问题:在下列情况下应降低溶剂比()。A、芳烃纯度下降B、EDC塔底温度降低C、原料芳烃含量上升D、原料油组成由窄变宽...
Thursday, December 15, 2022
问题:离心泵油箱润滑油液面应控制在1/3-1/2之间。...
Sunday, September 11, 2022
问题:提高抽提塔操作温度有利于提高溶剂的(),提高芳烃的()。...
Sunday, June 25, 2023
Saturday, September 10, 2022
问题:抽提过程的主要影响因素是()。A、温度、压力、溶剂比、回流比B、芳烃组成,原料变化C、泵跳闸,设备泄漏...
Tuesday, February 20, 2024
问题:MEA作为中和剂,主要加入()A、E-1004入口B、E-1004出口C、V-1001水包D、V-1002水包...
Tuesday, May 2, 2023
Sunday, September 11, 2022
Friday, November 18, 2022
Saturday, March 23, 2024
Sunday, September 11, 2022
Saturday, September 10, 2022
Sunday, September 11, 2022
问题:为什么用于抽提系统的中压蒸汽要经消过热处理?是如何进行处理的?...
Sunday, June 18, 2023
Thursday, October 27, 2022
Sunday, September 11, 2022
Sunday, September 11, 2022
Sunday, September 11, 2022
Sunday, September 11, 2022
Saturday, September 10, 2022
问题:苯塔的开工至正常其温差是怎样变化的?什么时候改为温差、侧线抽出量...
Sunday, September 11, 2022