Pilot project at Hazira,India, for capture of carbon dioxide and its biofixation using microalgae |
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| Authors: | Anant Yadav Piyush Choudhary Neelam Atri Sebastian Teir Srikanth Mutnuri |
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| Institution: | 1.Applied Environmental Biotechnology Laboratory, Department of Biological Sciences,BITS Pilani K.K. Birla Goa Campus,Goa,India;2.Oil and Natural Gas Corporation Ltd. (ONGC),New Delhi,India;3.Banaras Hindu University,Varanasi,India;4.VTT Technical Research Centre of Finland Ltd.,Espoo,Finland |
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| Abstract: | The objective of the present study was to set up a small-scale pilot reactor at ONGC Hazira, Surat, for capturing CO2 from vent gas. The studies were carried out for CO2 capture by either using microalgae Chlorella sp. or a consortium of microalgae (Scenedesmus quadricauda, Chlorella vulgaris and Chlorococcum humicola). The biomass harvested was used for anaerobic digestion to produce biogas. The carbonation column was able to decrease the average 34 vol.% of CO2 in vent gas to 15 vol.% of CO2 in the outlet gas of the carbonation column. The yield of Chlorella sp. was found to be 18 g/m2/day. The methane yield was 386 l CH4/kg VSfed of Chlorella sp. whereas 228 l CH4/kg VSfed of the consortium of algae. |
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