15239

13696

كارشناسي ارشد

شيمي نساجي و علوم الياف

اصفهان : دانشگاه صنعتي اصفهان

1398

[يازده]، 71ص.: مصور، جدول، نمودار

محمود فيض

هاله خليلي، حسين ايزدان

1398/08/04

كتابنامه

نساجي

مهندسي نساجي

1398/08/04

2567108

72 Isfahan University of Technology Department of Textile EngineeringKinetic and thermodynamic of disperse and disperse reactive dye removal from synthetic wastewate by using multiwall carbon nanotubes Paria Asghari paria asghari@tx iut ac ir Department of Textile Engineering Isfahan University of Technology Isfahan 84156 83111 IranDegree M Sc Language FarsiSupervisors M feiz feiz@cc iut ac ir Abstract Textile industry is a source of water pollution Nowadays wastewater containing dyes is aserious environment problem because of the high toxicity an accumulation in theenvironment In this study multi walled carbon nanotube was use an adsorbent for adsorptionDisperse Blue19 Disperse Blue 75 and Disperse Reactive from the aquatic environment Theeffect of various operating parameters such as initial concentration of dye 120 500 1160ppm adsorbent dosage 0 1 1 3 gr lit and pH 4 5 7 10 5 was investigated Theeffectiveness of dye removal and optimization of water treatment conditions have beeninvestigated in a Taguchi experimental design Disperse Blue29 DB29 and DisperseReactive DR from aqueous solution After investigating the pH effect on adsorption presses other parameters such as amount of adsorbent contact time concentration of DisperseBlue19 Disperse Reactive blue were optimized by one at the time methods The optimumcondition for adsorbent was set as follows 500 0 mg L 1 for dye concentration 1 g for theadsorbent dosage and 90 minutes for contact time with predicted removal of 85 19 forDisperse Blue19 and 95 9 for Disperse Reactive the optimum condition for adsorbent was setas follows 120 mg L 1 for Disperse Blue 75 concentration 3 g for the adsorbent dosage and120 minutes for contact time with predicted removal of 73 3 for Disperse Blue75 Theaccuracy and ability of method at optimum values predicted by this model was studied byconduction of similar experiments at the same previously optimized conditions Followingoptimization of variables fitting the experimental data to various conventional methodsreveal that pseudo second order kinetic model Among the well known isotherm models theexperimental equilibrium data efficiently can be represented by the Langmuir model Thethermodynamic parameters such as Gibbs free energy changes G 0 enthalpy H0 and

محمود فيض

هاله خليلي، حسين ايزدان