||A two-stage optimisation approach to the design of water-using systems in process plants
|| Abebe, S., Shang, Z., Kokossis, A.
||Computer Aided Chemical Engineering, vol.14, no.C, p.11-16
||The minimisation of water and waster flows is an objective of increasing value in industries. The paper presents a systematic optimisation approach for the design of the water-using systems in process plants with minimum water usage and capital investment. The proposed approach combines the benefits of water-pinch concepts and mathematical programming techniques. It follows a two-stage procedure, namely targeting stage and network design stage. Both stages rely on the optimisation of a superstructure model with all possible connections between (i) freshwater sources and operations, and (ii) different water-using operations. The approach facilitates the inherent combinatorial nature of the design problem and solves it efficiently. © 2003 Elsevier B.V. All rights reserved.
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