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Comparison of single- and two-stage UASB reactors used for anaerobic treatment of synthetic fruit wastewater

Paper ID Volume ID Publish Year Pages File Format Full-Text
18596 42727 2007 5 PDF Available
Title
Comparison of single- and two-stage UASB reactors used for anaerobic treatment of synthetic fruit wastewater
Abstract

The influence of the hydraulic retention time on the microbial activity has been investigated, using a single methanization stage and a cascade of two upflow anaerobic sludge bed (UASB) reactors. The latter process scheme was clearly superior treating a synthetic fruit canning wastewater. For a COD reduction of 90%, a retention time of around 9–10 h was required in a single-stage UASB, while 4–5 h were sufficient in the two-stage mode of operation. In this case, the total volume of the methanization cascade was reduced by 50% compared to the single-stage one.

Keywords
EtOHe, effluent ethanol (kgCOD/m3); HAce, effluent acetic acid (kgCOD/m3); HPre, effluent propionic acid (kgCOD/m3); HBue, effluent butyric acid (kgCOD/m3); τ, hydraulic retention time (d); LRS,TOT, volumetric total-COD loading rate (kgCOD/(m3d)); UCOD,TO
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Comparison of single- and two-stage UASB reactors used for anaerobic treatment of synthetic fruit wastewater
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Publisher
Database: Elsevier - ScienceDirect
Journal: Enzyme and Microbial Technology - Volume 42, Issue 1, 3 December 2007, Pages 6–10
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