2009
DOI: 10.1016/j.jhazmat.2008.10.100
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PCB congener sorption to carbonaceous sediment components: Macroscopic comparison and characterization of sorption kinetics and mechanism

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Cited by 28 publications
(21 citation statements)
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“…The amount of 2-ClBP sorbed to CCS, Q over time can be characterized as a first order reaction with two stages [13]. The model well represents initial fast sorption (Q e, fast ) followed by slow sorption (Q e, slow ) kinetics typically shown for sediments with nonporous organic and dense mineral components [14]. The kinetic parameters are summarized in Table 3.…”
Section: Characteristics Of 2-clbp Sorption To Ccssmentioning
confidence: 96%
See 1 more Smart Citation
“…The amount of 2-ClBP sorbed to CCS, Q over time can be characterized as a first order reaction with two stages [13]. The model well represents initial fast sorption (Q e, fast ) followed by slow sorption (Q e, slow ) kinetics typically shown for sediments with nonporous organic and dense mineral components [14]. The kinetic parameters are summarized in Table 3.…”
Section: Characteristics Of 2-clbp Sorption To Ccssmentioning
confidence: 96%
“…Most studies so far have focused on understanding the ensuing results such as sorption isotherm, capacity, and kinetics in various OC component-PCB congener combinations and the treatment capability of various physical, chemical, and biological systems under different environments [2,3,6,7,[10][11][12][13][14][15][16]. Few attempts have been made so far to systematically address the concept of the transport, reaction, and fate of PCBs in aquatic sediments in the presence of target substrates [5].…”
Section: Introductionmentioning
confidence: 99%
“…NOM is generally considered as a component favoring for non-reactive absorption of PCBs. We assume absorption of 2-ClBP into NOM and its adsorption onto AC [17]. Most of 2-ClBP molecules added are distributed to RAC due to the high affinity of AC for PCBs while some of them are partitioned to NOM.…”
Section: Natural Organic Mattermentioning
confidence: 99%
“…It can be seen that K10 has a very high surface area, more than an order of magnitude higher than Kaolin, the other clay used here and around 40-80 times higher than the two natural sediments in the study. K10 also showed some organic carbon (OC) content (∼0.13%) indicating that it may have a high affinity to PCBs -both due to its high surface area and organic content [2]. The pHs of the two clays were in the acidic range, far removed from the near neutral pHs of the sediments.…”
Section: Characterization Of Substratesmentioning
confidence: 99%
“…Their inert and hydrophobic nature and high affinity for sediments makes them hard to treat [1,2]. PCBs partition preferentially to organic components of the environment leading to their prevalence in finegrained, organically rich sediments.…”
Section: Introductionmentioning
confidence: 99%