Use of a novel carbon sorbent for the adsorption of organic compounds from water

Škrabáková, S.; Matisová, Eva; Benická, Eva; Novak, I. I.; Berek, Dušan

doi:10.1016/0021-9673(94)87027-6

Cited by 14 publications

(3 citation statements)

References 15 publications

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“…The most commonly used solvents belong to the benzene, toluene, ethylbenzene and xylene, BTEX, group of compounds, and kerosene. Both are extensively used as regular diluents in hot laboratory cells ‘Purex Process’ 2, 3. In addition, BTEX are among the organic compounds identified as hazardous air and industrial waste water pollutants 4…”

Section: Introductionmentioning

confidence: 99%

Degradation of benzene, toluene ethylbenzene and p‐xylene (BTEX) in aqueous solutions using UV/H₂O₂ system

Daifullah¹,

Mohamed²

2004

J of Chemical Tech & Biotech

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The homogeneous degradation of benzene (B), toluene (T), ethylbenzene (E) and p-xylene (X) (BTEX) was studied in aqueous solutions, at pH 3.0, of hydrogen peroxide (5.8 mM) under UV irradiation in a photoreactor equipped with a 300 nm lamp of light intensity 3.5 × 10 −5 Ein L −1 min −1 . BTEX was substantially degraded by the H 2 O 2 /UV system, with >90% disappearing in 10 min of irradiation. The decomposition of BTEX was studied either as single or as multi-component systems. The effects of irradiation time, amounts of H 2 O 2 in molar ratios, rate of degradation and competition between components were thoroughly examined. It can be stated that the rate of BTEX degradation in mixture was higher than those for the individual components due to external effects of the absorption of UV light by the mixture, and their effects on enhancing the formation of OH• radicals. The appropriate figure of merit, the electrical energy per mass (EE/M), was estimated at various molar ratios and it was confirmed that the best value was the one depicted for p-xylene (0.065 kWh kg −1 ). A theoretical model for the degradation pathway was proposed.

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Section: Introductionmentioning

confidence: 99%

Degradation of benzene, toluene ethylbenzene and p‐xylene (BTEX) in aqueous solutions using UV/H₂O₂ system

Daifullah¹,

Mohamed²

2004

J of Chemical Tech & Biotech

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“…Graphitized carbon support 26 with high specific surface area 27 that was suitable for the preconcentration of volatile chlorinated hydrocarbons 28 and other organic compounds from water 29 and environmental samples 30 was provided by Professor Dusan Berek (Polymer Institute of the Slovak Academy of Sciences, Bratislava, Slovakia). Zein-coated carbon stationary phase was prepared by dissolving 2 g of zein in 200 ml 2-propanol-water 7:3 v/v mixtures at 70˚C under continuous gentle stirring.…”

Section: Methodsmentioning

confidence: 99%

Binding of Some Environmental Pollutants to Corn Protein Zein Studied by High-Performance Liquid Chromatography

et al. 2003

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“…Graphitized carbon support (29) with high specific surface area (30) and suitable for the preconcentration of volatile chlorinated hydrocarbons (31) and other organic compounds from water (32) and environmental samples (33) was provided by Professor Dusan Berek (Polymer Institute of the Slovak Academy of Sciences, Bratislava, Slovakia). Zein-coated carbon stationary phase was prepared by dissolving 2 g of zein in 200 mL of 7:3 v/v 2-propanol/water mixtures at 70 °C under continuous gentle stirring.…”

Section: Methodsmentioning

confidence: 99%

Effect of Salts on the Binding of Some Environmental Pollutants to Corn Protein Zein Studied by HPLC

Zagyi

Forgács

Prodan

et al. 2003

Environ. Sci. Technol.

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The strength and the character of the binding of 14 organic solvents to the corn protein zein in distilled water and in various salt solutions were determined by preparing zein-coated carbon stationary phase and by measuring the retention characteristics of solvents on a high-performance liquid chromatographic column filled with this stationary phase. The relationship between the physicochemical parameters and binding characteristics of solvents was elucidated by principal component analysis. It was established that various interactive forces are involved in the binding of solvent to the protein, suggesting a mixed binding mechanism. Binding characteristics are equally influenced by the molecular hydrophobicity and by the polarity parameters of the solvent. Coordination numbers, ionization, and lattice energies of the monovalent cations significantly influenced the various aspects of the binding of organic solvents to zein.

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Use of a novel carbon sorbent for the adsorption of organic compounds from water

Cited by 14 publications

References 15 publications

Degradation of benzene, toluene ethylbenzene and p‐xylene (BTEX) in aqueous solutions using UV/H₂O₂ system

Degradation of benzene, toluene ethylbenzene and p‐xylene (BTEX) in aqueous solutions using UV/H₂O₂ system

Binding of Some Environmental Pollutants to Corn Protein Zein Studied by High-Performance Liquid Chromatography

Effect of Salts on the Binding of Some Environmental Pollutants to Corn Protein Zein Studied by HPLC

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Use of a novel carbon sorbent for the adsorption of organic compounds from water

Cited by 14 publications

References 15 publications

Degradation of benzene, toluene ethylbenzene and p‐xylene (BTEX) in aqueous solutions using UV/H2O2 system

Degradation of benzene, toluene ethylbenzene and p‐xylene (BTEX) in aqueous solutions using UV/H2O2 system

Binding of Some Environmental Pollutants to Corn Protein Zein Studied by High-Performance Liquid Chromatography

Effect of Salts on the Binding of Some Environmental Pollutants to Corn Protein Zein Studied by HPLC

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Degradation of benzene, toluene ethylbenzene and p‐xylene (BTEX) in aqueous solutions using UV/H₂O₂ system

Degradation of benzene, toluene ethylbenzene and p‐xylene (BTEX) in aqueous solutions using UV/H₂O₂ system