NDLI: A novel method to harvest Chlorella sp. by co-flocculation/air flotation

Content Provider	Springer Nature Link
Author	Zhang, Haiyang Lin, Zhe Tan, Daoyong Liu, Chunhua Kuang, Yali Li, Zhu
Copyright Year	2016
Abstract	To develop a more effective dissolved air flotation process for harvesting microalgae biomass, a co-flocculation/air flotation (CAF) system was developed that uses an ejector followed by a helix tube flocculation reactor (HTFR) as a co-flocculation device to harvest Chlorella sp. 64.01.The optimal size distribution of micro-bubbles and an air release efficiency of 96 % were obtained when the flow ratio of inlet fluid (raw water) to motive fluid (saturated water) of the ejector was 0.14. With a reaction time of 24 s in the HTFR, microalgae cells and micro-bubbles were well flocculated, and these aerated flocs caused a fast rising velocity (96 m/h) and high harvesting efficiency (94 %).In a CAF process, micro-bubbles can be encapsulated into microalgae flocs, which makes aerated flocs more stable. CAF is an effective approach to harvesting microalgae.
Starting Page	79
Ending Page	84
Page Count	6
File Format	PDF
ISSN	01415492
Journal	Biotechnology Letters
Volume Number	39
Issue Number	1
e-ISSN	15736776
Language	English
Publisher	Springer Netherlands
Publisher Date	2016-09-21
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Aerated floc Chlorella Ejector Flotation Harvesting Helix tube flocculation reactor Microalgae Microbiology Biotechnology Applied Microbiology Biochemistry
Content Type	Text
Resource Type	Article
Subject	Medicine Bioengineering Applied Microbiology and Biotechnology Biotechnology

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