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Preparing hexamethylenediamine adiponitrile by direct hydrogenation under alkali-free condition comprises e.g. using alkali metal oxide or rare earth metal oxide modified trialuminum oxide-supported metal nickel catalyst by co-precipitation. 专利
申请日期: 2018-01-01, 公开日期: 2018-05-29
作者:  LIANG C CHEN X ZHANG Y DENG T
收藏  |  浏览/下载:8/0  |  提交时间:2019/12/02
一种甲烷无氧直接制烯烃的方法及其催化剂 专利
专利类型: 发明, 专利号: CN201310174960.5, 申请日期: 2015-11-01, 公开日期: 2014-11-19
作者:  包信和;  郭晓光;  方光宗;  邓德会;  马昊
收藏  |  浏览/下载:51/0  |  提交时间:2015/11/16
Metal free desulfurization catalyst preparation involves dispersing iron salt in neutral solvent to obtain iron salt solution, adding nanometer calcium carbonate to iron salt solution, where solution is filtered to obtain concentrate. 专利
申请日期: 2014-01-01, 公开日期: 2014-09-03
作者:  LIU Y WANG X QIU J ZHAN D
收藏  |  浏览/下载:13/0  |  提交时间:2019/12/11


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