公开(公告)号：US20190202770A1

公开(公告)日：2019-07-04

申请号：US16232902

申请日：2018-12-26

Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE

Inventor： Yen-Chih CHEN ,  Man-Yin LO ,  Hsi-Yen HSU

IPC: C07C68/04 ,  B01J23/10 ,  B01J21/06

Abstract: A method for preparing dialkyl carbonate is provided. The preparation method includes the following steps. An alcohol compound, carbon dioxide and a catalyst are mixed to form a mixing solution. Organic acid is added to the mixing solution to carry out a synthesis reaction of dialkyl carbonate. The alcohol compound includes methanol, ethanol, propanol or butanol. The catalyst includes cerium oxide, zirconium oxide, titanium oxide, lanthanum oxide or a combination thereof. The organic acid includes formic acid, acetic acid, propionic acid, butyric acid, valeric acid or a combination thereof.

公开(公告)号：US20170334815A1

公开(公告)日：2017-11-23

申请号：US15598923

申请日：2017-05-18

Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE

Inventor： Shu-Hua CHAN ,  Hsi-Yen HSU ,  Chiou-Hwang LEE ,  Ying-Chieh LEE

IPC: C07C29/145 ,  B01J23/46 ,  C07C2601/04

CPC classification number: C07C29/145 ,  B01J23/462 ,  C07C2601/04 ,  C07C31/274

Abstract: Catalyst for hydrogenation of 1,3-cyclobutanediketone compound is provided, which includes a support and VIIIB group transition metal loaded thereon. The support includes a first oxide powder with a surface wrapped by a second oxide. The first oxide includes silicon oxide, aluminum oxide, zirconium oxide, titanium oxide, zinc oxide, or a combination thereof. The second oxide has a composition of MxAl(1-x)O(3-x)/2, M is alkaline earth metal, and x is from 0.3 to 0.7.