Preparation of chitosan/magnetite composite beads and their application for removal of Pb (II) and Ni (II) from aqueous solution

HV Tran, L Dai Tran, TN Nguyen - Materials Science and Engineering: C, 2010 - Elsevier
A simple and effective process has been proposed to prepare chitosan/magnetite
nanocomposite beads with saturation magnetization value as high as uncoated Fe3O4 …

Fe3O4/Graphene Oxide/Chitosan Nanocomposite: A Smart Nanosorbent for Lead(II) Ion Removal from Contaminated Water

LQ Vo, AT Vu, TD Le, CD Huynh, HV Tran - ACS omega, 2024 - ACS Publications
A new graphene oxide (GO) nanocomposite that contains chitosan, a biological polymer,
combined with a magnetic nanoparticle inorganic material (Fe3O4) was successfully …

Characteristics of equilibrium, kinetics studies for adsorption of Hg (II), Cu (II), and Ni (II) ions by thiourea-modified magnetic chitosan microspheres

L Zhou, Y Wang, Z Liu, Q Huang - Journal of hazardous materials, 2009 - Elsevier
Magnetic chitosan microspheres were prepared and chemically modified with thiourea
(TMCS) for adsorption of metal ions. TMCS obtained were investigated by means of X-ray …

Adsorption of Cu (II), Co (II), and Ni (II) ions by modified magnetic chitosan chelating resin

M Monier, DM Ayad, Y Wei, AA Sarhan - Journal of hazardous materials, 2010 - Elsevier
Cross-linked magnetic chitosan-isatin Schiff's base resin (CSIS) was prepared for adsorption
of metal ions. CSIS obtained was investigated by means of FTIR, 1H NMR, wide-angle X-ray …

Removal of Reactive Black 5 from aqueous solutions using magnetic chitosan resins

KZ Elwakeel - Journal of hazardous materials, 2009 - Elsevier
Chitosan was cross-linked using glutaraldehyde in the presence of magnetite. The resin
obtained was chemically modified through the reaction with tetraethylenepentamine …

Magnetic chitosan nanoparticles for removal of Cr (VI) from aqueous solution

NN Thinh, PTB Hanh, TV Hoang, VD Hoang… - Materials Science and …, 2013 - Elsevier
A simple method was introduced to prepare magnetic chitosan nanoparticles by co-
precipitation via epichlorohydrin cross-linking reaction. The average size of magnetic …

Recovery of gold (III) and silver (I) on a chemically modified chitosan with magnetic properties

AM Donia, AA Atia, KZ Elwakeel - Hydrometallurgy, 2007 - Elsevier
Chemically modified chitosan resin with magnetic properties has been prepared and
investigated. The modification process took place through the reaction between chitosan …

Selective separation of mercury (II) using magnetic chitosan resin modified with Schiff's base derived from thiourea and glutaraldehyde

AM Donia, AA Atia, KZ Elwakeel - Journal of hazardous materials, 2008 - Elsevier
Magnetic chitosan resin was chemically modified by a Schiff's base cross-linker. The
interaction of the resin obtained with Hg (II) was studied and uptake value of 2.8 mmol/g was …

Preparation and characterization of nano-magnetic cellulose with fast kinetic properties towards the adsorption of some metal ions

AM Donia, AA Atia, FI Abouzayed - Chemical Engineering Journal, 2012 - Elsevier
Nano-magnetic cellulose hybrid was obtained from precipitation of cellulose in presence of
Fe (II)/Fe (III) mixture. The hybrid material obtained was then functionalized with amino …

Adsorption of Cr (VI) and As (V) ions by modified magnetic chitosan chelating resin

YG Abou El-Reash, M Otto, IM Kenawy… - International Journal of …, 2011 - Elsevier
Cross-linked magnetic chitosan anthranilic acid glutaraldehyde Schiff's base (CAGS) was
prepared for adsorption of both As (V) and Cr (VI) ions and their determination by ICP-OES …