Harvesting and contamination control of microalgae Chlorella ellipsoidea using the bio-polymeric flocculant α-poly-l-lysine

Harvesting and contamination control of microalgae Chlorella ellipsoidea using the bio-polymeric... Bioresource Technology 249 (2018) 206–211 Contents lists available at ScienceDirect Bioresource Technology journal homepage: www.elsevier.com/locate/biortech Harvesting and contamination control of microalgae Chlorella ellipsoidea using the bio-polymeric flocculant α-poly-L-lysine a,1 a,1 a b a, Won Noh , Jungmin Kim , Sang-jun Lee , Byung-Gon Ryu , Chang-min Kang Future Environmental Research Center, Korea Institute of Toxicology, 17, Jegok-gil, Samgok-ri, Munsan-eup, Jinju-si, Gyeongsangnam-do 52834, Republic of Korea Freshwater Bioresources Utilization Bureau, Nakdonggang National Institute of Biological Resources, 137, Donam 2-gil, Sangju-si, Gyeongsangbuk-do 37242, Republic of Korea GR APHICAL A BSTRACT ARTICLE I NFO ABSTRACT Keywords: Microalgae have been extensively studied for the production of various products. However, to date, microalgal Chlorella ellipsoidea biomass has not become economically feasible, mainly due to different issues such as contamination from α-poly-L-lysine various sources that occurs during downstream processes, and which leads to low quality biomass with limited Harvesting application. In this study, to overcome contamination by flocculants and other microorganisms, the cationic Contamination reduction biopolymer α-Poly-L-lysine (α-PLL) was applied. The cationic amine moiety and polymeric chain of α-PLL rendered microalgal harvesting efficient. With increasing α-PLL chain length, efficient dose- and time-dependent harvesting was achieved. In addition to efficient flocculation performance, biomass harvested using α-PLL http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Bioresource Technology Elsevier

Harvesting and contamination control of microalgae Chlorella ellipsoidea using the bio-polymeric flocculant α-poly-l-lysine

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Publisher
Elsevier
Copyright
Copyright © 2017 Elsevier Ltd
ISSN
0960-8524
D.O.I.
10.1016/j.biortech.2017.09.157
Publisher site
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Abstract

Bioresource Technology 249 (2018) 206–211 Contents lists available at ScienceDirect Bioresource Technology journal homepage: www.elsevier.com/locate/biortech Harvesting and contamination control of microalgae Chlorella ellipsoidea using the bio-polymeric flocculant α-poly-L-lysine a,1 a,1 a b a, Won Noh , Jungmin Kim , Sang-jun Lee , Byung-Gon Ryu , Chang-min Kang Future Environmental Research Center, Korea Institute of Toxicology, 17, Jegok-gil, Samgok-ri, Munsan-eup, Jinju-si, Gyeongsangnam-do 52834, Republic of Korea Freshwater Bioresources Utilization Bureau, Nakdonggang National Institute of Biological Resources, 137, Donam 2-gil, Sangju-si, Gyeongsangbuk-do 37242, Republic of Korea GR APHICAL A BSTRACT ARTICLE I NFO ABSTRACT Keywords: Microalgae have been extensively studied for the production of various products. However, to date, microalgal Chlorella ellipsoidea biomass has not become economically feasible, mainly due to different issues such as contamination from α-poly-L-lysine various sources that occurs during downstream processes, and which leads to low quality biomass with limited Harvesting application. In this study, to overcome contamination by flocculants and other microorganisms, the cationic Contamination reduction biopolymer α-Poly-L-lysine (α-PLL) was applied. The cationic amine moiety and polymeric chain of α-PLL rendered microalgal harvesting efficient. With increasing α-PLL chain length, efficient dose- and time-dependent harvesting was achieved. In addition to efficient flocculation performance, biomass harvested using α-PLL

Journal

Bioresource TechnologyElsevier

Published: Feb 1, 2018

References

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