【Daily Question No. 164】2017.06.13

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【Daily Question No. 164】June 13, 2017: During the catalyst sulfidation process in a hydrogenation unit, while sulfidation was taking place at high temperature and constant temperature, the sulfiding agent injection pump suddenly failed and stopped operating. What should be done first in such a situation? () A. Increase the amount of cold hydrogen to reduce temperature; B. Increase the amount of sulfurizing agent to reduce temperature; C. Lower the outlet temperature of the reactor feed heater; D. Stop the sulfiding process. Refer to the answer key – scoring is based on identifying the key points. (Unless otherwise specified, all questions and answers are based on hydrogenation units.) ) C scoring criteria: 2 Wealth points for incorrect attempts; *incomplete* answers earn 3–8 points. 10 Wealth points are given for correct answers accompanied by detailed explanations; those with correct answers but incomplete supplementary *answers* receive 15–20 Wealth points. Please score according to these criteria. Note: If there are editing records after answering, only those who participated will be given points. For continuous malicious spamming, 2 points will be deducted each time, with no upper limit. Pure numbers, pure emojis, or random letters that have nothing to do with the answer are all considered malicious spamming. Points will start to be deducted after three warnings. 2017 Q&A Summary Thread (updates have started) http://bbs.hcbbs.com/thread-1657793-1-1.html 2017 Daily Question Summary Thread (updates have started) http://bbs.hcbbs.com/thread-1657794-1-1.html 2016 Q&A Summary Thread (updates completed) http://bbs.hcbbs.com/thread-1597792-1-1.html