Biodegradation kinetics at low concentrations (<1μg/L) for aquifer pesticide contaminants

机译：低浓度（<1μg/ L）对含水层农药污染物的生物降解动力学

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Aerobic biodegradation of 2,4-dichlorophenoxyacetic acid (2,4-D) was studied in groundwater added sediment fines. At concentrations at or below 1μg/L of 2,4-D degradation kinetic was of true first order without significant growth of specific degraders and with half-life for mineralization in the order of 200 days. Higher concentrations of 2,4-D resulted in a grossly overestimate of the actual degradation rate for concentrations characteristic for Danish found in groundwater.

机译：研究了在添加了沉淀物的地下水中对2,4-二氯苯氧基乙酸（2,4-D）的好氧生物降解。当浓度等于或低于1μg/ L的2,4-D时，降解动力学是真正的一级反应，没有特定降解物的显着增长，并且矿化的半衰期为200天左右。 2,4-D的较高浓度导致对地下水中发现的丹麦特色浓度的实际降解率的高估。

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来源
《International Conference on Groundwater Research, Jun 6-8, 2000, Copenhagen, Denmark》|2000年|p.167-168|共2页
会议地点 Copenhagen Denmark
作者
L. Toraeng; H.-J. Albrechtsen; N. Nyholm;
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作者单位

Department of Environmental Science and Engineering, Technical University of Denmark, DK-2800 Lyngby;

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会议组织
原文格式 PDF
正文语种 eng
中图分类 P6;
关键词
2,4-D; aerobic aquifer; adaptation; biodegradation; kinetic rates;

机译：2,4-D;有氧含水层;适应;生物降解动力学速率;

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1. Kinetics and Yields of Pesticide Biodegradation at Low Substrate Concentrations and under Conditions Restricting Assimilable Organic Carbon [J] . Damian E. Helbling, Frederik Hammes, Thomas Egli, Applied and Environmental Microbiology . 2014,第4期

机译：低底物浓度和限制可同化有机碳的条件下农药生物降解的动力学和产率
2. Kinetics and Yields of Pesticide Biodegradation at Low Substrate Concentrations and under Conditions Restricting Assimilable Organic Carbon [J] . Damian E. Helbling, Frederik Hammes, Thomas Egli, Applied Microbiology . 2014,第4期

机译：低底物浓度和限制可同化有机碳的条件下农药生物降解的动力学和产率
3. Mass-Transfer-Limited Biodegradation at Low Concentrations-Evidence from Reactive Transport Modeling of Isotope Profiles in a Bench-Scale Aquifer [J] . Fengchao Sun, Adrian Mellage, Mehdi Gharasoo, Environmental Science & Technology . 2021,第11期

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4. Biodegradation kinetics at low concentrations (<1μg/L) for aquifer pesticide contaminants [C] . L. Toraeng, H.-J. Albrechtsen, N. Nyholm International conference on groundwater research . 2000

机译：用于含水层农药污染物的低浓度（<1μg/l）的生物降解动力学
5. Biodegradation of atrazine as affected by high concentration, co-contaminant presence, and sorption-desorption processes. [D] . Grigg, Brandon Clay. 1997

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6. Biodegradation of Pesticides at the Limit: Kinetics and Microbial Substrate Use at Low Concentrations [O] . Johannes Wirsching, Holger Pagel, Franziska Ditterich, 2020

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8. BIOPLUME (Biodegradation in Aquifers and Developing a Mathematical Model) for Contaminant Transport Affected by Oxygen Limited Biodegradation [R] . Rifai, H. S., Bedient, P. B., Wilson, J. T. 1989

机译：BIOpLUmE（含水层中的生物降解和开发数学模型）受氧气限制生物降解影响的污染物运输

Biodegradation kinetics at low concentrations (<1μg/L) for aquifer pesticide contaminants

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