Nanping Al

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Chongqing, CN

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Patents Grantslast 30 patents

Information Patent Grant
System for reducing emission of nitrous oxide during sewage treatment
- Patent number 9,764,974
- Issue date Sep 19, 2017
- CONGQING UNIVERSITY
- Hongxiang Chai
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Reactor for sewage treatment
- Patent number 9,428,411
- Issue date Aug 30, 2016
- Chongqing University
- Hongxiang Chai
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...