Title:
COMPLETE MAN-MADE BOTTOM PLATE, MANUFACTURING METHOD THEREFOR, AND USE THEREOF
Document Type and Number:
WIPO Patent Application WO/2023/065967
Kind Code:
A1
Abstract:
A manufacturing method for and a use of a complete man-made bottom plate. Flow guide holes do not need to be formed on the complete man-made bottom plate, and a rare earth mother liquor can be drawn out by means of a tunnel and an in-road. Waterproof cloth is laid on the bottom parts of a main tunnel and an in-road, the waterproof cloth is formed as a whole at the bottom part of an ore body, thus preventing the problems of rare earth mother liquor leakage and excess ammonia nitrogen in groundwater. The complete man-made bottom plate can be applied in an in-situ ore leaching process on ionic rare earth ore, can greatly improve the recovery rate of rare earth, prevent environmental pollution, and improve the economic benefits of mining businesses.
Inventors:
LI CHUN (CN)
YANG YONG (CN)
YE GUANGXIANG (CN)
LI JIAN (CN)
ZHANG SHUBIAO (CN)
ZENG FANZHEN (CN)
ZHONG JIANMIN (CN)
YANG YONG (CN)
YE GUANGXIANG (CN)
LI JIAN (CN)
ZHANG SHUBIAO (CN)
ZENG FANZHEN (CN)
ZHONG JIANMIN (CN)
Application Number:
PCT/CN2022/120904
Publication Date:
April 27, 2023
Filing Date:
September 23, 2022
Export Citation:
Assignee:
GANZHOU NONFERROUS METALLURGY RES INSTITUTE CO LTD (CN)
International Classes:
C22B3/02; C22B3/04; C22B59/00
Foreign References:
| CN113832342A | 2021-12-24 | |||
| CN108374097A | 2018-08-07 | |||
| CN101906536A | 2010-12-08 | |||
| CN102787236A | 2012-11-21 | |||
| CN101126309A | 2008-02-20 | |||
| US20200048737A1 | 2020-02-13 |
Attorney, Agent or Firm:
BEIJING GAOWO LAW FIRM (CN)
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