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磷酸铵镁沉淀法预处理垃圾渗滤液中的NH_4~+
  • ISSN号：1001-9677
  • 期刊名称：广州化工
  • 时间：2011
  • 页码：4-6+16
  • 分类：TQ127.2[化学工程—无机化工]
  • 作者机构：[1]湖南大学环境科学与工程学院,环境生物与控制教育部重点实验室,湖南长沙410082
  • 相关基金：国家自然科学基金项目（51078128）
  • 相关项目：活性污泥单级好氧反向诱导生物除磷的代谢机理研究
作者： 岳秀|李小明|申婷婷|郑伟|王冬波|曹建兵|
关键词： 垃圾渗滤液, 磷酸铵镁, NH4+, landfill leachate, struvite, NH＋4
中文摘要：

采用磷酸铵镁法预处理垃圾渗滤液中的氨氮。结果表明：当pH值为9.5,温度为20℃,[Mg2＋]/[NH4＋]/[PO34-]摩尔比为0.8∶1∶1,反应时间为20 min,静置时间为20 min时,NH4＋的去除率达到100.0%。经SEM分析,沉淀物中立方型晶体为磷酸铵镁,针状型晶体可能为磷酸铵镁与磷酸镁的混合物。经EDS分析,该方法不但能有效去除NH4＋,还可以同时去除垃圾渗滤液中的其他污染物质。

英文摘要：

The struvite pretreatment method was used to remove NH＋4 in raw landfill leachate.The results were revealed that the NH＋4 removal efficiency was up to 100.0% when pH was 9.5,temperature was 20 ℃,molar ratio of // was 0.8：1：1,reaction time was 20 min and settling time was 20 min.SEM images were indicated that the cubic crystals were identified as struvite,and the acicular crystals were identified as the mixture of struvite and magnesium phosphate.EDS analysis of precipitates after experiment was demonstrated that this method could not only remove NH＋4,but also remove other pollutant in raw landfill leachate.

同期刊论文项目
活性污泥单级好氧反向诱导生物除磷的代谢机理研究
期刊论文 44
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期刊信息
  • 《广州化工》
  • 主管单位:广州化工集团有限公司
  • 主办单位:广州市化学化工学会 广州市化学工业研究设计院 广州市化工行业协会
  • 主编：吴文莉
  • 地址：广州市白云区石井镇联和路2号万力创新园D座
  • 邮编：510425
  • 邮箱：gzhgbjb@vip.126.com gzhgbjb@126.com
  • 电话：020-36372165
  • 国际标准刊号：ISSN：1001-9677
  • 国内统一刊号：ISSN：44-1228/TQ
  • 邮发代号:
  • 获奖情况:
  • 全国第一届优秀科技期刊,广东首届优秀期刊,广州首届优秀期刊
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  • 美国化学文摘（网络版）
  • 被引量:20516