02-10-2012 | Tongbao Wang, Lin Liang, Runwei Wang, Yanqiu Jiang, Kaifeng Lin, Jianmin Sun, Adsorption, 2012

Carbon materials such as activated carbons have been used in the field of water and wastewater treatments. However, the lack of mesopore and, particularly, the difficulty in recovering the spent carbon limited their applications. In this work, magnetic mesoporous carbon microspheres were ...

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01-10-2012 | Masoud Mofarahi, Seyyed Milad Salehi, Adsorption, 2012

Pure and binary adsorption equilibrium data of ethylene and ethane on zeolite 5A were collected with a volumetric method for the temperature range 283 K to 323 K and pressure up to 950 kPa. The applicability of the binary adsorption prediction by the vacancy solution theory (VST) was ...

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01-10-2012 | Shiyou Hao, Jing Zhang, Yijun Zhong, Weidong Zhu, Adsorption, 2012

Amino-functionalized silica spheres with centrosymmetric radial mesopores and high amino loading were synthesized using the anionic surfactant N-lauroylsarcosine sodium (Sar-Na) as template and 3-aminopropyltrimethoxysilane (APTMS) as co-structure directing agent (CSDA) by an orthogonal ...

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29-09-2012 | Hui Sun, Benxian Shen, Adsorption, 2012

Coking, deactivation, and regeneration of 5A zeolite during 1-hexene adsorption were studied on a fixed-bed adsorber and a themogravimetric analyzer. Adsorption activity measurement, scanning electron microscope (SEM) analysis, X-ray diffraction (XRD) analysis, FT-IR analysis, 1H NMR ...

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29-09-2012 | Jingyi Zhang, Baoyou Shi, Tao Li, Dongsheng Wang, Adsorption, 2012

Source water pollution by agricultural chemicals poses great threat to drinking water safety and the removal of such contaminants is a challenge to the water treatment industry. In this work, the adsorption behaviors of methyl parathion (MP) from different natural waters onto different kinds ...

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27-09-2012 | Shou-Heng Liu, Wei-Che Hsiao, Wun-Hu Sie, Adsorption, 2012

Tetraethylenepentamine (TEPA)-modified mesocellular silica foams (MSFs) were fabricated via physical impregnation (MSF-T-x) and chemical grafting (MSF-CT-y) methods. The CO2 adsorption on these TEPA-modified MSFs was measured by using microbalances at 348 K and their adsorption capacities ...

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21-09-2012 | Chuncai Yao, Adsorption, 2012

A new intraparticle mass transfer rate model for cyclic adsorption and desorption in a slab, cylinder or sphere is proposed on the basis of the asymptotic behaviors of the adsorption rate for short and long cycle periods. Through comparison with the exact solution and the linear driving force ...

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21-09-2012 | Huan-Ping Chao, Chung-Cheng Chang, Adsorption, 2012

Three types of agricultural waste, citrus maxima peel (CM), passion fruit shell (PF) and sugarcane bagasse (SB), were used to produce biosorbents for removing the heavy metal ions of copper(II), cadmium(II), nickel(II) and lead(II) from a pH 5.0 solution. The properties of biosorbents were ...

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20-09-2012 | J. Cousin Saint Remi, G. Baron, J. Denayer, Adsorption, 2012

A conceptual adsorption process for the recovery and purification of biobutanol is proposed. Different porous materials are tested on their ability to perform the adsorptive separations relevant to the process. The metal-organic framework ZIF-8, silicalite zeolite and active carbon were ...

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20-09-2012 | Lisa Joss, Marco Mazzotti, Adsorption, 2012

This study aims at highlighting the importance of an accurate characterization of the extra-column volume (ECV) and presents an experimental and computational protocol based on the characterization of the extra-column volume in terms of step-response experiments performed under various flow ...

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