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248 Newest Publications in adsorption

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The effect of small micropores on methane adsorption of coals from Northern China

16-Oct-2012 | Feng-Hua An, Yuan-Ping Cheng, Dong-Mei Wu, Liang Wang, Adsorption, 2012

In this study, the effect of coal micropores on the adsorption properties, especially the Langmuir pressure (P L ), was investigated by testing 11 coal samples from Northern China. The adsorption of CO2 at 273 K was utilized to analyze the pore size distribution. The results of these coals show ...

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Synthesis, characterization, and hydrogen storage study by hydrogen spillover of MIL-101 metal organic frameworks

12-Oct-2012 | Kuen-Song Lin, Abhijit Krishna Adhikari, Yu-Hsien Su, Chia-Wei Shu, Ho-Yang Chan, Adsorption, 2012

MIL-101 is a chromium-based metal organic framework known to adsorb large amount of gases such as H2, CO2 and CH4. The framework was synthesized through solvothermal route and the H2 adsorption capacity was measured using a standard gravimetric method. X-ray absorption spectroscopy was performed ...

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Adsorption of ammonia and water on functionalized edge-rich carbon nanofibers

12-Oct-2012 | Yusuke Takahashi, Hirotaka Fujita, Akiyoshi Sakoda, Adsorption, 2012

The preparation, characterization and ammonia and water adsorption properties of edge-rich carbon nanofibers (CNFs) were studied, including platelet CNFs (PCNFs) and cup-stacked CNFs (CSCNFs). Since PCNFs and CSCNFs have many chemically active exposed edges, functionalization by oxidizing the ...

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Multilayer adsorption equilibrium model for gas adsorption on solids

11-Oct-2012 | Sébastien Thomas, Pierre Schaetzel, Adsorption, 2012

Adaptation of the ENSIC model to physisorption of nitrogen or argon on a solid surface first led to a 3 parameters model called multilayer adsorption equilibrium model (MAE model). One of these parameters is related to the formation of a multilayer of adsorbate on the solid surface. Exploitation ...

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Optimal flushing flow rates in para-xylene simulated moving-bed considering geometric factor of dead volume

10-Oct-2012 | Young-Il Lim, Adsorption, 2012

The complex geometry of dead volume is often modeled into a simplified geometry, but little attention has been paid to how the simplified geometry of dead volume influences one-dimensional (1D) SMB modeling. This study investigated effects of the geometric factor of dead volume on 7-zone ...

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Flux response technology applied in zero length column diffusivity measurements

10-Oct-2012 | Ayodeji Sasegbon, Klaus Hellgardt, Adsorption, 2012

Flux Response Technology (FRT) has been successfully adapted as an in situ perturbation technique in dynamic gas sorption measurements to extract hydrocarbon diffusion coefficients in alumina/CeZrOx washcoats of cordierite monoliths. FRT works by measuring minuscule changes in flowrate between ...

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Adsorption of organics on MSC5A in supercritical CO2, chromatographic measurements & stop & go simulation

04-Oct-2012 | Kazuyuki Chihara, Shingo Ito, Hideaki Nagashima, Mai Hikita, Ryota Suzuki, Adsorption, 2012

Chromatographic measurements were made for the adsorption of benzene, toluene and m-xylene on molecular sieving carbon (MSC) in supercritical fluid CO2 mixed with organics. Supercritical chromatograph packed with MSC was used to detect pulse responses of organics. Adsorption equilibria and ...

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CO2 capture from flue gas by two successive VPSA units using 13XAPG

04-Oct-2012 | Lu Wang, Zhen Liu, Ping Li, Jin Wang, Jianguo Yu, Adsorption, 2012

With the development of novel adsorbent material and adsorption process, adsorption technology has become a potential tool for the CO2 removal from flue gases. The reduction of carbon dioxide emissions from flue gases with two successive vacuum pressure swing adsorption (VPSA) units, using 13XAPG ...

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Regeneration of cobalt-contaminated activated carbon by supercritical carbon dioxide extraction

03-Oct-2012 | Ming-Tsai Liang, Roo-Chien Liang, Chih-Hsiung Lin, Adsorption, 2012

A mixture of Di-(2-ethylhexyl) phosphoric acid (D2EPHA) and n-hexane or methanol is used as the extractant solution for extracting cobalt from activated carbon using supercritical carbon dioxide extraction technology. In this work, a semi-continuous pilot unit of SFE is employed to conduct the ...

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On the description of isotherms of CH4 and C2H4 adsorption on graphite from subcritical to supercritical conditions

02-Oct-2012 | Mus’ab Abdul Razak, D. D. Do, Toshihide Horikawa, Keita Tsuji, D. Nicholson, Adsorption, 2012

Different potential models for methane and ethylene are tested for their suitability for the description of bulk phase behavior, including coexistence, and adsorption on a graphite surface under sub- and super-critical conditions using GCMC simulation. Under sub-critical conditions, those ...

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