The development of adsorption technology

Thomas, W.J.; Crittenden, Barry

doi:10.1016/b978-075061959-2/50002-1

Cited by 68 publications

(88 citation statements)

References 1 publication

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“…There are several pristine works that explain this phenomenon in detail [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18]. Adsorbents are porous solids, preferably having a large surface area per unit mass.…”

Section: Introductionmentioning

confidence: 99%

Advances in Pressure Swing Adsorption for Gas Separation

Grande

2012

ISRN Chemical Engineering

186

108

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Pressure swing adsorption (PSA) is a well-established gas separation technique in air separation, gas drying, and hydrogen purification separation. Recently, PSA technology has been applied in other areas like methane purification from natural and biogas and has a tremendous potential to expand its utilization. It is known that the adsorbent material employed in a PSA process is extremely important in defining its properties, but it has also been demonstrated that process engineering can improve the performance of PSA units significantly. This paper aims to provide an overview of the fundamentals of PSA process while focusing specifically on different innovative engineering approaches that contributed to continuous improvement of PSA performance.

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Section: Introductionmentioning

confidence: 99%

Advances in Pressure Swing Adsorption for Gas Separation

Grande

2012

ISRN Chemical Engineering

186

108

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“…Obviously this P ads cannot be spontaneously released and must remain bound. Upon a rise of the temperature, the strength of adsorption decreases: at a high enough temperature, every species is desorbed [6]. By heating we can therefore obtain the searched-for high energy product P. In the following step we let P fall back to R, and use their difference in free energy to perform external work.…”

Section: Chemistry and Chemical Engineeringmentioning

confidence: 99%

“…Temperature controlled adsorption-desorption cycles have been described and are widely applied [1,6]. In the proposed 'sorption heat engine' (SHE), adsorption at low temperature with release of heat is followed by desorption at high temperature with uptake of heat (Figs 1 and 2).…”

Section: Physics and Thermal Engineeringmentioning

confidence: 99%

“…There is also a wide choice of adsorbents. Clay, zeolites, activated carbons, silica gel, and alumina (bauxite) are commonly used [1][2][3][4][5][6], and for special purposes specific minerals or materials may be more suitable.…”

Section: Physics and Thermal Engineeringmentioning

confidence: 99%

“…The proposed sorption heat engine is based on adsorption and desorption, which are of large practical importance [1][2][3][4][5][6] but receive scant notice outside physics and engineering. The engine works by desorption at high temperature, with concomitant uptake of heat, and release of the adsorbate at high pressure (Figs 1-2).…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Sorption heat engines: Simple inanimate negative entropy generators

Muller

Schulze‐Makuch

2006

Physica A: Statistical Mechanics and its Applications

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The name 'sorption heat engines' is proposed for simple negative entropy generators that are driven by thermal cycling and work on alternating adsorption and desorption. These generators are in general not explicitly recognized as heat engines. Their mechanism is applicable to the fields of engineering, physics, chemistry, geology, and biology, in particular the origin of life. Four kinds of sorption heat engines are distinguished depending on the occurrence of changes in the adsorbent or adsorbate during the thermal cycle.

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A short review on recent advances in porous adsorbents for separation of oxygen from atmospheric air

Shrotri

Niphadkar

Bokade

et al. 2023

Asia-Pacific J Chem Eng

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Pure oxygen demand is continuously increasing worldwide due to wide applications including medical and industrial. Pressure swing adsorption (PSA) is one of the promising techniques to separate O 2 from atmospheric air. The porous solid adsorbent is a key element in the PSA to trap nitrogen (N 2 ) and release O 2 . Several adsorbents including low silica X (LSX), zeolite 5A, ionexchanged LSX (Li-LSX, AgLi-LSX, Ca-LSX), Engelhard titanosilicate (Na-ETS-10, Ag-ETS-10), and SSZ-13 have been investigated for adsorption of N 2 from the air. This review article is a summarization of recent research work published on O 2 separation using different porous adsorbents via PSA. This review also emphasizes on the best porous sorbent for purification of O 2 by sorption of N 2 and Ar. The adsorption capacities with experimental conditions are also rigorously discussed. The review also proposed future trends and prospects for O 2 separation. This review will be helpful to choose remarkable adsorbent for the generation pure O 2 .

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The development of adsorption technology

Cited by 68 publications

References 1 publication

Advances in Pressure Swing Adsorption for Gas Separation

Advances in Pressure Swing Adsorption for Gas Separation

Sorption heat engines: Simple inanimate negative entropy generators

A short review on recent advances in porous adsorbents for separation of oxygen from atmospheric air

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