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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), pp. 231-255. (doi:10.1016/S0079-6727(98)00013-5).

Record type: Article

Abstract

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.

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Published date: 1998

Identifiers

Local EPrints ID: 29479
URI: http://eprints.soton.ac.uk/id/eprint/29479
ISSN: 0079-6727
PURE UUID: 8ed0a577-ca25-4ae0-9bf1-b936ec7bce5a

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Date deposited: 13 Mar 2007
Last modified: 17 Jul 2017 15:57

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Contributors

Author: B. Marschner
Author: P.T. Landsberg
Author: V. Badescu

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