Title:
PHOTOCATALYSIS METHOD FOR DISSOLVING METAL
Document Type and Number:
WIPO Patent Application WO/2020/206962
Kind Code:
A1
Abstract:
Disclosed is a photocatalysis method for dissolving a metal, comprising dispersing a metal containing a material needing to be dissolved in a mixed solution of a cyanide compound and an organic chloride, then adding a photocatalyst, and introducing an oxygen containing gas or adding a substance that can generate oxygen thereto, and irradiating same for a certain time, such that the metal is dissolved. Compared with the prior art, the technical solution has the advantages of mild processes, saving energy, being green and environmentally friendly, having low costs, a convenient operation, etc., and is suitable for a large-scale industrial metal dissolution treatment.
Inventors:
BIAN ZHENFENG (CN)
CHEN YAO (CN)
XU MENGJIAO (CN)
LIN LILI (CN)
WEN JIEYA (CN)
WAN YU (CN)
LIU LI (CN)
LI HEXING (CN)
CHEN YAO (CN)
XU MENGJIAO (CN)
LIN LILI (CN)
WEN JIEYA (CN)
WAN YU (CN)
LIU LI (CN)
LI HEXING (CN)
Application Number:
PCT/CN2019/110382
Publication Date:
October 15, 2020
Filing Date:
October 10, 2019
Export Citation:
Assignee:
UNIV SHANGHAI (CN)
International Classes:
C22B11/00
Foreign References:
| CN108906102A | 2018-11-30 | |||
| CN1073984A | 1993-07-07 | |||
| CN86106986A | 1987-08-05 | |||
| JP2015159064A | 2015-09-03 | |||
| JPS63171641A | 1988-07-15 | |||
| US20050044991A1 | 2005-03-03 | |||
| CN107586966A | 2018-01-16 | |||
| CN108658133A | 2018-10-16 |
Attorney, Agent or Firm:
SHANGHAI KESHENG INTELLECTUAL PROPERTY AGENCY LTD. (CN)
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