http://www.recercat.cat:80/handle/2072/179330 Tue, 21 May 2013 10:48:02 GMT 2013-05-21T10:48:02Z http://www.recercat.cat:80/bitstream/id/44952/ http://www.recercat.cat:80/handle/2072/179330 http://www.recercat.cat:80/handle/2072/179533 Biological remediation approach involving soils and groundwaters polluted with chlorinated solvents in a Mediterranean context Cortés Lucas, Amparo; Puigserver, Diana; Carmona, Josep Maria; Viladevall Solé, Manuel Chlorinated solvents such as trichloroethene (TCE) and tetrachloroethene (PCE) form a class of dense non-aqueous phase liquid (DNAPL) compounds that cause a persistent environmental contamination that is difficult to investigate and challenging to remediate. The use of vegetation to enhance degradation by soil microorganisms of chlorinated solvents in soil-groundwater systems (phyto and rhizo-degradation) has been receiving attention since the 90¿ as an attractive low-cost alternative. Remediation strategies must be site-specific, with separate approaches often warranted for the DNAPL source zone and its associated aqueous phase plume. It has been suggested that possible mechanisms for the enhanced bioremediation of TCE in the rhizosphere are excretion of phenolic compounds in root exudates and plant mycorrhization.; Podeu consultar el llibre complet a: http://hdl.handle.net/2445/32392 http://www.recercat.cat:80/handle/2072/179533