期刊
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
卷 50, 期 19, 页码 11181-11192出版社
AMER CHEMICAL SOC
DOI: 10.1021/ie200723w
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A mathematical model was constructed to simulate the behavior of an open algal pond particularly with respect to CO2 supply and utilization. The algal pond considered takes wastewater as feed, which provides substrate for aerobic bacteria and also nutrients for the algal-bacterial consortium. CO2-containing gas such as flue gas or biogas is considered as additional source of CO2 to support the growth of algae which at the same time also serves the purpose of CO2 abatement. A number of simulation studies were carried out to evaluate the performance of the system in terms of the production of algae, treatment of wastewater, and CO2 fixation and removal. Important design and operating parameters were considered, including pond depth, hydraulic retention time, composition of the feed wastewater, flow rate and CO2 fraction of the supplied gas flow, and the area utilized for gas flow induction. Several useful observations were made based on the simulation results, with the potential to provide guidance to the future practical development of multifunctional algal ponds.
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