Sorption of phenols onto sandy aquifer material: the effect of dissolved organic matter (DOM)

Amiri, Fariba; Börnick, Hilmar; Worch, Eckhard

doi:10.1016/j.watres.2004.11.021

Cited by 25 publications

(17 citation statements)

References 20 publications

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“…On the other hand, stronger interactions and therefore larger deviations from the ideal behaviour can be expected for mixtures of NOM and micropollutants due to complex formation. Such complex formation processes with NOM are reported by several authors(Carter & Suffet 1982;Poerschmann et al 1999;Amiri et al 2005).…”

supporting

confidence: 65%

Competitive adsorption of micropollutants and NOM onto activated carbon: comparison of different model approaches

Worch

2010

Journal of Water Supply: Research and Technology-Aqua

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Conventional adsorption models are not able to describe exactly the competitive adsorption of natural organic matter (NOM) and micropollutants during drinking water treatment with activated carbon. This problem is a consequence of the complex structure of natural organic matter.In the last years, two user-oriented model approaches, the tracer model (TRM) and the equivalent background compound model (EBCM), were proposed to overcome the difficulties in modelling

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supporting

confidence: 65%

Competitive adsorption of micropollutants and NOM onto activated carbon: comparison of different model approaches

Worch

2010

Journal of Water Supply: Research and Technology-Aqua

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“…These compounds are harmful to human health, and suspected to be carcinogens. Many techniques including physical adsorption [3][4][5][6][7][8], electrochemical oxidation [9][10][11], biodegradation [12][13][14], catalytic wet oxidation [15][16][17], and Fenton reagent oxidation [18][19][20] have been adopted for the removal of phenolic and aniline pollutants. Though practicable and effective these methods are, they also have some drawbacks, such as high cost, incomplete removal, more toxic byproducts than original pollutants.…”

Section: Introductionmentioning

confidence: 99%

Superparamagnetic Fe3O4 nanoparticles as catalysts for the catalytic oxidation of phenolic and aniline compounds

Zhang

Zhao

Niu

et al. 2009

Journal of Hazardous Materials

423

180

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a b s t r a c tFe 3 O 4 magnetic nanoparticles (MNPs) with diameters about 10 nm were synthesized successfully and used to remove phenol and aniline from aqueous solution. The results showed that phenol and aniline could be eliminated easily from solution under acidic and neutral conditions in the presence of MNPs and H 2 O 2 . When the concentrations of Fe 3 O 4 MNPs and H 2 O 2 were 5 g L −1 and 1.2 M, respectively, phenol and aniline could be removed completely after 6 h of reaction at 308 K, and the total organic carbon (TOC) abatement efficiency for phenol and aniline were 42.79% and 40.38%. Some intermediates such as formic acid, acetic acid, fumaric acid and hydroquinone were detected during reaction. Fe 3 O 4 MNPs exhibited good stability and reusability, also showed excellent catalysis ability to eliminate some substituted phenolic and aniline compounds from solution. Fe 3 O 4 MNPs had good superparamagnetism and was readily separated from solution by applying an external magnetic field. Finally we proposed that phenol and aniline might be degraded by the hydroxyl free radicals (·OH) released from H 2 O 2 in the presence of Fe 3 O 4 MNPs as catalysts.

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“…In his work, the sorption of pyrene on DOM was used as an indicator for functionality of DOM. The effect of DOM and pH value on the 388 DISSOLVED ORGANIC MATTER (DOM) IN NATURAL ENVIRONMENTS geosorption of phenols was studied by Amirir et al (2005) . The authors used a combined sorption and complex formation model.…”

Section: Organic Micropollutants and Xenobioticsmentioning

confidence: 99%

Dissolved Organic Matter (DOM) in Natural Environments

Frimmel

Abbt‐Braun

2009

Biophysico‐Chemical Processes Involving Natural Nonliving Organic Matter in Environmental Systems

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Sorption of phenols onto sandy aquifer material: the effect of dissolved organic matter (DOM)

Cited by 25 publications

References 20 publications

Competitive adsorption of micropollutants and NOM onto activated carbon: comparison of different model approaches

Competitive adsorption of micropollutants and NOM onto activated carbon: comparison of different model approaches

Superparamagnetic Fe3O4 nanoparticles as catalysts for the catalytic oxidation of phenolic and aniline compounds

Dissolved Organic Matter (DOM) in Natural Environments

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