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Anaerobic digestion and post-treatment of swine wastewater using IC–SBR process with bypass of raw wastewater

Paper ID Volume ID Publish Year Pages File Format Full-Text
36633 45138 2006 5 PDF Available
Title
Anaerobic digestion and post-treatment of swine wastewater using IC–SBR process with bypass of raw wastewater
Abstract

A combined system consisting of Internal Circulation (IC) anaerobic reactor and Sequencing Batch Reactor (SBR) was used to treat swine wastewater in order to establish a cost-efficient wastewater treatment system. IC reactor could remove about 80% of COD with organic loading rate of 6–7 kg COD/(m3 day) in treating raw swine wastewater. Performance of direct post-treatment of digested swine wastewater was very poor with COD removal 7.54% and NH3-N removal 81.2% because of the low biodegradability and improper carbon/nitrogen ratio. Performance of post-treatment using SBR with the addition of raw wastewater was good with effluent COD less than 300 mg/L and effluent NH3-N less than 10 mg/L. The removal rates of COD, BOD5, NH3-N and TN were 95.5%, 99.6%, 99.4% and 94.3%, respectively, in the IC–SBR system with total hydraulic retention time of 5–6 days.

Keywords
IC anaerobic reactor; Sequencing Batch Reactor (SBR); Swine wastewater treatment; Nitrogen removal
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Anaerobic digestion and post-treatment of swine wastewater using IC–SBR process with bypass of raw wastewater
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Publisher
Database: Elsevier - ScienceDirect
Journal: Process Biochemistry - Volume 41, Issue 4, April 2006, Pages 965–969
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
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Price was $35.95
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Full-text PDF Download
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