Minimizing energy consumption in reverse osmosis membrane desalination using optimization-based control

被引：75

作者：

Bartman, Alex R. ^{[1
]}

Zhu, Aihua ^{[1
]}

Christofides, Panagiotis D. ^{[1
,2
]}

Cohen, Yoram ^{[1
]}

机构：

[1] Univ Calif Los Angeles, Dept Chem & Biomol Engn, Los Angeles, CA 90095 USA

[2] Univ Calif Los Angeles, Dept Elect Engn, Los Angeles, CA 90095 USA

来源：

JOURNAL OF PROCESS CONTROL | 2010年 / 20卷 / 10期

关键词：

Reverse osmosis desalination; Energy optimization; Feedback control; Process control; Specific energy consumption; MODEL-PREDICTIVE CONTROL; COST OPTIMIZATION; RO MEMBRANE; WATER; RECOVERY; SYSTEM;

D O I：

10.1016/j.jprocont.2010.09.004

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This work focuses on the design and implementation of an optimization-based control system on an experimental reverse osmosis (RO) membrane water desalination process in order to facilitate system operation at energy optimal conditions. A nonlinear model for the RO process is derived using first principles and the model parameters are computed from experimental data. This model is combined with appropriate equations for reverse osmosis system energy analysis to form the basis for the design of a nonlinear optimization-based control system. The proposed control system is implemented on UCLA's experimental RO desalination system and its energy optimization capabilities are evaluated. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：1261 / 1269

页数：9

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