caa a22 4500 445388404 CHVBK 20180317143038.0 cr unu---uuuuu 170323e20111001xx s 000 0 eng 10.1007/s11144-011-0334-z doi (NATIONALLICENCE)springer-10.1007/s11144-011-0334-z Kinetics of the esterification of palmitic acid with methanol catalyzed by 12-tungstophosphoric acid supported on ZrO2 [Elektronische Daten] [K. Srilatha, N. Lingaiah, P. Sai Prasad, B. Prabhavathi Devi, R. Prasad] A series of catalysts containing 5-25 wt% 12-tungstophosphoric acid supported on hydrous zirconia were prepared and their catalytic activity evaluated for the esterification of palmitic acid with methanol. These catalysts were characterized by Fourier transform infrared spectroscopy, X-ray diffraction, surface area (BET method), and potentiometric titration for the estimation of acidity. The catalyst with 20 wt% TPA calcined at 300°C exhibited the highest activity. The effects of reaction variables such as catalyst loading, methanol to acid molar ratio and reaction temperature were studied. The pseudo-homogeneous (PH), Eley-Rideal (ER) and Langmuir-Hinshelwood-Hougen-Watson (LHHW) kinetic models were applied to correlate the experimental kinetic data and kinetic parameters were evaluated. The LHHW model gave the best fit. Akadémiai Kiadó, Budapest, Hungary, 2011 Esterification nationallicence Biodiesel nationallicence Kinetic model nationallicence Palmitic acid nationallicence 12-Tungstophosphoric acid nationallicence Zirconia nationallicence Srilatha K. Catalysis Division, Indian Institute of Chemical Technology, 500007, Hyderabad, India aut Lingaiah N. Catalysis Division, Indian Institute of Chemical Technology, 500007, Hyderabad, India aut Sai Prasad P. Catalysis Division, Indian Institute of Chemical Technology, 500007, Hyderabad, India aut Prabhavathi Devi B. Centre for Lipid Science & Technology, Indian Institute of Chemical Technology, 500007, Hyderabad, India aut Prasad R. Centre for Lipid Science & Technology, Indian Institute of Chemical Technology, 500007, Hyderabad, India aut Reaction Kinetics, Mechanisms and Catalysis Springer Netherlands 104/1(2011-10-01), 211-226 1878-5190 104:1<211 2011 104 11144 https://doi.org/10.1007/s11144-011-0334-z text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s11144-011-0334-z text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Srilatha K. Catalysis Division, Indian Institute of Chemical Technology, 500007, Hyderabad, India aut NATIONALLICENCE 700 1- Lingaiah N. Catalysis Division, Indian Institute of Chemical Technology, 500007, Hyderabad, India aut NATIONALLICENCE 700 1- Sai Prasad P. Catalysis Division, Indian Institute of Chemical Technology, 500007, Hyderabad, India aut NATIONALLICENCE 700 1- Prabhavathi Devi B. Centre for Lipid Science & Technology, Indian Institute of Chemical Technology, 500007, Hyderabad, India aut NATIONALLICENCE 700 1- Prasad R. Centre for Lipid Science & Technology, Indian Institute of Chemical Technology, 500007, Hyderabad, India aut NATIONALLICENCE 773 0- Reaction Kinetics, Mechanisms and Catalysis Springer Netherlands 104/1(2011-10-01), 211-226 1878-5190 104:1<211 2011 104 11144 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer