The original batch recovery process was replaced by the process of neutralization setting and continuousrectification.
采用中和分层与连续精馏相结合的工艺取代了原有的间歇回收工艺。
2
The adoption have two continuousrectification segments to keep the segment curve, optimizing the design of segment row.
采用具有两个连续矫直段的连铸机辊列曲线，对辊列进行优化设计。
3
The raw product from hydrogenation is continuously rectified. 1,4-Butanediol from continuousrectification is subject to PBT polymerization test, and is found to be up to the polymerization grade.