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Which of the following is not a process of remediation?

(a) Vitrification

(b) Thermal

(c) Bio-leaching

(d) Chemical

This question was addressed to me in an internship interview.

The above asked question is from Introduction on Management Steps for Problem Soil Remediation in chapter Management and Remediation of Problem Soil of Environmental Biotechnology

1 Answer

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Best answer
Right answer is (c) Bio-leaching

To explain: In thermal process, contaminants removed by heat treatment, Vitrification is the use of high temperature that leads to fusion of contaminants, bio-leaching is a process used for extraction of metals and does not remove contaminants, Chemical method requires comparatively higher temperature and pressure to remove contaminants.

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