Results 41 to 50 of about 131,158 (306)

Adsorption of Crystal Violet Dye onto Tamarind Seed Powder

open access: yesE-Journal of Chemistry, 2010
The present investigation describes adsorption of crystal violet dye from its aqueous solution onto tamarind (Tamarindus indica) fruit shell powder. Initial concentration, agitation speed and pH with various temperature have been studied, in which pH was
Himanshu Patel, R. T. Vashi
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

Study of Adsorption-Desorption on Batik Industrial Dyes (Naphthol Blue Black) on Magnetite Modified Humic Acid (HA-Fe3O4)

open access: yesJurnal Kimia Sains dan Aplikasi, 2020
The rapid development of the batik industry can pollute water resources and become an increasingly severe problem. This research studies the adsorption-desorption of naphthol blue-black (one of the dyes in batik liquid waste) by magnetite modified humic ...
Maya Rahmayanti   +2 more
doaj   +1 more source

Adsorption and removal of direct red 31 by Cu-MOF: optimization by response surface

open access: yesWater Science and Technology, 2022
Cu(PABA) is a Cu-based MOF material assembled from Cu2+ and the organic ligand p-aminobenzoic acid (PABA). Cu (PABA) was synthesized by a solvothermal method, characterized and applied to the adsorption of direct red 31 dye (DR-31). The effects of pH, DR-
Zihang Li   +6 more
doaj   +1 more source

Adsorption-induced surface normal relaxation of a solid adsorbent [PDF]

open access: yes, 2016
We investigate adsorption of a gas on the flat surface of a solid deformable adsorbent taking into account thermal fluctuations and analyze in detail the effect of thermal fluctuations on the adsorbent deformation in adsorption.
Usenko, A. S.
core   +3 more sources

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

Role of Sorption Isotherms in the Analysis of Coupled Heat and Mass Fluxes in Porous Media [PDF]

open access: yes, 2005
The aim of this work is to show the importance of the sorption isotherms in the study of the heat and mass fluxes in unsaturated porous media. General forms of the heat and mass fluxes are presented in terms of experimentally accessible quantities.
Reis, A. Heitor, Rosa, Rui
core   +1 more source

Ideal Molecular Sieving with a Dense MOF for Helium Upgrading with Highly Diffusion Selective Mixed Matrix Membranes

open access: yesAdvanced Functional Materials, EarlyView.
The separation of Helium gas from natural gas is challenging but highly important. MIL‐116(Ga), a “non‐porous” metal–organic framework is used as a molecular sieve to separate He from CH4. Druse‐like MIL‐116(Ga) particles are integrated into polysulfone mixed matrix membranes.
Ayisha Komal   +10 more
wiley   +1 more source

Review of adsorption isotherms models

open access: yesApplied Water Science
Because of its ease of use, affordability, effectiveness, and environmental friendliness, adsorption phenomenon is a widely used separation technique in wastewater treatment and environmental remediation. In a process known as an adsorption isotherm, the
Bitrus Tanko Danat   +3 more
doaj   +1 more source

The adsorption kinetic and isotherm studies of metal ions (Co2+, Sr2+, Cs+) on Fe3O4 nanoparticle of radioactive importance

open access: yesResults in Chemistry, 2023
The release of radionuclide elements from nuclear, medical, research, and defense fields has become a serious environmental problem. Hence, the investigation of the adsorption kinetic and isotherm of metal ions (Co2+, Sr2+, and Cs+) which are commonly ...
Do Quoc Hung   +6 more
doaj   +1 more source

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