Solar energy conversion: list of efficiencies and some theoretical considerations: theoretical considerations part II: results
Marschner, B., Landsberg, P.T. and Badescu, V. (1998) Solar energy conversion: list of efficiencies and some theoretical considerations: theoretical considerations part II: results. Progress in Quantum Electronics, 22, (4), 231-255. (doi:10.1016/S0079-6727(98)00013-5).
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The effects of acidification and liming on the mobilization of benzo(a)pyrene (BaP) were studied in a long-term column experiment with a sandy topsoil spiked with this hydrophobic compound at a concentration of 100 mg kg-1. Soil acidification to pH 3.3 initially caused a decreased release of BaP, but in the course of the 14-months study, BaP-concentrations in the leachates surpassed control levels 10-15-fold. This is attributed to DOM-enhanced solubility of BaP, although no correlation with DOC-concentrations was found. Instead, increased DOM-sorptivity is attributed to the increases in DOM-aromaticity and DOM-size which occurs in response to decreasing Ca-concentrations and increasing pH in the solutions. A short term BaP-mobilization in the lime treatment is not related to these parameters but may indicate the participation of heavy metals in DOM-BaP-interactions.
|Subjects:||T Technology > TK Electrical engineering. Electronics Nuclear engineering
Q Science > QC Physics
|Divisions:||University Structure - Pre August 2011 > School of Mathematics > Applied Mathematics
|Date Deposited:||13 Mar 2007|
|Last Modified:||02 Mar 2012 11:27|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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