Qingzhu LI

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Hunan, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method for preparing hydrogen sulfide from sulfur dioxide by electr...
- Patent number 12,129,566
- Issue date Oct 29, 2024
- Central South University
- Hui Liu
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Treatment system and method for deep utilization of dolomite resources
- Patent number 11,866,803
- Issue date Jan 9, 2024
- Central South University
- Liyuan Chai
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method and apparatus for the recovery and deep treatment of pollute...
- Patent number 10,662,075
- Issue date May 26, 2020
- Central South University
- Liyuan Chai
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
COMPLETE SET OF TREATMENT SYSTEM AND METHOD FOR DEEP UTILIZATION OF...
- Publication number 20230203620
- Publication date Jun 29, 2023
- Central South University
- Liyuan CHAI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR PREPARING HYDROGEN SULFIDE FROM SULFUR DIOXIDE BY ELECTR...
- Publication number 20220316078
- Publication date Oct 6, 2022
- Central South University
- Hui LIU
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
METHOD AND APPARATUS FOR THE RECOVERY AND DEEP TREATMENT OF POLLUTE...
- Publication number 20190023585
- Publication date Jan 24, 2019
- CENTRAL SOUTH UNIVERSITY
- Liyuan CHAI
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE