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N. Zamani,H.R. Rajabi,M. Taghdiri,A. Sohyl Fakhaei,V. Vatanpour 한국공업화학회 2014 Journal of Industrial and Engineering Chemistry Vol.20 No.1
This work reports adsorption and catalytic oxidation process for degradation of hexamine (HMT)-containing industrial wastewater based on the reduction in total organic carbon. The studied systemsinclude hydrogen peroxide, MCM-41, phosphotungstic acid (PTA)/MCM-41 embedded via impregnationmethod, PTA/H2O2 and PTA/MCM-41 embedded via impregnation or direct synthesis methods in thepresence of hydrogen peroxide. The TOC results indicated that the system including PTA embeddedwithin MCM-41 via direct synthetic method in the presence of H2O2 has a higher performance fordegradation of HMT-containing wastewater. The total organic carbon for the mineralization of HMT wasobtained to be 57%, under optimum conditions.
M. Rajabi,B. Mirza,K. Mahanpoor,M. Mirjalili,F. Najafi,O. Moradi,H. Sadegh,R. Shahryari-ghoshekandi,M. Asif,I. Tyagi,S. Agarwal,Vinod Kumar Gupta 한국공업화학회 2016 Journal of Industrial and Engineering Chemistry Vol.34 No.-
MWCNTs functionalized with the carboxylate group are used as efficient adsorbent for the rapid removaland fast adsorption of malachite green from the aqueous solutions. The optimized contact time and pHwere 10 min and 9, respectively. The effect of temperature revealed that the adsorption capacity ofmalachite green (MG) dye increased with increasing contact time, temperature and pH of the workingsolution. The adsorption equilibrium and kinetic data was well fitted and found to be in good agreementwith the Langmuir isotherm model and pseudo second order kinetic model respectively with highcorrelation coefficient.