Yalei Zhang

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method and device for preventing and controlling pollutants in the...
- Patent number 11,352,281
- Issue date Jun 7, 2022
- Chinese Research Academy of Environmental Sciences
- Beidou Xi
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method and device for controlling pollutants in metal mine water re...
- Patent number 11,332,400
- Issue date May 17, 2022
- Chinese Research Academy of Environmental Sciences
- Beidou Xi
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE