raw materials
Biogas is produced mainly from (i) cow dung, (ii) sewage,
(iii) crop residues, (vi) vegetable wastes (v) water hyacinth
(vi) poultry droppings and (vii) pig manure.
Biogas is produced mainly from (i) cow dung, (ii) sewage,
(iii) crop residues, (vi) vegetable wastes (v) water hyacinth
(vi) poultry droppings and (vii) pig manure.