【Daily Question No. 179】2017.06.28

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【Daily Question No. 179】June 28, 2017: The difficulty level of removing various nitrogen compounds in a hydrofinishing unit (). 　　　A. Non-alkaline nitrogen is not easy to remove. B. Alkaline nitrogen is not easy to remove. C. Both are equally easy to remove. The reference answers can be seen after responding; scoring is possible by identifying the key points. (Unless otherwise specified, all questions and answers are based on hydrogenation units.) ) Note: For questions of the type \"one question per day,\" if someone replies continuously for a month, that is, more than 30 posts, their score will be assigned as 2 points, which is the lowest possible score. Click once to reply; if multiple replies are made, points will be awarded as appropriate, as deleting posts is also a waste of time. B Rating Criteria: 2 Wealth points for incorrect attempts; *incomplete* answers result in 3–8 points. 10 Wealth points are awarded for correct answers, provided there is a detailed explanation; if additional *answers* are missing, 15–20 Wealth points are given. Please use these criteria for scoring. Note: If there are editing records after answering, only those who participated will be credited 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 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