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Digital image analysis to estimate the influence of sodium dodecyl sulphate on activated sludge flocs

Paper ID Volume ID Publish Year Pages File Format Full-Text
36686 45142 2005 6 PDF Available
Title
Digital image analysis to estimate the influence of sodium dodecyl sulphate on activated sludge flocs
Abstract

The results of a quantitative description of activated sludge flocs exposed to anionic surfactant sodium dodecyl sulphate (SDS) are presented. Image analysis procedures are applied to measure the morphological parameters of activated sludge flocs. Surfactant influenced sludge flocs properties even at low concentration from 2.5 to 25 mg L−1. Mean projected area of flocs decreased by about 30% at SDS concentrations from 2.5 to 25 mg L−1 and by about 60% at concentrations from 250 to 2500 mg L−1. The decrease of sludge flocs dimensions deteriorates their settleability. Additionally, a linear correlation between total suspended solids (TSS) and mean projected area was found within the duration of the biodegradation process.

Keywords
Activated sludge; Biodegradation; Image analysis; Linear alkyl sulphate; Sodium dodecyl sulphate; Surfactant
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Digital image analysis to estimate the influence of sodium dodecyl sulphate on activated sludge flocs
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Publisher
Database: Elsevier - ScienceDirect
Journal: Process Biochemistry - Volume 40, Issue 6, May 2005, Pages 2067–2072
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