SUMAIR GOUVEIA DE ARAUJO

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Graduated in Electrical Engineering - FPTE (1980), Master´s degree in Nuclear Technology Area - USP (1996) and PhD in Nuclear Technology Area - USP (2001), has been working since 1982 as a Senior Technologist at the National Nuclear Energy Commission (IPEN-CNEN / SP). Has experience in Nuclear Engineering, acting on the following subjects: cyclotron, irradiation systems, radioisotope production, high-power microwaves, material recycling, heavy oil recovery, high pressure and high temperature process control, hydrotreating and hydrodesulfurization processes for hydrocarbon loads, microwave and continuous high pressure and high temperature batch reactor units. Worked as a project coordinator for IPEN-CNEN / SP, in partnership with CENPES / Petrobras, from 2005 to 2018, through Future Refining Projects, for the development of pioneering studies, in the application of unconventional technologies, such as microwaves, in order to improve the quality of Brazilian oils. Awards: Inventor Award 2007 (Petrobras); Inventor Award 2008 (Petrobras); Winner of the 1st IPEN Technological Innovation Award 2014; Finalist in Category III of the ANP 2019 Technological Innovation Award. (Text obtained from the Currículo Lattes on November 29th 2021)


Possui graduação em Engenharia Elétrica pela Fundação Paulista de Tecnologia e Educação (1980), mestrado em Tecnologia Nuclear pelo Instituto de Pesquisas Energéticas e Nucleares (IPEN-CNEN/SP)/Universidade de São Paulo (1996) e doutorado em Área de Tecnologia Nuclear pelo Instituto de Pesquisas Energéticas e Nucleares (IPEN-CNEN/SP)/Universidade de São Paulo (2001). Atualmente é Tecnologista Senior da Comissão Nacional de Energia Nuclear (IPEN-CNEN/SP). Tem experiência na área de Engenharia Nuclear, com ênfase em Engenharia Nuclear, atuando principalmente nos seguintes temas: cíclotron, sistemas de irradiação, produção de radioisótopos, micro-ondas de alta potência, reciclagem de materiais, valorização de petróleo pesado, controle de processos em alta pressão e alta temperatura, processos de hidrotratamento e hidrodessulfurização de cargas de hidrocarbonetos, reatores de alta pressão e alta temperatura assistido por micro-ondas, sistemas reacionais de batelada e contínuo assistidos por micro-ondas. Atuou como coordenadora de projetos pelo IPEN-CNEN/SP, em parcerias com o CENPES/Petrobras, de 2005 a 2018, por meio de Projetos de Refino do Futuro, para desenvolvimento de estudos pioneiros, na aplicação de tecnologias não convencionais, como as micro-ondas, no melhoramento da qualidade dos óleos brasileiros. Premio Inventor 2007 (Petrobras); Premio Inventor 2008 (Petrobras); Vencedora do 1ºPrêmio IPEN de Inovação Tecnológica 2014, Finalista na Categoria III do Prêmio ANP de Inovação Tecnológica 2019. (Texto extraído do Currículo Lattes em 29 nov. 2021)

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    Artigo IPEN-doc 27414
    Study of the feasibility of biodiesel production, from vegetable oils and catalysts of seafood residues, in a batch hydrogenation reaction unit, assisted by microwave and conventional heating
    2020 - ARAUJO, S.G.; LANDINI, L.; SALVADOR, V.L.R.; SCAPIN, M.A.; MASSANARES, B.F.; URBANINHO, A.B.
    In this work, it was proposed to study the feasibility of biodiesel production, from residues of vegetable oils used in domestic activities, employing (CaCO3) shells prepared like calcium oxide (CaO) as catalysts, in a batch reaction unit, on bench scale, installed at IPENCNEN/ SP. This unit is capable of operating with high pressure hydrogen gas (up to 200bar) and high temperature (up to 500°C, using microwave - MW (2.450MHz, with up to 2kW continuous and 8kW pulsed) and conventional heating – (electric) MC. In the tests, the oil load (mL), type and mass of catalyst, with or without hydrogen gas pressure (bar), temperature (°C), reaction time (h), microwave power (W), the speed of the load (rpm) agitation and the conventional heating were evaluated. The analytical determinations of the samples were carried out by means of density, gas chromatography (GC) and X-ray fluorescence. Data were collected in order to be compared with other methodologies, already used in the literature. The purpose of this work was to analyze the efficiency of the use of these types of catalysts and oils in the production of biodiesel, as an alternative technology. The Ca and CaO contents found in the pink shell, before and after the calcination, were 36.2% and 98.8%, respectively. The best result obtained for the density was 0.875182g/cm3, for the test with 4g of calcined shell catalyst and reaction of 1h. As to the methyl ester content, the highest result was 95.33%, in a test with 4g of catalyst and reaction of 3h. In the non-calcined shell test (22.5g), although the amount of mass used was much larger (5% of the oil mass), the ester content was very low, 2.11%.