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Title: Improving the feasibility of producing biofuels from microalgae using wastewater
Authors: Rawat, Ismail 
Bhola, Virthie 
Ranjith Kumar, R. 
Keywords: Biofuels;Microalgae;Wastewater;Biorefinery
Issue Date: 8-Oct-2013
Publisher: Taylor and Francis
Source: Rawat, I.; Bhola, V. and Ranjith Kumar, R. 2013. Improving the feasibility of producing biofuels from microalgae using wastewater. Environmental Technology. 34 (13-14) : 1765-1775.
Abstract: Biofuels have received much attention recently owing to energy consumption and environmental concerns. Despite many of the technologies being technically feasible, the processes are often too costly to be commercially viable. The major stumbling block to full-scale production of algal biofuels is the cost of upstream and downstream processes and environmental impacts such as water footprint and indirect greenhouse gas emissions from chemical nutrient production. The technoeconomics of biofuels production from microalgae is currently unfeasible due to the cost of inputs and productivities achieved. The use of a biorefinery approach sees the production costs reduced greatly due to utilization of waste streams for cultivation and the generation of several potential energy sources and value-added products while offering environmental protection. The use of wastewater as a production media, coupled with CO2 sequestration from flue gas greatly reduces the microalgal cultivation costs. Conversion of residual biomass and by-products, such as glycerol, for fuel production using an integrated approach potentially holds the key to near future commercial implementation of biofuels production.
ISSN: 0959-3330
Appears in Collections:Research Publications (Applied Sciences)

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