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Efficient Sequestration And Reduction Of Hexavalent Chromium With Organosilica Sol–gels

K. Deshpande, S. Cheung, M. S. Rao, Bakul C. Dave
Published 2005 · Chemistry

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Sol–gel materials prepared from organically-modified silanes are used for sequestration and reduction of Cr(VI). These sol–gels act as matrices for sequestration and reduction of Cr(VI) as well as binding of Cr(III) ions in the porous structure. Acid treated sol–gels obtained from bis[3-(trimethoxysilyl)propyl]ethylenediamine (EnTMOS) and 3-mercaptopropyltrimethoxysilane (SHTMOS) sequester and reduce Cr(VI) from an external solution. The removal of Cr(VI) from solution was monitored spectrophotometrically and the sol–gels were characterized with FTIR and TEM. The amino and thiol groups in the hybrid sol–gels play a critical role and the gels containing both these functional groups are considerably more effective at removal of Cr(VI) than those containing just one of these functional groups. Finally, the pH of the medium is also found to be an important parameter in kinetics and efficiency of removal of Cr(VI).
This paper references
10.1002/1521-4095(200102)13:4<274::AID-ADMA274>3.0.CO;2-H
Thermoresponsive Glasses: Temperature‐Controlled Rapid Swelling and Deswelling of Silica‐Based Sol–Gels
M. S. Rao (2001)
10.1016/S1387-1811(02)00626-1
Preparation and stabilization of gold nanoparticles formed by in situ reduction of aqueous chloroaurate ions within surface-modified mesoporous silica
A. Ghosh (2003)
10.1149/1.1393568
Storage and Release of Soluble Hexavalent Chromium from Chromate Conversion Coatings Equilibrium Aspects of Cr VI Concentration
Lin Xia (2000)
10.1021/ES001301B
XANES spectroscopy studies of Cr(VI) reduction by thiols in organosulfur compounds and humic substances.
M. Szulczewski (2001)
10.1021/ES034261V
Role of dissolved organic matter composition on the photoreduction of Cr(VI) to Cr(III) in the presence of iron.
Megan Gaberell (2003)
10.1021/ES0017007
Chromium(VI) reduction by hydrogen sulfide in aqueous media: stoichiometry and kinetics.
C. Kim (2001)
10.1021/ES021013A
Removal of hexavalent chromium from wastewater using a new composite chitosan biosorbent.
V. Boddu (2003)
10.1016/0048-9697(89)90189-7
Environmental chemistry of chromium.
D. Rai (1989)
10.1039/B002661L
A new class of hybrid mesoporous materials with functionalized organic monolayers for selective adsorption of heavy metal ions
A. Liu (2000)
10.1021/JA982468W
Selective Intake and Release of Proteins by Organically-Modified Silica Sol−Gels
M. S. Rao (1998)
10.1021/JA028650L
A mesoporous silica nanosphere-based carrier system with chemically removable CdS nanoparticle caps for stimuli-responsive controlled release of neurotransmitters and drug molecules.
C. Lai (2003)
10.1016/0277-5387(96)00141-6
Toxic and mutagenic effects of chromium(VI). A review
M. Cieślak-Golonka (1996)
10.1016/J.JCIS.2004.02.037
Fe(3+) coordinated to amino-functionalized MCM-41: an adsorbent for the toxic oxyanions with high capacity, resistibility to inhibiting anions, and reusability after a simple treatment.
Toshiyuki Yokoi (2004)
10.1021/ES970622T
Heavy Metal Ion Adsorbents Formed by the Grafting of a Thiol Functionality to Mesoporous Silica Molecular Sieves: Factors Affecting Hg(II) Uptake
L. Mercier (1998)
10.1021/LA9911483
Heterogeneous Photocatalytic Reduction of Cr(VI) in UV-Irradiated Titania Suspensions: Effect of Protons, Ammonium Ions, and Other Interfacial Aspects
C. R. Chenthamarakshan (2000)
10.1006/JCIS.2000.7015
Thermodynamics of Chromium(VI) Anionic Species Sorption onto Surfactant-Modified Montmorillonite Clay.
V. Krishna (2000)
10.1021/ES010086B
Reduction of hexavalent chromium by H2O2 in acidic solutions.
Maurizio Pettine (2002)
10.1002/1521-4095(20020318)14:6<443::AID-ADMA443>3.0.CO;2-S
“Smart” Glasses: Molecular Programming of Rapid Dynamic Responses in Organosilica Sol–Gels
M. S. Rao (2002)
10.1021/JA00300A035
In vitro reaction of the carcinogen chromate with cellular thiols and carboxylic acids
P. H. Connett (1985)
10.1021/ES971073U
Removal of trivalent and hexavalent chromium by seaweed biosorbent
D. Kratochvil (1998)
10.1021/CM0202355
Adsorption of Chromate and Arsenate by Amino-Functionalized MCM-41 and SBA-1
H. Yoshitake (2002)
10.1021/ES001457B
Iron promoted reduction of chromate by dissimilatory iron-reducing bacteria.
B. Wielinga (2001)
10.1023/A:1020763719171
Smart Glasses: Molecular Programming of Dynamic Responses in Organosilica Sol-Gels
M. S. Rao (2003)
10.1016/S0008-6223(98)00102-X
Removal of hexavalent chromium and metal cations by a selective and novel carbon adsorbent
S. Lalvani (1998)
10.1021/JA0352348
Thermally-regulated molecular selectivity of organosilica sol-gels.
M. S. Rao (2003)
10.1039/A807249C
Selective adsorption of Hg2+ by thiol-functionalized nanoporous silica
J. Brown (1999)
10.1021/IC0257975
Kinetics and mechanism of chromate reduction with hydrogen peroxide in base.
D. A. Vander Griend (2002)



This paper is referenced by
10.1007/S10971-006-8773-Z
Use of environmentally-responsive smart glasses in controlled release: Diffusion of molecules under applied stimuli
M. S. Rao (2006)
Bi-functionalized mesoporous organic-inorganic hybrid materials : synthesis, physico-chemical characterization and application for chromium removal
Nataliya Shevchenko Zaitseva (2013)
10.1039/B912345H
Direct synthesis of ordered N-methylimidazolium functionalized mesoporous silica as highly efficient anion exchanger of Cr(VI)
Lili Zhu (2010)
10.1021/ACS.JCED.5B00292
Recent Advances in Silica-Based Materials for the Removal of Hexavalent Chromium: A Review
Manish Kumar Dinker (2015)
Dual biological treatment approach on Heavy Metal Chromium removal from Effluent using live Pseudomonas and Dead Neurospora sp
Nilofer Nisha (2020)
STATISTICAL OPTIMIZATION OF ADSORPTION VAR- IABLES FOR BIOSORPTION OF CHROMIUM (VI) USING CARROT BASED ADSORBENTS EQUILI- BRIUM AND KINETIC STUDIES
Dilip Kumar Behara (2016)
10.1007/s40242-016-5304-6
Trichloroacetic acid removal by a reductive spherical cellulose adsorbent
Chun-xiang Lin (2016)
10.1021/CM503767R
Water-Stable Metal–Organic Frameworks for Fast and High Dichromate Trapping via Single-Crystal-to-Single-Crystal Ion Exchange
Hong-Ru Fu (2015)
10.1016/J.JKSUS.2018.05.001
Isolation and identification of chromium reducing bacteria from tannery effluent
M. Sanjay (2020)
10.1002/ELAN.200603568
Electrocatalytic Reduction of Chromium(VI) by Thionin: Electrochemical Properties and Mechanistic Study
A. Salimi (2006)
10.1016/j.biortech.2017.10.071
Efficient removal of Cr(VI) from water by quaternized chitin/branched polyethylenimine biosorbent with hierarchical pore structure.
Xingtang Liang (2018)
10.1088/1755-1315/391/1/012033
Characterization of Rhizosphere Bacteria and Their Potency as Phytoremediation Promoting Agents for Cr (VI) Contaminated Soil
Nita Shilfiani Rohmah (2019)
10.1557/PROC-1015-BB06-07
Studies of Potassium Dihydrogen Phosphate (KDP) Crystals Doped with Potassium Dichromate (PD) using ICP and UV Spectrophotometer
Selemani Seif (2007)
10.1016/j.jhazmat.2013.02.019
Chromium(VI) removal via reduction-sorption on bi-functional silica adsorbents.
N. Zaĭtseva (2013)
10.1016/J.JCLEPRO.2015.05.123
Cleaner production of basic chromium sulfate – with a review of sustainable green production options
R. C. Panda (2016)
STATISTICAL OPTIMIZATION OF ADSORPTION VARIABLES FOR BIOSORPTION OF CHROMIUM ( VI ) USING CARROT BASED ADSORBENTS EQUILIBRIUM AND KINETIC STUDIES
Desai (2016)
10.1007/S10008-007-0328-Y
Silicomolybdate doped polypyrrole film modified glassy carbon electrode for electrocatalytic reduction of Cr(VI)
A. Balamurugan (2007)
Exploration of Functionalized Sorbents for Heavy Metal Ions Removal
Z. Ali (2014)
10.1016/j.jhazmat.2009.04.056
Fungal bioremediation of chromates: conformational changes of biomass during sequestration, binding, and reduction of hexavalent chromium ions.
Rashmi Sanghi (2009)
10.1016/J.ACA.2006.08.032
Optical determination of Cr(VI) using regenerable, functionalized sol-gel monoliths.
Nathan A. Carrington (2007)
Hexavalent chromium analysis, reduction and stabilization in cement and concrete
Robson Bhekisisa Lokothwayo (2008)
Characterization of chromate reducing Pseudomonas aeruginosa strain Mie3 isolated from Juru River sludge and its potential on Azo dye decolorization
M. I. E. Halmi (2017)
10.1002/9781118287705.CH22
A Closer Look at “Green” Glass: Remediation with Organosilica Sol‐Gels Through the Application of Green Chemistry
Sarah B. Lockwood (2012)
10.1002/open.201402133
Preparation and Characterization of Chitosan Thin Films on Mixed-Matrix Membranes for Complete Removal of Chromium
Vignesh U. Nayak (2015)
10.1002/cphc.201100988
A highly efficient and selective polysilsesquioxane sorbent for heavy metal removal.
Xiaonan Duan (2012)
Matériaux mésoporeux hybrides organo-minéraux bi-fonctionnalisés : synthèse, caractérisation physico-chimique et application à l'élimination du chrome
N. Zaitseva (2013)
10.1016/j.jenvman.2009.06.011
Leachability of dissolved chromium in asphalt and concrete surfacing materials.
M. Kayhanian (2009)
Sorption Characteristics of Hexavalent Chromium [Cr(VI)] onto Bone Char and Bio-char.
A. Hyder (2013)
Reduction of Hexavalent Chromium from Chrome Shavings
S. Sharaf (2013)
10.1016/J.ACA.2006.05.020
Electrochemical deposition of sol-gel films for enhanced chromium(VI) determination in aqueous solutions.
Nathan A. Carrington (2006)
10.1038/s41598-020-75924-7
Reusable magnetite nanoparticles–biochar composites for the efficient removal of chromate from water
M. S. Alam (2020)
10.1016/j.envpol.2016.10.097
Facile preparation of magnetic mesoporous MnFe2O4@SiO2-CTAB composites for Cr(VI) adsorption and reduction.
N. Li (2017)
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