Synthesis of carbon xerogels and their application in adsorption studies of caffeine and diclofenac as emerging contaminants

S Álvarez, RS Ribeiro, HT Gomes, JL Sotelo… - … Research and Design, 2015 - Elsevier
This work involves the application of carbon xerogels in the removal of two emerging
contaminants, caffeine and diclofenac, from aqueous solutions. Textural characterization of …

The range of validity of sorption kinetic models

S Douven, CA Paez, CJ Gommes - Journal of colloid and interface science, 2015 - Elsevier
Several hundred papers are published yearly reporting liquid-phase adsorption kinetics
data. In general the data is analyzed using a variety of standard models such as the pseudo …

[HTML][HTML] Development of novel composite materials based on kaolinitic clay modified with ZnO for the elimination of azo dyes by adsorption in water

PN Song, JG Mahy, A Farcy, C Calberg, N Fagel… - Results in Surfaces and …, 2024 - Elsevier
In this work, ZnO nanoparticles, synthesized by the sol-gel process, are immobilized on the
external surface of raw kaolinite particles and kaolinite activated by different treatments: heat …

Synthesis of carbon xerogels modified with amine groups and copper for efficient adsorption of caffeine

M Ptaszkowska-Koniarz, J Goscianska… - Chemical Engineering …, 2018 - Elsevier
Carbon xerogels studied were synthesized by two methods. The first was based on
polycondensation of resorcinol and formaldehyde. The material obtained in this way was …

ZnO/Carbon xerogel photocatalysts by low-pressure plasma treatment, the role of the carbon substrate and its plasma functionalization

E Haye, N Job, Y Wang, S Penninckx… - Journal of colloid and …, 2020 - Elsevier
ZnO is known to be photocatalytic, but with limited performances due to the strong electron-
hole recombination after irradiation. The integration of ZnO nanomaterials on a conductive …

Magnetic nanoparticles impregnated, cross-linked, porous chitosan microspheres for efficient adsorption of methylene blue from pharmaceutical waste water

MS Jyothi, VJ Angadi, TV Kanakalakshmi… - Journal of Polymers and …, 2019 - Springer
The study demonstrates the preparation of MnFe 2 O 4 impregnated chitosan-microspheres
(CMMS) as adsorbents for efficient removal of cationic thiazine dye, methylene blue. A facile …

Amine-modified carbon xerogels as effective carbon-based adsorbents of anionic dye from aqueous solutions

M Ptaszkowska-Koniarz, J Goscianska… - Materials, 2022 - mdpi.com
Carbon xerogels were obtained by polycondensation of resorcinol and formaldehyde in a
water medium. Their surface was oxidized by ammonium persulfate and then modified with …

Biosourced, highly porous, carbon xerogel microspheres

LI Grishechko, G Amaral-Labat, V Fierro, A Szczurek… - RSC …, 2016 - pubs.rsc.org
The first tannin-based carbon xerogel microspheres were prepared and characterised. The
materials were synthesised by inverse emulsion polymerisation in sunflower oil, based on …

Nitrogen and phosphorous‐doped porous carbon xerogels as metal‐free catalysts for environmental catalytic peroxide oxidation of 4‐nitrophenol

NA Fathy, MA Shouman… - Asia‐Pacific Journal of …, 2016 - Wiley Online Library
This work reports an environmental benign porous carbon catalyst for the catalytic peroxide
oxidation of 4‐nitrophenol (4‐NP) pollutant. Nitrogen and phosphorous‐doped carbon …

Drying stresses in precursor gel: effect on pore connectivity in carbonized form, and resulting performance in a supercapacitor electrode

MP Chavhan, S Ganguly - Journal of Sol-Gel Science and Technology, 2018 - Springer
The presence of vapor-liquid interface, and more specifically the pressure gradient across
such interface at the time of drying the precursor gel may significantly alter the pore structure …