【Daily Question No. 112】2018.04.22

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【Daily Question No. 112】April 22, 2018: The purpose of carrying out isothermal dehydrogenation when the hydrogenation unit is shut down is ( ). A. To improve the utilization rate of hydrogen B. To enhance catalyst activity C. To release the hydrogen trapped in the reactor walls D. To prevent corrosion caused by polyoxysulfuric acids. The reference answer can be viewed after restoration; scoring is possible by identifying the key points. C: This question is valid for 48 hours; within those 48 hours, 10 wealth points are awarded for correct answers and 2 wealth points for incorrect answers ； If the response is given after 48 hours, the score is halved, regardless of whether it is correct or not ； 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 access it through the summary post below. https://bbs.hcbbs.com/home.php?mod=space&uid=719164&do=thread&view=me&from=space The APP short-video skill competition has started! https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=1951670