Results 21 to 30 of about 56,130 (232)

Silica Pillared Montmorillonites as Possible Adsorbents of Antibiotics from Water Media

open access: yesApplied Sciences, 2018
In this work, three silica pillared clays (Si-PILC) were synthetized, characterized, and evaluated as possible adsorbents of ciprofloxacin (CPX) and tetracycline (TC) form alkaline aqueous media.
Maria Eugenia Roca Jalil   +3 more
doaj   +1 more source

Ciclohexane oxidation in gas phase using iron and chromium pillared clays as catalysts

open access: yesEclética Química, 2018
Pillared clays formed by intercalation of transition metal oxides, capable of preventing the collapse of the structure, gives micro- and mesoporous materials with different catalytic activities and stabilities.
Wagner Alves Carvalho
doaj   +1 more source

Catalytic Oxidation of Tartrazine in Aqueous Solution Using a Pillared Clay with Aluminum and Iron

open access: yesBulletin of Chemical Reaction Engineering & Catalysis, 2021
In this work, pillared bentonite with Al−Fe (Al−Fe−PILC) was synthesized and used as a heterogeneous Fenton-like catalyst in the oxidation of tartrazine azo-dye in an aqueous solution.
Ángel David Gálvez-Serna   +4 more
doaj   +1 more source

Development of Pillared Clays for Wet Hydrogen Peroxide Oxidation of Phenol and Its Application in the Posttreatment of Coffee Wastewater

open access: yesInternational Journal of Photoenergy, 2012
This paper focuses on the use of pillared clays as catalysts for the Fenton-like advanced oxidation, specifically wet hydrogen peroxide catalytic oxidation (WHPCO).
Nancy R. Sanabria   +2 more
doaj   +1 more source

Preparation of Alumina Pillared Montmorillonite Clays Employing Ultrasonics and Their Catalytic Properties

open access: yesEurasian Chemico-Technological Journal, 2000
An accelerated diffusion of alumina precursor species in-between the gallery region of montmorilloniteclays by the use of ultrasonic technique is described. This method offers a faster, efficient and attractiveroute for the synthesis of alumina-pillared
S. P. Katdare   +2 more
doaj   +1 more source

Diammonium-Pillared MOPS with Dynamic CO2 Selectivity

open access: yesCell Reports Physical Science, 2020
Summary: The climate challenge calls for the design of energy-efficient CO2-separation materials. CO2-selective solid physisorbents are characterized by a low energy penalty and enable the most promising and energy-efficient CO2 separation technologies ...
Martin Rieß   +3 more
doaj   +1 more source

Ozonation of Indigo Carmine Catalyzed with Fe-Pillared Clay

open access: yesInternational Journal of Photoenergy, 2013
The ozonation catalyzed by iron-pillared clays was studied. The degradation of dye indigo carmine (IC) was elected as test reaction. Fe-pillared clays were synthesized by employing hydrolyzed FeCl3 solutions and bentonite.
Miriam Bernal   +5 more
doaj   +1 more source

Ciprofloxacin Removal Using Pillared Clays

open access: yesWater, 2023
In this work, Ti-pillared bentonites were evaluated to remove ciprofloxacin (CIP) from the aqueous solution. Pillared sodium bentonite (BSP) and pillared calcium bentonite (BCP) were prepared by means of the sol–gel method using titanium tetraisopropoxide with calcination for 3 h at 500 °C. They were characterized using the BET method for N2 adsorption,
Lourdes Jara-Cobos   +4 more
openaire   +3 more sources

Assessment of the crystallochemical properties of the natural and modified clays in the organic matter removal during the water treatment process

open access: yesCase Studies in Chemical and Environmental Engineering
The study of natural clays, activated with sulfuric acid and pillared clays for treating aqueous solutions containing humic acids was the focus of this work. It appears that the equilibrium is reached after 20 min.
Chrisdel Chancelice Ndjeumi   +5 more
doaj   +1 more source

Suitability of the Iraqi natural clay for the preparation of Al-Fe pillared-clays

open access: yesMATEC Web of Conferences, 2018
Some organic pollutant in aqueous wastewater inhabitant biological treatment, catalyst wet air oxidation is a method to treat this waste. Al-Fe pillared Iraqi clays with different Fe content were prepared.
Al-Ani Faris, Al-Kindi Ghayda
doaj   +1 more source

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