Question

Which of the following methods can be used to generate huge amount of energy?

(a) Dumping

(b) Gasification

(c) Incineration

(d) Urban solid waste

I have been asked this question by my college director while I was bunking the class.

The doubt is from General Composition of Urban Solid Wastes in chapter Biotechnology for Solid Waste Management of Environmental Biotechnology

Answer 1

Correct answer is (d) Urban solid waste

The explanation: Urban solid waste or municipal solid waste can be used to generate huge amount of energy by processes like combustion, pyrolysis etc., dumping is done in low lying areas, gasification is the degradation of organic matter in anaerobic conditions and incineration are the processes used for waste disposal.