【Daily Question No. 320】November 22, 2018

2018-11-22View Original

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【Daily Question No. 320】On November 22, 2018, injecting demineralized water/deoxygenated water into the reaction system of the hydrogenation unit was primarily intended to prevent the formation of （　） low-temperature crystals, which could block heat exchangers and pipes and lead to an increase in the differential pressure within the reaction system. A. Nitrides B. Gels C. Sodium salts D. Ammonium salts D. Correct: 3, Incorrect: 1 ； Mass posting of posts – rated based on the lowest score ； Replies that are unrelated to the answer are considered spam and will be deleted immediately. For management purposes, if you need to view content from a few days ago, please go to https://bbs.hcbbs.com/home.php?mod=space&uid=3862647&do=thread&view=me&from=space through the summary post below

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【Daily Question No. 320】November 22, 2018

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