Results 1 to 10 of about 122,499 (296)

Removal of Pyrethrin from Aqueous Effluents by Adsorptive Micellar Flocculation

open access: yesJournal of Chemistry, 2015
The equilibrium adsorption of pyrethrin onto aggregates formed by the flocculation of micelles of the surfactant sodium dodecyl sulphate (SDS) with aluminium sulphate is reported.
Pardon K. Kuipa, Olga Kuipa
doaj   +1 more source

Adsorption isotherms of charged nanoparticles [PDF]

open access: yesSoft Matter, 2016
We present theory and simulations which allow us to quantitatively calculate the amount of surface adsorption excess of charged nanoparticles onto a charged surface. The theory is very accurate for weakly charged nanoparticles and can be used at physiological concentrations of salt.
Santos, Alexandre P. dos   +3 more
openaire   +3 more sources

Numerical Simulation of Gas Production from Gas Shale Reservoirs—Influence of Gas Sorption Hysteresis

open access: yesEnergies, 2019
The true contribution of gas desorption to shale gas production is often overshadowed by the use of adsorption isotherms for desorbed gas calculations on the assumption that both processes are identical under high pressure, high temperature conditions ...
Jamiu M. Ekundayo, Reza Rezaee
doaj   +1 more source

Determination of the Specific Surface Areas of Non-Porous and Macroporous Carbons

open access: yesAdsorption Science & Technology, 2001
The current work is focused on the examination of a new method for the determination of the specific surface areas of non-porous and macroporous carbons from gas adsorption isotherms.
J. Choma, M. Jaroniec
doaj   +1 more source

On the use of the IAST method for gas separation studies in porous materials with gate-opening behavior

open access: yes, 2018
Highly flexible nanoporous materials, exhibiting for instance gate opening or breathing behavior, are often presented as candidates for separation processes due to their supposed high adsorption selectivity.
Boutin, Anne   +3 more
core   +3 more sources

Monte Carlo simulation of metal deposition on foreign substrates

open access: yes, 2008
The deposition of a metal on a foreign substrate is studied by means of grand canonical Monte Carlo simulations and a lattice-gas model with pair potential interactions between nearest neighbors.
A.J. Ramirez-Pastor   +27 more
core   +1 more source

Adsorption Thermodynamics of Methyl Orange from Aqueous Solution onto a Hyper-Cross-Linked Polystyrene Resin Modified with Phenolic Hydroxy Groups

open access: yesAdsorption Science & Technology, 2010
A novel hyper-cross-linked polystyrene resin, HJ-P01, was prepared and its structure characterized via nitrogen adsorption/desorption isotherms, its residual chlorine content and its Fourier-transform infrared (FT-IR) spectrum.
Jianhan Huang
doaj   +1 more source

New insights on microscopic properties of metal-porphyrin complexes attached to quartz crystal sensor

open access: yesScientific Reports, 2021
A quartz crystal adsorbent coated with 5,10,15,20-tetrakis(4-methylphenyl) porphyrin was used to examine the complexation phenomenon of three metallic ions [aluminum(III), iron(III) and indium(III)].
Haifa Alyousef   +4 more
doaj   +1 more source

Adsorption of cadmium and copper in representative soils of Eastern Amazonia, Brazil

open access: yesSemina: Ciências Agrárias, 2016
Studies of heavy metals adsorption in soil play a key role in predicting environmental susceptibility to contamination by toxic elements. The objective of this study was to evaluate cadmium (Cd) and copper (Cu) adsorption in surface and subsurface soil ...
Deyvison Andrey Medrado Gonçalves   +5 more
doaj   +1 more source

Effect of the surfactant benzalkonium chloride in the sorption of paraquat and cadmium on montmorillonite [PDF]

open access: yes, 2014
Pesticides, heavy metals and surfactants can share the same region or site in the environment and thus they may compete for the surface of minerals. A competitive study of the adsorption between the cationic surfactant benzalkonium chloride (BAC) with ...
Etcheverry, Mariana   +3 more
core   +1 more source

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