【Daily Question No. 120】April 30, 2017

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This post was last edited by 955559 on 2017-7-21 22:40. [Daily Question No. 120] On 2017.04.30, cyclic hydrogen desulfurization facilities were installed to reduce the concentration of ( ) in cyclic hydrogen and enhance the depth of the desulfurization reaction. The reference answers will be visible after responding; points are awarded by identifying the key points. (Unless otherwise specified, all questions and answers are based on hydrogenation units.) ) Hydrogen sulfide scoring criteria: 2 Wealth points for incorrect answers; *incomplete* answers earn 3–8 points. 10 Wealth points are given for correct answers, along with a detailed explanation; answers that are correct but lack sufficient details earn 15–20 Wealth points. Please use these criteria for scoring. 2017 Q&A Summary Thread (updates starting now) http://bbs.hcbbs.com/thread-1657793-1-1.html 2017 Daily Question Summary Thread (updates starting now) 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 Petrochemical Sector – “Creative Ideas for Energy Saving” Campaign (Sponsors sought; highest returns ever) http://bbs.hcbbs.com/thread-1666758-1-1.html Sponsors are being sought for this campaign; those interested can contact the campaign coordinator. Petrochemical deep processing version – the event to share pictures of chemical equipment has started! A vast amount of wealth, as well as Hchuan coins, are waiting for you to claim them. http://bbs.hcbbs.com/thread-1760733-1-1.html Notice regarding the collection of chemical engineering technical materials in the \"Petroleum and Chemicals Section\": http://bbs.hcbbs.com/thread-1614796-1-1.html (Source: Hchuan Chemicals Forum)