The Conditioning Effect of the Sludge from Water Plant with Polymer Flocculant AP and Morphologic Properties

HUANG  Hui; LI  Dong-Mei; RUAN  Cai-Qun; HE  Na; REN  Yi; LIU  Chun-Liu

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The Conditioning Effect of the Sludge from Water Plant with Polymer Flocculant AP and Morphologic Properties

更新时间：2026-05-27

- The Conditioning Effect of the Sludge from Water Plant with Polymer Flocculant AP and Morphologic Properties
- Vol. 28, Issue 2, Pages: 12-16(2011)
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- Online First：25 June 2011，
  
  Published：2011
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黄辉, 李冬梅, 阮彩群, 何娜, 任毅, 刘春柳. 高分子絮凝剂对水厂排泥水的调质效果与絮凝形态学特性[J]. 广东工业大学学报, 2011, 28(2): 12-16.

HUANG Hui, LI Dong-Mei, RUAN Cai-Qun, et al. The Conditioning Effect of the Sludge from Water Plant with Polymer Flocculant AP and Morphologic Properties[J]. 2011, 28(2): 12-16.
黄辉, 李冬梅, 阮彩群, 何娜, 任毅, 刘春柳. 高分子絮凝剂对水厂排泥水的调质效果与絮凝形态学特性[J]. 广东工业大学学报, 2011, 28(2): 12-16. DOI：

HUANG Hui, LI Dong-Mei, RUAN Cai-Qun, et al. The Conditioning Effect of the Sludge from Water Plant with Polymer Flocculant AP and Morphologic Properties[J]. 2011, 28(2): 12-16. DOI：

摘要

以广州大学城杂用水厂排泥水污泥为研究对象，投加阴离子高分子聚合物（简称AP）进行架桥絮凝沉降实验，结合在线显微摄像与图像分析技术，改变AP投加量和pH值，研究AP对排泥水污泥的调质效果和絮凝形态学特性.结果表明：（1）投加03 mg/L的AP时

污泥比阻r下降约2~3倍，沉降速度v增加约2倍；投加量大于0.3 mg/L时，调质作用不明显；（2）排泥水含固率为0395%时，最佳投药量为0.1～0.3 mg/L；（3）质量分维DV>2时，分维值随投药量增大而增加，絮体结构更加趋于密实，流体阻力较低，絮体沉速增加；DV<2时，分维值随投药量增大而减小，絮体孔隙率增加，沉速增快；（4）pH呈酸性或碱性的调质效果明显优于pH呈中性时的情况.

Abstract

Taking the miscellaneous water plant sludge in the Guangzhou Universities Town Campus as researching object

experiment by anionic polymers（shortened form: AP）with bridging flocculation settlement

with online microscope camera technology and image analysis technology

study on the conditioning effect and the coagulation morphologic properties of the sludge under different dosage of AP and different pH value. The results showed that: (1) Adding 0.3 mg/L dosage of AP

the specific resistance of filtration(SRF) r drceases 2~3 times and the sedimentation rate v increases about 2 times; When the dosage of AP is greater than 0.3 mg/L

the conditioning effect will tend to mild; (2) The optimal dose of AP to the sludge which solid rate is 0.395 percent is 0.1~0.3 mg/L dosage of AP; (3) When the fractal dimension DV> 2

the dimension will increase with the increasing of the dosage

the floc will be denser

the fluid resistance will decline and finally the sink velocity will increase. More ever

DV<2

the dimension will decline with the increasing of the dosage

the interstitial rate will decline and finally the sink velocity will increase; (4) The water on neutral pH for conditioning sludge is lower quality than the water on AciditypH and Alkaline pH value.

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references

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李冬梅，金同轨，谭万春，等. 黄河泥沙架桥絮凝聚集体的分形[J]. 泥沙研究,2005,6(1A):74.

Clover,Sharna M, Yao-De Yan, et al.Bridging flocculation studied by light scattering and settling[J].Chemical Engineering Journal, 2000,80(3): 3-12.

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