Biogas Project
Cow Biogas Plant 
The average cooking requirement per family per day is estimated to be 5 hours in rural households In Bangladesh. Each household needs about 3 tons of biogass per year for cooking purposes. Assuming that 55 percent of households use biogass for cooking, about 40 million tons of biomass fuel will be required every year for cooking alone. Supply of such large quantity of biogass is one of the causes our forest destruction. Biogass smoke emits during cooking is also a cause of indoor air pollution affecting the public health, particularly the poor and vulnerable women and children. Use of agriculture residues and animal waste for cooking purposes rather than for its use as an organic fertilizer has adverse effect on maintaining the soil fertility, thereby reducing crop production and productivity of land. Biogas needs only cattle dung/ poultry droppings and water, which is commonly available in the rural households. The materials used for the construction of biogas plant are bricks, sands, aggregates, cement and pipes, which are locally available. Operation and maintenance is not difficult at all. Any person with one day training can operate and maintain the plant easily. The slurry is a residual product of biogas, can be used as good organic fertilizer, which maintain the soil fertility and increase crop production.
AVA has initiated the Biogas program in 2013 as a Partner Organization of IDCOL in order to prevent further environmental and agricultural deterioration. The program is now being implemented in Rajshahi, Mymonshing, Dinajpur,Foridpur District. For sustainable and clean source of energy in Bangladesh, it is essential to promote biogas.
Objectives of project:
To bring about the behavioral change of cooking habit of the rural people through use of agriculture residues and animal waste in biogas plant;
To reduce health risk of the rural women and children from indoor air pollution through adapting biogas plant;
To enrich agricultural soil fertility by using biogas plant wastages;
To reduce greenhouse gas effects by reducing CO2 emission in the air;
To prevent further environmental and agricultural deterioration; and
To accelerate the dissemination of domestic biogas plants across the country.