当采用釜式间歇甲酯化反应时，浓硫酸为适宜的催化剂。
When a stirred tank batch process is used, the appropriate catalyst is sulphuric acid.
利用固定床反应器，以固体酸为催化剂催化桐油预酯化反应。
Pre-esterification of China wood oil catalyzed by solid acid in fixed bed reactor was researched.
通过正交实验考察了反应时间、反应温度对聚乙烯醇酯化程度的影响。
The influence of reaction temperature and reaction time on degree of esterification were investigated.
选择了最佳反应条件，重复反应酯化率达到95 %以上。
The best reaction condition was selected and repeated. The best conversion is over 95%.
直接酯化法反应时间长，产率低。
Direct esterification will take long reaction time with low yield.
直接酯化法反应时间长，产率低。
Direct esterification will take long reaction time with low yield.
应用推荐