Abstract:
:Growing energy demand and water consumption have increased concerns about energy security and efficient wastewater treatment and reuse. Wastewater treatment high rate algal ponds (WWT HRAPs) are a promising technology that could help solve these challenges concurrently where climate is favorable. WWT HRAPs have great potential for biofuel production as a by-product of WWT, since the costs of algal cultivation and harvest for biofuel production are covered by the wastewater treatment function. Generally, 800-1400 GJ/ha/year energy (average biomass energy content: 20 GJ/ton; HRAP biomass productivity: 40-70 tons/ha/year) can be produced in the form of harvestable biomass from WWT HRAP which can be used to provide community-level energy supply. In this paper the benefits of WWT HRAPs are compared with conventional mass algal culture systems. Moreover, parameters to effectively increase algal energy content and overall energy production from WWT HRAP are discussed including selection of appropriate algal biomass biofuel conversion pathways.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Mehrabadi A,Craggs R,Farid MMdoi
10.1016/j.biortech.2014.11.004subject
Has Abstractpub_date
2015-05-01 00:00:00pages
202-214eissn
0960-8524issn
1873-2976pii
S0960-8524(14)01606-Xjournal_volume
184pub_type
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