Results 1 to 10 of about 17,357 (50)

Adsorption behaviors on trace Pb from water of biochar adsorbents from konjac starch

open access: yesAdsorption Science & Technology, 2020
Biochar adsorbents used to treat different heavy metals in water are efficient and low-cost. Appropriate raw materials, excellent selectivity and detailed adsorption mechanism are of important for research on biochar adsorbents.
Yinhui Li, Longfei Peng, Weixin Li
doaj   +1 more source

Liquid CO phase transition fracturing technology and its application in enhancing gas drainage of coal mines

open access: yesAdsorption Science & Technology, 2020
Liquid CO 2 phase transition fracturing (LCO 2 -PTF) is an effective and economical technology used to improve the permeability of rock and coal. In this study, the working mechanisms of LCO 2 -PTF were analysed and relevant equipment was designed to ...
Yingchun Fan   +5 more
doaj   +1 more source

Multi-factor controls on initial gas production pressure of coalbed methane wells in Changzhi-Anze block, Central-Southern of Qinshui Basin, China

open access: yesAdsorption Science & Technology, 2020
Adsorption and desorption of coalbed methane are generally at a dynamic equilibrium state under the undisturbed coal reservoir. However, as the reservoir pressure drops to a certain value during the extraction of coalbed methane, the equilibrium state is
Yang Zhao   +5 more
doaj   +1 more source

Calculating the absolute adsorption of high-pressure methane on shale by a new method

open access: yesAdsorption Science & Technology, 2020
Currently, many adsorption experiments of methane on shale have been done to understand adsorption characteristics of methane on shale, but those experiments’ pressure and temperature are far less than reservoir pressure and temperature; therefore, we ...
Luo Zuo, Tingxue Jiang, Haitao Wang
doaj   +1 more source

Thiol-Functionalized Mesoporous Carbons as Adsorbents of Heavy-Metal Ions

open access: yesAdsorption Science & Technology, 2015
Ordered mesoporous carbon has been obtained by hard templating using SBA-15 and subsequently, oxidized (by treatment with ammonium persulphate) and thiol-functionalized (by treatment with thiol-contained polyhedral oligomeric silsesquioxane).
Katarzyna Michalak-Zwierz   +5 more
doaj   +1 more source

Hybrid C18-Bonded Silica Phases: Application in Acetaminophen Adsorption

open access: yesAdsorption Science & Technology, 2007
Hybrid silicas bearing octadecylsilane ligands and Lewis acid centres were synthesized by grafting and sol-gel methods. In grafting, Cp 2 ZrCl 2 was employed, while ZrCl 4 was used in the sol-gel method. A very low grafted metal content (ca.
Carolina Feier Pinto   +3 more
doaj   +1 more source

Adsorption and Movement of Cypermethrin on Indian Soils Amended with Cationic, Non-Ionic and Anionic Surfactants

open access: yesAdsorption Science & Technology, 2004
Laboratory studies were conducted to determine the adsorption and movement of cypermethrin on surfactant-free (natural) and surfactant-amended soils at different micelle concentrations (below the CMC, at the CMC and above the CMC) using batch equilibrium
R.P. Singh, Ritu Singh
doaj   +1 more source

Adsorption of Lead Ions from Aqueous Solution onto Activated Carbon and Chemically-Modified Activated Carbon Prepared from Date Pits

open access: yesAdsorption Science & Technology, 2004
Date pits, i.e. agricultural wastes, were converted into activated carbon by air and phosphoric acid activation. The surfaces of some of the prepared activated carbons were modified chemically using 8-hydroxyquinoline.
Mohamed Abdulkarim, Fahmi Abu Al-Rub
doaj   +1 more source

Comparing adsorption of bisphenol A and similar compounds in aqueous solution by syringe filters

open access: yesAdsorption Science & Technology, 2017
Analyte loss during syringe filtration is often overlooked in quantitative analyses. Bisphenol A and similar compounds are being extensively examined for their toxicity.
Nathaniel Godby, Alfred Conklin
doaj   +1 more source

Adsorption of Lead(II) Ions on Transcarpathian Clinoptilolite

open access: yesAdsorption Science & Technology, 2001
The adsorption of lead(II) ions on the natural forms of Transcarpathian zeolite under static and dynamic conditions was investigated. Partial conversion of inactive calcium ions in the zeolite into relatively more mobile sodium or ammonium ions resulted ...
V.I. Gomonaj   +5 more
doaj   +1 more source

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