Optimal design of reverse osmosis-based water treatment systems

被引：17

作者：

Karuppiah, Ramkumar ^{[1
]}

Bury, Scott J. ^{[1
]}

Vazquez, Adriana ^{[1
]}

Poppe, Gregg ^{[1
]}

机构：

[1] Dow Chem Co USA, Engn & Proc Sci R&D, Midland, MI 48667 USA

来源：

AICHE JOURNAL | 2012年 / 58卷 / 09期

关键词：

reverse osmosis; superstructure optimization; MINLP; desalination; SEAWATER DESALINATION; OPTIMIZATION; NETWORKS; UNCERTAINTY; MEMBRANES; PLANTS;

D O I：

10.1002/aic.13880

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

We address the problem of optimal design of reverse osmosis (RO)-based water treatment systems. A superstructure optimization method is proposed to solve the problem, where the superstructure for a RO system is structurally enhanced with additional features. We formulate the problem as mixed-integer nonlinear program which is solved to yield optimal results. A case study on desalination is considered in this work, and the numerical results obtained using our approach are validated using a commercial simulation tool. We further extend the problem by considering the effects of degradation of membrane performance over time and solve it by representing the problem as a two-stage stochastic program. This new approach is highly useful for identifying minimum cost robust designs for membrane-based water purification systems, which are especially important in desalination applications. (c) 2012 American Institute of Chemical Engineers AIChE J, 2012

引用

页码：2758 / 2769

页数：12

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