Articles with "co2 ch4" as a keyword



Development of ethanolamine‐based ionic liquid membranes for efficient CO2/CH4 separation

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Published in 2017 at "Journal of Applied Polymer Science"

DOI: 10.1002/app.45395

Abstract: This study is focused on the development of ionic liquids (ILs) based polymeric membranes for the separation of carbon dioxide (CO2) from methane (CH4). The advantage of ILs in selective CO2 absorption is that it… read more here.

Keywords: separation; liquid membranes; ionic liquid; co2 ch4 ... See more keywords

A comprehensive review of molecular dynamics simulation on the replacement characteristics and mechanism of CO2‐CH4 hydrate in porous media systems

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Published in 2024 at "Greenhouse Gases: Science and Technology"

DOI: 10.1002/ghg.2292

Abstract: Natural gas hydrate (NGH), is a new green‐sustainable energy source, and the process of recovering CH4 from NGH by replacing CO2 is regarded as an advantageous way to mine NGH. However, improving the replacement efficiency… read more here.

Keywords: ch4 hydrate; co2 ch4; replacement;

Sources and sinks of CO2 and CH4 in siliciclastic subterranean estuaries

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Published in 2019 at "Limnology and Oceanography"

DOI: 10.1002/lno.11131

Abstract: Anthropogenic production of greenhouse gases (GHGs) has intensified the need to constrain estimates of natural atmospheric sources from both terrestrial and marine systems. Estuaries are known sources of carbon dioxide (CO2) and methane (CH4); however,… read more here.

Keywords: co2 ch4; sources sinks; subterranean estuaries; production ... See more keywords

Highly Active, Durable Ultrathin MoTe2 Layers for the Electroreduction of CO2 to CH4.

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Published in 2018 at "Small"

DOI: 10.1002/smll.201704049

Abstract: The electroreduction of CO2 to CH4 is a highly desirable, challenging research topic. In this study, an electrocatalytic system comprising ultrathin MoTe2 layers and an ionic liquid electrolyte for the reduction of CO2 to methane… read more here.

Keywords: mote2 layers; electroreduction co2; ultrathin mote2; co2 ch4 ... See more keywords
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Annual and seasonal cycles of CO2 and CH4 in a Mediterranean Spanish environment using different kernel functions

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Published in 2019 at "Stochastic Environmental Research and Risk Assessment"

DOI: 10.1007/s00477-019-01655-5

Abstract: AbstractThis paper is based on CO2 and CH4 semi-hourly mole fraction measurements obtained at the Low Atmosphere Research Centre (CIB) between 2010 and 2016 using a Picarro G1301 analyser. The main aims of the study… read more here.

Keywords: term; kernel functions; co2 ch4; different kernel ... See more keywords

Binary and ternary adsorption equilibria for CO2/CH4/N2 mixtures on Zeolite 13X beads from 273 to 333 K and pressures to 900 kPa

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Published in 2018 at "Adsorption"

DOI: 10.1007/s10450-018-9952-3

Abstract: Reliable adsorption equilibrium data and theoretical models for their accurate representation are crucial to the design of any adsorption based separation. The adsorption equilibria of carbon dioxide, methane and nitrogen are particularly important to the… read more here.

Keywords: adsorption; binary ternary; gas; zeolite 13x ... See more keywords

Adsorption selectivity of CO2 over CH4, N2 and H2 in melamine–resorcinol–formaldehyde xerogels

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Published in 2020 at "Adsorption"

DOI: 10.1007/s10450-020-00203-w

Abstract: Sorptive selectivity of melamine–resorcinol–formaldehyde xerogels, towards CO2, CH4, N2 and H2, is reported, where all systems demonstrate potential for selective adsorption of CO2 from corresponding binary gas mixtures. Selected gas mixtures represent important gas separation… read more here.

Keywords: adsorption; gas; co2; melamine resorcinol ... See more keywords

Breakthrough analysis of the CO2/CH4 separation on electrospun carbon nanofibers

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Published in 2024 at "Adsorption"

DOI: 10.1007/s10450-023-00435-6

Abstract: The removal of the main impurity CO2 is a crucial step in biogas upgrading. In this work, the separation of CO2 from CH4 on electrospun polyacrylonitrile-based carbon nanofibers (CNFs) is investigated using breakthrough experiments. The… read more here.

Keywords: co2 ch4; ch4; adsorption; cnfs prepared ... See more keywords
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Thermodynamic Calculations of the Critical Points of the H2–CO2–CH4–CO–H2O System

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Published in 2020 at "International Journal of Thermophysics"

DOI: 10.1007/s10765-020-02725-5

Abstract: Knowledge of the stability limit and critical point of the H2–CO2–CH4–CO–H2O system is significant for the management and optimization of the gasification systems of organic substances in supercritical water. We report thermodynamic calculations of the… read more here.

Keywords: system; critical points; co2 ch4; h2o system ... See more keywords

Performance evaluation of a synthesized and characterized Pebax1657/PEG1000/γ-Al2O3 membrane for CO2/CH4 separation using response surface methodology

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Published in 2017 at "Journal of Polymer Research"

DOI: 10.1007/s10965-017-1228-1

Abstract: In this work, the response surface methodology (RSM) based on the central composite design (CCD) was used to examine effects of different gamma alumina (γ-Al2O3) loadings (0 to 8 wt.%) and various polyethylene glycol 1000 (PEG1000)… read more here.

Keywords: methodology; co2; peg1000; co2 ch4 ... See more keywords
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Spatial distribution of greenhouse gases (CO2 and CH4) on expressways in the megacity Shanghai, China

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Published in 2020 at "Environmental Science and Pollution Research"

DOI: 10.1007/s11356-020-09372-1

Abstract: Carbon dioxide (CO2) and methane (CH4) are the two major greenhouse gases (GHGs) in the atmosphere that contribute to global warming. Vehicle emissions on expressways cannot be neglected in the megacity Shanghai because oil accounts… read more here.

Keywords: megacity shanghai; greenhouse gases; road; ch4 ... See more keywords