|本期目录/Table of Contents|

[1]唐艳葵,刘宇阳,刘雯,等.速生桉叶及其水溶物对污泥中铬生物有效性的影响[J].江苏农业科学,2019,47(12):270-273.
 Tang Yankui,et al.Effects of eucalyptus leaf water extracts on bioavailability of Cr in municipal sludge compost[J].Jiangsu Agricultural Sciences,2019,47(12):270-273.
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速生桉叶及其水溶物对污泥中铬生物有效性的影响(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第47卷
期数:
2019年第12期
页码:
270-273
栏目:
资源与环境
出版日期:
2019-07-10

文章信息/Info

Title:
Effects of eucalyptus leaf water extracts on bioavailability of Cr in municipal sludge compost
作者:
唐艳葵12 刘宇阳1 刘雯1 张越1 杨惟薇1 彭小裕1 尹茂众1 梁艳1
1.广西大学资源环境与材料学院,广西南宁 530004; 2.广西石化资源加工及过程强化技术重点实验室,广西南宁 530004
Author(s):
Tang Yankuiet al
关键词:
桉叶提取物城市污泥重金属生物有效性迁移
Keywords:
-
分类号:
X703
DOI:
-
文献标志码:
A
摘要:
城市污泥中含有的重金属是污泥资源化最主要的障碍。在我国南方桉树种植区,每年速生桉树砍伐会在林地遗留大量的桉叶。桉叶中含有单宁等活性物质,可与重金属发生螯合或络合反应。为研究桉叶及溶出物对污泥中铬(Cr)元素生物有效性的影响,通过在城市污泥及其好氧发酵产物中添加桉叶粉末及水提物,考察污泥中Cr形态变化。结果表明,堆肥产物中加入桉叶粉末和桉叶水提取物后,Cr的可交换态、碳酸盐结合态和铁锰氧化物结合态含量均减少,即Cr的生物有效性得以降低;污泥中添加的提取物用量越大,Cr生物有效性的降低越明显;含铬污泥加入桉叶提取物后,Cr的生物有效性同样呈降低的趋势,从不稳定态转化至稳定态,降低了铬的生物有效性及其在环境中迁移的可能性。
Abstract:
-

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备注/Memo

备注/Memo:
收稿日期:2018-03-13
基金项目:国家自然科学基金(编号:51668006);国家社会科学基金西部项目(编号:15XKS018);广西石化资源加工及过程强化技术重点实验室基金。
作者简介:唐艳葵(1965—),女,广西桂林人,博士,教授,从事环境修复及环境友好材料的研究。E-mail:cindyyktang@gxu.edu.cn。
更新日期/Last Update: 2019-06-20