Identify the incorrect statement w.r.t. biogas plant
It consists of a concrete tank , 10-15 feet deep in which bio-wastes are collected and a slurry of dung is fed.
A floating cover is placed over the slurry , which keeps on rising as the gas is consumed in the tank.
It has an outlet , which is connected to pipe to supply biogas to nearby houses
The spent slurry is removed and may be used as fertiliser
As we learnt ,
Structure of a typical biogas plant -
The spent slurry is removed through another outlet and may be used as fertiliser.
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