【Daily Question No. 241】2017.08.29

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【Daily Question No. 241】On August 29, 2017, the sequence of steps for starting up the distillation system was roughly (). A. Heat up, add oil as a base, introduce the oil produced by the reaction, then extract the product. B. Add oil as a base, introduce the oil produced by the reaction, heat up, then extract the product. C. Add oil as a base, establish a circulation system, heat up, enable the reaction and distillation processes to operate simultaneously, then extract the product. D. Introduce the oil produced by the reaction, heat up, then extract the product. The reference answer can be viewed after clicking *reply*; scoring is possible by identifying the key points. (Unless otherwise specified, all questions and answers are based on hydrogenation units.) ) The way answers are displayed in the daily C quizzes is about to change. Summary thread for 2017’s Q&A sessions (updates have begun): http://bbs.hcbbs.com/thread-1657793-1-1.html. Summary thread for 2017’s daily quizzes (updates have begun): http://bbs.hcbbs.com/thread-1657794-1-1.html. Summary thread for 2016’s Q&A sessions (updates completed): http://bbs.hcbbs.com/thread-1597792-1-1.html. Petrochemical Zone – “Creative Ideas for Energy Savings” campaign (the second phase is currently in progress): http://bbs.hcbbs.com/thread-1666758-1-1.html. (Source: Haichuan Chemical Industry Forum website)