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   Articles with "ch4 separation" as a keyword



CO2/CH4 separation using mixed matrix membrane-based polyurethane incorporated with ZIF-8 nanoparticles

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recommendations! Published in 2017 at "Chemical Papers"

DOI: 10.1007/s11696-017-0177-9

Abstract: This study presents using zeolitic imidazolate framework-8 (ZIF-8) as porous filler dispersed phase and polyurethane (PU) as continuous phase to synthesis mixed matrix membranes (MMMs). ZIF-8 nanoparticles were synthesized using centrifugal method. The synthesized nanoparticles… read more here.

Keywords: zif nanoparticles; mixed matrix; separation; zif ... See more keywords
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Highly microporous nitrogen-doped carbons from anthracite for effective CO2 capture and CO2/CH4 separation

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recommendations! Published in 2020 at "Energy"

DOI: 10.1016/j.energy.2020.118561

Abstract: The goal of this study is to develop a cost-efficient carbon adsorbent for effective CO2 capture and CO2/CH4 separation. Using anthracite as the precursor, highly microporous nitrogen-doped (N-doped) carbons are fabricated through a combination of… read more here.

Keywords: nitrogen; co2 capture; co2; co2 ch4 ... See more keywords

Enhancing CO2/CH4 separation performance and mechanical strength of mixed-matrix membrane via combined use of graphene oxide and ZIF-8

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recommendations! Published in 2018 at "Journal of Industrial and Engineering Chemistry"

DOI: 10.1016/j.jiec.2018.06.026

Abstract: Abstract High-performance mixed-matrix membranes that comprise both zeolitic imidazolate framework-8 (ZIF-8) and graphene oxide (GO) were synthesized with a solution casting technique to realize excellent CO2/CH4 separation. The incorporation of ZIF-8 nanocrystals alone in ODPA-TMPDA… read more here.

Keywords: mixed matrix; zif; co2 ch4; membrane ... See more keywords
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Improving gas hydrate-based CH4 separation from low-concentration coalbed methane by graphene oxide nanofluids

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recommendations! Published in 2020 at "Journal of Natural Gas Science and Engineering"

DOI: 10.1016/j.jngse.2020.103212

Abstract: Abstract This paper reports an investigation of using graphene oxide (GO) nanofluids to improve CH4 separation from low-concentration coalbed methane (LCCBM) via gas hydrate formation. The effect of GO nanofluids on LCCBM purification was evaluated… read more here.

Keywords: graphene oxide; gas; separation; hydrate ... See more keywords

High-performance CO2/CH4 separation membrane fabrication with PVAm modified by the MOFs containing amine groups

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recommendations! Published in 2021 at "Journal of Natural Gas Science and Engineering"

DOI: 10.1016/j.jngse.2021.103874

Abstract: Abstract The polyvinylamine (PVAm) was respectively modified by the MOFs (IRMOF-3 and ZIF-8) with amine groups that were characterized by TEM, SEM and XRD. The PVAm-MOFs/polysulfone (mPSf) mixed matrix membranes (MMMs) were fabricated by coating… read more here.

Keywords: pvam; performance; mpsf; ch4 separation ... See more keywords

CO2/CH4 separation performance of ionic-liquid-based epoxy-amine ion gel membranes under mixed feed conditions relevant to biogas processing

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recommendations! Published in 2017 at "Journal of Membrane Science"

DOI: 10.1016/j.memsci.2017.01.016

Abstract: Abstract The CO2/CH4 separation performance under humidified mixed feed conditions relevant to biogas separation is reported for supported, epoxy-amine-based ion gel membranes containing fixed-site amine facilitated CO2 transport carriers. The chemical composition of the ion… read more here.

Keywords: co2; separation performance; ch4 separation; co2 ch4 ... See more keywords
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Vacuum resistance treated ZIF-8 mixed matrix membrane for effective CH4/N2 separation

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recommendations! Published in 2021 at "Separation and Purification Technology"

DOI: 10.1016/j.seppur.2021.118845

Abstract: Abstract CH4/N2 separation, a viable way to purify energy gas and reduce the greenhouse effect, requires the use of highly gas permeable membrane, but acid environment affects the membrane stability. In this work, the ZIF-8@VR… read more here.

Keywords: zif; separation; ch4 separation; vacuum resistance ... See more keywords

Tuning the Pore Environment of MOFs toward Efficient CH4/N2 Separation under Humid Conditions.

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recommendations! Published in 2022 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.2c01156

Abstract: Adsorption separation technology using adsorbents is promising as an alternative to the energy-demanding cryogenic distillation of natural gas (CH4/N2) separation. Although a few adsorbents, such as metal-organic frameworks (MOFs), with high performance for CH4/N2 separation,… read more here.

Keywords: separation humid; ch4; dmof; humid conditions ... See more keywords

Preparation of polybenzoxazole–silica hybrid membranes for CO2/CH4 separation

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recommendations! Published in 2019 at "Polymer Journal"

DOI: 10.1038/s41428-019-0218-z

Abstract: The gas transport properties of novel polybenzoxazole (PBO)–silica hybrid membranes prepared via a sol–gel reaction and different thermal treatment protocols were investigated. The thermal decomposition and glass transition temperatures of the hybrids increased with increasing… read more here.

Keywords: silica hybrid; silica; hybrid membranes; co2 ch4 ... See more keywords

Defect engineering improves CO2/N2 and CH4/N2 separation performance of MOF-801.

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recommendations! Published in 2024 at "Dalton transactions"

DOI: 10.1039/d3dt04009g

Abstract: A defect engineering modification method is reported to improve the CO2/N2 and CH4/N2 separation performance of MOF-801, owing to skeleton shrinkage caused by defect modification, Zr-FA0.5 shows excellent gas separation performance compared with the prototype… read more here.

Keywords: co2 ch4; defect engineering; separation; ch4 separation ... See more keywords

Discovery of a molecular adsorbent for efficient CO2/CH4 separation using a computation-ready experimental database of porous molecular materials

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recommendations! Published in 2025 at "Chemical Science"

DOI: 10.1039/d5sc01532d

Abstract: The development and sharing of computational databases for metal–organic frameworks (MOFs) and covalent organic frameworks (COFs) have significantly accelerated the exploration and application of these materials. Recently, molecular materials have emerged as a notable subclass… read more here.

Keywords: co2 ch4; co2; ch4 separation; molecular materials ... See more keywords