Consider the following statements with reference to the Biomethanation:
- It is a process by which organic material is microbiologically converted under aerobic conditions to biogas.
- Three basic groups of microorganisms are used in Biomethanation - fermenting bacteria, organic acid oxidizing bacteria, and methanogenic archaea.
- Unlike other kinds of waste treatment processes, this process is completely self-sufficient and doesn’t require an external power source.
Which of the statement(s) given is/are correct?
1 and 3
2 and 3
1, 2 and 3