Porto type BIO GAS plant this is our semester
project me and and four friends make this we are from hamdard university in department of engineering and technology we use a water drum we hole for the wastage enternce path from the pipe as u see in image and second hole for outlet of the used wastage we make another small hole for the collection of gas.
first figure shows the hole for outlet path outside wall of the drum for outlet of used wastage third one is image of inside the drum.
we collect the wastage of cows mix the water as much as amount of wastage mix it and add sugar for fast reaction
make sure that drum is not leaked from any place.