Biomedical Engineering Reference
In-Depth Information
Chapter 19
F
ILAMENTOUS
F
UNGI OF
W
ASTE
B
IOMASS OF
H
IGHER
W
ATER
P
LANTS
S. I. Kukanova,
*
J. J. Tashpulatov, L. I. Zaynitdinova,
T. S. Shulman, M. C. Bakhtiyorova and T. F. Aripov
Institute of microbiology, Tashkent, Uzbekistan
A
BSTRACT
Filamentous fungi mainly represented by species of
Aspergillus
and
Penicillium
genera were isolated from waste biomass of higher water plants (HWP). It was
established that density of
Aspergillus
species isolated from biomass of HWP cultivated
on sewages was 2-3 times higher compared to biomass of HWP cultivated on fresh water.
Micromycetes possessing cellulase activity and natural resistance to certain pollutants
were determined.
Keywords:
Higher water plants,
biomass, pollutants, cellulase activity, filamentous fungi
Uzbekistan possesses certain resource potential of renewable energy sources, which may
be used for biofuel production. Among many plant resources a separate place is taken by
cleansing facilities with waste plant biomass produced by higher water plants (HWP) - water
lettuce (
Pistia stratiotes L
.) and water lily (
Eichhornia crassipes
Solms.), which are used in
the biotechnology of sewages cleansing developed at the Institute of microbiology (Tashkent,
Uzbekistan) [1]. Industrial development is inevitably linked with the problem of accumulation
of wastes and development of efficient methods for cleansing the environment from different
pollutants. In Uzbekistan this biotechnology is applied in oil-and-gas and food industries.
During the process of pollutants transformation a huge quantity of waste plant biomass is
accumulated on territory of cleansing facilities. Due to high content of pollutants in that
biomass it cannot be utilized for agricultural needs.
Cleansing in this system takes place on account of following components:
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