Najib, M. Z. M. and Salmiati, Salmiati and Ujang, Z. and Salim, M. R. and Ibrahim, Z. and Muda, K. (2016) Reduction and biofixation of carbon dioxide in palm oil mill effluent using developed microbial granules containing photosynthetic pigments. Bioresource Technology, 221 . pp. 157-164. ISSN 0960-8524
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Abstract
The developed microbial granules containing photosynthetic pigments had successfully achieved approximately 18–21% of carbon dioxide (CO2) removal in POME for one complete SBR cycle. Also, the granules had reached CO2 removal at 15–29% within 24 h and removal of 25% after 5 days. Both results were inconsistent possibly due to the slow mass transfer rate of CO2 from gas to liquid as well as the simultaneous effect of CO2 production and respiration among the microbes. Furthermore, results showed the removal of CO2 from air increases proportionally with the CO2 removed in liquid. The CO2 biofixation of granules attained was approximately 0.23 g/L/day for a week. Using the regression model, the removal of CO2 between liquid and gas, CO2 biofixation rate were highly correlated with the treatment time. A statistically significant relationship was obtained between CO2 concentration in liquid, biomass productivity and treatment time for the CO2 biofixation rate of the granules.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Granulation, Liquids, Mass transfer, Palm oil, Regression analysis, Biomass productivity, Highly-correlated, Mass transfer rate, Microbial granules, Palm oil mill effluents, Photosynthetic pigments, POME, Simultaneous effects, Carbon dioxide, carbon dioxide, palm oil, pigment, water, carbon dioxide, palm oil, vegetable oil, bioactivity, biomass, carbon dioxide, concentration (composition), effluent, evergreen tree, fixation, microbial activity, oil industry, pigment, pollutant removal, reduction, Article, biomass, carbon fixation, controlled study, effluent, gas, liquid, microbial respiration, nonhuman, phototrophic bacterium, priority journal, reduction, sequencing batch reactor, waste component removal, waste water management, analysis, biomass, chemistry, oxidation reduction reaction, photosynthesis, procedures, water management, water pollution, Biomass, Carbon Dioxide, Oxidation-Reduction, Photosynthesis, Plant Oils, Water Pollution, Chemical, Water Purification |
| Subjects: | T Technology > TP Chemical technology |
| Divisions: | Chemical Engineering |
| ID Code: | 71864 |
| Deposited By: | Fazli Masari |
| Deposited On: | 21 Nov 2017 08:17 |
| Last Modified: | 21 Nov 2017 08:17 |
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