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Yellow ginger processing wastewater treatment by a hybrid biological process

Paper ID Volume ID Publish Year Pages File Format Full-Text
35758 45105 2008 5 PDF Available
Title
Yellow ginger processing wastewater treatment by a hybrid biological process
Abstract

With a hybrid wastewater treatment process consisting of neutralization, precipitation, modified two-phase anaerobic digestion, and biological aerated filter (BAF) being developed, the yellow ginger processing wastewater with high COD and high sulphate was treated successfully in the laboratory. With an inserted stripping unit, the modified two-phase anaerobic digestion process eliminated the inhibition of methanogens to the greatest extent, which results in a high-efficiency COD removal. Subsequently, the effluent from the anaerobic units was treated with excellent results in the novel BAF which was equipped with special carriers. This was due to the simultaneous nitrification and denitrification (SND) that occurred there. When the raw water with COD of 18,000–20,000 mg/L, SO42− of 8,500–11,000 mg/L, and NH4+-N of 220–300 mg/L was treated by the hybrid process, the concentrations of COD, NH4+-N, and total nitrogen (TN) in the effluent were lower than 100, 10 and 15 mg/L, respectively.

Keywords
Wastewater treatment; Two-phase anaerobic digestion; Biological aerated filter; Hybrid process; Yellow ginger processing wastewater; Simultaneous nitrification and denitrification (SND)
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Publisher
Database: Elsevier - ScienceDirect
Journal: Process Biochemistry - Volume 43, Issue 12, December 2008, Pages 1427–1431
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us