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