The catalyst is prepared by forming the methanol dehydration catalyst layer around the methanol synthesis catalyst.
催化剂是通过在甲醇合成催化剂颗粒的周围形成甲醇脱水用催化剂层而制成。
The catalyst used in the invention is comprised of a methanol synthesis catalyst and dehydration catalyst layers formed around methanol catalyst particles.
本发明所用催化剂是由甲醇合成催化剂和在甲醇催化剂颗粒周围形成的脱水催化剂层组成。
Using glycerine and acetic acid as raw materials and in the presence of catalyst, glycerin triacetate was synthesized through esterification, dehydration and underpressrue distillation.
利用酯化反应基本原理，以丙三醇和醋酸在催化剂的作用下进行酯化反应，经脱水、减压精馏得甘油三醋酸酯产品。
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