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A trickling filter is used for –

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in Bioprocess Engineering by (80.7k points)
A trickling filter is used for –

(a) Antibiotic production

(b) Beer production

(c) Waste water treatment

(d) Citric acid manufacturing

I have been asked this question in examination.

My enquiry is from Medium Optimization topic in division Introduction to Fermentation Processes & Media for Industrial Fermentation of Bioprocess Engineering

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Best answer
The correct option is (c) Waste water treatment

The best I can explain: A trickling filter, also called trickling biofilter, biofilter, biological filter and biological trickling filter, is a fixed-bed, biological reactor that operates under (mostly) aerobic conditions. Pre-settled wastewater is continuously ‘trickled’ or sprayed over the filter.

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