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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/100/1431

Title: Immobilization in fixed film reactors: an ultrastructural approach
Authors: HARENDRANATH, CS
ANUJA, K
SINGH, A
GUNASEELAN, A
SATISH, K
LALA, K
Keywords: bed anaerobic reactors
waste-water treatment
media design
support
filters
surfaces
biofilm
Issue Date: 1996
Publisher: PERGAMON-ELSEVIER SCIENCE LTD
Citation: WATER SCIENCE AND TECHNOLOGY,33(8)7-15
Abstract: An ultrastructural approach has been attempted to study the surface features of 29 packing media reported in literature and a few more potential candidates for immobilizing micro-organisms. The electron micrographs reveal important features like degree of smoothness/roughness, microcrystals and fibres, ridges, macro and micro pores <196> their dimensions, depth and distribution and thereby the biomass accumulation capacity of the media. Based on microscopic observations the packing media have been classified as (i) smooth polypropylene bead, glass bead, peristaltic tube, porcelain, powdered activated carbon, perspex, polyvinyl chloride and glass (ii) uneven - straw, paddy stem, nylon, sand, gravel and stone (iii) porous - jute, gravel, soil, granulated clay, limestone, ceramic, shell, refractory brick, diatomaceous earth, casuarina seed, granular activated carbon thermocol, sponge, pumice stone and polyurethane foam. The results clearly show that ultrastructural examination and image analysis can be a quick, effective and direct visual technique for selecting support media for bioreactors. An example of application of quantitative image analysis for providing quantitative geometric description of surface features is also presented. Copyright (C) 1996 IAWQ. Published by Elsevier Science Ltd.
URI: http://dx.doi.org/10.1016/0273-1223(96)00255-7
http://dspace.library.iitb.ac.in/xmlui/handle/10054/14605
http://hdl.handle.net/100/1431
ISSN: 0273-1223
Appears in Collections:Proceedings papers

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