Results 21 to 30 of about 17,357 (50)

Adsorption of Pb(II) by a polyvinylidene fluoride membrane bearing chelating poly(amino phosphonic acid) and poly(amino carboxylic acid) groups

open access: yesAdsorption Science & Technology, 2018
Pb(II) can cause a hazardous effect on ecosystem and public health due to its high biotoxicity. A polyvinylidene fluoride-type membrane bearing both poly(amino phosphonic acid) and poly(amino carboxylic acid) functional groups was fabricated for the ...
Xiuli Wang   +5 more
doaj   +1 more source

A Facile Synthesis and Properties of Graphene Oxide-Titanium Dioxide-Iron Oxide as Fenton Catalyst

open access: yesAdsorption Science & Technology, 2022
Textile industries discharge wastewater in huge amount that contains several toxic contaminants, especially organic dyes. Organic dyes present in wastewater have many adverse effects on environment as well as on living organisms including human beings ...
Bhawana Jain   +6 more
doaj   +1 more source

Studies of the Surface Properties of an MCM-41 Molecular Sieve Using Thermal Analysis and Nitrogen Adsorption Methods

open access: yesAdsorption Science & Technology, 2000
The Q-TG mass loss and first derivative Q-DTG mass loss curves with respect to temperature and time obtained during programmed liquid thermodesorption under quasi-isothermal conditions have been used to study adsorbed layers on and the heterogeneous ...
P. Staszczuk   +2 more
doaj   +1 more source

Langmuir Films of Poly(-Toluidine) and Poly(-Methoxyaniline) at the Water–Air Interface

open access: yesAdsorption Science & Technology, 2007
The behaviour of monomolecular layers prepared on a liquid surface may be considered as a limiting case of adsorption. In the present work, measurements of surface-pressure isotherms have been used to examine the effect of the solvent (tetrahydrofuran ...
Iryna Opaynych   +2 more
doaj   +1 more source

Highly ordered polyaniline as an efficient dye remover

open access: yesAdsorption Science & Technology, 2018
Polyaniline was synthesized by the chemical oxidative polymerization procedure at room temperature employing hydrogen peroxide (H 2 O 2 ) as oxidant and ferrous chloride (FeCl 2 ·2H 2 O) and vanadyl sulphate (VOSO 4 ·H 2 O) as co-catalysts, respectively.
Pinki Chakraborty   +2 more
doaj   +1 more source

Response Surface Methodology for Optimizing Adsorption Process Parameters for Methylene Blue Removal by a Hydrogel Composite

open access: yesAdsorption Science & Technology, 2010
Response surface methodology was employed to optimize the adsorption parameters of Methylene Blue onto a chitosan- g -poly(acrylic acid)/halloysite hydrogel composite with 50% halloysite content.
Yi Liu, Yian Zheng, Aiqin Wang
doaj   +1 more source

Application of Adsorption Microcalorimetry in the Study of Cu(II) Removal Using Magnetic Nanoparticles

open access: yesAdsorption Science & Technology, 2012
The objective of this study was to explain the synthesis of magnetic polymer adsorbent (FePA) nanoparticles coupled with metal-chelating ligands of N-(2-acetamido)iminodiacetic acid (ADA) and their application for the removal of Cu(II) ions ...
Liliana Giraldo   +1 more
doaj   +1 more source

Removal of 2-naphthalenesulfonic acid using novel dual functional weakly basic anion exchange resins from aqueous solution

open access: yesAdsorption Science & Technology, 2019
Two novel weakly basic anion exchange resins BNH and BN2 bearing two different functional groups was fabricated via the two-step amination of chloromethylated polystyrene-divinylbenzene beads with dibutylamine and dimethylamine. The adsorption properties
Yue Sun, Weisheng Zheng, Deqiang Yin
doaj   +1 more source

A Supported Nickel Phthalocyanine Complex as a Selective Catalyst for the Production of Styrene

open access: yesAdsorption Science & Technology, 2002
A nickel phthalocyanine complex (NiPc) supported on bentonite clay (Bihar, India) was used as a selective catalyst for the dehydrogenation of ethylbenzene to styrene. Maximum activity was observed for the catalyst sample containing 1.0 wt% NiPc/bentonite.
Salah A. Hassan   +2 more
doaj   +1 more source

Phosphoric Acid and Steam as Activation Agents for Carbonized Porous Polymer Surfaces

open access: yesAdsorption Science & Technology, 2006
Carbon sorbents derived from the copolymer of 4,4′-bis(maleimidodiphenyl)methane and divinylbenzene are described. The influence of phosphoric acid treatment and the type of carrier gas used in the carbonization process were studied.
M. Sobiesiak   +3 more
doaj   +1 more source

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