再生水灌溉土壤典型内分泌干扰物的 急性毒性变化规律研究
【目的】探究再生水灌溉条件下土壤中内分泌干扰物在不同通气状态下的毒性降解变化规律。【方法】采用生物急性毒性测试方法，以费氏弧菌为测试生物，通过配制模拟灌溉年限分别为10 a（Y1）、50 a（Y2）、100 a（Y3）、500 a（Y4）和1 000 a（Y5）的内分泌干扰物浓度水平，研究不同灌溉年限土壤在通气状态（T1）、半封闭状态（T2）和完全封闭状态（T3）下的急性毒性变化规律。【结果】T1处理下，土壤环境急性毒性呈增强趋势，但仍处于较低水平，最大发光抑制率为28.23%；T2处理下，土壤环境急性毒性先降低后升高，内分泌干扰物前期降解缓慢，随着时间的推移，降解产物导致土壤环境急性毒性增强...
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| Published in | Guanʻgai paishui xuebao Vol. 43; no. 3; p. 64 |
|---|---|
| Main Authors | , , , , , |
| Format | Journal Article |
| Language | Chinese English |
| Published |
Xinxiang City
Chinese Academy of Agricultural Sciences (CAAS) Farmland Irrigation Research Institute Editorial Office of Journal of Irrigation and Drainage
01.03.2025
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1672-3317 |
| DOI | 10.13522/j.cnki.ggps.2024214 |
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| Abstract | 【目的】探究再生水灌溉条件下土壤中内分泌干扰物在不同通气状态下的毒性降解变化规律。【方法】采用生物急性毒性测试方法，以费氏弧菌为测试生物，通过配制模拟灌溉年限分别为10 a（Y1）、50 a（Y2）、100 a（Y3）、500 a（Y4）和1 000 a（Y5）的内分泌干扰物浓度水平，研究不同灌溉年限土壤在通气状态（T1）、半封闭状态（T2）和完全封闭状态（T3）下的急性毒性变化规律。【结果】T1处理下，土壤环境急性毒性呈增强趋势，但仍处于较低水平，最大发光抑制率为28.23%；T2处理下，土壤环境急性毒性先降低后升高，内分泌干扰物前期降解缓慢，随着时间的推移，降解产物导致土壤环境急性毒性增强，但土壤最终呈无毒或微毒状态；T3处理下，土壤中内分泌干扰物的降解缓慢或趋于停滞，土壤急性毒性水平介于13.70%~21.65%。【结论】不同污染浓度的土壤浸提液并未表现出明显的急性毒性，通气条件对环境中内分泌干扰物的降解存在显著差异。 |
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| AbstractList | 【目的】探究再生水灌溉条件下土壤中内分泌干扰物在不同通气状态下的毒性降解变化规律。【方法】采用生物急性毒性测试方法，以费氏弧菌为测试生物，通过配制模拟灌溉年限分别为10 a（Y1）、50 a（Y2）、100 a（Y3）、500 a（Y4）和1 000 a（Y5）的内分泌干扰物浓度水平，研究不同灌溉年限土壤在通气状态（T1）、半封闭状态（T2）和完全封闭状态（T3）下的急性毒性变化规律。【结果】T1处理下，土壤环境急性毒性呈增强趋势，但仍处于较低水平，最大发光抑制率为28.23%；T2处理下，土壤环境急性毒性先降低后升高，内分泌干扰物前期降解缓慢，随着时间的推移，降解产物导致土壤环境急性毒性增强，但土壤最终呈无毒或微毒状态；T3处理下，土壤中内分泌干扰物的降解缓慢或趋于停滞，土壤急性毒性水平介于13.70%~21.65%。【结论】不同污染浓度的土壤浸提液并未表现出明显的急性毒性，通气条件对环境中内分泌干扰物的降解存在显著差异。 |
| Author | HAN, Yuguo HU Yaqi HE Shunneng MA, Meng JIANG Tingting WU, Wenyong |
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| Snippet | 【目的】探究再生水灌溉条件下土壤中内分泌干扰物在不同通气状态下的毒性降解变化规律。【方法】采用生物急性毒性测试方法，以费氏弧菌为测试生物，通过配制模拟灌溉年限分别为10 a（Y1）、50 a（Y2）、100 a（Y3）、500 a（Y4）和1 000... |
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| SubjectTerms | Acute toxicity Aerobic conditions Anaerobic conditions Bioavailability Bisphenol A Degradation Domestic wastewater Endocrine disruptors Impaired water use Irrigation Irrigation water Metabolites Nonylphenol Reclaimed water Soils Toxicity Wastewater Wastewater renovation Water reclamation |
| Title | 再生水灌溉土壤典型内分泌干扰物的 急性毒性变化规律研究 |
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