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Intensification of microalgae drying and oil extraction process by vapor recompression and heat integrationIntensification of microalgae drying and oil extraction process by vapor recompression and heat integrationAA10838373 |
"/Song, Chunfeng/"Song, Chunfeng ,
"/Liu, Qingling/"Liu, Qingling ,
"/Ji, Na/"Ji, Na ,
"/Deng, Shuai/"Deng, Shuai ,
"/Zhao, Jun/"Zhao, Jun ,
"/Kitamura, Yutaka/"Kitamura, Yutaka
207pp.67
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75 , 2016-05 , Elsevier
ISSN:0960-8524
NII書誌ID(NCID):AA10838373
内容記述
Reducing energy penalty caused by drying and oil extraction is the most critical challenge in microalgae biodiesel production. In this study, vapor recompression and heat integration are utilized to optimize the performance of wet microalgae drying and oil extraction. In the microalgae drying stage, the hot exhaust stream is recompressed and coupled with wet microalgae to recover the condensate heat. In the oil extraction stage, the exergy rate of recovered solvent is also elevated by compressor and then exchanged heat with feed and bottom stream in the distillation column. Energy and mass balance of the intensified process is investigated and compared with the conventional microalgae drying-extraction process. The simulation results indicated that the total energy consumption of the intensified process can be saved by 52.4% of the conventional route.
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