全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

污水污泥中重金属污染物的溶出过程研究

Keywords: 污水污泥,重金属,溶出负荷,溶出动力学

Full-Text   Cite this paper   Add to My Lib

Abstract:

污水污泥中污染物尤其是重金属的水体浸出作为重要的二次污染途径备受关注。为了探讨污水污泥中重金属的溶出规律,对上海7个污水处理厂的污水污泥进行了重金属总量分析,并采用水平振荡法对上述污水污泥中重金属进行了溶出动力学研究。结果表明,污水污泥中Cu、Cr和Zn的含量均较高,之后依次是Pb、As、Cd和Hg;污水污泥中重金属溶出动力学过程分为快速反应和慢速反应两个过程,可以用Elovich方程进行模拟;污水污泥中各重金属的溶出负荷差异较大,Cu、Cr和Zn的溶出负荷较大,其他较小,但各重金属相对于污水污泥中重金属总量的溶出百分比差异不大,基本处于10%以下。

References

[1]  Huyuan Z., Bao W., Xingling D., et al. Leachability of heavy metals from solidified sludge. Sci. China Ser. E-Tech. Sci., 2009, 52(7):1906-1912
[2]  孙玉焕,骆永明,吴龙华,等.长江三角洲地区城市污水污泥重金属含量研究.环境保护科学,2009,35(4):26-29 Sun Y. H., Luo Y. M., Wu L. H., et al. Heavy metals concentration in sewage sludge of Yangtze River Delta. Environmental Protection Science, 2009, 35(4):26-29(in Chinese)
[3]  涂从.土壤体系中的化学动力学方程及其应用.热带亚热带土壤科学,1994,3(3):175-182 Tu C. Equations of chemical kinetics and their application to soil system. Tropical and Subtropical Soil Science, 1994, 3(3):175-182(in Chinese)
[4]  邹绍文,张树清,王玉军,等.中国城市污泥的性质和处置方式及土地利用前景.中国农学通报,2005,21(1):198-201 Zou S. W., Zhang S. Q., Wang Y. J., et al. Character and disposal of municipal sludge and its prospect of using on farmland and forestland in China. Chinese Agricultural Science Bulletin, 2005, 21(1):198-201(in Chinese)
[5]  邱兆富,周琪.国内城市污水污泥的特点及处理处置对策.中国沼气,2004,22(2):22-25 Qiu Z. F., Zhou Q. Characteristics and treatment countermeasures of municipal sewage sludge in China. China Biogas, 2004, 22(2):22-25(in Chinese)
[6]  王继纲,陈金民.厦门港湾潮间带沉积物中汞的赋存形态及其释放动力学.台湾海峡,2011,30(3):310-314 Wang J. G., Chen J. M. Release kinetics and speciation of mercury in the intertidal sediments of Xiamen harbor. Journal of Oceanography in Taiwan Strait, 2011, 30(3):310-314(in Chinese)
[7]  俞慎,历红波.沉积物再悬浮-重金属释放机制研究进展.生态环境学报,2010,19(7):1724-1731 Yu Z., Li H. B. Perspectives on the release of heavy metals via sediment resuspension. Ecology and Environmental Sciences, 2010, 19(7):1724-1731(in Chinese)
[8]  李娟英,陈洁芸,石恺柘,等.污水污泥及其浸出液重金属污染的化学分析与评价.安全与环境学报,2013,13(3):115-121 Li J. Y., Chen J. Y., Shi K. Z., et al. Chemical analysis and assessment on heavy metal pollution of sewage sludge and leaching solution. Journal of Safety and Environment, 2013, 13(3):115-121(in Chinese)
[9]  宋明义,胡艳华,黄春雷,等.不同酸度淋溶条件下石煤中Cd、Pb释放速率.地球化学,2011,40(6):588-595 Song M. Y., Hu Y. H., Huang C. L., et al. Study on the release rate of Cd, Pb from stone coal under leaching conditions of different pH values. Geochimica, 2011, 40(6):588-595(in Chinese)
[10]  Laturnus F., Arnold C., Grn C. Organic contaminants from sewage sludge applied to agricultural soils. Environmental Science and Pollution Research-International, 2007, 14(1):53-60
[11]  戴晓虎.我国城镇污泥处理处置现状及思考.给水排水,2012,38(2):1-5 Dai X. H. Present situation and thought of town sludge treatment and disposal. Water & Wastewater Engineering, 2012, 38(2):1-5(in Chinese)
[12]  廖世国,黄启飞,周在江,等.废水污泥中重金属的浸出特性研究.三峡环境与生态,2010,3(1):24-26 Liao S. G., Huang Q. F., Zhou Z. J., et al. Study on leaching characteristics of heavy metals in waster water sludge. Environment and Ecology in the three Gorges, 2010, 3(1):24-26(in Chinese)
[13]  刘峰,王琪,黄启飞,等.固体废物浸出毒性浸出方法标准研究.环境科学研究,2008,21(6):9-15 Liu F., Wang Q., Huang Q. F., et al. Study on the standard methods of leaching toxicity of solid waste. Research of Environmental Science, 2008, 21(6):9-15(in Chinese)
[14]  李晓晨,赵丽,印华斌.浸提剂pH值对污泥中重金属浸出的影响.生态环境,2008,17(1):190-194 Li X. C., Zhao L., Yin H. B. The influence of pH value of extractant on the leachability of heavy metals in sewage sludge. Ecology and Environment, 2008, 17(1):190-194(in Chinese)

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133