Design and Optimization of a Novel Hybrid Membrane–Electrochemical Hydrogen Pump Process for Recovering Helium from NRU off Gas

Design and Optimization of a Novel Hybrid Membrane–Electrochemical Hydrogen Pump Process for Recovering Helium from NRU off Gas

Due to the low boiling point of helium, the nitrogen-rich off gas of the nitrogen rejection unit (NRU) in the liquefied natural gas (LNG) plant usually contains a small amount of CH<sub>4</sub>, approximately 1–4% He, and associated gases, such as H<sub>2</sub>. However, it i...

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Bibliographic Details
Main Authors: Wu Xiao, Hao Wang, Andi Cheng, Hanli Wang, Zhendong Yang, Xuemei Wu, Xiaobin Jiang, Gaohong He
Format: Article
Language:English
Published: MDPI AG 2023-07-01
Series:Membranes
Subjects:
hybrid process
helium separation
process design
economic assessment
optimization
response surface methodology
Online Access:https://www.mdpi.com/2077-0375/13/7/689

Internet

https://www.mdpi.com/2077-0375/13/7/689

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