1) multi-column process
多塔流程
2) double-column process
双塔流程
1.
On the basis of process simulation and basic theoretical analysis, a new energy saving double-column process is proposed for FCC absorption and desorption system with " bi-directional mass transfer".
在流程模拟和基本原理分析的基础上,指出FCC装置吸收稳定系统吸收解吸过程存在双向传质,提出了一种新的改进型节能双塔流程。
3) four towers flow
四塔流程
4) single tower process
一塔流程
5) two-column technological process
两塔流程
1.
After the former two-column technological process of liquid gas separation device in Dagang petrochemical company came back to conventional three-column technological process,low temperature heat of circulate hot water from fractionation units of the 1.
大港石化公司液化气分离装置原两塔流程恢复为传统三塔流程后,以循环热水回收1。
6) three-column technological process
三塔流程
1.
After the former two-column technological process of liquid gas separation device in Dagang petrochemical company came back to conventional three-column technological process,low temperature heat of circulate hot water from fractionation units of the 1.
大港石化公司液化气分离装置原两塔流程恢复为传统三塔流程后,以循环热水回收1。
补充资料:多苯基多亚甲基多异氰酸酯
多苯基多亚甲基多异氰酸酯,简称PAPI,或称粗MDI,浅黄色至褐色粘稠液体.有刺激性气味。相对密度(20℃/20 ℃)1.2,燃点218℃。PAPI实际上是由50%MDI与50%官能度大于2以上的多异氰酸酯组成的混合物。升温时能发生自聚作用。溶于氯苯、邻二氯苯、甲苯等。PAPI的活性低,蒸气压低,只是TDI的百分之一,故毒性很低。
用于制造聚氨脂胶粘剂。也可直接加入橡胶胶粘剂中,改善橡胶与尼龙或聚酯线的粘接性能。贮存于阴凉、通风、干燥的库房内,远离火种、热源。严格防水、防潮,避免光照。
用于制造聚氨脂胶粘剂。也可直接加入橡胶胶粘剂中,改善橡胶与尼龙或聚酯线的粘接性能。贮存于阴凉、通风、干燥的库房内,远离火种、热源。严格防水、防潮,避免光照。
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参考词条