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Study of the separation of yeast by microsieves: In situ 3D characterization of the cake using confocal laser scanning microscopy

Paper ID Volume ID Publish Year Pages File Format Full-Text
18989 43040 2014 14 PDF Available
Title
Study of the separation of yeast by microsieves: In situ 3D characterization of the cake using confocal laser scanning microscopy
Abstract

•In situ yeast cakes characterization using CLSM.•Effect of microsieves geometrical characteristics on cake formation and removal.•Study of microsieve coverage and cake morphology, thickness and porosity.

In situ 3D characterization of Aquamarijn microsieves fouling was achieved using Confocal Laser Scanning Microscopy (CLSM). A filtration chamber allowing direct microscopic observation of microbial cell deposition and cake characterization, specially designed for in situ observations, was used. Fluorescent dyed Saccharomyces cerevisiae yeast suspensions were filtered through 0.8 μm and 2 μm pore diameters silicon nitride microsieves under constant flow rate. The on-line yeasts deposition was recorded and the cake construction was followed layer by layer. Based on the 3D image processing, cake properties (particle arrangement, homogeneity, thickness and porosity). The compressibility of the yeast cake was analyzed. Finally, cake removal efficiency was also studied during microsieve cleaning operation.

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Keywords
Filtration; CLSM; Yeast; Microsieve; Cake; 3D characterization
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Publisher
Database: Elsevier - ScienceDirect
Journal: Food and Bioproducts Processing - Volume 92, Issue 2, April 2014, Pages 178–191
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