Articles with "composite beads" as a keyword



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Synthesis and characterization of chitosan–vermiculite composite beads for removal of uranyl ions: isotherm, kinetics and thermodynamics studies

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Published in 2020 at "Journal of Radioanalytical and Nuclear Chemistry"

DOI: 10.1007/s10967-020-07481-2

Abstract: In this study, a new material containing Chitosan (Ch)–Vermiculite (V) composite beads was synthesized with epichlorohydrin cross-linking agent and used to remove uranyl ions from the aqueous solution. The prepared new material was characterized by… read more here.

Keywords: uranyl ions; thermodynamics; composite beads; chitosan vermiculite ... See more keywords
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Sustainable adsorptive removal of antibiotics from aqueous streams using Fe3O4-functionalized MIL101(Fe) chitosan composite beads

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Published in 2022 at "Environmental Science and Pollution Research"

DOI: 10.1007/s11356-021-18385-3

Abstract: In this study, we synthesized recyclable Fe3O4-functionalized MIL101(Fe) chitosan composite beads for the removal of tetracycline (TC), doxycycline (DC) and ciprofloxacin (CFX) antibiotics from aqueous streams. More than 99% removal efficiency for each antibiotic was… read more here.

Keywords: composite beads; mil101 chitosan; chitosan composite; functionalized mil101 ... See more keywords
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Novel cellulose/montmorillonite mesoporous composite beads for dye removal in single and binary systems.

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Published in 2019 at "Bioresource technology"

DOI: 10.1016/j.biortech.2019.121366

Abstract: Fine aminated cellulose/montmorillonite mesoporous composite beads (ACeMt) were prepared as green-based adsorbent via a novel approach utilizing ultra-fine calcium carbonate as a pore-forming agent to increase the porosity and specific surface area of ACeMt. The… read more here.

Keywords: single binary; dye removal; composite beads; cellulose montmorillonite ... See more keywords
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N, Ag co-doped TiO2 mediated modified in-situ dual process (modified photocatalysis and photo-Fenton) in fixed-mode for the degradation of Cephalexin under solar irradiations.

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Published in 2018 at "Chemosphere"

DOI: 10.1016/j.chemosphere.2018.08.120

Abstract: Novel FeNAgTiO2 composite beads possessing unusual characteristics of modified in-situ dual process (modified photocatalysis and photo-Fenton) resulted in reduction in treatment time of Cephalexin (CEX). These composite beads were prepared using NAgTiO2 and waste foundry… read more here.

Keywords: composite beads; dual process; modified situ; situ dual ... See more keywords
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Efficient removal of hazardous lead, cadmium, and arsenic from aqueous environment by iron oxide modified clay-activated carbon composite beads

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Published in 2018 at "Applied Clay Science"

DOI: 10.1016/j.clay.2018.06.014

Abstract: Abstract The present communication addresses the removal of toxic lead, cadmium, and arsenic using iron oxide modified clay-activated carbon composite beads from aqueous solutions. The SEM-EDX analysis was conducted to study the heterogeneity of the… read more here.

Keywords: composite beads; lead cadmium; clay; iron ... See more keywords
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Preparation and performance of amine-based polyacrylamide composite beads for CO2 capture

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Published in 2018 at "Energy"

DOI: 10.1016/j.energy.2018.07.116

Abstract: The macropore composite beads were prepared as CO2 adsorbent by polymerization of polyacrylamide and impregnation of 1,2-epoxyhexane functionalized poly(ethyleneimine). The consecutive CO2 adsorption-desorption tests were performed at 1 bar in the range of 50–125 °C.… read more here.

Keywords: co2 capture; composite beads; adsorption desorption; performance ... See more keywords
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Preparation of pH-sensitive Fe3O4@C/carboxymethyl cellulose/chitosan composite beads for diclofenac sodium delivery.

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Published in 2019 at "International journal of biological macromolecules"

DOI: 10.1016/j.ijbiomac.2019.01.191

Abstract: In this study, we prepared pH- and magnetism-responsive Fe3O4@C/carboxymethyl cellulose (CMC)/chitosan composite microbeads for controlled release of diclofenac sodium (DS) to (i) prevent complete drug release in gastric area, (ii) maintain blood drug concentration in… read more here.

Keywords: fe3o4 carboxymethyl; composite beads; carboxymethyl cellulose; drug ... See more keywords
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In situ fabrication of magnetic particles decorated biopolymeric composite beads for the selective remediation of phosphate and nitrate from aqueous medium

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Published in 2020 at "Journal of environmental chemical engineering"

DOI: 10.1016/j.jece.2019.103530

Abstract: Abstract Nowadays, efficient and selective remediation of phosphate and nitrate ions from water/ wastewater is a problematical task. In this study, magnetic particles (Fe3O4) decorated GO-CMC (Fe3O4@GO-CMC) composite beads were synthesized via the one-pot process… read more here.

Keywords: cmc; composite beads; remediation phosphate; phosphate nitrate ... See more keywords
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Immobilization of Pectinase onto Porous Hydroxyapatite/Calcium Alginate Composite Beads for Improved Performance of Recycle

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Published in 2020 at "ACS Omega"

DOI: 10.1021/acsomega.0c01625

Abstract: Pectinase is an industrially important enzyme widely used in juice production, food processing, and other fields. The use of immobilized enzyme systems that allow several reuses of pectinase is beneficial to these fields. Herein, we… read more here.

Keywords: porous hydroxyapatite; immobilization; calcium alginate; composite beads ... See more keywords
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Highly recyclable Ag NPs/alginate composite beads prepared via one-pot encapsulation method for efficient continuous reduction of p-nitrophenol

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Published in 2017 at "New Journal of Chemistry"

DOI: 10.1039/c7nj03467a

Abstract: Nanosilver/alginate composite beads were successfully fabricated via a simple one-pot encapsulation method and were effectively applied to degradation experiments with p-nitrophenol under batch and fixed-bed conditions. Three-dimensional alginate hydrogels cross-linked with calcium ions were used… read more here.

Keywords: microscopy; pot encapsulation; composite beads; encapsulation method ... See more keywords
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In situ Preparation of Chitosan/ZIF-8 Composite Beads for Highly Efficient Removal of U(VI)

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Published in 2019 at "Frontiers in Chemistry"

DOI: 10.3389/fchem.2019.00607

Abstract: With the rapid growth of nuclear power generation and fuel processing, the treatment of nuclear industry wastewater has become a major problem, and if not handled properly, it will pose a potential threat to the… read more here.

Keywords: preparation chitosan; situ preparation; removal; composite beads ... See more keywords