Vacuum pressure swing adsorption process for coalbed methane enrichment

B Lu, Y Shen, Z Tang, D Zhang, G Chen - Chinese Journal of Chemical …, 2021 - Elsevier
The enrichment of low concentration coalbed methane using adsorption process with
activated carbon adsorbent was studied in this work. Adsorption isotherms of methane …

A short review on pressure swing adsorption (PSA) technology for nitrogen generation from air

Z Kamin, MHV Bahrun, A Bono - AIP Conference Proceedings, 2022 - pubs.aip.org
Nitrogen is among the essential industrial gases after oxygen and hydrogen commonly
obtained through the air separation process. Air separation is one of the essential gas …

An improved vacuum pressure swing adsorption process with the simulated moving bed operation mode for CH4/N2 separation to produce high-purity methane

Z Qian, Y Yang, P Li, J Wang, AE Rodrigues - Chemical Engineering …, 2021 - Elsevier
Methane is a clean fossil fuel and an important greenhouse gas, so it is more significant to
recover methane from massive resources of unconventional gas. Because of the similar …

A numerical comparison of heavy‐purge and dual‐reflux strategies in pressure swing adsorption for methane enrichment

G Hu, Y Guo, J Luo, G Xiao, R Weh, KG Li, T Qi… - AIChE …, 2024 - Wiley Online Library
Dual reflux pressure swing adsorption (DR‐PSA) has been regarded as a state‐of‐the‐art
adsorption‐based process which can simultaneously obtain two streams of pure product …

Scalable solvent-free preparation of [Ni3 (HCOO) 6] frameworks for highly efficient separation of CH4 from N2

Y Guo, J Hu, X Liu, T Sun, S Zhao, S Wang - Chemical Engineering Journal, 2017 - Elsevier
Adsorption-based separation of CH 4/N 2 mixture remains challenging. To this end,[Ni 3
(HCOO) 6] frameworks were synthesized by a novel solvent-free method and used as …

Comparative study of binderless zeolites and carbon molecular sieves as adsorbents for CO2 capture processes

A Gutierrez-Ortega, MA Montes-Morán, JB Parra… - Journal of CO2 …, 2022 - Elsevier
CO 2 capture from concentrated sources such as power plants will play an important role in
reducing CO 2 emissions, contributing to climate change mitigation. Adsorption technology …

Experiment and simulation study of a dual-reflux pressure swing adsorption process for separating N2/O2

C Tian, Q Fu, Z Ding, Z Han, D Zhang - Separation and Purification …, 2017 - Elsevier
A dual-reflux pressure swing adsorption (DR-PSA) process using LiLSX zeolite to produce
both high purity and recovery of N 2 and O 2 from mimical air (21% O 2/79% N 2) was …

Nitrogen rejection from methane using dual-reflux pressure swing adsorption with a kinetically-selective adsorbent

G Xiao, TL Saleman, Y Zou, G Li, EF May - Chemical Engineering Journal, 2019 - Elsevier
Dual-reflux pressure swing adsorption (DR PSA) processes using a kinetically nitrogen
selective molecular sieve carbon, MSC-3K 172, were investigated for the removal of …

Enrichment of low-grade methane gas from nitrogen mixture by VPSA with CO2 displacement process: Modeling and experiment

D Qu, Y Yang, Z Qian, P Li, J Yu, AM Ribeiro… - Chemical Engineering …, 2020 - Elsevier
To upgrade efficiently the low-concentration methane gas from nitrogen mixture, CO 2
displacement was employed into the traditional vacuum pressure swing adsorption (VPSA) …

Surface modification on semi-coke-based activated carbon for enhanced separation of CH4/N2

Z Yang, H Ning, J Liu, Z Meng, Y Li, X Ju… - … Research and Design, 2020 - Elsevier
Semi-coke-based activated carbons (SACs) were prepared using semi-coke powders as
raw materials. They were modified by organic reagents (benzene, methyl benzoate, and …