Harvesting of microalgae Nannochloropsis oculata by electroflocculation

Xavier, Biji and Ranjan, Ritesh and Megarajan, Sekhar and Balla, Vamsi and Sadhu, N and Ghosh, Shubhadeep (2020) Harvesting of microalgae Nannochloropsis oculata by electroflocculation. Marine Fisheries Information Service Technical & Extension Series No. 244, 2020, 244. pp. 20-23. ISSN ISSN 0254-380X

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    Abstract

    Harvesting of biomass from microalgal culture needs high energy inputs, as small algal cells need to be separated from a large volume of surrounding media. The biomass harvest of Nannochloropsis oculata was evaluated using electroflocculation. Different electrodes like Aluminum, Zinc, Copper, Brass and Iron were used as both anode and cathode. The electrodes were connected to DC supply and the flocculation was performed at different voltages viz; 20,40,60,80 and 100 V at constant power (90mA) and time (30 minutes). From the above study, it was concluded that Zinc electrodes performed better with 80% harvesting efficiency at 40V. The flocculated cells by Zinc electrode were 80% viable which was confirmed by inoculating the flocculated cells

    Item Type: Article
    Uncontrolled Keywords: Electroflocculation; Nannochloropsis oculata; zinc electrodes
    Subjects: Fish and Fisheries > Finfish
    Algae
    Divisions: CMFRI-Visakhapatnam
    Depositing User: Mr. Prashanth P K
    Date Deposited: 16 Oct 2020 06:02
    Last Modified: 16 Oct 2020 06:02
    URI: http://eprints.cmfri.org.in/id/eprint/14698

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