Numerous researches reported that some filamentous fungi
that naturally existed in activated sludge could immobilize or entrap
the sludge solids by forming bio-flocculation/coagulation
and strengthen the flocculation structure due to their unique filamentous
properties [10,14,15]. Therefore in this study, filamentous
fungi were identified and isolated from local municipal wastewater
sludge and used to evaluate their feasibility for bio-flocculation of
a non-flocculating microalgae strain Chlorella vulgaris UMN235.
Self-pelletization under optimized culture conditions was developed
and evaluated as a promising alternative to current harvesting
technologies. Furthermore, the lipid content of some fungi
species was reported to be over 30% of total fungal biomass [11],
making high oil fungi a good biodiesel feedstock, which could be
converted into biofuels directly together with oleaginous microalgae.
Therefore, the lipid content of fungi is also an important selection
criterion.
Numerous researches reported that some filamentous fungithat naturally existed in activated sludge could immobilize or entrapthe sludge solids by forming bio-flocculation/coagulationand strengthen the flocculation structure due to their unique filamentousproperties [10,14,15]. Therefore in this study, filamentousfungi were identified and isolated from local municipal wastewatersludge and used to evaluate their feasibility for bio-flocculation ofa non-flocculating microalgae strain Chlorella vulgaris UMN235.Self-pelletization under optimized culture conditions was developedand evaluated as a promising alternative to current harvestingtechnologies. Furthermore, the lipid content of some fungispecies was reported to be over 30% of total fungal biomass [11],making high oil fungi a good biodiesel feedstock, which could beconverted into biofuels directly together with oleaginous microalgae.Therefore, the lipid content of fungi is also an important selectioncriterion.
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