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1.发明授权公开(公告)号：US10576465B2
公开(公告)日：2020-03-03
申请号：US15621282
申请日：2017-06-13
Applicant: Wanhua Chemical Group Co., Ltd.
Inventor： Guangquan Yi , Yinchuan Lou , Yi Wan , Xunkun Wu , Weiqi Hua , Jiansheng Ding
Abstract: The present invention relates to a catalyst for producing chlorine by oxidation of hydrogen chloride and a method for preparing the same. The catalyst comprises a support and active ingredients that comprise 1-20 wt % of copper, 0.01-5 wt % of boron, 0.1-10 wt % of alkali metal element(s), 0.1-15 wt % of one or more rare earth elements, and 0-10 wt % of one or more elements selected from magnesium, calcium, barium, manganese, iron, nickel, cobalt, zinc, ruthenium or titanium based on the total weight of the catalyst. The catalyst is prepared by a two-step impregnation method. Comparing with the available catalysts of the same type, the catalyst according to the present invention has greatly improved conversion and stability.
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2.发明申请公开(公告)号：US20170274361A1
公开(公告)日：2017-09-28
申请号：US15621282
申请日：2017-06-13
Applicant: Wanhua Chemical Group Co., Ltd.
Inventor： Guangquan Yi , Yinchuan Lou , Yi Wan , Xunkun Wu , Weiqi Hua , Jiansheng Ding
Abstract: The present invention relates to a catalyst for producing chlorine by oxidation of hydrogen chloride and a method for preparing the same. The catalyst comprises a support and active ingredients that comprise 1-20 wt % of copper, 0.01-5 wt % of boron, 0.1-10 wt % of alkali metal element(s), 0.1-15 wt % of one or more rare earth elements, and 0-10 wt % of one or more elements selected from magnesium, calcium, barium, manganese, iron, nickel, cobalt, zinc, ruthenium or titanium based on the total weight of the catalyst. The catalyst is prepared by a two-step impregnation method. Comparing with the available catalysts of the same type, the catalyst according to the present invention has greatly improved conversion and stability.
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