Adsorption

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Chemically activated Ipomoea carnea as an adsorbent for the copper sorption from synthetic solutions
Adsorption - Tập 16 - Trang 75-84 - 2010
Michael Angelo Miranda, P. Dhandapani, M. Helen Kalavathy, Lima Rose Miranda
An indigenously prepared zinc chloride activated Ipomoea carnea (morning glory), a low-cost and abundant adsorbent, was used for removal of Cu(II) ions from aqueous solutions in a batch adsorption system. The chemical activating agent ZnCl2 was dissolved in deionised water and then added to the adsorbent in two different ratios 1:1 and 1:0.5 adsorbent to activating agent ratio by weight. Studies w...... hiện toàn bộ
Development of a New Effective Biogas Adsorption Storage Technology
Adsorption - Tập 11 - Trang 899-904 - 2005
Shuji Himeno, Toshiya Komatsu, Shoichi Fujita
In this study, we report a new effective sludge-digestion gas (biogas) adsorption storage technology. The experimental data of the pure and binary adsorption equilibrium of methane and carbon dioxide, which are the main components of the biogas, on five types of activated carbons at a temperature range of 273–333 K and pressures up to 6 MPa, were measured. Pure isotherms were fitted with the Toth ...... hiện toàn bộ
Fundamental studies of gas sorption within mesopores situated amidst an inter-connected, irregular network
Adsorption - - 2008
Sean P. Rigby, Peter I. Chigada, Emily Louise Perkins, Matthew J. Watt-Smith, John P. Lowe, Karen J. Edler
CO2 adsorption on zeolite X/activated carbon composites
Adsorption - Tập 18 - Trang 503-510 - 2012
Jinghong Ma, Chengming Si, Yixiao Li, Ruifeng Li
Two series of zeolite X/activated carbon composites with different ratios of zeolite and activated carbon were prepared through a combination process of CO2 activation of the mixtures of elutrilithe and pitch and subsequent hydrothermal crystallization in alkaline solution. An additional surface modification was achieved in diluted NH4Cl solution. CO2 and N2 uptakes on the composites before and af...... hiện toàn bộ
Dimensional stability of adsorbents subjected to thermal cycling
Adsorption - Tập 20 - Trang 409-416 - 2013
Mark W. Ackley, Steven J. Pontonio
The dimensional stability of adsorbent beads subjected to varying temperature conditions must be understood to assess the effect of thermal cycling on both the adsorbent and the structure that contains it. Most of the literature on the coefficient of thermal expansion (CTE) of adsorbents relates to zeolite crystals or clusters of crystals with application to membranes. Such crystals or powder mate...... hiện toàn bộ
High temperature adsorption of CO2 on various hydrotalcite-like compounds
Adsorption - Tập 14 - Trang 781-789 - 2008
Nick D. Hutson, Brian C. Attwood
A study was conducted to describe and quantify how substitution of the divalent cation and interlayer charge compensating anions affect the CO2 adsorptive capacity of various hydrotalcite-like compounds (HTlcs). Physical and chemical properties of the HTlcs were evaluated using a number of methods and the CO2 adsorption rate and capacity were measured at elevated temperature (603 K). The results s...... hiện toàn bộ
Studied on the interaction between Ag-DNA nanocomposites and lipids monolayers
Adsorption - Tập 26 - Trang 1345-1353 - 2020
Hongjin Qu, Changchun Hao, Zhiqiong Yin, Hengyu Liu, Ziyi Zhang, Runguang Sun
The adsorption behavior of AgNPs-DNA nanocomposites on 1,2-dimyristoyl-sn-glycero-3-phosphocholine (DMPC) and 1,2-dimyristoyl-sn-glycero-3-phosphoserine (DMPS) lipid monolayers has been investigated by analyzing adsorption dynamic process, surface pressure-area isotherms (π-A), excess mean area ( $${\Delta \mathrm{A}}_{\mathrm{e}\mathrm{x}\mathrm{c}}$$ ), excess Gibbs free energy ( $$\Delta {\mat...... hiện toàn bộ
Dynamic desorption of CO2 and CH4 from amino-MIL-53(Al) adsorbent
Adsorption - Tập 19 - Trang 1235-1244 - 2013
Sunil A. Peter, Gino V. Baron, Jorge Gascon, Freek Kapteijn, Joeri F. M. Denayer
Dynamic adsorption–desorption measurements of CO2 and CH4 in amino-MIL-53(Al) were carried out in an adsorption breakthrough setup at different temperatures (303, 318, and 333 K) and pressures (1, 5, and 30 bar) to study the desorption dynamics of CO2 in amino-MIL(Al) as it plays an important role in the design of pressure swing adsorption (PSA) process for the upgrading of biogas. 13X zeolite was...... hiện toàn bộ
Uptake/release of vancomycin on/from Mg–Al layered double hydroxides
Adsorption - Tập 25 - Trang 1349-1360 - 2019
Nicolas A. Lopez, Carina V. Luengo, Marcelo J. Avena
For several decades antimicrobial resistance has been a growing threat to the effective treatment of infections, so it is necessary to focus on a rational and effective use of the antibiotics already available. The development of new materials for controlled release of drug is a topic of high priority. Vancomycin (VAN) is a glycopeptide antibiotic used to treat infections caused by gram positive b...... hiện toàn bộ
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