Results 31 to 40 of about 226,743 (158)

Adsorption of Phenols on Carbonaceous Materials of Various Origins but of Similar Specific Surface Areas

open access: yesSeparations, 2023
The adsorption of phenol (Ph), 4-chlorophenol (CP), and 4-cresol (MP) from aqueous solutions on three carbonaceous materials of diverse origins but similar specific surface areas was investigated. Vulcan XC72 carbon black (CB), AKP-5 activated coke (AC),
Krzysztof Kuśmierek   +1 more
doaj   +1 more source

Removal of Boron from aqueous solutions by adsorption using fly ash, zeolite and demineralized lignite [PDF]

open access: yes, 2009
In the present study for the purpose of removal of boron from water by adsorption using adsorbents like fly ash, natural zeolite and demineralized lignite was investigated.
Yuksel, Seren   +3 more
core   +2 more sources

Dynamic Surface Tension of Aqueous Solutions of Ionic Surfactants: Role of Electrostatics [PDF]

open access: yes, 2010
The adsorption kinetics of the cationic surfactant dodecyltrimethylammonium bromide at the air-water interface has been studied by the maximum bubble pressure method at concentrations below the critical micellar concentration.
Andelman, David   +3 more
core   +2 more sources

Study of Equilibrium and Kinetics of Pb(II) in Solution Using Persimmon Tannin Gel as an Adsorbent

open access: yesJurnal Kimia Sains dan Aplikasi, 2019
Heavy metals concentrations exceeding the recommended threshold are hazardous for the environment, so there is a need for handling it safely. The purpose of this research was to determine the adsorption capacity and kinetics of adsorption.
Thamrin Azis   +3 more
doaj   +1 more source

Microwave-assisted synthesis of amphoteric fluorescence carbon quantum dots and their chromium adsorption from aqueous solution

open access: yesScientific Reports, 2023
The chromium adsorption behavior from aqueous solution by the amphoteric Janus nitrogen-doped carbon quantum dots (AJ–N–CQDs) was investigated.
Hebat-Allah S. Tohamy   +2 more
doaj   +1 more source

Sorption of Perfluorochemicals to Granular Activated Carbon in the Presence of Ultrasound [PDF]

open access: yes, 2011
Perfluorochemicals (PFCs) are emerging pollutants of increasing public health and environmental concern due to their worldwide distribution, environmental persistence, and bioaccumulation potential.
Cheng, Jie   +3 more
core   +2 more sources

Removal of basic yellow cationic dye by an aqueous dispersion of Moroccan stevensite [PDF]

open access: yes, 2013
The aim of this study was to investigate the adsorption of basic yellow, a cationic dye, from aqueous solution by natural stevensite, with 104m2/g of specific surface area. The kinetics and the effects of several experimental parameters such as the pH of
Ajbary, Mohamed   +3 more
core   +1 more source

Preparation and characterization of nano-hydroxyapatite and its competitive adsorption kinetics of copper and lead ions in water

open access: yesNanomaterials and Nanotechnology, 2016
In this work, microemulsion and hydrothermal methods were combined to synthesize hydroxyapatite nanomaterials. Competitive adsorption kinetics of aqueous Pb 2+ and Cu 2+ on nano-hydroxyapatite surfaces were investigated by performing adsorption kinetic ...
Yujia Song   +3 more
doaj   +1 more source

Potentiality of banana peel for removal of Congo red dye from aqueous solution: isotherm, kinetics and thermodynamics studies

open access: yesApplied Water Science, 2018
Potentiality of fruit peel (banana peel) was evaluated by adsorption of Congo red (CR) dye from aqueous solution. The adsorption study was performed by varying operating variables such as pH, initial concentration of CR, adsorbent dose, contact time and ...
Naba Kumar Mondal, Sumana Kar
doaj   +1 more source

Study of the Adsorption Thermodynamics and Kinetics of Lipoic Acid onto Three Types of Resin

open access: yesAdsorption Science & Technology, 2004
The adsorption of lipoic acid on three different types of resin was compared. Studies of the adsorption thermodynamics and kinetics of lipoic acid onto XAD-4, NDA-100 and ND-90 resins were carried out via static experiments.
Wei Ruixia   +5 more
doaj   +1 more source

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