ผลของสาหร่าย Scenedesmus sp. ต่อการลดก๊าซคาร์บอนไดออกไซด์ที่ส่งผลต่อ การผลิตไขมัน (THE EFFECT OF SCENEDESMUS SP. ON REDUCING CARBON DIOXIDE AFFECTING LIPID PRODUCTIVITY)
Abstract
The objective of this research is to study the effect of Scenedesmus sp. on reducing carbon dioxide affecting lipid productivity. Scenedesmus sp., was cultivated in a liquid formula (8 liters) in an bioreactor using Jaworski's medium, under a 24 hour light intensity of 4,000 lux and with aeration for control. Through a series of experiments to add carbon dioxide (99%) at a flow rate of 0.05, 0.10 and 0.15 vvm, for 20 days, results showed that at a flow rate of 0.05 vvm the growth of algae and reducing carbon dioxide efficiency were higher than those at the 0.10 and 0.15 vvm flow rates. Scenedesmus sp., with a maximum specific growth rate, OD560, algae biomass productivity was 0.45±0.09 d-1, 0.72±0.04, 2,283.33±125.83 mg.l-1. and the average lipid content was 10.88±0.68% by dry weight. The maximum reducing carbon dioxide efficiencies were 97.90±1.15%.
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References
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