Influence of acid activation on adsorption of Ni (II) and Cu (II) on kaolinite and montmorillonite: kinetic and thermodynamic study

KG Bhattacharyya, SS Gupta - Chemical Engineering Journal, 2008 - Elsevier
The removal of Ni (II) and Cu (II) with clays (kaolinite, montmorillonite and their acid-
activated forms) in aqueous medium have been studied. Batch adsorption experiments were …

Pb (II) uptake by kaolinite and montmorillonite in aqueous medium: influence of acid activation of the clays

KG Bhattacharyya, SS Gupta - Colloids and Surfaces A: Physicochemical …, 2006 - Elsevier
The adsorptive interactions of Pb (II) ions with kaolinite, montmorillonite, and their acid
activated derivatives in aqueous medium are investigated in this work. The adsorption …

Stabilization of lead in waste water and farmland soil using modified coal fly ash

L Wang, X Huang, J Zhang, F Wu, F Liu, H Zhao… - Journal of Cleaner …, 2021 - Elsevier
As a by-product of coal-fired power plants, fly ash has attracted widespread attention
because of its heavy metal adsorption potential. In this study, two fly ashes from different …

Adsorption of Fe (III) from water by natural and acid activated clays: studies on equilibrium isotherm, kinetics and thermodynamics of interactions

KG Bhattacharyya, SS Gupta - Adsorption, 2006 - Springer
The present work investigates the removal of Fe (III) ions from an aqueous solution by
kaolinite, montmorillonite and their acid activated forms. The specific surface areas of …

Green Synthesis of Starch Nanoparticles (SNPs) by Esterification with Rosin Acid Catalyzed by Maghnite-H+ (Algerian Montmorillonite) with Enhanced Antioxidant …

MA Bezzekhami, A Harrane, M Belalia… - Arabian Journal for …, 2023 - Springer
This research aims to prepare potato starch nanoparticles (SNPs) by hydrochloric acid
hydrolysis. The esterification reaction of starch nanoparticles with rosin acid is catalyzed by …

Chlorinated Solvent-Free Living Cationic Ring-Opening Polymerization of Epichlorohydrin Using BF3•OEt2 as Co-Initiator: Toward Perfectly Functionalized Poly …

GV Timofeev, MI Hulnik, IV Vasilenko… - ACS Applied Polymer …, 2023 - ACS Publications
The cationic ring-opening polymerization of epichlorohydrin co-initiated by BF3• Et2O has
been investigated here. Fast synthesis of pure poly (epichlorohydrin) diols (F n (OH)≈ 2.0) …

Synthesis of poly(furfuryl alcohol)/montmorillonite nanocomposites by direct in-situ polymerization

DE Kherroub, M Belbachir, S Lamouri - Bulletin of Materials Science, 2015 - Springer
The purpose of this study was to obtain poly (furfuryl alcohol) nanocomposites with Algerian
organically modified clay (termed 12-montmorillonite). The formation of poly (furfuryl alcohol) …

Synthesis and structural analyses of poly (1, 2-cyclohexene oxide) over solid acid catalyst

A Yahiaoui, M Belbachir, JC Soutif, L Fontaine - Materials Letters, 2005 - Elsevier
The polymerization of 1, 2-cyclohexene oxide was carried out at 20° C in dichloromethane
with an acid-exchanged montmorillonite as acid solid catalyst. The effect of the amount of …

Nanoporous Na+-montmorillonite perchloric acid as an efficient heterogeneous catalyst for synthesis of merocyanine dyes based on isoxazolone and barbituric acid

M Mashhadinezhad, F Shirini, M Mamaghani - … and Mesoporous Materials, 2018 - Elsevier
Nanoporous Na+-montmorillonite perchloric acid (MPA) as a novel heterogeneous solid
acid catalyst was easily prepared. The physico-chemical properties of the catalyst were …

Facile and eco-friendly method of starch nanocrystals esterified with oleic acid using natural clay as a catalyst: Synthesis, Box-Behnken optimization, characterization …

MA Bezzekhami, NL Belkhir, A Harrane… - International Journal of …, 2025 - Elsevier
This study investigates the synthesis of corn starch nanocrystals (SNCs) via sulfuric acid
hydrolysis. Esterification of oleic acid (OA) with SNCs was carried out using Maghnite-H+ as …