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Recycle of mother liquor-modified synthetic molecular sieve involves mixing molecular sieve and mother liquor modifier, processing, separating modified molecular sieve and remaining mother liquor modifier, and analyzing silica content. 专利
申请日期: 2014-01-01, 公开日期: 2014-08-13
作者:  ZHANG M LI C LIANG C CHEN X CHEN Y
收藏  |  浏览/下载:2/0  |  提交时间:2019/12/11
Modified catalyst used for producing methanol, comprises specified amount of copper oxide, zinc oxide, alumina, silica and titanium dioxide, and is prepared by co-precipitation method. 专利
申请日期: 2012-01-01, 公开日期: 2012-01-04
作者:  CHEN S LI G ZHANG L ZHANG Y
收藏  |  浏览/下载:1/0  |  提交时间:2019/12/18
Preparing modified silica gel absorbent used for protecting vehicle-mounted fuel cell, by mixing tetraethoxysilane, ethyl alcohol, deionized water and hydrochloric acid, adding amino modifying agent, and drying and pulverizing product. 专利
申请日期: 2010-01-01, 公开日期: 2010-10-13
作者:  QIU J WAN P
收藏  |  浏览/下载:6/0  |  提交时间:2019/12/24


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