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Select the incorrect statement from the following option. (a)The capital cost for zeolite process is high

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Select the incorrect statement from the following option.

(a) The capital cost for zeolite process is high

(b) The residual hardness in zeolite process is 0-15 ppm

(c) The raw water used should be turbid and acidic

(d) Automation is possible in zeolite process

This question was posed to me in an interview for internship.

Question is taken from Zeolites in division Water and its Treatment of Engineering Chemistry II

1 Answer

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The correct option is (c) The raw water used should be turbid and acidic

Easy explanation: The raw water used should be non-turbid and non-acidic. All the other options are correct. The capital cost for zeolite process is high and the residual hardness in the zeolite process is 0-15 ppm. Automation is also possible in zeolite process.

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