新型塔式立体微藻养殖反应器的流体力学和传质性能研究
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摘要
针对现有微藻养殖反应器培养密度低、设备处理能力小、占地面积大、效率低,难以适应工业CO_2排放的大规模连续固定和工业化生产需求的现状,研发了一种新型塔式立体微藻养殖反应器,通过流体力学和传质性能实验表明,新型塔式立体微藻养殖反应器具有板面液层高、气体通量大、液体停留时间长、传质效率高、操作弹性大、板压降低、容易解析出藻类释放的氧气等优点,可以实现微藻养殖和工业CO_2减排偶联,满足CO_2的大规模立体连续化固定和能源化利用需求,对于实现CO_2减排与资源化利用、解决能源紧缺具有双层意义。
In view of the current situation of low-density culture,low processing capacity,large floor space,low efficiency,and difficulty in adapting to large-scale continuous fixation and industrial production of industrial CO_2 emissions,this experiment has developed a new type of tower.The three-dimensional microalgae culture reactor was studied with fluid mechanics and mass transfer performance.The results showed that the new tower-type microalgae culture reactor has high surface liquid layer,large gas flux,long liquid residence time and mass transfer,high efficiency,high operational flexibility,reduced plate pressure and is easy to resolve the oxygen released by algae,etc..Thesecharacteristicscan realize the coupling of microalgae culture and industrial CO_2 emission reduction,and meet the requirements of large-scale three-dimensional continuous fixation and energy utilization of CO_2,which is significant forachieving CO_2 emission reduction and resource utilization,and solving energy shortages.
In view of the current situation of low-density culture,low processing capacity,large floor space,low efficiency,and difficulty in adapting to large-scale continuous fixation and industrial production of industrial CO_2 emissions,this experiment has developed a new type of tower.The three-dimensional microalgae culture reactor was studied with fluid mechanics and mass transfer performance.The results showed that the new tower-type microalgae culture reactor has high surface liquid layer,large gas flux,long liquid residence time and mass transfer,high efficiency,high operational flexibility,reduced plate pressure and is easy to resolve the oxygen released by algae,etc..Thesecharacteristicscan realize the coupling of microalgae culture and industrial CO_2 emission reduction,and meet the requirements of large-scale three-dimensional continuous fixation and energy utilization of CO_2,which is significant forachieving CO_2 emission reduction and resource utilization,and solving energy shortages.
引文
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[2]张鹏,田原宇,乔英云.利用微藻热化学液化制备生物油的研究进展[J].中外能源,2010,15(12):29~36.
[3]周文广,阮榕生.微藻生物固碳技术进展和发展趋势[J].中国科学:化学,2014,44(1):63~78.
[4]田原宇,乔英云.基于生物固碳的低碳发展模式探讨[J].绿色科技,2013,(7):156~8.
[5]田原宇,乔英云.绿色碳减排途径探讨[J].广州化工,2013,41(23):8~10.
[6]李雄,王伟良,黄建科.微藻规模化培养技术研究进展及产业化概况[J].生物产业技术,2016(3):7~13.
[7]Castrillo M,Díez-Montero R,Tejero I.Model-based feasibility assessment of a deep solar photobioreactor for microalgae culturing[J].Algal Research,2018(8).
[8]刘玉环,黄磊,王允圃.大规模微藻光生物反应器的研究进展[J].生物加工过程,2016,14(1):65~73.
[9]Ojha A,Al-Dahhan M.Local gas holdup and bubble dynamics investigation during microalgae culturing in a split airlift photobioreactor[J].Chemical Engineering Science,2018(175):5~98.
[10]Baicha Z,Salar-García M J,Ortiz-Martínez V M,et al.Acritical review on microalgae as an alternative source for bioenergy production:A promising low cost substrate for microbial fuel cells[J].Fuel Processing Technology,2016(154).
[11]乔英云,田原宇,韩汝军.NS倾斜长条立体复合塔板的流体力学特性研究[J].石油炼制与化工,2009,40(8):54.
[12]毛明华,李群生,王爱军.高效导向筛板流体力学性能研究[J].北京化工大学学报(自然科学版),2004(3):27~30.
[13]张平,王学平,秦然.筛孔塔板干板压降的数值模拟[J].化学工程,2015,43(1):65~8.
[14]唐猛,张少峰,孙双双.双效并流立体旋液式塔板压降的实验研究[J].化学工程,2015,43(6):19~24.
[15]姚克俭,祝铃钰,计建炳.复合塔板的开发及其工业应用[J].石油化工,2000(10):772~5.
[16]Anyanwu C R,Rodriguez C,Durrant A,et al.Optimisation of Tray Drier Microalgae Dewatering Techniques Using Response Surface Methodology[J].Energies,2018,11(9).
[17]姚克俭,章渊昶,王良华,等.新型高效大通量DJ系列塔板的研究与工业应用[J].Chemical Industny and Engineering Progress,2003,22(3).
[18]Chiarathanakrit C,Mayakun J,Prathep A,et al.Comparison of the effects of calcified green macroalga(Halimeda macroloba Decaisne)and commercial CaCO3 on the properties of composite starch foam trays[J].International Journal of Biological Macromolecules,2019(121):71.
[19]Adachi T,Miya A.Microalgae Culturing Reactor for Carbon Dioxide Elimination and Oxygen Recovery-CO?Fixation Activity Under Various Irradiation Cycle[J].SAE Transactions,1994(103):1038~44.
[20]Hall D O,Acién Fernández F G,Guerrero E C,et al.Outdoor helical tubular photobioreactors for microalgal production:Modeling of fluid-dynamics and mass transfer and assessment of biomass productivity[J].Biotechnology and Bioengineering,2003,82(1):62~73.
[21]姜东晖,张思涵,王华.碳足迹视角下的山东省经济转型发展研究[J].山东科技大学学报(社会科学版),2014,16(3):83~88.
[22]乔英云.合成气一步法直接合成二甲醚分离工艺和分离设备的研究[D].太原:太原理工大学,2011.