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Influx of sewage into surface water results in nutrient enrichment and consequently leads to algal bloom and voluminous organic sludge production in urban areas as in case of Bangalore. The lack of utilities of algae and resulting sludge has lead to anoxia and GHG emissions. Environmental friendly ways of sludge and algal biomass utilities as well as disposal are scant. Testing for biofuel and thermal...
Recently research interest has focused on the production of biofuel from microalgae. Microalgae are photosynthetic microorganisms that grow utilizing solar energy, nevertheless, the quantities of fertilizers that should be used for their production are enormous. One alternative to the use of synthetic fertilizers is to employ wastes and wastewaters (W&WWs), especially from the agro-industrial...
The potential of microalgae as a source of renewable energy has received considerable interest, but if microalgal biofuel production is to be economically viable and sustainable, further optimization of mass culture conditions are needed. Wastewaters derived from municipal, agricultural and industrial activities potentially provide cost-effective and sustainable means of algal growth for biofuels...
The effect of hydraulic retention time (HRT) on the performance of hydrogen production from beet sugar wastewater by anaerobic fermentation using mixed microbial communities was investigated in a continuous stirred-tank reactor (CSTR) in this present study. A CSTR was designed and its performance was determined at various HRT. The goal was to find the optimal HRT for hydrogen production, to minimize...
The Purpose of this work was to explore upgrade of UASB(Up-flow Anaerobic Sludge Bed)technology, that has been proved inefficient in dealing with high strength organic content wastewater (COD concentration: 20,000-150,000 mg·l-1) from distillery plants that use cane molasses and cassava as feedstocks in GuangXi Region, China, where sugar and cassava starch are two pillar industries. The limits of...
The bio-diesel and 1,3-prpanediol (1,3-PD) processes are combined in our practices. The properties of flocculant from 1,3-propanediol fermentation was investigated. The characterization of the bioflocculant by GPC indicated the average molecular weight was about 2.0??105 Da. The neutral mono saccharides were the main component of the flocculant. Ca2+, Mg2+, Cu2+, K+ and Na+ were employed as flocculant...
Oleaginous yeasts can use different kinds of residues as nutrients. Their biomass contains a significant fraction (>20%) of lipids, that can be used as feedstock for biodiesel production. Lipomyces starkeyi were able to survive and proliferate in the presence of olive mill wastewater (OMWW), without external organic supplement, in spite of the antimicrobial activity of their phenolic components...
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