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The effects of pesticides on anaerobic digestion processes

The effects of pesticides on anaerobic digestion processes

Environmental Technology 12(6): 471-476

The effects of the fungicide Mancozeb, the herbicide Ametryne, and the molluscicide Niclosamide, on the anaerobic digestion of glucose by a mixed bacterial population were evaluated. Effects on activity of a pure culture of the methanogen, Methanosarcina barkeri was also tested. Pronounced inhibition of methanogenesis from glucose was observed for Mancozeb at a concentration of 100 mg.cntdot.1-1. In contrast, methanogenesis by Methanosarcina barkeri was not affected by Ametryne and Mancozeb, although Niclosamide delayed the onset of methanogenesis. Long-term incubations (up to 60 days) indicated relief from Niclosamide inhibition.

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Accession: 002249377

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DOI: 10.1080/09593339109385032

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