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PASO DEL NORTE
ASOCIACION PARA INVESTIGACION EN
TECNOLOGIAS APROPIADAS.
ENVIRONMENTAL
RESEARCH
TECHNOLOGY
ENGINEERING
Paso del Norte
IBASA
www.tratamientodeaguas.org.mx
Paying Waste:
Sewage Contains More Usable Energy
Than Scientists Thought
BY MIKE ORCUTT SCIENTIFIC AMERICAN 1 /11/2011
A new study finds a previous estimate of wastewater's potential as
a renewable energy source "a substantial underestimation"
www.tratamientodeaguas.org.mx
.
.
During anaerobic digestion of
organic matter
Through RAHFA's, the organic matter is degraded
anaerobically
• 90% is converted into biogas (Combination of
different gases, resulting from the metabolism
of different communities of anaerobic bacteria
that degrade organic matter)
• 10% mineralized sludge
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Diagram of the processPRETREATMENT
Entrance wastewater to the plant:
• Pretreatment removes all materials that can be easily collected,
like trash, tree limbs, leaves, branches, and other large objects.
Water Inlet
Lock Gate Sand Chamber
Bar Screen
IBASAPaso del Norte
Entrance wastewater to the plant
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Receiving Wastewater
• Reception: Sump Tank
a) Wastewater Collection to be pumped to tank distributor
b) It is the only point that requires electricity consumption
throughout the plant
Sump TankSand Chamber
Distribution Of Wastewater
• Tank Distributor
• a) Receiving Wastewater to be distributed by gravity to
Hybrid Anaerobic Upflow Reactor (RAHFA's)
Tank Distributor
RAHFASudge Tank
From the distributor tank, the water
is transported to the reactor
Water Inlet Pipe biogas capture
Water Outlet
Sludge Tank
Injectors
IBASA
Paso del Norte
Water Inlet In Hybrid Anaerobic Upflow
Reactor (RAHFA)
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Mineralized Sludge Tank
• Sludge Tank
- Receiving mineralized anaerobic sludge
Once sludge is separated from the lixiviates, sludge is completely dried and is ready to be used as a fertilizer.
- Lixiviates Tank
Receiving lixiviates from the sludge tank. The Lixiviates are drained by gravity to the sand chamber to mix with wastewater.
Product used: Fertilize
Mineralized Anaerobic SludgeIBASAPaso del Norte
The sludge produced in the reactor are disposed in the tank
sludge drying for further handling.
Tank Sludge Drying
Reactor sludge outlet
Lixiviates TankLixiviates Filter
Slotted pipe
ValveSludge
IBASAPaso del Norte
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Bell Biogas Storage
Metal frame with water seal to store biogas
Biogas Composition:
• 55-70% Methane
• 30-40% Carbon Dioxide
• 1-3% Hydrogen
• 1-5% other gases including hydrogen sulfide (H2S)
Bell Biogas Storage
Methane is a fuel with a heat content 38.3MJ / m3
(36273.4 BTU / m3)
Can be used to produce
• Heat
• Energy
• Lighting
• Mechanical power
Biogas Applications
Product used: Energy
POLISHINGAs a complementary treatment, an artificial wetland (swamp) with
local plants or a biofilters may be built, this reinforces the removal
of nutrients from the water such as phosphorus and nitrogen.
INLET TO THE SWAMP
OUTLET
Artificial Wetland:
• Channels Structure planted abundantly with local plants
• Removal of nitrates and phosphates
• Integrates the landscape as part of green areas of the home, hotel or
development
• Treated water can be used in fish farming projects
Artificial Wetland
Sand Filter
A structure with sand pebbles of diferent size.
Flowmeter outlet of treated water.
RAHFA’s Water Outlet
Artificial Wetland
Sand Filter
Treated Water Outlet
Compliance with Official Standards, it is usable in:
1. Agriculture
2. Nurseries
3. Green Areas
4. Car wash and facilities
5. Construction
6. Fish Farm
Product used Treated Water
Butchary Cd. Del Carmen, Campeche
SOME OF OUR EXPERIENCES
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BEFORE
TREATMENT
A
F
T
E
R
Gobernadores Residential Development, Comalcalco,
Tabasco, México. 8,000 Population, 1,500 m2
Cuautla, Morelos Planta Centenario
Sand Chamber
Reception tank
RAHFA
Sludge Tank
Planta Buenavista, Morelos
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H
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PLANTS FOR
The certification process was covered in the voluntary audit program that
promotes PROFEPA (Federal Environmental Protection Agency) and was
made by the company Habitat Environment Group S.A. of C.V.
CERTIFICATION
FOR MORE INFORMATION:
Ing. Ricardo Castillo Ochoa
Office : + 52(656) 289 1616
Movil: + 52(656) 192 4755
Cd. Juárez, Chih. Mex
• www.tratamientodeaguas.org.mx
[email protected] del Norte
IBASA
Distribuidor Autorizado
