In the production of polyvinyl chloride by the calcium carbide method, how is water removed from the mixed gas? How should the waste acid generated by drying with sulfuric acid be disposed of?

2011-11-21View Original

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This post was last edited by sunjl1981 on 2013-1-6 21:46. Colleagues: In the production of polyvinyl chloride using the calcium carbide method, how can moisture be removed from acetylene and hydrogen chloride gases? How should the waste acid generated by drying with sulfuric acid be disposed of? # + + . hcbbs

Reply #22011-11-21

Dried with sulfuric acid; the waste acid can only be sold!

Reply #32011-12-16

Solid alkali can be used to dry mixed gases.

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In the production of polyvinyl chloride by the calcium carbide method, how is water removed from the mixed gas? How should the waste acid generated by drying with sulfuric acid be disposed of?

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