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| Author(s): |
Julian Alfredo Gonzalez Garnica
Total Authors: 1
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| Document type: | Master's Dissertation |
| Press: | Campinas, SP. |
| Institution: | Universidade Estadual de Campinas (UNICAMP). Faculdade de Engenharia Química |
| Defense date: | 2009-11-24 |
| Examining board members: |
Maria Regina Wolf Maciel;
Elizabete Jordão;
Maria Isabel Berto
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| Advisor: | Maria Regina Wolf Maciel |
| Abstract | |
The general objective of this study was to contribute with the biodiesel production. More specifically, the purpose is to obtain experimental parameters kinetics of transesterification reaction for alcoholysis reaction of various vegetable oils produced in Brazil, such as palm oil, waste frying, coconut oil, soybean oil and castor oil, being employed various types of catalysts as sodium hydroxide, potassium hydroxide, guanidine and sodium ethoxide. To obtain the kinetic parameters, the experimental design and the methodology for analyzing the response surface were used, in order to optimized the different reaction conditions, reaction temperature, ratio ethanol / oil,% w / w catalyst, level of agitation and reaction time. Taking into account the results obtained in a variety of experiments planning, some kinetic parameters of alcoholysis reaction of vegetable oils, such as rate constants at different reaction temperature and the overall activation energy of the reaction were determined. Among the results were achieved after the optimized reaction conditions, conversions over 95% with almost all oils, the global activation energies were obtained for global palm oil Ea = 6361 cal/mol, for oil coconut Ea = 1815.6 cal/mol, for soybean oil Ea = 5431.75 cal/mol and for wasted oil Ea=7812,36 cal/mol. (AU) | |
| FAPESP's process: | 07/06206-9 - Experimental determination of kinetic data of transterification reaction for vegetable oils and animal fat |
| Grantee: | Julián Alfredo González Garnica |
| Support Opportunities: | Scholarships in Brazil - Master |