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Effects of CO2 and pH on Growth of the Microalga Dunaliella salina | Abstract
Journal of Microbial & Biochemical Technology

Journal of Microbial & Biochemical Technology
Open Access

ISSN: 1948-5948

+32 466902153

Abstract

Effects of CO2 and pH on Growth of the Microalga Dunaliella salina

Kezhen Ying, D James Gilmour and William B Zimmerman

A potentially cost-effective and scalable method to stabilize pH in microalgal batch cultures is proposed in this study. The cultures were supplied with different concentrations of CO2 enriched gas and controlled amounts of bicarbonate were added. An empirical model correlating the equilibrium pH to bicarbonate and CO2 stream concentrations was established experimentally. Finally, the isolated impact of either pH or CO2 concentration on Dunaliella salina growth was studied.

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