Anaerobic digestion of biowaste An ecosanitation solution ...

Anaerobic Digestion of Biowaste

An Ecosanitation Solution for Developing

Countries

Reginald TOUSSAINT

July 10 2012

Some Challenges¡­.

? Up to 90% of rural households rely on biomass fuels

? Wood

? Charcoal

? Animal dung

? Crop residues

? Consequences

?

?

?

?

?

Indoor air pollution

Chronic health problems

Deforestation

Soil quality depletion

Natural disaster

Increasing cleanliness, convenience and cost fuel

Electricity

LPG, natural gas

Kerosene, coal

Charcoal

Wood

Animal Dung, crop residues

Improving socio-economic conditions

Energy Policy 39(2011) : 7505-7517

Energy consumption pattern

Haiti

World

Hydro

2%

Nuclear

6%

Combustible

renewable

and waste

10%

1%

Other

1%

19%

Gaz

21%

Coal

27%

2%

6%

4%

Oil

33%

(IEA, 2010)

2%

55%

11%

Firewood

Bagasse

Petrol

Diesel

Charcoal

LPG

Kerosene

Fuel Oil

Water and sanitation

? More than 1.1 billion people lack access to improved

drinking water

? 2.6 billion live without improved sanitation services

? 80% of all illnesses are caused by water-borne diseases

? Diarrhoea the leading cause of childhood death (WHO,

2010)

? Developing countries are mostly affected

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