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UPSC Prelims & Mains Questions
In the context of which one of the following are the terms 'pyrolysis and plasma gasification' mentioned?
A)
Extraction of rare earth elements
B)
Natural gas extraction technologies
C)
Hydrogen fuel-based automobiles
D)
Waste-to-energy technologies

Correct Answer :   Waste-to-energy technologies

Note : Like incineration; pyrolysis, gasification and plasma technologies are thermal processes that use high temperatures to break down waste. These technologies are sometimes are known as Advanced Thermal Technologies or Alternative Conversion Technologies. They typically rely on carbon-based waste such as paper, petroleum-based wastes like plastics, and organic materials such as food scraps.

Year : 2019
Category : Geography
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