Question

The anaerobic digestion can be inhibited.

(a) True

(b) False

The question was asked during a job interview.

My doubt is from Problem involved in Biogas Production topic in division Biomass Energy of Energy Engineering

Answer 1

Correct option is (a) True

Explanation: The anaerobic digestion process can be inhibited by several compounds, affecting one or more of the bacterial groups responsible for the different organic matter degradation steps. The degree of the inhibition depends, among other factors, on the concentration of the inhibitor in the digester. Potential inhibitors are ammonia, sulfide, light metal ions and some organics.