它需要进行一个被称作“酯交换”的过程，就是在催化剂的作用下，将咖啡渣与乙醇进行反应。
It employs a process called transesterification, which reacts the grounds with an alcohol in the presence of a catalyst.
该文以牛油为原料，在KOH的催化作用下与甲醇酯交换反应制备生物柴油。
The biodiesel production through transesterification reaction from tallow with methanol was studied, and KOH was used as catalyst.
研究了D, L -丙交酯在浓硫酸催化作用下与正丁醇进行酯交换反应合成乳酸丁酯的条件。
Butyl lactate was synthesized by the ester exchange reaction of d, L-lactide and n-butanol under the catalysis of sulfuric acid.
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