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1.发明公开METHOD FOR PREPARING SOLID NITROSYL RUTHENIUM NITRATE BY USING WASTE CATALYST CONTAINING RUTHENIUM 有权PROCESS FOR SOLID亚硝酰钌硝酸盐的制备使用钌废催化剂
公开(公告)号：EP2823900A4
公开(公告)日：2015-11-25
申请号：EP13758228
申请日：2013-03-04
发明人： XU LI , LAI BO , SONG DECHEN , LIU QIANQIAN , HAN YIMING
CPC分类号： C22B11/048 , C01G55/00 , C01P2006/80 , C22B1/005 , C22B7/009 , Y02P10/214 , Y02P10/234
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2.发明公开PROCESS FOR THE COMPREHENSIVE RECOVERY OF METAL COBALT, RUTHENIUM AND ALUMINUM FROM WASTE CATALYST CO-RU/AL2O3 IN FISCHER-TROPSCH SYNTHESIS 有权PROCEDURE用于金属钴，钌和铝的从废催化剂CO RU / Al2O3的AT费 - 托工艺完全恢复
公开(公告)号：EP2824200A4
公开(公告)日：2015-12-02
申请号：EP13758445
申请日：2013-03-04
发明人： LIU QIANQIAN , HAN YIMING , SONG DECHEN , XU LI , LAI BO
IPC分类号： C22B7/00
CPC分类号： C22B23/0446 , C01F7/142 , C01G51/00 , C01G51/04 , C01G55/004 , C01G55/005 , C01P2006/80 , C22B7/00 , C22B7/009 , C22B11/026 , C22B11/04 , C22B11/048 , C22B11/06 , C22B21/003 , C22B21/02 , C22B23/00 , C22B23/026 , Y02P10/214 , Y02P10/218 , Y02P10/224 , Y02P10/234 , Y02P20/129 , Y02P20/142
摘要： Provided is a process for the comprehensive recovery of metal cobalt, ruthenium and aluminum from a waste catalyst Co-Ru/Al 2 O 3 in a Fischer-Tropsch synthesis. First, a waste catalyst is subjected to hydrocarbon removal, and reduction treatment, to effectively separate a cobalt slag in an alkali fusion step, and then the cobalt slag is subjected to the steps of acid leaching, cobalt precipitation with oxalic acid or ammonium oxalate, reduction of cobalt oxalate, dissolution of metal cobalt with nitric acid, etc., to obtain Co(N0 3 ) 2 ·6H 2 O. A ruthenate which is dissolved by steps such as alkali fusion, and leaching with deionized water, is subjected to the steps of reduction with ethanol, dissolution with concentrated hydrochloric acid, distillation under reduced pressure, etc., to obtain a ²-RuCl 3 ·xH 2 O product with a high purity. Aluminum hydroxide is prepared from a meta-aluminate solution by CO 2 carbonation, by controlling the parameters such as reaction temperature, flow rate of CO 2 , pH value at the end point of the reaction, etc., and the aluminum hydroxide is calcined to obtain aluminum oxide with a product quality achieving the quality requirements of first-class aluminum oxide in the Chinese national standard. The resulting product has a high yield, wherein cobalt is ‰¥ 97%, ruthenium is ‰¥ 95%, and aluminum is ‰¥ 92%.
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