Question

Which of the following mechanism can’t be used to regulate mass from waste to leaching water?

(a) Hydrolysis

(b) Addition of heavy metals

(c) Biological degradation

(d) Solubilisation

The question was asked during an interview.

The doubt is from Waste Disposal by Sanitary Landfilling topic in section Biotechnology for Solid Waste Management of Environmental Biotechnology

Answer 1

Right answer is (b) Addition of heavy metals

The explanation is: Hydrolysis, solubilisation of the salts present in the waste and biological degradation are the methods the can be used to regulate the transfer of mass from waste to leaching water. Whereas, addition of heavy metals leads to toxicity.