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Which of the following method is not a post processing activity?

(a) Sieving

(b) Landfill sealing

(c) Drying

(d) Disintegrating clumps

This question was posed to me during an interview for a job.

Question is from Aerobic Treatment of Solid Wastes in portion Biotechnology for Solid Waste Management of Environmental Biotechnology

1 Answer

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Right choice is (b) Landfill sealing

Easy explanation: Drying, disintegrating clumps, sieving are the methods used for removing impurities and to increase the quality of product to increase its marketability whereas, landfill sealing is an environmental monitoring method used for measuring the landfill process efficacy in a long term basis.

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