【Daily Question】Hydrogen Production and Hydrogenation Technology Edition 20190719
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Participation: 1 wealth point as a reward; correct answer: 3 wealth points as a reward； Valid period: 48 hours ； https://bbs.hcbbs.com/static/image/hrline/1.gif Multiple-choice question: At a certain stage of catalyst presulfurization in a hydrogenation unit, the main indicator for monitoring the sulfuration rate of the catalyst is ( ). A. Heating rate ； B. Hydrogen sulfide content in recycled hydrogen ； C. Reduce the outlet temperature of the reactor feed heater ； D. Stop vulcanization ； Answer: B https://bbs.hcbbs.com/static/image/hrline/1.gif Your participation is the greatest support for our work! Giving roses to others leaves a pleasant fragrance in one’s own hands.
B. Hydrogen sulfide content in recycled hydrogen；
B. Hydrogen sulfide content in recycled hydrogen；