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The exhausted zeolite is reclaimed by treating the bed with a ___________

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in Engineering Chemistry II by (789k points)
The exhausted zeolite is reclaimed by treating the bed with a ___________

(a) Conc. NaCl

(b) Conc. HCl

(c) Conc. H2SO4

(d) Dil. HCl

I have been asked this question by my school teacher while I was bunking the class.

My doubt stems from Zeolites in division Water and its Treatment of Engineering Chemistry II

1 Answer

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Right option is (a) Conc. NaCl

For explanation: The exhausted zeolite is reclaimed by treating the bed with conc. NaCl (brine) solution. Zeolites have the potential of providing precise and specific separation of gases including the removal of H2O, CO2 and SO2 from low-grade natural gas streams.

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