It was a mixture of oil and glycerin, byproducts of biodiesel production.
2
在生物柴油生产过程中,由于原料油与醇不互溶,导致生物柴油生产过程中酯交换速率低,影响了生产效率。
In the process of preparation of biodiesel, the immiscibility of oil and alcohol leads to low transesterification rate and low production efficiency.
3
为此,在例如矿物油或合成油类型的基础油中加入了作为添加剂的天门冬氨酸衍生物和多元醇的脂肪酸酯。
To this end an aspartic acid derivative and a fatty acid ester of a polyhydric alcohol are incorporated as additives in a base oil of e. g. mineral oil or synthetic oil type.