Qian Zeng

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Henan, CN

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Patents Grantslast 30 patents

Information Patent Grant
Process and device for treating catalyst discharged from bubbling b...
- Patent number 10,041,010
- Issue date Aug 7, 2018
- Shanghai Huachang Environmental Protection Co., Ltd
- Jianping Li
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Short-flow process for desulfurization of circulating hydrogen and...
- Patent number 9,302,910
- Issue date Apr 5, 2016
- SHANGHAI HUACHANG ENVIRONMENT PROTECTION CO., LTD.
- Hualin Wang
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Process and Device for Treating Catalyst Discharged from Bubbling B...
- Publication number 20150218463
- Publication date Aug 6, 2015
- Shanghai Huachang Environmental Protection Co., Ltd.
- Jianping Li
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
SHORT-FLOW PROCESS FOR DESULFURIZATION OF CIRCULATING HYDROGEN AND...
- Publication number 20100104498
- Publication date Apr 29, 2010
- Hualin Wang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL