|本期目录/Table of Contents|

[1]王富强,王海花,张禹,等.蚯蚓-木薯渣联合作用对热带城市污泥中重金属含量的影响[J].江苏农业科学,2016,44(05):437-441.
 Wang Fuqiang,et al.Effect of joint action of earthworm-cassava dregs on heavy metal content in tropical city sludge[J].Jiangsu Agricultural Sciences,2016,44(05):437-441.
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蚯蚓-木薯渣联合作用对热带城市污泥中
重金属含量的影响
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第44卷
期数:
2016年05期
页码:
437-441
栏目:
资源与环境
出版日期:
2016-05-25

文章信息/Info

Title:
Effect of joint action of earthworm-cassava dregs on heavy metal content in tropical city sludge
作者:
王富强13 王海花23 张禹13 程华民23 赵洪伟13 刁晓平23
1.海南大学环境与植物保护学院,海南海口 570228; 2.海南大学农学院,海南海口 570228;
3.海南省海口市环境毒理学重点实验室,海南海口 570228
Author(s):
Wang Fuqianget al
关键词:
热带地区城市污泥赤子爱胜蚓木薯渣重金属
Keywords:
-
分类号:
X703
DOI:
-
文献标志码:
A
摘要:
通过蚯蚓-木薯渣联合作用与单一蚯蚓作用处理热带城市污泥试验,比较研究了蚯蚓生物量、污泥理化性质及重金属含量变化情况,并对污泥农用做了潜在生态风险评价,比较2种处理方式对污泥的处理效果。结果表明:蚯蚓-木薯渣联合作用不仅能够同时处理2种热带农业废弃物,而且在增加蚯蚓生物量、降低污泥重金属含量及潜在生态风险方面的效果优于单一蚯蚓作用。联合组蚯蚓个体平均质量增幅115.33%,高于单一组的106.33%,总产茧量85.33个也高于单一组的76.33个。pH值分别下降0.47、0.80,电导率分别增加793、1 668 μS/cm,有机质分别降低15.5%、13.52%,联合组全氮含量显著下降20.18%,单一组降低不明显。联合组与单一组污泥中重金属含量降低次序分别为Pb、Cr、Zn、Ni、Cu和Pb、Zn、Cr、Ni、Cu,联合组在Cr、Cu、Ni 3种元素的降低效果中优于单一组,处理后污泥重金属总量相对更低;蚯蚓体内重金属富集次序分别为Cr、Ni、Pb、Cu、Zn和Ni、Cr、Cu、Pb、Zn,联合组蚯蚓对Cr、Pb、Zn、Ni 4种重金属的富集效果优于单一组,富集重金属总量也高于单一组。通过Hakanson生态风险评估,联合作用污泥处理后由中等风险变为低风险,单一蚯蚓作用处理前后均为中等风险。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2015-12-02
基金项目:国家科技支撑计划(编号:2014BAD02B00);海南省研究生创新课题(编号:hys2014-11);海南大学环境毒理学研究生创新中心项目(编号:01J1N10001003)。
作者简介:王富强(1991—),男,安徽宣城人,硕士研究生,从事固体废弃物资源化利用研究。E-mail:wangfuqiang1991@126.com。
通信作者:刁晓平,教授,从事生态毒理学和废弃物资源化研究。E-mail:diaoxip@hainu.edu.cn。
更新日期/Last Update: 2016-05-25