NDLI: Full Scale Evaluation on Ferric Flocs Sludge Treatment with Pelleting Flocculation Blanket Process

Content Provider	IEEE Xplore Digital Library
Author	Zhang Gang Huang Ting-lin Li Zhan-peng Tan Chi
Copyright Year	2010
Abstract	The Pelleting Flocculation Blanket (PFB) process is a newly developed technology for high concentration suspensions removal characterized by high surface loading solid-liquid separation. In this paper, by using the PFB process, a pilot-scale experimental study was carried out on concentrating ferric flocs sludge with a full scale of 19~38 m3/H. The investigation aimed to optimize the operational conditions. Under the raw sludge concentration of 103~1154 mg/L, the system could achieve ideal conditioning effect with PAM (polyacrylamide) dosage of 0.3~2.7 mg/L, agitation speed of 3 rpm, and water up-flow rate of 19~38 m/H. Under the experimental conditions, the increase of polymer dosage would improve outlet turbidity and pellets settling behavior. The moderate up-flow rate had no marked effect on treatment results, while too large surface loading could worsen the outlet turbidity. The experimental results also revealed that there exists an approximately linear relationship between raw sludge concentration and optimum PAM dosage, that is, the optimum dosage of PAM increased synchronously with the increasing raw sludge concentration. While the relationship between raw sludge concentration and maximum up-flow rate reflected negatively linear dependence, the maximum up-flow rate would decreased linearly with the increasing raw sludge concentration.
Starting Page	193
Ending Page	196
File Size	365254
Page Count	4
File Format	PDF
ISBN	9780769539720
e-ISBN	9781424459247
DOI	10.1109/CESCE.2010.129
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-03-06
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Pelleting flocculation blanket Wastewater Surface treatment Filters Up-flow rate Linear approximation Computer architecture Polymer dosage Solids Raw sludge concentration Polymers Sludge treatment Ferric flocs sludge Suspensions Civil engineering
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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