The raw product from hydrogenation is continuously rectified. 1,4-Butanediol from continuous rectification is subject to PBT polymerization test, and is found to be up to the polymerization grade.
对加氢所得的1，4-丁二醇粗产品进行了连续精馏和PBT聚合试验，表明试验所得的1，4-丁二醇产品达到了聚合级要求。
The adoption have two continuous rectification 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。
The original batch recovery process was replaced by the process of neutralization setting and continuous rectification.
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。
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