Optimization of CO2 bio-mitigation by Chlorella vulgaris

TLDR: It is demonstrated that optimization of microalgal cultivation conditions can be considered a useful strategy for maximizing CO2 bio-mitigation by C. vulgaris.

About: This article is published in Bioresource Technology.The article was published on 2013-07-01 and is currently open access. It has received 221 citations till now. The article focuses on the topics: Chlorella vulgaris & Photobioreactor.

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Table 2 Growth parameters of C. vulgaris cultivated under different CO2 concentrations and aerati

Fig. 2. Contents of starch, proteins and lipids of C. vulgaris cultivated in bubble column photobioreactors under different CO2 concentrations (2% (a), 6% (b), 10% (c) and 6.5% (d)) and aeration rates.

Table 1 Experimental range and levels of the independent process variables according to the 22 full-factorial central composite design.

Table 4 Experimental matrix and results of carbon dioxide biofixation rate (g L 1 d 1) with coded levels of CO2 concentration (X1) and aeration rate (X2) according to the 22 fullfactorial central composite design.

Fig. 1. Response surface of CO2 fixation rate by C. vulgaris P12 as a function of CO2 concentration in air and aeration rate.

Table 5 Effect estimates, standard errors and t-test for CO2 biofixation rate by C. vulgaris according to the 22 full-factorial central composite design.