Biotransformation of Pesticides in Simulated Groundwater Columnsby Gregory G. Wilber, (A.M.ASCE), Oklahoma State Univ, Stillwater, United States,
Stuart R. Garrett, Oklahoma State Univ, Stillwater, United States,
Document Type: Proceeding Paper
Part of: Critical Issues in Water and Wastewater Treatment
Abstract: Experiments were performed to investigate the biotransformation of the pesticides alachlor, propachlor, atrazine, and bromacil under aerobic and nitrate-reducing conditions. Glass bead columns with attached, acetate-supported biofilms were used. Degradation of alachlor and propachlor was significant in both columns, and was not sensitive to short-term losses in the primary substrate. Biotransformation of bromacil and atrazine was minimal in these cultures, regardless of the amount of acetate present.
Subject Headings: Columns | Pesticides | Chemical degradation | Nitrates | Glass | Substrates | Groundwater | Biofilm
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