Experimental procedures
SETUP 1: This was done to demonstrate the production of
biogas by the anaerobic fermentation of weeds and domestic waste.
Procedure: 30 g of poultry droppings, 30 g of weeds, and
30 g of orange peelings and groundnut shell were weighed
on the plastic container of capacity 1250 cm
3
. 950 cm
3
of
tap water was added to the content of the container. It
was then stirred after which the content was allowed to
stand for a day. The digester was then sealed and the entire
setup arranged.
SETUP 2: This was done to determine the ration of poultry
droppings to weeds, and poultry droppings to orange peelings and groundnut shell which will be required for optimum gas production.
Procedure:
SETUP 2A: 25% poultry dropping: 75% weeds.
10 g of poultry dropping and 30 g of weeds were weighed
into the plastic container of 500 cm
3
capacity. 400 cm
3
of
water was added and the content of the container was then
stirred after which the setup was arranged.
SETUP 2B: 50% poultry dropping: 50% weeds.
20 g of poultry dropping and 20 g of weed was weighed into
the plastic container of 500 cm
3
capacity. 400 cm
3
of water
was added and the content of the container was then stirred
after which the setup was arranged.
SETUP 2C: 75% poultry dropping: 25% weeds.
30 g of poultry dropping and 10 g of weed was weighed into
the plastic container of 500 cm
3
capacity. 400 cm
3
of water
was added and the content of the container was then stirred
after which the setup was arranged.
SETUP 2D: 25% poultry dropping: 75% groundnut shell.
10 g of poultry dropping and 30 g of groundnut shell was
weighed into the plastic container of 500 cm
3
capacity.
After which 400 cm
3
of water was added before it was
stirred.
SETUP 2E: 25% poultry dropping: 75% groundnut shell.
10 g of poultry dropping and 30 g of groundnut shell was