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首页> 外文会议>International Conference on Groundwater Research, Jun 6-8, 2000, Copenhagen, Denmark >Evaluating in situ bioaugmentation remediation of atrazine-contaminated groundwater
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Evaluating in situ bioaugmentation remediation of atrazine-contaminated groundwater

机译：评价阿特拉津污染的地下水的原位生物强化修复

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摘要

A bioaugmentation (addition of microorganisms) remediation strategy has been evaluated for atrazine in laboratory and field-scale experiments. Bacteria capable of degrading atrazine were isolated from the field site and characterized. Testing of the probable field strategy using large-scale columns under aerobic conditions showed bacteria in the pesticide-contaminated groundwater were capable of degrading atrazine at zero order rates of 240 - 400 μg L~(-1) day~(-1) or t_(1/2) = 0.34 days. The field trial, at the leading edge of the plume, using a semi-passive oxygen delivery system combined with bioaugmentation of atrazine-degrading bacteria isolated from near the source of contamination is on-going and results are continuing to be interpreted.
机译：在实验室和现场规模的实验中，已经评估了阿特拉津的生物强化（添加微生物）修复策略。从现场分离出能够降解阿特拉津的细菌并进行表征。在需氧条件下使用大型色谱柱对可能的田间策略进行测试，结果表明，农药污染的地下水中的细菌能够以240-400μgL〜（-1）天〜（-1）或t_的零级速率降解阿特拉津。 （1/2）= 0.34天。在烟羽前沿使用半被动氧气输送系统，结合从污染源附近分离出的阿特拉津降解细菌的生物增强技术，正在进行现场试验，其结果仍在继续。

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