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Biomineralisation of 1,2,4-trichlorobenzene in soils by an adapted microbial population.

Environ. Pollut. 127, 395-401 (2004)
DOI
Open Access Green as soon as Postprint is submitted to ZB.
In laboratory experiments the mineralisation of 14C-labelled 1,2,4-trichlorobenzene (1,2,4-TCB) in soils was studied by direct measurement of the evolved 14CO2. The degradation capacity of the indigenous microbial population was investigated in an agricultural soil and in a soil from a contaminated site. Very low mineralisation of 1% within 23 days was measured in the agricultural soil. Whereas in the soil from the contaminated site the mineralisation occurred very fast and in high rates; up to 62% of the initially applied amount of 1,2,4-TCB were mineralised within 23 days. The transfer of the adapted microbial population into the agricultural soil significantly enhanced the mineralisation of 1,2,4-TCB in this soil, reflecting, that the transferred microbial population survived and maintained its degradation ability in the new microbial ecosystem. Additional nutrition sources ((NH4)2HPO4) increased the mineralisation rates in the first days significantly in the contaminated soil. In the soil from the contaminated site high amounts of non extractable 14C-residues were formed.
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Publication type Article: Journal article
Document type Scientific Article
Keywords 1,2,4-Trichlorobenzene; Soil; Mineralisation; Adapted microorganisms; Non extractable residues
Language english
Publication Year 2004
HGF-reported in Year 0
ISSN (print) / ISBN 0269-7491
e-ISSN 1873-6424
Quellenangaben Volume: 127, Issue: 3, Pages: 395-401 Article Number: , Supplement: ,
Publisher Elsevier
Reviewing status Peer reviewed
POF-Topic(s) 20402 - Sustainable Plant Production
Research field(s) Environmental Sciences
PSP Element(s) G-504400-002
Erfassungsdatum 2003-11-28