This study reports the kinetics of ultrasonic transesterification of waste cooking oil into fatty acid methyl esters (FAMEs). Direct sonication of waste cooking oil under controlled external temperatures was performed. Transesterification kinetics under the influence of direct sonication was studied using eight different individual reaction orders with respect to waste cooking oil and methanol. The results show that reaction temperature has a very small effect on the transesterification reaction under direct sonication. The reaction rate constants for different temperatures (35, 45, 55, and 65 degrees C) are determined as: 10.642 g(2) mol(-2) min(-1); 7.053; 7.9727; 10.971 g mol(-1) min(-1) respectively and the activation energy of the ultrasonic transesterification of waste cooking oil was 19,645 J mol(-1) K-1. (C) 2013 American Institute of Chemical Engineers Environ Prog, 33: 1051-1058, 2014
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Univ Fed Rio de Janeiro, Ctr Tecnol, Escola Quim, Lab Tecnol Verdes,Ilha Fundao, BR-21945970 Rio De Janeiro, RJ, BrazilUniv Fed Rio de Janeiro, Ctr Tecnol, Escola Quim, Lab Tecnol Verdes,Ilha Fundao, BR-21945970 Rio De Janeiro, RJ, Brazil
Aranda, Donato A. G.
;
Santos, Rafael T. P.
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Univ Fed Rio de Janeiro, Ctr Tecnol, Escola Quim, Lab Tecnol Verdes,Ilha Fundao, BR-21945970 Rio De Janeiro, RJ, BrazilUniv Fed Rio de Janeiro, Ctr Tecnol, Escola Quim, Lab Tecnol Verdes,Ilha Fundao, BR-21945970 Rio De Janeiro, RJ, Brazil
Santos, Rafael T. P.
;
Tapanes, Neyda C. O.
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Univ Fed Rio de Janeiro, Ctr Tecnol, Escola Quim, Lab Tecnol Verdes,Ilha Fundao, BR-21945970 Rio De Janeiro, RJ, BrazilUniv Fed Rio de Janeiro, Ctr Tecnol, Escola Quim, Lab Tecnol Verdes,Ilha Fundao, BR-21945970 Rio De Janeiro, RJ, Brazil
Tapanes, Neyda C. O.
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Ramos, Andre Luis Dantas
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Inst Tecnol & Pesquisa, Lab Catalise, LCAT, BR-49032490 Aracaju, Sergipe, BrazilUniv Fed Rio de Janeiro, Ctr Tecnol, Escola Quim, Lab Tecnol Verdes,Ilha Fundao, BR-21945970 Rio De Janeiro, RJ, Brazil
Ramos, Andre Luis Dantas
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Antunes, Octavio Auqusto C.
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Univ Fed Rio de Janeiro, Inst Quim, BR-21949900 Rio De Janeiro, RJ, BrazilUniv Fed Rio de Janeiro, Ctr Tecnol, Escola Quim, Lab Tecnol Verdes,Ilha Fundao, BR-21945970 Rio De Janeiro, RJ, Brazil
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Univ Fed Rio de Janeiro, Ctr Tecnol, Escola Quim, Lab Tecnol Verdes,Ilha Fundao, BR-21945970 Rio De Janeiro, RJ, BrazilUniv Fed Rio de Janeiro, Ctr Tecnol, Escola Quim, Lab Tecnol Verdes,Ilha Fundao, BR-21945970 Rio De Janeiro, RJ, Brazil
Aranda, Donato A. G.
;
Santos, Rafael T. P.
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Univ Fed Rio de Janeiro, Ctr Tecnol, Escola Quim, Lab Tecnol Verdes,Ilha Fundao, BR-21945970 Rio De Janeiro, RJ, BrazilUniv Fed Rio de Janeiro, Ctr Tecnol, Escola Quim, Lab Tecnol Verdes,Ilha Fundao, BR-21945970 Rio De Janeiro, RJ, Brazil
Santos, Rafael T. P.
;
Tapanes, Neyda C. O.
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Univ Fed Rio de Janeiro, Ctr Tecnol, Escola Quim, Lab Tecnol Verdes,Ilha Fundao, BR-21945970 Rio De Janeiro, RJ, BrazilUniv Fed Rio de Janeiro, Ctr Tecnol, Escola Quim, Lab Tecnol Verdes,Ilha Fundao, BR-21945970 Rio De Janeiro, RJ, Brazil
Tapanes, Neyda C. O.
;
Ramos, Andre Luis Dantas
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Inst Tecnol & Pesquisa, Lab Catalise, LCAT, BR-49032490 Aracaju, Sergipe, BrazilUniv Fed Rio de Janeiro, Ctr Tecnol, Escola Quim, Lab Tecnol Verdes,Ilha Fundao, BR-21945970 Rio De Janeiro, RJ, Brazil
Ramos, Andre Luis Dantas
;
Antunes, Octavio Auqusto C.
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Univ Fed Rio de Janeiro, Inst Quim, BR-21949900 Rio De Janeiro, RJ, BrazilUniv Fed Rio de Janeiro, Ctr Tecnol, Escola Quim, Lab Tecnol Verdes,Ilha Fundao, BR-21945970 Rio De Janeiro, RJ, Brazil