Study on Algal Biomass Production in Municipal Wastewater-Nei Hu Municipal Wastewater Treatment Plant as a Case
Date Issued
2008
Date
2008
Author(s)
Shao, Kung-Hsien
Abstract
One freshwater algae(Chlorella sp.) isolated from secondary sewage effluent of Nei-Hu municipal wastewater treatment plant were cultured on inclined tubular photobioreactor to determine its ability to produce algal biomass and remove ammonium and orthophosphate from municipal wastewater. Outdoor semi-continuous cultures of Chlorella sp. in municipal wastewater were maintained with 15% to 65% daily dilutions and under a regular summer condition in Taiwan. Because of solar radiation in the summer of Taiwan may cause serious photo inhibition to microalgae, all the tubular photobioreactors were equipped with windows film to reduce around 91.1% of photosynthetically active radiation (PAR), 99.5% of ultraviolet (UV) rays and 96.7% of infrared rays. Under this regime, the best production of algal biomass was happened while the dilution rate is 35%. Biomass productivity was 285mgl-1d-1, ammonium and orthophosphate removal rate were 99% and 80%, respectively.
Subjects
Bioenergy
Municipal wastewater treatment
Biological wastewater treatment
Microalgae
Photobioreactor
SDGs
Type
thesis
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