公开(公告)号：US12005427B2

公开(公告)日：2024-06-11

申请号：US17946747

申请日：2022-09-16

Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE

Inventor： Yen-Chih Chen ,  Man-Yin Lo ,  Hsi-Yen Hsu ,  Ying-Chieh Lee ,  Yuan-Peng Du

IPC: B01J23/755 ,  B01J21/06 ,  B01J23/10 ,  B01J35/00 ,  B01J35/08 ,  B01J35/23 ,  B01J35/30 ,  B01J35/51 ,  C07C1/04

CPC classification number: B01J23/755 ,  B01J21/066 ,  B01J23/10 ,  B01J35/23 ,  B01J35/393 ,  B01J35/51 ,  C07C1/043 ,  C07C2521/06 ,  C07C2523/10 ,  C07C2523/755

Abstract: A catalyst for methanation reaction and a method for preparing methane are provided. The catalyst for methanation reaction includes a core, a shell encapsulating the core, and an active metal. The core includes cerium dioxide (CeO2), the shell includes zirconium dioxide (ZrO2), and the active metal is in particle form and is disposed on an outer surface of the shell layer.

公开(公告)号：US10696619B2

公开(公告)日：2020-06-30

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 ,  B01J21/06 ,  B01J23/10

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.