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NSGA-II for multiobjective optimization of pervaporation process / Gopal R. Nemmani in Industrial & engineering chemistry research, Vol. 48 N°3 (Février 2009) 

Public ISBD [article]  in Industrial & engineering chemistry research > Vol. 48 N°3 (Février 2009) . - p. 1543–1550 Titre : NSGA-II for multiobjective optimization of pervaporation process : removal of volatile organics from water Type de document : texte imprimé Auteurs : Gopal R. Nemmani, Auteur ; Satyanarayana V. Suggala, Auteur ; Prashant K. Bhattacharya, Auteur Année de publication : 2009 Article en page(s) : p. 1543–1550 Note générale : Chemical engineering Langues : Anglais (eng) Mots-clés : Pervaporation  Process  Water  --  Volatile  Organics  wastewater  --  treatment Résumé : Pervaporation is fast emerging as a viable technique for the removal of VOC from wastewater. In our previous study (Satyanarayana, V. S.; Bhattacharya, P. K. Ind. Eng. Chem. Res. 2003, 42, 3118) we have carried out the minimization of the treatment cost for a fixed toluene removal fraction from multicomponent wastewater by single-stage pervaporation using shell and tube module without recycling permeate. In the present work, two objective optimization problem of minimization of the treatment cost with simultaneous maximization of percent removal of toluene is studied using an evolutionary algorithm of NSGA-II. The previously available model (Satyanarayana, V. S.; Bhattacharya, P. K. Ind. Eng. Chem. Res. 2003, 42, 3118) is employed including fiber diameter as an eighth decision variable. The study reveals that attractive trade-offs are available between the two objectives. Further, vacuum and condensation cost is found to be the major contributor to the treatment cost for the entire range of Reynold’s number and the contribution is found to be more dominating with decrease in Reynold’s number. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie8005319 [article] NSGA-II for multiobjective optimization of pervaporation process : removal of volatile organics from water [texte imprimé] / Gopal R. Nemmani, Auteur ; Satyanarayana V. Suggala, Auteur ; Prashant K. Bhattacharya, Auteur . - 2009 . - p. 1543–1550. Chemical engineering Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 48 N°3 (Février 2009) . - p. 1543–1550 Mots-clés : Pervaporation  Process  Water  --  Volatile  Organics  wastewater  --  treatment Résumé : Pervaporation is fast emerging as a viable technique for the removal of VOC from wastewater. In our previous study (Satyanarayana, V. S.; Bhattacharya, P. K. Ind. Eng. Chem. Res. 2003, 42, 3118) we have carried out the minimization of the treatment cost for a fixed toluene removal fraction from multicomponent wastewater by single-stage pervaporation using shell and tube module without recycling permeate. In the present work, two objective optimization problem of minimization of the treatment cost with simultaneous maximization of percent removal of toluene is studied using an evolutionary algorithm of NSGA-II. The previously available model (Satyanarayana, V. S.; Bhattacharya, P. K. Ind. Eng. Chem. Res. 2003, 42, 3118) is employed including fiber diameter as an eighth decision variable. The study reveals that attractive trade-offs are available between the two objectives. Further, vacuum and condensation cost is found to be the major contributor to the treatment cost for the entire range of Reynold’s number and the contribution is found to be more dominating with decrease in Reynold’s number. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie8005319