Bao Liu

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Changsha, CN

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Patents Grantslast 30 patents

Information Patent Grant
Process for recycling chromium from waste water containing hexavale...
- Patent number 10,577,676
- Issue date Mar 3, 2020
- HUNAN YONKER ENVIRONMENTAL PROTECTION RESEARCH INSTITUTE CO., LTD
- Qianfeng He
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
PROCESS FOR RECYCLING CHROMIUM FROM WASTE WATER CONTAINING HEXAVALE...
- Publication number 20170268080
- Publication date Sep 21, 2017
- Hunan Yonker Environmental Protection Research Institute Co., LTD
- Qianfeng He
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...