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  • Proceedings of the Sixth International C

    Proceedings of the V

    LCA, Tool for innovation in Latin America

    th International Conference on Life Cycle Assessment -

    Proceedings of the VI International Conference on Life Cycle

    Assessment - CILCA2015

    CILCA 2015, Lima, Perú

    July 13th -16th, 2015

    Tool for innovation in Latin America

    CILCA2015

    2

    International Conference on Life Cycle

    Tool for innovation in Latin America

  • Proceedings of the

    Alejandro Pablo Arena (Argentina)

    Alessandro Gilardino (Perú)

    Ana Quiros (Costa Rica)

    Armando Caldeira (Brasil)

    Bárbara Civit (Argentina)

    Beatriz Rivela (Ecuador)

    Carlos Naranjo (Colombia)

    Cassia Ugaya (Brasil)

    Claudia Peña (Chile)

    Alejandro Chacón (Chile)

    Alejandro Pablo Arena (Argentina)

    Alfredo Iriarte (Chile)

    Ana Quiros (Costa Rica)

    Armando Caldeira-Pires (Brasil)

    Bárbara Civit (Argentina)

    Beatriz Rivela (Ecuador)

    Carlos Naranjo (Colombia)

    Cassia Ugaya (Brasil)

    Claudia Peña (Chile)

    Edmundo Muñoz (Chile)

    Elena Rosa (Cuba)

    Enrico Benetto (Luxemburgo)

    Fausto Freire (Portugal)

    Francesc Castells (España)

    Gemma Cervantes (México)

    Gil Anderi (Brasil)

    Guido Sonnemann (Francia)

    Ian Vázquez (Perú)

    Proceedings of the Sixth International Conference on Life Cycle Assessment

    Organización General

    Isabel Quispe (chair)

    Alejandro Pablo Arena (co-chair)

    Comité Organizador

    Alejandro Pablo Arena (Argentina)

    Alessandro Gilardino (Perú)

    Ana Quiros (Costa Rica)

    Armando Caldeira (Brasil)

    rbara Civit (Argentina)

    Beatriz Rivela (Ecuador)

    (Colombia)

    Cassia Ugaya (Brasil)

    Elena Rosa (Cuba)

    Francesc Castells (España)

    Gil Anderi (Brasil)

    Ian Vázquez (Perú)

    Isabel Quispe (Perú)

    Jair Santillán (Perú)

    Joan Rieradevall (España)

    Sonia Valdivia (Suiza)

    Comité Científico

    Alejandro Chacón (Chile)

    Alejandro Pablo Arena (Argentina)

    Alfredo Iriarte (Chile)

    Ana Quiros (Costa Rica)

    Pires (Brasil)

    Bárbara Civit (Argentina)

    Beatriz Rivela (Ecuador)

    Carlos Naranjo (Colombia)

    a Ugaya (Brasil)

    Edmundo Muñoz (Chile)

    Enrico Benetto (Luxemburgo)

    Fausto Freire (Portugal)

    Francesc Castells (España)

    Gemma Cervantes (México)

    Guido Sonnemann (Francia)

    Isabel Quispe (Perú)

    Jairo Chacón (Colombia)

    Joan Rieradevall (España)

    Karin Bartl (Perú)

    Kevin Harding (Sudáfrica)

    Mark Goedkoop (Países Bajos)

    Martina Prox (Alemania)

    Nydia Suppen (México)

    Óscar Huerta (Chile)

    Óscar Ortiz (Colombia)

    Patricia Guereca (México)

    Patricia Martínez (Chile)

    Ramzy Kahhat (Perú)

    Rodrigo Navia (Chile)

    Sangwon Suh (EEUU)

    Sonia Valdivia (Suiza)

    Tito Morales (Colombia)

    Xavier Gabarrell (España)

    onference on Life Cycle Assessment - CILCA2015

    3

    Elena Rosa (Cuba)

    Francesc Castells (España)

    Gil Anderi (Brasil)

    Ian Vázquez (Perú)

    Isabel Quispe (Perú)

    Jair Santillán (Perú)

    Joan Rieradevall (España)

    Sonia Valdivia (Suiza)

    Quispe (Perú)

    Jairo Chacón (Colombia)

    Joan Rieradevall (España)

    Karin Bartl (Perú)

    Kevin Harding (Sudáfrica)

    Mark Goedkoop (Países Bajos)

    Martina Prox (Alemania)

    Nydia Suppen (México)

    Óscar Huerta (Chile)

    Óscar Ortiz (Colombia)

    Patricia Guereca (México)

    tricia Martínez (Chile)

    Ramzy Kahhat (Perú)

    Rodrigo Navia (Chile)

    Sangwon Suh (EEUU)

    Sonia Valdivia (Suiza)

    Tito Morales (Colombia)

    Xavier Gabarrell (España)

  • Proceedings of the

    © De esta edición:

    Pontificia Universidad Católica del Perú.

    Energías Renovables (INTE

    Av. Universitaria 1801, Lima 32, Perú

    Teléfono: (51-1) 626-2000 anexo 3060

    Correo electrónico: [email protected]

    Sitio web: http://inte.pucp.edu.pe/

    Todos los derechos de esteo total con fines académicos siempre que se mencione el origen.

    Primera edición: Julio de 2015 Diseño de Tapa: Percy Edgar López Zegarra

    Diseo de logo 10 años: Gabriela Barón

    Responsabilidades: El contenido y opiniones vertidas en los trabajos incluidos en este libro son responsabilidad de sus respectivos autores.

    Proceedings of the Sixth International Conference on Life Cycle Assessment

    Pontificia Universidad Católica del Perú. Instituto de Ciencias de la Naturaleza, Territorio

    Energías Renovables (INTE-PUCP)

    Av. Universitaria 1801, Lima 32, Perú

    2000 anexo 3060

    Correo electrónico: [email protected]

    Sitio web: http://inte.pucp.edu.pe/

    Todos los derechos de este volumen están reservados. Sólo está permitida la reproducción parcial cadémicos siempre que se mencione el origen.

    Primera edición: Julio de 2015

    Percy Edgar López Zegarra

    Diseo de logo 10 años: Gabriela Barón

    Editores

    Alejandro Pablo Arena

    Bárbara Civit

    El contenido y opiniones vertidas en los trabajos incluidos en este libro son responsabilidad de sus respectivos autores.

    onference on Life Cycle Assessment - CILCA2015

    4

    Instituto de Ciencias de la Naturaleza, Territorio y

    volumen están reservados. Sólo está permitida la reproducción parcial

    El contenido y opiniones vertidas en los trabajos incluidos en este libro

  • Proceedings of the

    Prólogo

    Una vez más CILCA, la Conferencia

    para compartir los avances metodológicos, los casos de estudio, las innovaciones y los análisis

    sectoriales que investigadores, tesistas y practicantes han desarrollado en distintas regiones del

    planeta.

    Impulsadas por la Red Iberoamericana de Ciclo de Vida, las CILCA se realizan cada dos años en

    distintos países de la región, y es esta vez la hermosa ciudad de Lima quien nos recibe para su

    Sexta Edición, invitados por la Red Peruana de Ciclo de

    de Perú, con el apoyo de la UNEP

    Desde la primera edición en Costa Rica en el 2005, la conferencia ha visitado Brasil, Chile,

    México, y Argentina antes de llegar a Perú para celebrar lo

    esfuerzos.

    CILCA 2015 está dirigido a investigadores, consultores y profesionales que trabajan en la

    sustentabilidad de procesos y productos, y que ven en el enfoque de ciclo de vida y las

    herramientas de análisis

    introduciendo mejoras ambientales continuas, pero también la identificación de eventuales ahorros

    en la producción y oportunidades de negocio.

    Adicionalmente a los cursos, sesiones técnicas

    plenarias y Mesas redondas, en esta VI versión se ha incorporado el aspecto cultural a través de

    talleres, considerando la importancia de conocer nuestras expresiones y reafirmando el derecho a

    la cultura, ya que ella nos une y enriquece mutuamente.

    Los trabajos reportados en estas actas resumen el pensamiento, la experiencia y el trabajo de largas

    horas que autores de distintas regiones comparten con nosotros. Servirán de guía para los sectores

    productivo y educativo, para los tomadores de decisión, las organizaciones y para los ciudadanos

    que luchan por alcanzar la sustentabilidad basados en el conocimiento científico más actualizado.

    Alejandro Pablo Arena

    Proceedings of the Sixth International Conference on Life Cycle Assessment

    Una vez más CILCA, la Conferencia Internacional sobre Análisis de Ciclo de Vida, nos ha reunido

    para compartir los avances metodológicos, los casos de estudio, las innovaciones y los análisis

    sectoriales que investigadores, tesistas y practicantes han desarrollado en distintas regiones del

    Impulsadas por la Red Iberoamericana de Ciclo de Vida, las CILCA se realizan cada dos años en

    distintos países de la región, y es esta vez la hermosa ciudad de Lima quien nos recibe para su

    Sexta Edición, invitados por la Red Peruana de Ciclo de Vida y la Pontificia Universidad Católica

    de Perú, con el apoyo de la UNEP-SETAC Life Cycle Initiative.

    Desde la primera edición en Costa Rica en el 2005, la conferencia ha visitado Brasil, Chile,

    México, y Argentina antes de llegar a Perú para celebrar los 10 años de experiencias, desarrollos, y

    CILCA 2015 está dirigido a investigadores, consultores y profesionales que trabajan en la

    sustentabilidad de procesos y productos, y que ven en el enfoque de ciclo de vida y las

    herramientas de análisis con las que se relaciona, una oportunidad de ir sistemáticamente

    introduciendo mejoras ambientales continuas, pero también la identificación de eventuales ahorros

    en la producción y oportunidades de negocio.

    Adicionalmente a los cursos, sesiones técnicas orales y de presentación de pósters, conferencias

    plenarias y Mesas redondas, en esta VI versión se ha incorporado el aspecto cultural a través de

    talleres, considerando la importancia de conocer nuestras expresiones y reafirmando el derecho a

    ltura, ya que ella nos une y enriquece mutuamente.

    Los trabajos reportados en estas actas resumen el pensamiento, la experiencia y el trabajo de largas

    horas que autores de distintas regiones comparten con nosotros. Servirán de guía para los sectores

    ctivo y educativo, para los tomadores de decisión, las organizaciones y para los ciudadanos

    que luchan por alcanzar la sustentabilidad basados en el conocimiento científico más actualizado.

    Alejandro Pablo Arena

    onference on Life Cycle Assessment - CILCA2015

    5

    Internacional sobre Análisis de Ciclo de Vida, nos ha reunido

    para compartir los avances metodológicos, los casos de estudio, las innovaciones y los análisis

    sectoriales que investigadores, tesistas y practicantes han desarrollado en distintas regiones del

    Impulsadas por la Red Iberoamericana de Ciclo de Vida, las CILCA se realizan cada dos años en

    distintos países de la región, y es esta vez la hermosa ciudad de Lima quien nos recibe para su

    Vida y la Pontificia Universidad Católica

    Desde la primera edición en Costa Rica en el 2005, la conferencia ha visitado Brasil, Chile,

    s 10 años de experiencias, desarrollos, y

    CILCA 2015 está dirigido a investigadores, consultores y profesionales que trabajan en la

    sustentabilidad de procesos y productos, y que ven en el enfoque de ciclo de vida y las

    con las que se relaciona, una oportunidad de ir sistemáticamente

    introduciendo mejoras ambientales continuas, pero también la identificación de eventuales ahorros

    orales y de presentación de pósters, conferencias

    plenarias y Mesas redondas, en esta VI versión se ha incorporado el aspecto cultural a través de

    talleres, considerando la importancia de conocer nuestras expresiones y reafirmando el derecho a

    Los trabajos reportados en estas actas resumen el pensamiento, la experiencia y el trabajo de largas

    horas que autores de distintas regiones comparten con nosotros. Servirán de guía para los sectores

    ctivo y educativo, para los tomadores de decisión, las organizaciones y para los ciudadanos

    que luchan por alcanzar la sustentabilidad basados en el conocimiento científico más actualizado.

    Isabel Quispe

  • Proceedings of the Sixth International Conference on Life Cycle Assessment -

    CILCA2015

    6

    CONTENTS

    FULL PAPERS ..................................................................................................... 13

    SECTION I - DEVELOPMENTS ON LCA METHODOLOGIES AND DATABASES ....................................................................................................... 14

    Towards a Mexican Life Cycle Inventory database: First phase, building sector. .................................................................................................................... 15

    Development of a method for adapting international LCI data for Brazilian building products ................................................................................... 21

    Analysis of Methods for Impact Categories of Biotic Resources in Life Cycle Assessment ................................................................................................. 27

    Development of a simplified LCA calculator tool for the Chilean LCI database ................................................................................................................. 33

    Life Cycle Inventory of carbon emissions generated by the housing sector in Mexico in the period 2000 – 2012, using the Input – Output Method .................................................................................................................. 38

    Building a consensus model for assessing impacts of water use in LCA – First results of the UNEP/SETAC Life Cycle Initiative working group .............. 47

    SECTION II - LCA IN AGRIFOOD CHAINS .................................................... 51

    Life Cycle Analysis of the production of origin coffee at Las Delicias indigenous reservation, north of Cauca. Preliminary results ................................ 52

    Life Cycle Assessment of agricultural products at a cultivation site in Ica (Peru) ..................................................................................................................... 58

    Environmental study of the sugarcane Value Chain in the province of Tucumán (Argentina) considering different technology levels ............................ 66

    Engaging farmers in agricultural LCA studies...................................................... 72

    Organic vs. conventional citrus. Impact assessment and variability analysis .................................................................................................................. 80

    Environmental Impact Assessment of Semi-Intensive Beef Cattle ...................... 88

    Preliminary environmental study of the citrus industry or Tucuman (Argentina) based on the Life Cycle Assessment ................................................. 92

    Life Cycle Assessment of the productive chain of Red Tilapia (Oreochromis spp.): An alternative for an environmentally sustainable process ................................................................................................................... 98

    Comparison of environmental impacts in the production chain of organic and conventional coffee ...................................................................................... 103

  • Proceedings of the Sixth International Conference on Life Cycle Assessment -

    CILCA2015

    7

    Life Cycle Assessment (LCA) of poplar plantations: global warming potential and energy consumption in the US PNW ............................................ 109

    SECTION III - LCA CASE STUDIES ON OTHER CONSUMPTION CLUSTERS ......................................................................................................... 114

    An evaluation of the environmental performance of reused vinasse as fertilizer for sugarcane crops in Brazil ................................................................ 115

    Life Cycle Assessment of wood packaging used in the automotive industry ................................................................................................................ 121

    SECTION IV - LCA COMMUNICATIONS AND STEWARDSHIP SCHEMES .......................................................................................................... 126

    The influence of Eco-labels over purchasing decisions and consumer perception, in the Chilean market ....................................................................... 127

    Measuring a product’s resource efficiency – a case study of smartphones ........ 133

    The implementation of a certification scheme for the Peruvian seafood sector based on life-cycle approaches ................................................................. 137

    Sustainable Recycling Industries (SRI) in Developing Countries – State of the art of recycling metal standards ................................................................ 146

    SECTION V - LCA IN THE BUILDING SECTOR .......................................... 152

    SIP panel an option to build sustainable housing in Mexico .............................. 153

    Life cycle energy and costs of sprawling and compact neighborhoods .............. 157

    Life Cycle Assessment of a hydrodynamic roof cooling system with energy recovery ................................................................................................... 163

    Potential greenhouse emissions avoided with the use of local materials for housing construction in Colombia ................................................................. 169

    Environmental impacts over the Life Cycle of a residential building in Lima-Peru ............................................................................................................ 174

    Environmental Impact Trade-offs in Building- Envelope Retrofit Strategies ............................................................................................................. 181

    SECTION VI - LCA OF BIOFUELS, RENEWABLE AND CONVENTIONAL ENERGY CARRIERS ....................................................... 186

    Environmental assessment of the production and use of fuel bioethanol from Eucalyptus globulus as a gasoline replacement in Chile ............................ 187

    Life Cycle Inventory and Impact Assessment of Pinus radiata torrefaction and cofiring in Chile............................................................................................ 194

    Biodiesel Generation from a Mixture of Different Edible Waste Vegetable Oils ..................................................................................................... 201

  • Proceedings of the Sixth International Conference on Life Cycle Assessment -

    CILCA2015

    8

    Environmental and economic assessment of the optimized biodiesel production in Spain from domestic raw materials .............................................. 206

    Electrochemical Reduction of Carbon Dioxide to Formate: A Global Warming Footprint Analysis ............................................................................... 213

    Environmental performance analysis of cogeneration of electricity from successive additions of biomass in autonomous distillery .................................. 218

    Life Cycle Assessment of soybean-sunflower production system in the Brazilian Cerrado ................................................................................................ 224

    Comparison of different gasoline-sugarcane-based Ethanol blends using a Life Cycle Assessment approach ........................................................................ 231

    Life-Cycle Assessment of biodiesel produced with palm oil from Colombia ............................................................................................................. 237

    Life-Cycle GHG emissions factors from production and use of fossil-fuels in Mexico .................................................................................................... 243

    Environmental Life-Cycle Assessment of soybean biodiesel in Portugal: import grain, oil or biodiesel from Brazil? ......................................................... 250

    Life cycle assessment of the electricity network in Ecuador .............................. 256

    SECTION VII - LCM APPROACHES .............................................................. 263

    Introducing the Guidance on Organizational LCA by the UNEP/SETAC Life Cycle Initiative ............................................................................................ 264

    Strategic sustainable design of Brazilian mobility on tourism oriented by LCA ..................................................................................................................... 270

    Social Life Cycle Assessment of brazilian Ethanol production systems using LCA and Input-Output Analysis: Workers as stakeholders ...................... 275

    Proposals for improvements in social Life Cycle Assessment ........................... 281

    Life cycle approaches in Latin American organizations – an approach to identify frontrunners............................................................................................ 287

    LCA Trends in Latin America ............................................................................ 292

    SECTION VIII - EDUCATION AND CAPABILITY DEVELOPMENT ........ 298

    Inclusion of Life Cycle Thinking in undergraduate education in Argentina. Experience of the subject matter 'Sustainability of the supply chain and life cycle of products, processes and services'. ................................... 299

    Life Cycle Approaches for regional development – a journey towards sustainability ....................................................................................................... 305

    SECTION IX - FOOTPRINTING CASES AND TOOLS ................................. 310

    Carbon footprint of Argentine peanut ................................................................. 311

  • Proceedings of the Sixth International Conference on Life Cycle Assessment -

    CILCA2015

    9

    WAVE+ – Temporally explicit atmospheric evaporation recycling and water scarcity calculations allowing for water footprinting in agriculture ......... 319

    Yupi, a regional Footprintcalculator ................................................................... 323

    SuizAgua Andina: Assessing Water Footprint in Peruvian companies .............. 331

    Carbon and water footprints of the Ecuadorian banana production. ................... 338

    Carbon footprint of Chilean export Blueberry .................................................... 344

    SECTION X - SUSTAINABILITY POLICIES, GREEN ECONOMY, INDUSTRIAL ECOLOGY ................................................................................. 349

    Integrated geopolitical related criticality assessment as part of Life Cycle Sustainability Assessments – First experiences .................................................. 350

    Towards the design of “Smart Parks”: development of industrial ecology tools for industrial and service parks in Brazil and Spain ................................... 356

    Climate Change-centrism and energy policy: a case study for Peru and Spain .................................................................................................................... 361

    Building networks and capacity for mainstreaming Life Cycle Thinking: A case study from India ...................................................................................... 368

    SECTION XI - WASTEWATER AND SOLID WASTE MANAGEMENT AND RECICLYNG .............................................................. 374

    Environmental Benchmarking of 113 Spanish WWTPs using the LCA+DEA method ............................................................................................. 375

    Life Cycle Assessment of domestic wastewater treatment systems ................... 381

    Environmental assessment and energy performance of biomass utilization from urban and rural pruning waste .................................................................... 389

    Improvement proposal in the Urban Solid Waste Management system in a district in northern Lima, using Operation Research tools ............................... 398

    Alternative valorization in waste management systems using Life Cycle Assessment (LCA) - (Study case of post-consumer PET bottles) ...................... 406

    POSTERS ............................................................................................................ 413

    SECTION I P - DEVELOPMENTS ON LCS METHODOLOGIES AND DATABASES ..................................................................................................... 414

    Exergy analysis as an additional perspective in material and energy flow models ................................................................................................................. 415

    Constructing a National LCADatabase for Colombia –organization and roadmap ............................................................................................................... 416

    Quality analysis of agricultural datasets for forest biomass................................ 417

  • Proceedings of the Sixth International Conference on Life Cycle Assessment -

    CILCA2015

    10

    Environmental performance analysis of products using different versions of ecoinvent: case study for relevant products to Brazil ..................................... 418

    SECTION II P - LCA IN AGRIFOOD CHAINS ............................................... 419

    Life Cycle Inventory of egg production in Bahía, Brazil .................................... 420

    Emissions of methane and nitrogen oxides in livestock semi-intensive systems ................................................................................................................ 421

    Life Cycle Analisys for pinapple fiber in Colombia ........................................... 422

    Environmental impacts of production of Pisco Itala at the central coast of Perú ..................................................................................................................... 423

    Impact Assessment of milking process in a midsize dairy farming in Bahía, Brazil ........................................................................................................ 424

    SECTION III P - LCA COMMUNICATIONS AND STEWARDSHIP SCHEMES .......................................................................................................... 425

    Current situation, opportunities and challenges of eco-labelling strategies in Peru ................................................................................................................. 426

    Implementation of Life Cycle Assessment network: the importance of interinstitutional partnerships in Bahia, Brazil.................................................... 427

    SECTION IV P - LCA IN THE BUILDING SECTOR ..................................... 428

    LCA of Phase Change Materials application to heat hydroponc crops’ root zone in substitution of a conventional root zone heating system ................ 429

    Assessment of environmental impacts of a commercial concrete block in Chile .................................................................................................................... 430

    Embodied energy and carbon footprint assessment of compressed earth block and earthbag system using LCA ............................................................... 431

    Environmental assessment of Calcium carbonate addition as a flux for burning clay bricks .............................................................................................. 432

    The influence of acoustic and thermal requirements in the functional unit of external walls LCA for bulding sector ............................................................ 433

    LCA applied to the revalorization of agricultural and industrial residues for green construction ......................................................................................... 434

    SECTION V P - LCA OF BIOFUELS, RENEWABLE AND CONVENTIONAL ENERGY CARRIERS ....................................................... 435

    LCA of Jatropha curcas L. production for biodiesel in the Southwestern Dominican Republic............................................................................................ 436

    Life Cycle Inventory for energy system in Rio de Janeiro ................................. 437

  • Proceedings of the Sixth International Conference on Life Cycle Assessment -

    CILCA2015

    11

    Multi-objective optimizacion of the sugarcane-based bioethanol supply chain using the analytic hierarchy process .......................................................... 438

    LCA applied to the revalorization of agricultural wastes focused on renewable energies .............................................................................................. 439

    SECTION VI P - LCA CASE STUDIES ON OTHER CONSUMPTION CLUSTERS ......................................................................................................... 440

    LCA and LCC integration for supporting decisions in the design and construction of sewer networks in future smart cities ......................................... 441

    Comparison of HDPE and ductile iron pipes for drinking water supply networks though eco-efficiency assessment ....................................................... 442

    Life Cycle Inventory of a small-scale WWTP for construction and operation phases .................................................................................................. 443

    The environmental consecuences of changing a business strategy assessing the impact of offshorIng on the carbon footprint of a seafood product................................................................................................................. 444

    Life Cycle Assessment of low carbon binder based on the valorization of industrial wastes .................................................................................................. 445

    Study of the impact category of land use ............................................................ 446

    SECTION VII P - LCM APPROACHES ........................................................... 447

    Evaluation of sustainability aspects in the life cycle of social housing in Colombia ............................................................................................................. 448

    SECTION VIII P - FOOTPRINTING CASES AND TOOLS ........................... 449

    Carbon Footprint by artificial conditioning, Tamazunchale, San Luis Potosi, Mexico .................................................................................................... 450

    Carbon Footprint of handmade tortilla´s manufacture in Pátzcuaro Basin, Michocán, Mexico............................................................................................... 451

    Footprints of Patsari stove against open fire: from cradle to gate and use models ................................................................................................................. 452

    Carbon Footprint of non-conventional binders ................................................... 453

    Source of systematic uncertainty in corporate Carbon Footprint of universities .......................................................................................................... 454

    SECTION IX P - WASTEWATER AND SOLID WASTE MANAGEMENT AND RECYCLING .............................................................. 455

    Application of Life Cycle Assessment in the treatment of effluent plants from industrial laundries ..................................................................................... 456

    The cost of urban rainwater harvesting in the Sonoran Desert ........................... 457

  • Proceedings of the Sixth International Conference on Life Cycle Assessment -

    CILCA2015

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  • Proceedings of the

    Proceedings of the Sixth International Conference on Life Cycle Assessment

    FULL PAPERS

    onference on Life Cycle Assessment - CILCA2015

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  • 153

    SIP panel an option to build sustainable housing in

    Mexico Dr. Gerardi J, Artista Gonzales1, Mtri. Jorge Aguillon Robles1, Andrea Cesar

    Barba2 1Lider del Cuerpo Académico Hábitat Sustentable, Facultad del hábitat, UASLP 2Tesista carrera de Arquitectura, Facultad del Hábitat, UASLP, Niño Artillero

    No. 150, CP. 78290, San Luis Potosí, México.

    [email protected], [email protected], [email protected]

    Abstract

    The research´s, main purpose is to assess the environmental impacts of the use of the Structural

    Insulated Panel (SIP) as an alternate construction system. Please, check this phrase, too much

    complex The system is based on prefabricated panels, with an outside sheet of fiber cement and

    polystyrene inside in a way of sandwich, wich are used both to build insulated walls and slabs

    mezzanine and roof which makes it very attractive for mass housing construction material.

    Another research interest is related to the fact determine the most appropriate location of the

    current production facility considering the distribution of nationwide panel with lower

    environmental burden, since in its current location in Puerto Escondido, Oaxaca, environmental

    impacts by the use of ground transportation to potential distribution centers and consumption are

    quite high.

    Keywords: insulated panels, prefabricated buildings, sustainable housing.

    Introduction

    The SIP system was created in 1937 by architect Frank Loyd second Wright in the US and is used

    in over 17 countries. It initially consisted of exterior wood sheet, then replaceted for fiber cement,

    which we call "Panels Duratherm". They are manufactured with two flat fiber cement adhered to

    both sides of expanded polystyrene "EPS" high density together these mechanically structured

    treated, horizontal and vertical wooden elements coated basecoat on cement sheeting panels.

    The cement is based on the principles of reinforced concrete. Instead of steel, fibers are used as the

    cement hardening element, while the gravel and sands provide compression capability. The

    curing process requires certain reactions of two key elements: cement and silica sand; but there is

    another technology, which refers to the natural curing or the environment in which the cement is

    playing the lead role.

    At that level we could say that the portion of the fibers is between 3 and 8.5% of the total

    composition. There is such variation due to the qualities of each fiber, as is not the same use

  • 154

    mineral chrysotile fibers extracted from the mines, the cellulose or synthetic as polyacrylonitrile,

    polyvinyl alcohol or polypropylene, which typically provide between 2 and 3.5% of the total

    weight of the matrix are formulated.

    Expanded polystyrene (EPS) is a material used in construction, especially for thermic and acoustic

    insulation and in a number of diverse applications. Check the english It is technically defined as

    "rigid cellular plastic material made from the molding of pre-expanded expandable polystyrene

    beads or one of its co-polymers, having a closed cellular structure and air-filled".

    Using SIPS has different advantages. Its construction speed (of what?) represents a significant

    saving of time, wich means a quick recover of investment, and also, energy savings for the end

    user, since it is thermally insulated with a thermal envelope r = 32. This not only means money

    saving and less energy consumption, but it also increases the quality of life for users, mainly in

    places with extreme temperatures.

    Methodology The research was conducted with LCA methodology (ISO 14040) using the damage oriented

    method Ecoindicador 99 (H) of the SIMA.Pro 7.2 software and the database ecoinvent 2.0 (2007)

    Purpose and scope.

    Identify and evaluate the environmental impacts during the production of SIP panel with focus on

    damage caused by categories of climate change, ecotoxicity and consumption of fossil fuels and

    the interpretation of results. The scope of the study covers from the extraction of raw materials and

    the impacts generated during production of the panel to the selection of the probable location of

    the plant and the means of transport with lower impacts on different distribution centers in

    Mexico.

    Functional unit.

    1 SIP panel whose function is to separate spaces, either vertically (walls) or horizontal (floor slabs

    or cover).

    Flow of reference.

    1 SIP panel 3 M2 (1.22. X 2.44 Mts., Or 4 'x 8') consists of two fiber cement sheets attached to a

    plate EPS 3 "1/4,

    Limits of system.

    LCA analysis of SIP Panel comprises from extraction of raw materials for the production of basic

    elements of the panel in various probable locations of the production plant to distribution of SIP

    panel to different distribution centers in Mexico.

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    Results

    Figures 1 and 2. Comparative adhesive 0.825 Kg ", 1kg fiber cemen t plate 1Kg plate T and EPS; Method: Eco-indicator

    99 (H) v2.07 / Europe EI 99 h / h / Single Score and Characterization.

    Figures 3 and 4 show the environmental impact of the three main components of SIP panel. The

    main contribution comes from the fiber cement, followed by EPS and finally the adhesive.

    Figures 3 and 4. Comparative Impact between SIP´s production process and SIP´sdistribution process, plus raw

    materials, energy and emissions considered in SIP´s production. . Method: Eco-indicator 99 (H) v2.07 / Single Score.

    Diagram life cycle

    Balance between the impacts generated by a plate of SIP panel during its manufacturing process

    and the same plate with cumulative impacts in transporting the product to distribution centers.

    Figures 5 and 6. Correlation between 1 pc. SIP Panel A, 1 pc. SIP Panel B, and 1 pc. SIP Panel

    Method: Eco-indicator 99 (H) v2.07 / Europe EI 99 h / h / Single Score and Characterization

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    A comparisons among three SIP panels made in three probable locations of the plant and the

    impacts generated by various types of transport from these sites to different distribution centers are

    shown in the following Figures.

    Figures 7 and 8. CO2 emissions from plant SIP panels in different locations and transportation.

    Method IPCC 2007 GWP 100/Characterization. Method: Eco-Indicator 99 (H) v2.07 Single Score.

    Comparison of CO2 generated during the manufacture of panels in three probable locations of SIP

    panel manufacturing plant and transport panel to distribution centers located in major cities in

    Mexico.

    Discussion

    The first comparison between SIP’s components shows that fiber cement is the greater impact,

    since it´s a 93% of SIP´s weight. And….?. The second, states that the burning of fossil fuels for

    transport is the main source of damage. In turn, the third comparison indicates that minor impacts

    are generated in located in the center of the country including distribution to three major cities

    nationwide plant. Finally the fourth, confirms that even varying types of transport the course of the

    panel manufactured in central Mexico has the best results.

    Conclusions

    The results show that the transport of raw materials and finished products generates the greatest

    environmental impacts and the distance between center of production and distribution is directly

    proportional to the separate impacts of transport.

    References

    [1] Cadis, Center for Life Cycle Assessment and Sustainable Design (2013) Course Introduction to LCA Methodology Mexico.

    PROCEEDINGS CILCA 2015 GJAG