[Daily Question] Basic Process Knowledge (Multiple Choice) 20200223

2020-02-23View Original

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When the capacity of the atmospheric and vacuum distillation unit is reduced, it is necessary to (C). A. Stop ammonia injection. B. Wait until the plant’s operation rate has decreased and the system is stable before adjusting the ammonia injection volume. C. Gradually adjust the ammonia injection volume based on changes in the pH value of the condensate water at the top of the tower. D. There is no need to adjust the ammonia injection volume

Reply #22020-02-23

C. Gradually adjust the ammonia injection amount based on changes in the pH value of the condensate at the tower top

Reply #32020-02-23

C. Gradually adjust the ammonia injection amount based on changes in the pH value of the condensate at the tower top

Reply #42020-02-23

C. Gradually adjust the ammonia injection amount based on changes in the pH value of the condensate at the tower top

Reply #52020-02-23

C. Gradually adjust the ammonia injection amount based on changes in the pH value of the condensate at the tower top

Reply #62020-02-23

C. Gradually adjust the ammonia injection amount based on changes in the pH value of the condensate at the tower top

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