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- Title
Progress in recovery of platinum from alumina supported spent catalyst.
- Authors
WANG Lingsong; DONG Haigang; ZHANG Chunxi; WU Yuedong; ZHAO Jiachun; WANG Jianqiang
- Abstract
With regard to the high content of platinum in alumina supported spent catalyst, it is essential to recover platinum from alumina supported spent catalyst. In this paper, the technical status of platinum recovery from waste alumina supported platinum catalyst is reviewed, and the advantages and disadvantages of the main recovery processes are discussed. Hydrometallurgical process is difficult to deal with complex materials and comprehensive utilization of waste liquid. Pyrometallurgical process is limited by equipment and slag-making methods, so it has not been applied in large-scale industry. Considering the large quantity and complex composition of waste catalysts in the future, it is considered that the development of more efficient and clean recovery process is the main development trend in the future.
- Subjects
CATALYST supports; PLATINUM catalysts; PLATINUM; WASTE recycling; LIQUID waste; CATALYSTS
- Publication
Precious Metals / Guijinshu, 2023, Vol 44, p56
- ISSN
1004-0676
- Publication type
Article