View
215
Download
0
Category
Preview:
Citation preview
www.eisenmann.com© Eisenmann
11/1/16 / Eisenmann business presentation 2.0.1
TREATMENT OF WASH WATER FROM COPPER SMELTERS:RECOVERY OF COPPER AND ACID, MINIMIZING SLUDGE AND CHEMICALS
Paul Nador, Jochen Schumacher, Angela Ante
TRATAMIENTO DE EFFLUENTES PROVENIENTES DE LA LIMPIEZA DE GASES EN PLANTAS DE ACIDO SULFURICO DE FUNDICIONES DE COBRE:
RECUPERACIÓN DE COBRE Y ACIDO SULFURICO, MINIMIZANDO LOS DEPOSITOS SOLIDOS Y LA CONSOMACION DE CHIMICOS
2
Empresa EISENMANN
§ Very solid financial situation§ Sustainable and successful business strategy§ Growing share of employees in the emerging markets – focus on growing markets and expansion of the global
added value chain
2013* 2014** 2015**
Turnover (in million €) 774.9 763.4 907.2
Order Intake (in million €) 791.0 836.0 1.020.0
EBT (in million €) 21.1 28.6 34.5
Equity (in million €) 204.9 201.7 205.5
Equity ratio (in %) 37.1 35.7 34.8* accounted under German commercial code (HGB), ** accounted under IFRS
Financial Key Figures Eisenmann Group
3
Locations
Paris
São Paulo
Fuzhou
Kunshan
Shanghai
CruzeiroChennai
DelhiThane
Country with Eisenmann location
Country with Eisenmann sales representatives
Changchun
Pune
Moscow
Saronno
GöttingenBöblingen
HolzgerlingenErftstadt (intec)Stafford
BarcelonaMinneapolis
Puebla
Crystal Lake
Togliatti
4
Application, robotics, paint supply
Classic customer service, plant modernization and optimization, customized solutions, full service, BOT models
Service portfolio
Paint shops for metal components for automotive OEMs and suppliers, systems for coating aluminium wheels, paint shops for metal components in general manufacturing, painting systems for components made of plastic or advanced materials
GENERAL FINISHING
Heat treatment plants from automotive lightweight materials, production of carbon fibers, high-temperature plants for high-performance ceramics, enameling systems as well as pretreatment & coating systems
THERMAL SOLUTIONS
Complete solutions for intralogistics, electrified monorail systems, RGV conveying systems, LogiMover
CONVEYOR SYSTEMS
SERVICE
Surface finishing, end assembly lines, conveyor system for shell constructionAUTOMOTIVE SYSTEMS
Exhaust air purification, waste water treatment, waste disposal and recycling, munition disposal, biogas plants, energy from biomass
ENVIRONMENTAL TECHNOLOGY
APPLICATION & ROBOTICS
5
Treatment of toxic and persistent organic compounds, cyanide, phosphonic acids, arsenate
Eisenmann Environmental Technology – Overview
EXHAUST AIR PURIFICATION
All exhaust air purification processes from one source
WATER TREATMENT & WASTE WATER TREATMENT
Waste water treatment and process water treatment; the correct process
for every single application
WET CHEMICAL OXIDATION
Turn-key systems for the disposal of conventional and chemical combat
agents
WASTE DISPOSAL & RECYCLING
All processes for the thermal disposal of waste material and
recycling
Production of electricity, purified biogas and heat from organic waste
material
BIOLOGICAL TREATMENTMUNITION DISPOSAL
7
Weak Acid Treatment in Copper Smelters
Washing Catalyst(SO2 → SO3)
Absorption Sulphuric Acid96-98 %
Weak Acid 5 – 45 %
Acid Content
Effluent All Soluble Substances, SO3, Volatile Heavy Metals, Cu, As
Process Gas from Smelter
SO2, SO3, Volatile Heavy Metals, Cu, As
Gas Phase SO2
Gas Phase SO3
Tratamiento de Acidos Débiles de Plantas de Acido Sulfurico en Fundiciones de Cobre.
8
Weak Acid Treatment in Copper Smelters
H2SO4 Concentration: 5-45 %
Cu-Concentration: 0.3-10 g/L
As-Concentration: 1-18 g/L
Other Heavy Metals: Fe, Zn, Cd, Mo, Pb
Tratamiento de Acidos Débiles de Plantas de Acido Sulfurico en Fundiciones de Cobre.
10
Fate of Wash Water Ingredients during Hydroxide Precipitation
H2SO4 Concentration: 5-45 % Gypsum - Yeso
Cu-Concentration: 0.3-10 g/L Cu(OH)2
As-Concentration: 1-18 g/L Fe(AsO3)
Other Heavy Metals: Fe, Zn, Cd, Mo, Pb M(OH)x
Destino de los Sustancias Mientras Precipitación Hydroxido
Producto de la precipitación hydroxido: Yeso contaminado de arsénico y metales
13
Weak Acid Treatment in Copper Smelters
H2SO4 Concentration: 5-45 %Recycable Fraction Value: 20-50 US$/t
Cu-Concentration: 0.3-10 g/L Recycable Fraction Value: 500-2.000 US$/t
As-Concentration: 1-18 g/LWaste Fraction Disposal Cost: 10 -280 US$/t
Other Heavy Metals: Fe, Zn, Cd, Mo, PbRecycable Fraction/ Waste Disposal Cost: 10-280 US$/t
14
Sulphide precipitation – Recovery of Acid and Copper
Copper recycling
Cu-Content : 90-100 % of Load
As-Content : 0-10 % of Load
Output :Cu-Content : ≈ 40 % DS
Note: Cu in Cu-Ore : 1,5 – 3 % (or less)
15
Sulphide precipitation – Recovery of Acid and Copper
Precipitación Sulfurado – Recuperación de Acido Sulfurico y Cobre
17
Comparision of operation costs:
Reduction of sludge volumeHydroxide precipitation 20,000 tons/aSulfide precipitation 1,100 tons/aDifference 18,900 Tons/a
Annual savings for disposal (150 USD/t) 2.84 Mio USD
Reduction of costs for chemicalsHydroxide precipitation 5,000 tons/a Ca(OH)2 @ 200 USD/tSulfide precipitation 260 tons/a NaSH @ 800 USD/t
Annual savings for chemicals 0.79 Mio USD
Debit: 4 ton/h, 20% Acido, 2 g/L cobre
18
Comparision of operation costs:
Recovery of Copper Copper (100%) 165 tons/a
Annual savings (1500 USD/t) 0.25 Mio USD
Recovery of Acid Sulfuric Acid 33,600 tons/a
Annual savings (20 USD/t) 0.67 Mio USD
Total Annual Savings: 4.55 Mio. USD
Debit: 4 ton/h, 20% Acido, 2 g/L cobre
19
• Reduction of sludge and chemicals of more than 90 %
Reducción de lodos y de consomación de chimicos de más de 90 %.
• Recovery of sulfuric acid for leaching applications
Recuperación de acido sulfurico por procesos de lixiviación.
• Polishing of sulfuric acid by nanofiltration
Limpieza de acido sulfurico implatando filtración nano
• Recovery of copper
Recuperación de cobre
Precipitación Sulforado – Recuperación de Acido Sulfurico y Cobre
20
• High flexibility: System consists out of different bricks:
Alta flexibilidad: Systema consista de modulos distintos:
1. Sulfide precipitation – precipitación sulfurido
2. Acid polishing step – limpieza de acido sulfurico
3. Copper recycling step – recuperación de cobre
4. Copper polishing step by pretreatment – alejamiento de polvos
Precipitación Sulforado – Recuperación de Acido Sulfurico y Cobre
Recommended