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Revealing threshold criteria of biostimulation for dye-laden wastewater treatment using immobilized cell systems

Paper ID Volume ID Publish Year Pages File Format Full-Text
35952 45116 2007 9 PDF Available
Title
Revealing threshold criteria of biostimulation for dye-laden wastewater treatment using immobilized cell systems
Abstract

This study provides a first attempt from a process dynamic perspective to put forward, in general terms and explanations, threshold criteria of dye-laden wastewater treatment using immobilized cell systems (ICSs). Porites corals were selected as packing matrices of ICSs in demonstration of immobilized cell treatment for dye decolorization. With a staircase ramp input of dye in the inlet stream, significant losses of biodecolorization activity were gradually emerged when dye concentrations went over critical loadings for treatment. Design equations also disclosed that the decay rate constant decreased from infinity to a finite value directly caused an operation failure in ICS. According to mean value theorem, the proposed threshold criteria (e.g., maximal allowable treatment capacity) in ICSs could be determined by the method of a constant-slope isocline family, directly indicating treatment limits at various nutrient media in biostimulation.

Keywords
Constant-slope isoclines; Biostimulation; Decolorization; Immobilized cell systems; Threshold operation criteria
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Revealing threshold criteria of biostimulation for dye-laden wastewater treatment using immobilized cell systems
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Publisher
Database: Elsevier - ScienceDirect
Journal: Process Biochemistry - Volume 42, Issue 2, February 2007, Pages 158–166
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