[1]梁止水,杨才千,高海鹰,等.建筑工程废弃泥浆快速泥水分离试验研究[J].东南大学学报(自然科学版),2016,46(2):427-433.[doi:10.3969/j.issn.1001-0505.2016.02.031]
 Liang Zhishui,Yang Caiqian,Gao Haiying,et al.Experimental study on rapid separation between water and slurry from construction engineering[J].Journal of Southeast University (Natural Science Edition),2016,46(2):427-433.[doi:10.3969/j.issn.1001-0505.2016.02.031]
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建筑工程废弃泥浆快速泥水分离试验研究()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
46
期数:
2016年第2期
页码:
427-433
栏目:
土木工程
出版日期:
2016-03-20

文章信息/Info

Title:
Experimental study on rapid separation between water and slurry from construction engineering
作者:
梁止水1杨才千12高海鹰1吴智仁3
1东南大学土木工程学院, 南京210096; 2东南大学混凝土及预应力混凝土结构教育部重点实验室, 南京210096; 3江苏大学环境与安全学院, 镇江212013
Author(s):
Liang Zhishui1 Yang Caiqian12 Gao Haiying1 Wu Zhiren3
1School of Civil Engineering, Southeast University, Nanjing 210096, China
2Key Laboratory of Concrete and Prestressed Concrete Structures of Ministry of Education, Southeast University, Nanjing 210096, China
3Schoo
关键词:
建筑泥浆 快速泥水分离 絮凝 含水率 絮凝机理
Keywords:
construction mud rapid separation between water and slurry flocculation moisture content flocculation mechanism
分类号:
TU41
DOI:
10.3969/j.issn.1001-0505.2016.02.031
摘要:
为了研究建筑工程废弃泥浆的快速泥水分离性能、提高泥浆泥水分离速率,采用化学絮凝的方法对建筑废弃泥浆快速泥水分离性能进行了试验研究.分析了多种无机絮凝剂、有机絮凝剂及复合絮凝剂对建筑工程泥浆的快速泥水分离性能的影响,得到了絮凝剂种类、添加量与泥水分离效果的关系.结果表明:有机絮凝剂对建筑泥浆具有较好的快速泥水分离效果,泥水分离后泥浆含水率小于50%,而无机絮凝剂和复合絮凝剂的泥水分离效果较差;从泥浆的组成及性质分析可知,加入的有机絮凝剂与泥浆颗粒之间除了有压缩双电层作用外,絮凝剂还起到吸附架桥的作用;经有机絮凝剂分离的上清液中,TN和TP含量达到《城镇污水处理厂污染物排放标准》的一级A及CODcr一级B排放标准.
Abstract:
To study the properties of rapid separation between water and slurry from construction engineering and improve its separation rate, Experiments in chemical flocculation methods were conducted, the influence on the performances of rapid separation between water and slurry by different flocculants including inorganic flocculants, organic polymer flocculants and composite flocculation were analyzed and the relationships among the type and adding amount of flocculants and the efficiency of separation between water and slurry were obtained. The results showed that organic flocculants had a relatively better effect compared with the inorganic flocculants and composite flocculants, and the moisture content of dewatered slurry could be reduced to below 50%. With respect to the components and properties of construction slurry, the mechanism of separation between water and construction slurry was not only compression of double electric layer between organic flocculants and slurry particles, but also the effects of adsorption bridging action. What’s more, the A standard of TN and TP and B standard of CODcr had been obtained from experiments of water quality monitoring according to the “discharge standard of pollutants for municipal wastewater treatment plant”.

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备注/Memo

备注/Memo:
收稿日期: 2015-06-05.
作者简介: 梁止水(1988—),男,博士生;杨才千(联系人),男,博士,教授,博士生导师,ycqjxx@hotmail.com.
基金项目: “十二五”国家科技支撑计划资助项目(2013BAC05B02)、江苏省普通高校研究生创新计划资助项目(KYLX15_0083)、南京市科技发展计划资助项目(2014sc312035).
引用本文: 梁止水,杨才千,高海鹰,等.建筑工程废弃泥浆快速泥水分离试验研究[J].东南大学学报(自然科学版),2016,46(2):427-433. DOI:10.3969/j.issn.1001-0505.2016.02.031.
更新日期/Last Update: 2016-03-20