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Vol. 25 No. 5 (2013): Vol 25 Issue 5

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Production of Multiple Freshwater by Reverse Osmosis Seawater Desalination

https://doi.org/10.14233/ajchem.2013.13948
Yanyue Lu
Key Laboratory of Chemical and Biological Transforming Process, Guangxi Key Laboratory of Chemistry and Engineering of Forest Products, College of Chemistry and Chemical Engineering, Guangxi University for Nationalities, Nanning 530006, P.R. China
Anping Liao
Key Laboratory of Chemical and Biological Transforming Process, Guangxi Key Laboratory of Chemistry and Engineering of Forest Products, College of Chemistry and Chemical Engineering, Guangxi University for Nationalities, Nanning 530006, P.R. China
Yangdong Hu
College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266003, P.R. China

Corresponding Author(s) : Yanyue Lu

luyanyue@163.com

Asian Journal of Chemistry, Vol. 25 No. 5 (2013): Vol 25 Issue 5

Abstract

An optimization method based on process synthesis has been presented and applied to design a reverse osmosis system. Multiple freshwater can be produced by the seawater desalination system using reverse osmosis membrane module. A simplified superstructure that contains all the feasible design for this desalination problem has been presented firstly. Then, membrane separation units employing the spiral wound reverse osmosis elements were described by using a pressure vessel model, which takes into account the pressure drop and concentration changes in the membrane channel. The optimum design problem can be formulated as a mixed-integer non-linear programming problem, which minimizes the total annualized cost of the reverse osmosis system. The effectiveness of this design methodology has been demonstrated by solving a desalination case.

Keywords

Reverse osmosis Seawater desalination Optimum design Structure Module model
Lu, Y., Liao, A., & Hu, Y. (2012). Production of Multiple Freshwater by Reverse Osmosis Seawater Desalination. Asian Journal of Chemistry, 25(5), 2801–2804. https://doi.org/10.14233/ajchem.2013.13948
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