Journal
CHEMOSPHERE
Volume 57, Issue 8, Pages 863-870Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.chemosphere.2004.08.032
Keywords
polycyclic musk fragrance compounds; sewage treatment plants; degradation; HHCB; AHTN; HHCB-lactone
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Measurements of two polycyclic musk fragrances HHCB (galaxolide) and AHTN (tonalide) were measured in wastewater and sludge of a German sewage treatment plant. The metabolite HHCB-lactone was identified and quantified in the same plant. The influent concentrations were about 1900ng/l HHCB and 580ng/l AHTN, while in the sludge about 3000ng/g HHCB and 1500ng/g AHTN were analysed. About 35% of both compounds passed through the plant unaltered and were discharged to the river. Slightly more HHCB was sorbed to the sludge than was discharged; while for AHTN about twice as much was sorbed to the sludge than was discharged. About 5-10% of the HHCB was oxidised in the plant to HHCB-lactone. The dominant processes in the STP were sorption processes, though. (C) 2004 Elsevier Ltd. All rights reserved.
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