Although the shell mould casting process has a wide range of application in many fields, the prediction of casting defec......

针对Ｃ４萃取精馏原有工艺流程中存在的问题，提出了优化方案，第一萃取精馏塔改塔釜出料为汽相侧线出料，降低了第二萃取精馏塔的液相负荷，用......