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Title 

Two-stage cultivation of two Chlorella sp strains by simultaneous treatment of brewery wastewater and maximizing lipid productivity

Authors 

W FarooqY C LeeB G RyuByung-Hyuk KimHee-Sik KimY E ChoiJ W Yang

Publisher 

Elsevier

Issue Date 

2013

Citation 

Bioresource Technology, vol. 132, no. 0, pp. 230-238

Keywords 

Contamination controlLipid productivityMicroalgal biodieselTwo-stage cultivationWastewater treatment

Abstract 

A cultivation system in the two-stage photoautotrophic-photoheterotrophic/mixotrophic mode was adapted to maximize lipid productivity of two freshwater strains of Chlorella sp. grown in brewery wastewater (BWW). The endogenous Chlorella sp. isolated from BWW had a higher growth rate than wild-type Chlorella vulgaris (UTEX-265) while C. vulgaris (UTEX-265) had a higher maximal biomass and lipid contents than that of endogenous Chlorella sp., resulting in more than 90% of the inorganic nutrients in both total nitrogen (TN) and phosphorus (TP) was removed during the first stage in the two-stage photoautotrophic-photoheterotrophic mode in each Chlorella sp. The maximal biomass and lipid contents of C. vulgaris (UTEX-265) for single stage photoautotrophic cultivation were 1.5. g/L and 18%, respectively. Importantly, during two-stage photoautotrophic-photoheterotrophic cultivation for C. vulgaris (UTEX-265), the biomass was increased to 3.5. g/L, and the lipid productivity was increased from 31.1 to 108.0. mg/L. day.

ISSN 

0960-8524

Link 

http://dx.doi.org/10.1016/j.biortech.2013.01.034

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2019-05-02


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