[1]孟莉蓉,俞浩丹,杨婷婷,等.2种生物炭对Pb、Cd污染土壤的修复效果[J].江苏农业学报,2018,(04):835-841.[doi:doi:10.3969/j.issn.1000-4440.2018.04.017]
 MENG Li-rong,YU Hao-dan,YANG Ting-ting,et al.Immobilization of two biochars to Pb, Cd in contaminated soils[J].,2018,(04):835-841.[doi:doi:10.3969/j.issn.1000-4440.2018.04.017]
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2种生物炭对Pb、Cd污染土壤的修复效果()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2018年04期
页码:
835-841
栏目:
耕作栽培·资源环境
出版日期:
2018-08-25

文章信息/Info

Title:
Immobilization of two biochars to Pb, Cd in contaminated soils
作者:
孟莉蓉1俞浩丹1杨婷婷1吴继阳1尹微琴1王圣森12侯建华12王小治123
(1.扬州大学环境科学与工程学院,江苏扬州225127;2.扬州大学农业科技发展研究院,江苏扬州225127;3.江苏省有机固体废弃物资源化协同创新中心,江苏南京210095)
Author(s):
MENG Li-rong1YU Hao-dan1YANG Ting-ting1WU Ji-yang1YIN Wei-qin1WANG Sheng-sen12HOU Jian-hua12WANG Xiao-zhi123
(1.College of Environmental Science and Engineering, Yangzhou University, Yangzhou 225127,China;2.Institutes of Agricultural Science and Technology Development, Yangzhou University, Yangzhou 225127, China;3.Jiangsu Collaborative Innovation Center for Soli
关键词:
污泥生物炭垫料生物炭污染土壤钝化
Keywords:
sludge biocharbedding materials derived-biocharPbCdcontaminated soilimmobilization
分类号:
X592
DOI:
doi:10.3969/j.issn.1000-4440.2018.04.017
文献标志码:
A
摘要:
以污泥和发酵床废弃垫料热解制备的生物炭为钝化剂,采用土壤培养试验的BCR分级提取方法研究生物炭对铅(Pb)、镉(Cd)单一和复合污染土壤中重金属形态变化的影响。采用小白菜盆栽试验,研究添加2种生物炭对植株生物量和地上部重金属含量的影响。结果表明:添加生物炭可以促进重金属从弱酸提取态向可氧化态和残渣态转化并降低其生态风险;可以提高小白菜的生物量,其中垫料生物炭处理达到了显著性效果;能降低小白菜地上部Pb、Cd的含量,且在单一重金属污染土壤处理中达到显著性效果;与污泥生物炭相比,垫料生物炭钝化修复Pb、Cd污染土壤的效果更佳。
Abstract:
The biochars made from sludge and the bedding materials were added to contaminated soils to study the effects of biochars on the fractions transformation of heavy metals in lead (Pb) and cadmium (Cd) single and compound contaminated soil by BCR method. Potted experiment was used to assess the influence of adding biochars on the biomass and the heavy metal contents of greens. The results showed that the application of biochars promoted the transformation of the weak acid extractable Pb and Cd to oxidizable and residual fraction, and decreased the ecological risk in soils. The potted experiment results showed that adding biochars increased the biomass of greens, the bedding materials derived-biochar treatment reached significant effect, and adding biochars reduced the absorption of Pb and Cd significantly only in single contaminated soil. Compared with sludge biochar, the bedding materials derived-biochar had better effect on Pb and Cd contaminated soils.

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备注/Memo

备注/Memo:
收稿日期:2017-12-30 基金项目:国家自然科学基金项目(31772394);江苏省社会发展基金项目(BE2015661);江苏省六大人才高峰项目(2013-NY-017);江苏省环境材料与环境工程重点实验室项目(K100029);扬州大学2017年大学生学术科技创新基金项目(2017597) 作者简介:孟莉蓉(1995-),女,江苏南京人,硕士研究生,主要研究方向为环境修复材料。(E-mail)13040282871@163.com 通讯作者:王小治,(E-mail)xzwang@yzu.edu.cn
更新日期/Last Update: 2018-09-04