期刊
KOREAN JOURNAL OF CHEMICAL ENGINEERING
卷 30, 期 9, 页码 1691-1699出版社
KOREAN INSTITUTE CHEMICAL ENGINEERS
DOI: 10.1007/s11814-013-0123-7
关键词
Modeling; Desalination; Reverse Osmosis; Forward Osmosis; Membrane Process
资金
- Plant Technology Advancement Program [07seaheroB02-01-01]
- Ministry of Land, Transport and Maritime Affairs of the Korean government
Membrane processes such as reverse osmosis and forward osmosis for seawater desalination have gained attention in recent years. Mathematical models have been used to interpret the mechanism of membrane processes. The membrane process model, consisting of flux and concentration polarization (CP) models, is coupled with balance equations and solved simultaneously. This set of model equations is, however, implicit and nonlinear; consequently, the model must be solved iteratively and numerically, which is time- and cost-intensive. We suggest a method to transform implicit equations to their explicit form, in order to avoid an iterative procedure. In addition, the performance of five solving methods, including the method that we suggest, is tested and compared for accuracy, cmputation time, and robustness based on input conditions. Our proposed method shows the best performance based on the robustness of various simulation conditions, accuracy, and a cost-effective computation time.
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