The esterification rate is over 98% under the optimized conditions.
在此条件下脂肪酸甲酯化率达到98%以上。
The rate of hydrolysis. is. for the most part significantly lower than the esterification rate.
多数情况下水解速度较酯化速度低得多。
The process condition was determined by orthogonal test, and the esterification rate of the above reaction reaches to 98%.
用正交实验确定了工艺条件，酯化率达98%。产品性能指标与已二酸二辛酯相近。
Results show that catalytic activity of lactic acid and aluminium esterification rate of lactic acid is high under optimum condition.
结果表明：磷钨酸和磷钨酸铝对乳酸和正丁醇的酯化反应具有较好的活性，在适当条件下，乳酸具有较高的酯化率。
The effects of catalyst amount, mole ratio of sodium benzoate and benzyl chloride, reaction time on the esterification rate were studied.
考察了催化剂用量、釜残液与氯化苄的物质的量的比和反应时间对收率的影响。
The effect of raw material ratio, esterification time, the quantity of the catalyst and reuse of catalyst on esterification rate was discussed.
讨论了原料配比、酯化时间、催化剂用量及其重复使用次数对酯化率的影响。
Under the suitable technological conditions, the rate of esterification can reach over 97%.
在适宜工艺条件下，酯化率可达97%以上。
In addition, it was found that under microwave irradiation, the reaction rate of esterification, yield of the product was higher than that of conventional heating method.
另外通过实验发现，微波辐射下，反应速率明显高于常规加热方式。
The conversion, the utilization rate of raw materials and the product yield of esterification reactions are raised by applying the catalytic rectification process.
催化精馏技术应用于酯化反应体系，提高了反应的转化率、原材料利用率和产品收率。
In addition, it was found that under microwave irradiation, the reaction rate of esterification, and yield of the product is higher than that of conventional heating method.
同时发现在微波辐射下，酯化反应速率、收率均明显高于常规加热方式。
The rate constants of esterification of 2-chloroacetic acid with 6 species of the primary alcohols were determined in the presence of and in the absence of catalyst, the hydrate of ferric sulphate.
在有无硫酸铁水合物催化剂的情况下，分别测定了2-氯乙酸与六种伯醇的酯化反应速率常数；
The process can be simplified and the rate of esterification yield may reach 85%. The catalyst may be used repeatedly.
反应产物的处理可以简化，酯化收率可达85%，催化剂可重复使用多次。
Under the suitable technological conditions, the rate of esterification was over 99%.
在适宜工艺条件下，酯化率可达99%以上。
The effects of temperature and catalyst concentration on the reaction rate of esterification were studied.
重点考察了酯化温度和催化剂用量对酯化反应的影响。
The effects of temperature and catalyst concentration on the reaction rate of esterification were studied.
重点考察了酯化温度和催化剂用量对酯化反应的影响。
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