【Daily Question】Hydrogen production and hydrogenation technology version 20190717
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This post was last edited by Xin Zai Tian Bian on 2019-7-17 09:31. Participants: 1 wealth point as reward; correct answers: 3 wealth points as reward； Valid period: 48 hours ； https://bbs.hcbbs.com/static/image/hrline/1.gif Multiple-choice question: What has the greatest impact on the service life of the catalyst during pre-sulfidization? A. Coking on the catalyst surface ； B. Thermal hydrogen reduction of catalysts ； C. Blockage of channels ； D. The water produced as a reaction product causes damage to the catalyst. Answer: D 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.
D. The water produced as a reaction product damages the catalyst
A. Coking on the catalyst surface； B. Thermal hydrogen reduction of catalysts ； C. Blockage of channels ； D. The water produced as a reaction product damages the catalyst
D. The water produced as a reaction product damages the catalyst