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Chlorella vulgaris is 38% efficient in removing the carbon dioxide that is present in a gas stream. This study was based on experiments carried out with species of microalgae native from Colombia to be used in industrial processes of combustion. We started with a bibliographical review in order to identify the adequate culture conditions of the microalgae Chlorella vulgaris. After this, we designed a bioreactor to do the culture and determine the growth kinetics of the microalgae. Also, we proposed the design of experiments that included two factors: concentration of carbon dioxide [%CO 2 v/v] and photoperiod length. We carried out four treatments to verify the variable behavior by means of the microalgae in different conditions. Finally, we analyzed the results and determined the most efficient treatment, which, according to the results, is the one where the factors have greater values. This means, the longest photoperiod and the largest concentration of CO 2.

Evaluación del cambio en la concentración de dióxido de carbono en una corriente de gas mediante el uso de Chlorella vulgaris