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A REACTION SYSTEM AND PROCESS FOR PREPARING POLYMETHOXY DIEMETHYL ETHER 专利
专利类型: 发明, 专利号: CA 2847372 C, 申请日期: 2016-05-10, 公开日期: 2015-03-29
作者:  Chen J(陈静);  Song HY(宋河远);  Xia CG(夏春谷);  Kang MR(康美荣)
收藏  |  浏览/下载:14/0  |  提交时间:2017/05/09
Reaction system and process for preparing polymethoxy dimethyl ether 专利
专利类型: 发明, 专利号: US 9168503 B2, 申请日期: 2015-10-27, 公开日期: 2016-02-26
作者:  Chen J(陈静);  Song HY(宋河远);  Xia CG(夏春谷);  Kang MR(康美荣)
收藏  |  浏览/下载:25/0  |  提交时间:2016/01/15
甲醇和/或二甲醚与C4液化气相互转化制备对二甲苯的催化剂及其制备方法和应用 专利
专利类型: 发明, 专利号: CN201210126984.9, 申请日期: 2015-02-04, 公开日期: 2015-02-04
作者:  许磊;  刘中民;  于政锡
收藏  |  浏览/下载:45/0  |  提交时间:2015/11/16
Energy-saving device used for C4 purification and removal of dimethyl ether, includes feed pump, dimethyl ether removal tower, methanol washing tower, overhead reflux pump, reboiler, circulating water pump and circulation water cooler. 专利
申请日期: 2015-01-01, 公开日期: 2015-07-01
作者:  DONG H LIU P ZOU X WANG K
收藏  |  浏览/下载:6/0  |  提交时间:2019/12/09
Synthesis of aroma methyl ether and its derivatives involves adding phenol and its derivative to caustic alkali and dimethyl sulfate solution in non-protonic polar solvent, distilling, washing, and decompressing distillation. 专利
申请日期: 2008-01-01, 公开日期: 2008-05-28
作者:  GAO Z LI Q HU S WANG X WANG J
收藏  |  浏览/下载:4/0  |  提交时间:2019/12/27
Composite solid acid catalyst used for dimethyl ether synthesis, contains nickel oxide, zeolite, aluminum oxide and heteropoly acid including phosphomolybdic acid, phosphotungstic acid or silicotungstic acid. 专利
申请日期: 2008-01-01, 公开日期: 2008-07-09
作者:  WANG X CHEN L GUO X LIU M YANG Y
收藏  |  浏览/下载:4/0  |  提交时间:2019/12/27


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