ISSN: 2573-458X
Environment Pollution and Climate Change
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CO2 bio-sequestration by Chlorella vulgaris in response to different levels of CO2
Joint Event on 5th World Conference on Climate Change & 16th Annual Meeting on Environmental Toxicology and Biological Systems
Titin Handayani, Adi Mulyanto and Fajar Eko Priyanto
BPPT–Agency for the Assessment and Application of Technology, Jakarta, Indonesia
Posters & Accepted Abstracts: Environ Pollut Climate Change
DOI:
Abstract
The purpose of this study is to assess technology of capturing carbon dioxide (CO2) emissions generated by industry that use combustion systems by utilizing microalgae Chlorella vulgaris. The microalgae were cultivated in bioreactor culture pond raceway type. The experiment is expected to be useful in mitigating the effects of greenhouse gases in reducing the CO2 emissions. The aim of this study was to sequestrate CO2 by microalgae Chlorella vulgaris under the different level of CO2. The research activities included: 1. characterization of boiler flue gas; 2. operation of culture ponds; and 3. sampling and sample analysis. The results of this study showed that the initial assessment absorption of the flue gas by microalgae using 1000 L raceway pond completed by heat exchanger were quite promising. The results indicated that transfer of CO2 into the pond culture system was run well. This was identified from the success of cooling the boiler flue gas from the temperature of about 200掳C to below ambient temperature. Except for temperature, the gas bubbles into the culture media were quite fine. Therefore the contact between the gas and the media was well performed. Efficiency of CO2 absorption by Chlorella vulgaris reached 0%, 99.8% and 96.2% with average CO2 level concentration of 0%, 6.2% and 8.1% respectively. The ultimate CO2 sequestration rate of Chlorella vulgaris was 0.1462g/L/d recorded at 8.1% CO2 concentration.Biography
E-mail: htitin2557@gmail.com
