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改性污泥脱水性能的中试研究

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孟令鑫, 汪家权, 张辉. 改性污泥脱水性能的中试研究[J]. 环境工程学报, 2015, 9(10): 5078-5082. doi: 10.12030/j.cjee.20151074
引用本文: 孟令鑫, 汪家权, 张辉. 改性污泥脱水性能的中试研究[J]. 环境工程学报, 2015, 9(10): 5078-5082. doi: 10.12030/j.cjee.20151074
shu
Meng Lingxin, Wang Jiaquan, Zhang Hui. Pilot-scale study on modified sludge dewatering properties[J]. Chinese Journal of Environmental Engineering, 2015, 9(10): 5078-5082. doi: 10.12030/j.cjee.20151074
Citation: Meng Lingxin, Wang Jiaquan, Zhang Hui. Pilot-scale study on modified sludge dewatering properties[J]. Chinese Journal of Environmental Engineering, 2015, 9(10): 5078-5082. doi: 10.12030/j.cjee.20151074
shu

改性污泥脱水性能的中试研究

  • 1.

    合肥工业大学资源与环境工程学院, 合肥 230009

  • 2.

    安徽国祯环保节能科技股份有限公司, 合肥 230088

  • 基金项目:

    国家"863"高技术研究发展计划项目(2009AA064701)

  • 中图分类号: X705

Pilot-scale study on modified sludge dewatering properties

  • 1.

    School of Resources and Environmental Engineering, Hefei University of Technology, Hefei 230009, China

  • 2.

    Anhui Guozhen Environmental Protection Technology Polytron Technologies Inc, Hefei 230088, China

  • Fund Project:

  • 摘要: 为了将改性处理之后的污泥含水率降低至55%以下,节约后续直接填埋或者焚烧污泥等处置费用,利用某污水处理厂的污泥高干脱水装置,采用铁盐、石灰、PAC和PAM复合使用对污泥改性处理,研究改性处理后的污泥经板框压滤之后脱水的效果。结果表明,投入待处理污泥干重的10%硫酸亚铁和20%石灰,3%氯化铁与20%石灰,13%聚合氯化铝与0.3%聚丙烯酰胺改性较为理想,改性后的污泥经隔膜压滤后极大地降低了污泥的体积,对工程应用具有一定指导意义。
    Abstract: In order to reduce the moisture content of the treated sludge to 55%,and to lower the cost of post-treatment for the sludge (i.e.direct landfills,or sludge incineration),the reprocessed sludge with improved method was taken through frame filters to determine the sludge dewatering properties.In the sludge treatment,we adopted ferric,salt,lime,PAC and PAM under different ratios to modify the sludge,and also used a sludge dewatering device in a sewage treatment plant.The results showed that addition of mixed materials (10% the ferrous sulfate and 25% lime of the dry weight sludge,or 3% ferric chloride and 20% lime,or 13% PAC and 0.3% PAM) were sufficient to reduce the volume of sludge after the diaphragm filter press,which have a good practical significance for engineering applications.
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出版历程
  • 收稿日期:  2014-10-10
  • 刊出日期:  2015-10-14
孟令鑫, 汪家权, 张辉. 改性污泥脱水性能的中试研究[J]. 环境工程学报, 2015, 9(10): 5078-5082. doi: 10.12030/j.cjee.20151074
引用本文: 孟令鑫, 汪家权, 张辉. 改性污泥脱水性能的中试研究[J]. 环境工程学报, 2015, 9(10): 5078-5082. doi: 10.12030/j.cjee.20151074
shu
Meng Lingxin, Wang Jiaquan, Zhang Hui. Pilot-scale study on modified sludge dewatering properties[J]. Chinese Journal of Environmental Engineering, 2015, 9(10): 5078-5082. doi: 10.12030/j.cjee.20151074
Citation: Meng Lingxin, Wang Jiaquan, Zhang Hui. Pilot-scale study on modified sludge dewatering properties[J]. Chinese Journal of Environmental Engineering, 2015, 9(10): 5078-5082. doi: 10.12030/j.cjee.20151074
shu

改性污泥脱水性能的中试研究

  • 1. 合肥工业大学资源与环境工程学院, 合肥 230009
  • 2. 安徽国祯环保节能科技股份有限公司, 合肥 230088
  • 收稿日期:  2014-10-10
基金项目:

国家"863"高技术研究发展计划项目(2009AA064701)

摘要: 为了将改性处理之后的污泥含水率降低至55%以下,节约后续直接填埋或者焚烧污泥等处置费用,利用某污水处理厂的污泥高干脱水装置,采用铁盐、石灰、PAC和PAM复合使用对污泥改性处理,研究改性处理后的污泥经板框压滤之后脱水的效果。结果表明,投入待处理污泥干重的10%硫酸亚铁和20%石灰,3%氯化铁与20%石灰,13%聚合氯化铝与0.3%聚丙烯酰胺改性较为理想,改性后的污泥经隔膜压滤后极大地降低了污泥的体积,对工程应用具有一定指导意义。

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