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What do you mean by filter cake?

(a) The cake which is to be filtered

(b) A porous membrane used to retain the solids

(c) The solids which are present on the filter

(d) A suspension to be filtered

This question was addressed to me by my college director while I was bunking the class.

This interesting question is from Media Design and Preparation for Bioprocesses topic in chapter Equipping a Fermentation Laboratory, the Design and Preparation of Media for Bioprocesses of Fermentation Technology

1 Answer

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Right option is (c) The solids which are present on the filter

Easy explanation: The filter cake consists of the solids which are present on the filter. It is usually the insoluble matter which is left on the filter. As the cake grows, the particulate matter is retained, resulting in the thickening of cake.

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