Carrier Technology/humic Additives To Upgrade
Biological Water Treatment
Author(s)
V. Jirku, J. Masak & A. Cejkova
Abstract
The limitations of wastewater bio-treatments have challenged cell biologists and
bioengineers to search for new approaches to upgrade the function and stability
of these processes. In this connection, we have been trying to find a widely
applicable approach to optimize the clean up efficiency through enhanced
capability of fungal biodegraders both to tolerate pollutant toxicity or stressing
conditions of the environment and to utilize less accessible pollutants. This paper
reports some findings enabling aimed applications of fungal biofilms and humic
additives.
Keywords: cell attachment, biofilm, humic acid, biodegradation, wastewater
treatment.
1 Introduction
Exclusive application of attached biodegraders and a detailed knowledge of cell
attachment effect appear to offer a large scale of opportunities not only to
upgrade bioreactor (permeable bio-barrier) design, but also to reduce markedly
the amount of treatment equipment as well as to enhance the spectrum of
biodegradation activity through flexible co-attachment of complementary
modulated cell populations, among others. Unlike microbial cells freely
dispersed in an aqueous phase, attached (biofilm) cells associated with surfaces
develop spatial relationship to each other that permit interactions approaching
those of multicellular organisms [1]. In mixed species biofilm communities this
provides intra-population variations as well as inter-population interactions
offering technologically significant phenotype modulations. This cell attachment
effect, together with now recognized capacity of microbial cells to sense and
respond to physical contacts, is a potential tool to optimize the biodegradative
Keywords
cell attachment, biofilm, humic acid, biodegradation, wastewater
treatment.
Related Book
Other papers in this volume
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