氯化铁能够代替硫酸作为酯化作用的催化剂。
Ferric chloride can be ased as catalyst for the esterification instead of Sulphuric acid.
硫酸氢钠能够代替硫酸作为酯化作用的催化剂。
Sodium bisulfate can be used as a catalyst for esterification instead of sulphuric acid.
分别考察了不同类型固体超强酸的催化酯化作用，并且研究了搅拌速度、催化剂用量以及焙烧温度对酯化反应的影响。
Some different kinds of solid superacid, the influence of stir speed, the amount of catalyst, and the roasting temperature on esterification reaction was studied.
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