Distilling excessive menthol after reaction, filtering the liquid phase at a high temperature, separating the catalyst, stewing the filtrate for overnight stratification.
反应后蒸馏出多余甲醇，反应液相趁热过滤，分离出催化剂，然后将滤液静置过夜分层。
Its advantages include high activity and selectivity of catalyst, easy separating and reuse of catalyst, and low cost.
且催化剂颗粒较大，易于从反应产物中分离，催化剂可重复使用，明显降低了生产成本。
The result and some important experimental conditions such as the catalyst and water separating agent were studied.
此外对实验结果及反应所用催化剂、分水剂等做了讨论。
The method further separating the gas product and the trapped hydrocarbon from the spent catalyst with a stripping gas.
该方法进一步包 括用汽提气体从废弃催化剂中分离气体产品和捕获的烃。
Then, disclosed is a method for separating and collecting the active component from the alkyl tin alkoxide catalyst composition as a useful dialkyl tin dialkoxide.
本发明提供由该烃 基锡醇盐催化剂组合物中将活性成分以有用的二烃基锡二醇盐的形式进 行分离回收的方法。
Then, disclosed is a method for separating and collecting the active component from the alkyl tin alkoxide catalyst composition as a useful dialkyl tin dialkoxide.
本发明提供由该烃 基锡醇盐催化剂组合物中将活性成分以有用的二烃基锡二醇盐的形式进 行分离回收的方法。
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