Results 21 to 30 of about 43,907 (278)

Deformation of Porous Adsorbents at Adsorption

open access: yesChemical Engineering Transactions, 2021
In this work deformation of activated carbon adsorbent upon CO2 adsorption has been studied. A model sample of the microporous carbon adsorbent was prepared silicon carbide at 900 K by removing silicon with a chlorine flow followed by gaseous SiCl4 ...
Andrei Tvardovskiy, Anatolii Fomkin
doaj   +1 more source

K-10 clay as a reusable catalyst for the solvent-free MW-induced synthesis of enaminones [PDF]

open access: yesJournal of the Serbian Chemical Society, 2014
A series of β-amino-α, β-unsaturated ketones and esters synthesized from the reaction of different amines with 1,3- dicarbonyl compounds in solvent-free media using montmorillonite K-10 clay as solid recyclable heterogeneous acidic catalyst and ...
Marvi Omid   +3 more
doaj   +1 more source

Influence of clay mineralogy on undrained shear strength using Fall cone test

open access: yesGrađevinar, 2023
Consistency limits are the basic parameters used as standard inputs for any soil investigation program to evaluate the geotechnical properties of fine-grained soils.
Eyyüb Karakan
doaj   +1 more source

Flow cytometry is a promising and rapid method for differentiating between freely suspended Escherichia coli and E. coli attached to clay particles [PDF]

open access: yes, 2014
Aim: A standard procedure does not exist to distinguish between attached and unattached micro-organisms. In this study, we compared two methods to quantify between Escherichia coli attached to clay particles and E. coli freely suspended in solution: flow
Jarboe, Laura   +6 more
core   +2 more sources

Acidity of edge surface sites of montmorillonite and kaolinite [PDF]

open access: yes, 2013
Peer ...
Cheng, Jun   +5 more
core   +1 more source

Acid-Modified Clays for the Catalytic Obtention of 5-Hydroxymethylfurfural from Glucose

open access: yesChemEngineering, 2022
5-hydroxymethylfurfural (5-HMF) is an important platform molecule for the synthesis of high-added value products. Several synthesized clay materials, such as mesoporous hectorite and fluorohectorite, in addition to commercial montmorillonite K-10, have ...
Vladimir Sánchez   +3 more
doaj   +1 more source

Polystyrene Magadiite Nanocomposites [PDF]

open access: yes, 2004
An organically modified magadiite has been prepared and used to make a mixed intercalated-exfoliated polystyrene nanocomposite by bulk polymerization. This system gives excellent improvement in mechanical properties, but the thermogravimetric analysis ...
Han, Zhidong   +5 more
core   +2 more sources

Microwave-Assisted Synthesis of Novel 2,3-Dihydro-4-Pyridinones

open access: yesMolecules, 2010
Novel 2,3-dihydro-4-pyridinones were synthesized via the reaction of curcumin and primary amines or amine acetates under microwave irradiation. Montmorillonite K-10 was used as a catalyst. Reaction times did not exceed 120 s.
Wisam A. Radhi   +2 more
doaj   +1 more source

Controlled Synthesis of Carbon-Encapsulated Copper Nanostructures by Using Smectite Clays as Nanotemplates [PDF]

open access: yes, 2012
Rhomboidal and spherical metallic-copper nanostructures were encapsulated within well-formed graphitic shells by using a simple chemical method that involved the catalytic decomposition of acetylene over a copper catalyst that was supported on different ...
Bird   +47 more
core   +4 more sources

Thermal Emission of Alkali Metal Ions from Al30-Pillared Montmorillonite Studied by Mass Spectrometric Method

open access: yesJournal of Analytical Methods in Chemistry, 2017
The thermal emission of alkali metal ions from Al30-pillared montmorillonite in comparison with its natural form was studied by mass spectrometry in the temperature range 770–930 K.
V. B. Motalov   +3 more
doaj   +1 more source

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