Invention Grant
- Patent Title: Separation and purification coupled process with high helium yield and diversified products
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Application No.: US17356117Application Date: 2021-06-23
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Publication No.: US11697092B2Publication Date: 2023-07-11
- Inventor: Gaohong He , Minggang Guo , Yan Dai , Xuehua Ruan , Panpan Mi , Xiaohang Yang
- Applicant: Dalian University of Technology , Panjin Institute of Industrial Technology, Dalian University of Technology
- Applicant Address: CN Liaoning
- Assignee: Dalian University of Technology,Panjin Institute of Industrial Technology, Dalian University of Technology
- Current Assignee: Dalian University of Technology,Panjin Institute of Industrial Technology, Dalian University of Technology
- Current Assignee Address: CN Liaoning; CN Liaoning Province
- Agency: Cesari & McKenna, LLP
- Priority: CN 2010587840.8 2020.06.24
- Main IPC: B01D53/047
- IPC: B01D53/047 ; B01D53/22 ; C01B23/00
Abstract:
A separation and purification coupled process with a high helium yield and diversified products is provided. The process is as follows. Firstly, a low-concentration helium-containing gas after being pressurized and pre-treated enters a two-stage and two-section membrane separation unit to produce a helium product with a medium concentration by concentrating stage by stage through the membrane separation unit. A part of the helium with medium concentration enters an adsorption unit for further concentration to produce a helium product above grade A.
Public/Granted literature
- US20210402345A1 SEPARATION AND PURIFICATION COUPLED PROCESS WITH HIGH HELIUM YIELD AND DIVERSIFIED PRODUCTS Public/Granted day:2021-12-30
Information query
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