Two-stage heterotrophic and phototrophic culture strategy for algal biomass and lipid production

The economical production of biodiesel from lignocellulose requires an effective co-fermentation of lignocellulose-derived sugars, such as glucose and xylose.

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Enhanced lipid production with undetoxified corncob hydrolysate by Rhodotorula glutinis using a high cell density culture strategy

Bioresource Technology ◽

10.1016/j.biortech.2014.12.093 ◽

2015 ◽

Vol 180 ◽

pp. 32-39 ◽

Cited By ~ 63

Author(s):

Yating Liu ◽

Yanping Wang ◽

Hongjuan Liu ◽

Jian’an Zhang

Keyword(s):

Cell Density ◽

High Cell Density ◽

Lipid Production ◽

Rhodotorula Glutinis ◽

High Cell Density Culture ◽

High Cell ◽

Corncob Hydrolysate ◽

Culture Strategy

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Value-added lipid production from brown seaweed biomass by two-stage fermentation using acetic acid bacterium and thraustochytrid

Applied Microbiology and Biotechnology ◽

10.1007/s00253-014-5980-4 ◽

2014 ◽

Vol 98 (22) ◽

pp. 9207-9216 ◽

Cited By ~ 8

Author(s):

Kim Hazel V. Arafiles ◽

Hiroaki Iwasaka ◽

Yuri Eramoto ◽

Yoshiko Okamura ◽

Takahisa Tajima ◽

...

Keyword(s):

Acetic Acid ◽

Lipid Production ◽

Brown Seaweed ◽

Value Added ◽

Acetic Acid Bacterium ◽

Two Stage ◽

Seaweed Biomass

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Biodiesel from wastewater: lipid production in high rate algal pond receiving disinfected effluent

Water Science & Technology ◽

10.2166/wst.2015.087 ◽

2015 ◽

Vol 71 (8) ◽

pp. 1229-1234 ◽

Cited By ~ 5

Author(s):

Paula Peixoto Assemany ◽

Maria Lucia Calijuri ◽

Eduardo de Aguiar do Couto ◽

Aníbal Fonseca Santiago ◽

Alberto José Delgado dos Reis

Keyword(s):

Lipid Content ◽

Algal Biomass ◽

Bacterial Load ◽

Lipid Production ◽

Biomass Concentration ◽

Domestic Sewage ◽

High Rate ◽

Uv Disinfection ◽

Potential Strategy ◽

Micro Organisms

The production of different species of microalgae in consortium with other micro-organisms from wastewaters may represent an alternative process, to reduce the costs, for obtaining biofuels. The aim of this study was to evaluate the influence of pre-ultraviolet disinfection (UV) in the production of lipids from biomass produced in high rate ponds. Two high rate algal ponds were evaluated: a pond that received domestic sewage without disinfection and the other receiving domestic sewage previously disinfected by UV radiation (uvHRAP). The UV disinfection did not lead to significant differences in fatty acid profile and total lipid productivities, although it increased algal biomass concentration and productivity as well as lipid content. Moreover, the overall biomass concentrations and productivities decreased with the UV disinfection, mostly as a consequence of a loss in bacterial load. We thus conclude that uvHRAP disinfection may represent a potential strategy to promote the cleaner and safer growth of algal biomass when cultivated in consortium with other micro-organisms. Mainly regarding the use of wastewater as culture medium, together with a cheaper production of lipids for biodiesel, pre-disinfection may represent an advance since extraction costs could be significantly trimmed due to the increase in lipid content.

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