土霉素、镉复合污染土壤的植物-微生物强化修复效果

doi:10.11934/j.issn.1673-4831.2017.03.011

生态与农村环境学报 ›› 2017, Vol. 33 ›› Issue (3): 270-274.doi: 10.11934/j.issn.1673-4831.2017.03.011

土霉素、镉复合污染土壤的植物-微生物强化修复效果

陈苏^1,2, 晁雷², 沙桐², 孙家君³, 皮珍军³, 陈宁¹, 马鸿岳¹, 单岳¹

1. 沈阳大学环境学院/区域污染环境生态修复教育部重点实验室, 辽宁沈阳 110044;
2. 沈阳建筑大学市政与环境学院, 辽宁沈阳 110168;
3. 北京桑德环境工程有限公司, 北京 101102

收稿日期:2016-07-11 出版日期:2017-03-25 发布日期:2017-03-25
作者简介:陈苏(1979-),女,辽宁沈阳人,副教授,博士,主要从事环境科学与工程方面的研究。E-mail:mailchensu@aliyun.com
基金资助:
沈阳建筑大学学科涵育项目（XKHY-36）；辽宁省自然科学基金（2014020099）；沈阳市科技计划项目（F14-133-9-00）；国家重点基础研究发展计划（973计划）（2014CB441106）；沈阳大学大学生创新训练计划（201511035083）

Effect of Plant-Microbe Intensified Remediation of Soil Polluted With Oxytetracycline and Cadmium

CHEN Su^1,2, CHAO Lei², SHA Tong², SUN Jia-jun³, PI Zhen-jun³, CHEN Ning¹, MA Hong-yue¹, SHAN Yue¹

1. School of Environmental Studies, Shenyang University/Key Laboratory of Regional Environment and Eco-Remediation, Ministry of Education, Shenyang 110044, China;
2. College of Municipal and Environmental Engineering, Shenyang Jianzhu University, Shenyang 110168, China;
3. Beijing Sander Environmental Engineering Co. Ltd., Beijing 101102, China

Received:2016-07-11 Online:2017-03-25 Published:2017-03-25

摘要/Abstract

摘要：

选用观赏性植物孔雀草（Tagetes patula）作为修复植物，对土霉素有良好降解效果的细菌（Phyllobacterium myrsinacearum）和真菌（Rhodotorula mucilaginosa）的混合菌液作为降解微生物，并辅以肥料（硫酸铵、磷酸二氢钙、氯化钾），有机酸（酒石酸、草酸、柠檬酸）和化学螯合剂（NTA和EDTA）8种强化处理，对土霉素-镉复合污染土壤进行植物微生物联合强化修复研究。结果表明，孔雀草对土壤中镉的富集量从大到小依次为硫酸铵≈氯化钾 >EDTA >酒石酸 >草酸 >磷酸二氢钙 >NTA >柠檬酸 >对照。肥料处理对于降解菌降解土霉素的效果最好，其次是有机酸处理，螯合剂处理降解效果较差。综合而言，硫酸铵肥料对镉的富集和土霉素的降解效果最佳。

关键词: 镉, 土霉素, 孔雀草, 强化措施

Abstract:

A soil remediation experiment was carried out with maidenhair (Tagetes patula)as phyto-remedifier, bacteria (phyllobacterium myrsinacearum)-fungi (Rhodotorula mucilaginosa) mixture solution as bacto-remedifier, and fertilizers (ammonia sulfate, calcium biphosphate and potassium chloride), organic acids (tartaric acid, oxalic acid, and citric acid) and chelating agents ( NTA and EDTA) as eight separate intensifiers, to treat a soil polluted with cadmium (Cd) and oxytetracycline together. In terms of the effect of intersifying Tagetes patula's enrichment of Cd, the eight intensifiers displayed a decreasing order of ammonia sulfate≈potassium chloride> EDTA> tartaric acid> oxalic acid> calcium biphosphate >NTA> citric acid >control, while in terms of the effect of intensifying degradation of oxytetracycline, fertilizers were on the top, followed by organic acids and wound up by chelating agents. And among the fertilizers, ammonia sulfate was the most effective in remedying Cd and oxytetracycline polluted soils.

Key words: cadmium, oxytetracycline, Tagetes patula, intensifying measure

中图分类号:

陈苏, 晁雷, 沙桐, 孙家君, 皮珍军, 陈宁, 马鸿岳, 单岳. 土霉素、镉复合污染土壤的植物-微生物强化修复效果[J]. 生态与农村环境学报, 2017, 33(3): 270-274.

CHEN Su, CHAO Lei, SHA Tong, SUN Jia-jun, PI Zhen-jun, CHEN Ning, MA Hong-yue, SHAN Yue. Effect of Plant-Microbe Intensified Remediation of Soil Polluted With Oxytetracycline and Cadmium[J]. Journal of Ecology and Rural Environment, 2017, 33(3): 270-274.

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土霉素、镉复合污染土壤的植物-微生物强化修复效果

Effect of Plant-Microbe Intensified Remediation of Soil Polluted With Oxytetracycline and Cadmium

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