Results 21 to 30 of about 107,393 (306)

Simulation of Near Equilibrium Adsorption Isotherms [PDF]

open access: yes, 2022
Near equilibrium Frumkin adsorption isotherms created by the steady state diffusion at the surface of rotating disk are calculated. The difference between the equilibrium and the near equilibrium isotherms is explained by the time components of the ...
Lovrić, Milivoj
core   +1 more source

Study of essential oils adsorption on three phosphate fertilizers [PDF]

open access: yesChemical Industry and Chemical Engineering Quarterly, 2018
In this paper, we report the study of essential oils adsorption on three phosphate fertilizers: monoammonium phosphate (MAP), diammonium phosphate (DAP) and triple superphosphate (TSP), with the aim to prepare a bifunctional product which can be used as ...
Benali Nejib   +4 more
doaj   +1 more source

Cooperativity in Sorption Isotherms

open access: yesLangmuir, 2023
We present a general theory of cooperativity in sorption isotherms that can be applied to sorbent/gas and sorbent/solution isotherms and is valid even when sorbates dissolve into or penetrate the sorbent. Our universal foundation, based on the principles of statistical thermodynamics, is the excess number of sorbates (around a probe sorbate), which can
Seishi Shimizu, Nobuyuki Matubayasi
openaire   +3 more sources

Multiple equilibria describe the complete adsorption isotherms of nonporous, microporous, and mesoporous adsorbents [PDF]

open access: yes, 2022
The adsorption of simple gases begins with the formation of a monolayer on the pristine surface, not always followed by the formation of a second or more monolayers. Subsequently, cluster formation or cavity filling occurs, depending on the properties of
Brühwiler, Dominik   +2 more
core   +2 more sources

Isothermal and non‐isothermal consolidation of carbon fiber towpregs [PDF]

open access: yesPolymer Composites, 2001
AbstractThe purpose of this work is to establish and validate a model to predict the isothermal and non‐isothermal consolidation behavior of unidirectional towpregs, made of carbon fibers and a thermoplastic polymer. A Finite Difference Method program was devised based on a set of analytical expressions developed in a previous work.
Nunes, J. P.   +3 more
openaire   +2 more sources

Adsorption Analysis of Fluoride Removal Using Graphene Oxide/Eggshell Adsorbent

open access: yesIndonesian Journal of Chemistry, 2020
Graphene oxide with eggshells (GO/ES) adsorbent has been studied for fluoride ions (F–) removal. An adsorption study was conducted in batch experiments at different adsorption parameters, which are initial F– concentration, contact time, and temperature.
Norhusna Mohamad Nor   +3 more
doaj   +1 more source

On the isothermal kinetics analysis of transformations in metastable systems: combined use of isothermal and non-isothermal calorimetry [PDF]

open access: yesPhilosophical Magazine, 2007
A procedure to optimize the isothermal calorimetric data of very slow transformation processes of metastable systems is proposed. The method uses an experimental baseline to identify the transitory effects due to the equipment. Moreover, the combined use of isothermal and non-isothermal results is shown to be effective to overcome the intrinsic ...
Blázquez Gámez, Javier Sebastián   +4 more
openaire   +3 more sources

Sorption isotherms of tobacco (

open access: yes, 2020
The moisture sorption capacity of tobacco seeds is decisive for their safe long-term storage; therefore, the analysis of the sorption isotherms, in a wide temperature and water activity range, is essential for seed quality maintenance in storage. In this
Tanya Ivanova   +4 more
core   +1 more source

Polyvinyl Alcohol Assisted Iron–Zinc Nanocomposite for Enhanced Optimized Rapid Removal of Malachite Green Dye

open access: yesNanomaterials, 2023
Eliminating hazardous contaminants is a necessity for maintaining a healthy environment on Earth. This work used a sustainable method to create Iron–Zinc nanocomposites with polyvinyl alcohol assistance.
Muhammad Saad   +7 more
doaj   +1 more source

Methane Adsorption Isotherms for MOF Structures from the PrISMa Database [PDF]

open access: yes
This work reports methane adsorption isotherms in over 1000 MOF ...
Elias, Moubarak   +2 more
core   +1 more source

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