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【Daily Question】Hydrogen production and hydrogenation technology version 20190608

2019-06-08View Original

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Participation: Prize 1 Wealth; Correct answer: Reward of 3 wealth points ; Note: This post is valid for 48 hours. https://bbs.hcbbs.com/static/image/hrline/2.gif Multiple-choice question: The purpose of performing an alkaline wash on the reactor after shutting down the wax oil hydrogenation unit is ( ). A. To remove dust B. To prevent hydrogen embrittlement C. To prevent hydrogen corrosion D. To prevent peroxysulfate corrosion. Answer: D. Your participation is the greatest support for our work. Giving roses to others leaves a pleasant fragrance in one’s own hands. https://bbs.hcbbs.com/static/image/hrline/1.gif https://bbs.hcbbs.com/static/image/hrline/2.gif Note: The answers will be released automatically after two days.

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