XIAOMEI ZHANG

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NANJING, CN

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Patents Grantslast 30 patents

Information Patent Grant
Natural pyrrhotite biological filter and method for utilizing same...
- Patent number 10,239,774
- Issue date Mar 26, 2019
- Nanjing University
- Ruihua Li
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
NATURAL PYRRHOTITE BIOLOGICAL FILTER AND METHOD FOR UTILIZING SAME...
- Publication number 20160311712
- Publication date Oct 27, 2016
- NANJING UNIVERSITY
- RUIHUA LI
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE