Articles with "carbon molecular" as a keyword



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Synthesis of carbon molecular sieve microspheres via amino phenolic resin as precursor formed from in-situ reaction composite micelles

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Published in 2017 at "Journal of Porous Materials"

DOI: 10.1007/s10934-017-0549-0

Abstract: The carbon molecular sieve microspheres (CMSm) is one kind of porous carbonaceous materials. Owing to its high surface area and stability, CMSm have been attracted immense attention in various fields. In this study, the CMSm… read more here.

Keywords: molecular sieve; situ reaction; carbon molecular; sieve microspheres ... See more keywords
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Preparation and characterization of novel carbon molecular sieve membrane/PSSF composite by pyrolysis method for toluene adsorption

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Published in 2019 at "Frontiers of Chemical Science and Engineering"

DOI: 10.1007/s11705-019-1827-y

Abstract: Carbon molecular sieve membrane (CMSM)/paper-like stainless steel fibers (PSSF) has been manufactured by pyrolyzing poly (furfuryl alcohol) (PFA) coated on the metal fibers. PFAwas synthesized using oxalic acid dihydrate as a catalyst and coated on… read more here.

Keywords: pssf; adsorption; temperature; pyrolysis ... See more keywords
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The gas separation performance adjustment of carbon molecular sieve membrane depending on the chain rigidity and free volume characteristic of the polymeric precursor

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Published in 2019 at "Carbon"

DOI: 10.1016/j.carbon.2018.11.037

Abstract: Abstract Carbon molecular sieve membranes (CMSMs) are regarded as promising membranes for gas separation due to its high gas separation performance. Polyimide (ODPA-FDA) precursor films were prepared and characterized for the formation of carbon molecular… read more here.

Keywords: spectroscopy; molecular sieve; precursor; carbon molecular ... See more keywords
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Practical separation performance evaluation of coal mine methane upgrading with carbon molecular sieves

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Published in 2019 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2019.02.134

Abstract: Abstract Upgrading coal mine methane (CMM) with adsorption method is an effective way to enhance the energy utilizing efficiency and reduce greenhouse gas emissions. In this work, adsorption equilibrium and kinetics of CH 4 ,… read more here.

Keywords: separation; coal mine; adsorption; mine methane ... See more keywords
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Separation of CO2/CH4 using carbon molecular sieve (CMS) at low and high pressure

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Published in 2017 at "Chemical Engineering Science"

DOI: 10.1016/j.ces.2017.01.071

Abstract: Abstract Separation of CO 2 from CH 4 -rich streams is an important separation for upgrading biogas and natural gas. The main difference between these two sources of methane is the pressure at which they… read more here.

Keywords: sieve cms; molecular sieve; separation; carbon molecular ... See more keywords
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Investigation of the attapulgite hybrid carbon molecular sieving membranes for permanent gas separation

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Published in 2019 at "Chemical Engineering Research and Design"

DOI: 10.1016/j.cherd.2019.09.011

Abstract: Abstract Carbon molecular sieving (CMS) membranes with enhanced separation performance were prepared from polyimide incorporated with attapulgite (ATP). The membranes were characterized by thermogravimetry, Fourier transform infrared spectroscopy, scanning electron microscope and X-ray diffraction. The… read more here.

Keywords: gas separation; cms membranes; separation; carbon molecular ... See more keywords
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Carbon molecular sieve production from defatted spent coffee ground using ZnCl2 and benzene for gas purification

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Published in 2020 at "Fuel"

DOI: 10.1016/j.fuel.2020.118183

Abstract: Abstract The aim of the current study is to manufacture molecular sieve from the defatted spent coffee ground. The defatted spent coffee ground for the specified particle size (100 μm) was chemically activated with different agents… read more here.

Keywords: spent coffee; coffee ground; defatted spent; sieve ... See more keywords
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Kinetics of spontaneous water-N2 imbibition in carbon molecular sieves.

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Published in 2019 at "Journal of colloid and interface science"

DOI: 10.1016/j.jcis.2018.09.083

Abstract: In this study, a new kinetic model of spontaneous liquid-gas imbibition (SLGI) for microporous adsorbents has been developed. With three carbon molecular sieves (CMS) as adsorbents, N2 as gas probe and water as liquid probe,… read more here.

Keywords: kinetics spontaneous; water; imbibition; molecular sieves ... See more keywords
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Ultraselective carbon molecular sieve membrane for hydrogen purification

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Published in 2020 at "Journal of Energy Chemistry"

DOI: 10.1016/j.jechem.2020.03.008

Abstract: Abstract Hydrogen is a green clean fuel and chemical feedstock. Its separation and purification from hydrogen-containing mixtures is the key step in the production of hydrogen with high purity (>99.99%). In this work, carbon molecular… read more here.

Keywords: hydrogen purification; hydrogen; carbon molecular; purification ... See more keywords
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Ultra-thin and high hydrogen permeable carbon molecular sieve membrane prepared by using polydopamine as carbon precursor

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Published in 2021 at "Materials Letters"

DOI: 10.1016/j.matlet.2021.129863

Abstract: Abstract Carbon molecular sieve membranes (CMSMs) have attracted much attention because of its high stability. Attributing to its non-toxic, excellent adhesion and high carbon yield, polydopamine is a promising carbon precursor for the fabrication of… read more here.

Keywords: ultra thin; carbon precursor; molecular sieve; carbon molecular ... See more keywords
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Cause and effects of hyperskin features on carbon molecular sieve (CMS) membranes

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Published in 2018 at "Journal of Membrane Science"

DOI: 10.1016/j.memsci.2018.01.021

Abstract: Abstract This article considers a previously overlooked feature in carbon molecular sieve (CMS) membranes that we term a “hyperskin” present at the outermost region of dense CMS selective layers. Such a feature with much lower… read more here.

Keywords: effects hyperskin; cms; cms membranes; sieve cms ... See more keywords