alexa Effective cell harvesting of the halotolerant microalga Dunaliella tertiolecta with pH control.
Environmental Sciences

Environmental Sciences

Journal of Fundamentals of Renewable Energy and Applications

Author(s): Horiuchi J, Ohba I, Tada K, Kobayashi M, Kanno T,

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Abstract An effective method for cell harvesting of the halotolerant microalga, Dunaliella tertiolecta ATCC30929, was investigated. By increasing the pH of the culture broth using NaOH solution, suspended D. terfolecta cells rapidly coagulated and settled within a few minutes, which allowed simple harvesting of the concentrated cells from the culture broth. The pHs for successful coagulation were between 8.6 and 10.5 and more than 90\% of cells was recovered from the culture broth. Clarified culture broth could be reused for the successive cultivation of D. tertiolecta simply by supplying fresh medium and neutralizing alkali with HCl without the requirement for an additional inoculum.
This article was published in J Biosci Bioeng and referenced in Journal of Fundamentals of Renewable Energy and Applications

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