One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； April 2nd
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Multiple-choice question: In the calcium carbide process VCM conversion and purification system, after alkaline washing, the vinyl chloride gas phase should be acidic, which is ( ). A Normal B Alkali pump not delivering sufficient flow C Alkali failure D Water wash tower out of water Answer: B C D
B: The alkali pump is not delivering sufficient flow. C: The alkali has lost its effectiveness. D: The water wash tower has no water supply
In the calcium carbide process VCM conversion and purification system, the acidity of the vinyl chloride gas phase after alkaline washing should be (BCD). A Normal B Alkali pump not delivering sufficient flow C Alkali failure D Water wash tower without water supply
B: The alkali pump is not delivering sufficient flow. C: The alkali has lost its effectiveness. D: The water wash tower has no water supply
In the calcium carbide process VCM conversion and purification system, the acidity of the vinyl chloride gas phase after alkali washing should be (BCD). A Normal B Alkali pump not delivering sufficient flow C Alkali failure D Water wash tower without water supply