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铁盐与铝盐对腈纶废水生化出水混凝特性的对比
  • ISSN号：1673-9108
  • 期刊名称：环境工程学报
  • 时间：2015.4.5
  • 页码：1521-
  • 分类：X783.4[环境科学与工程—环境工程]
  • 作者机构：[1]中国科学院生态环境研究中心环境水质学国家重点实验室, [2]大连海洋大学海洋科技与环境学院
  • 相关基金：国家自然科学基金创新群体项目(51221892)
  • 相关项目：环境微界面过程与污染控制研究
作者： 兰华春|刘锐平|赵元凤|曲久辉|
关键词： 腈纶废水, 混凝, 重均分子量, 三维荧光光谱
中文摘要：

针对腈纶废水生化单元出水,对比研究了Al2(SO4)3和Fe2(SO4)3在不同絮凝剂投量和p H时的混凝处理效果,并利用紫外-可见分光光度法(UV-Vis)、三维荧光光谱(EEM)、凝胶渗透色谱(HPSEC)等对混凝特性进行了初步探讨。研究显示,2种混凝剂在投量为63.5 mg/L时可获得30%以上的COD去除率,且最佳p H为中性附近。当投量小于32 mg/L时,Al2(SO4)3较Fe2(SO4)3具有更高的COD去除率,进一步增大混凝剂的投量很难提高Al2(SO4)3对COD的去除率,而Fe2(SO4)3则在有限范围内能持续提高COD去除率。EEM光谱分析显示,与Al2(SO4)3相比,Fe2(SO4)3对有机物具有更广的处理范围和更好的去除效果。HPSEC分析表明,Fe2(SO4)3相对于Al2(SO4)3在去除重均分子量为2 776、1 856和1 325 Da的有机物组分方面具有优势。铁盐或铝盐混凝是深度净化腈纶废水生化单元出水的可行方案之一。

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环境微界面过程与污染控制研究
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期刊信息
  • 《环境工程学报》
  • 中国科技核心期刊
  • 主管单位:中国科学院
  • 主办单位:中国科学院生态环境研究中心
  • 主编：曲久辉
  • 地址：北京东黄城根北街16号
  • 邮编：100017
  • 邮箱：
  • 电话：010-62941074
  • 国际标准刊号：ISSN：1673-9108
  • 国内统一刊号：ISSN：11-5591/X
  • 邮发代号:82-448
  • 获奖情况:
  • 国内外数据库收录:
  • 美国化学文摘（网络版）,荷兰文摘与引文数据库,日本日本科学技术振兴机构数据库,中国中国科技核心期刊,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）,英国英国皇家化学学会文摘
  • 被引量:20083