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Simultaneous synthesis of heat-integrated water networks by a nonlinear program:Considering the wastewater regeneration reuse 被引量:1
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作者 Fangyou Yan Wei Li Jinli Zhang 《Chinese Journal of Chemical Engineering》 SCIE EI CAS CSCD 2022年第4期402-411,共10页
Heat-integrated water network synthesis(HIWNS)has received considerable attention for the advantages of reducing water and energy consumptions.HIWNS is effective in water and energy sustainability.Mixed integer non-li... Heat-integrated water network synthesis(HIWNS)has received considerable attention for the advantages of reducing water and energy consumptions.HIWNS is effective in water and energy sustainability.Mixed integer non-linear programming(MINLP)is usually applied in HIWNS.In this work,a novel nonlinear programming(NLP)was proposed for HIWNS by considering wastewater reuse and wastewater regeneration reuse.Integer variables are changed to non-linear equation by the methods for identifying stream roles and denoting the existence of process matches.The model is tested by examples with single and multiple regeneration unit problems.The testing results showed that the NLP is an alternative method for HIWNS with wastewater reuse and regeneration reuse. 展开更多
关键词 None-linear programming Heat-integrated water network synthesis Wastewater regeneration reuse
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Design of Water Network with Multiple Contaminants and Zero Discharge 被引量:2
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作者 李英 都健 姚平经 《Chinese Journal of Chemical Engineering》 SCIE EI CAS CSCD 2003年第5期559-564,共6页
The paper presents a procedure to design water network. First of all, water reuse system, water regeneration reuse system (including regeneration recycle) and wastewater treatment system are designed separately. But t... The paper presents a procedure to design water network. First of all, water reuse system, water regeneration reuse system (including regeneration recycle) and wastewater treatment system are designed separately. But the interaction between different parts demands that each part is designed iteratively to optimize the whole water network. Therefore, on the basis of the separated design a water netvrork superstructure including reuse, regeneration and wastewater treatment is established from the system engineering point of view. And a multi-objective adaptive simulated annealing genetic algorithm is adopted to simultaneously integrate the overall water netvrork to balance the economic and environmental effects. The algorithm overcomes the defect of local optimum of simulated annealing (SA), avoids the pre-maturation of genetic algorithm (GA) and finds a set of solutions (pareto front) in acceptable computer time. Prom the pareto front, a point with minimum fresh water consumption will be extended to zero discharge as our ultimate goal. 展开更多
关键词 water network wastewater treatment reuse regeneration reuse multi-objective adaptive simulated annealing genetic algorithm zero discharge
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