Title:
SYSTEM FOR CAPTURING SEMI-VOLATILE HEAVY METAL IN ZINC-CONTAINING SOLID WASTE BY MEANS OF HIGH-TEMPERATURE SEPARATION IN COOPERATION WITH AMMONIUM COMPLEXING
Document Type and Number:
WIPO Patent Application WO/2021/190026
Kind Code:
A1
Abstract:
Disclosed is a system for capturing a semi-volatile heavy metal in zinc-containing solid waste by means of high-temperature separation in cooperation with ammonium complexing. The system comprises: a pre-processing system, which comprises a reduction-oxidation device and a gas-solid separation device which are sequentially connected, with a solid outlet of the gas-solid separation device being connected to a solid processing unit; a solid processing unit, which comprises a leaching device, a purification device and an electrolysis device which are sequentially connected; and a gas processing unit, which comprises a gas absorption device, with an absorption liquid inlet of the gas absorption device being connected to an electrolyte outlet of the electrolysis device, and an absorption liquid outlet of the gas absorption device being connected to the leaching device.
Inventors:
MA LIYANG (CN)
FENG GUOJUN (CN)
LUO YAN (CN)
ZHANG WU (CN)
LI YONGHUA (CN)
CHEN RUI (CN)
TANG WEIJUN (CN)
FENG GUOJUN (CN)
LUO YAN (CN)
ZHANG WU (CN)
LI YONGHUA (CN)
CHEN RUI (CN)
TANG WEIJUN (CN)
Application Number:
PCT/CN2020/140101
Publication Date:
September 30, 2021
Filing Date:
December 28, 2020
Export Citation:
Assignee:
GREENNOVO ENVIRONMENTAL TECH CO LTD (CN)
International Classes:
C22B19/30; C22B1/16; C22B19/20
Domestic Patent References:
| WO2001054800A1 | 2001-08-02 |
Foreign References:
| CN111363931A | 2020-07-03 | |||
| CN104988537A | 2015-10-21 | |||
| CN109985509A | 2019-07-09 | |||
| CN110066898A | 2019-07-30 | |||
| CN1107895A | 1995-09-06 | |||
| CN101608266A | 2009-12-23 | |||
| JPH03177522A | 1991-08-01 |
Attorney, Agent or Firm:
BEYOND ATTORNEYS AT LAW (CN)
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