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In-situ catalytic pyrolysis of peanut (Arachis hypogaea) shells was investigated employing modified clinoptilolite. Likewise, conventional pyrolysis of the shells was explored to quantify the deoxygenation degree of bio-oil. Two solid catalysts obtained from natural clinoptilolite were used: one which retained most of the native cations and another one subjected to ion exchange treatment to develop Brønsted acid sites. These catalysts were characterized using different techniques, such as scanning electron microscopy with X-ray microanalysis, Fourier transform infrared spectroscopy by pyridine adsorption, and nitrogen sorptometry. Assays in a bench scale installation based on a fixed bed reactor were conducted at 500 °C and the yields of the three kinds of pyrolysis products (bio-oil, bio-char and gases) were determined. Likewise, the composition and other physical properties of the bio-oil and gases were investigated. Both catalysts led to reduce the oxygen content of the bio-oil, improving its high heating value. On the other hand, catalytic pyrolysis promoted a slight reduction in bio-oil production at expenses of an increase in gases generation. The catalyst subjected to ion exchange performed better than the native form as less water was generated in the catalytic cracking. © 2017 Elsevier B.V.


Documento: Artículo
Título:In-situ catalytic pyrolysis of peanut shells using modified natural zeolite
Autor:Gurevich Messina, L.I.; Bonelli, P.R.; Cukierman, A.L.
Filiación:Programa de Investigación y Desarrollo de Fuentes Alternativas de Materias Primas y Energía − PINMATE, Departamento de Industrias, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Intendente Güiraldes 2620, Ciudad Universitaria, Buenos Aires, C1428BGA, Argentina
Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Godoy Cruz 2290, Buenos Aires, C1425FQB, Argentina
Cátedra de Tecnología Farmacéutica II, Departamento de Tecnología Farmacéutica, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Junín 956, Buenos Aires, C1113AAD, Argentina
Palabras clave:Bio-oil quality improvement; Catalytic pyrolysis; Clinoptilolite; Peanut shells; Biofuels; Catalysts; Chemical reactors; Fourier transform infrared spectroscopy; Ion exchange; Oilseeds; Pyrolysis; Scanning electron microscopy; Shells (structures); Zeolites; Bio oil; Catalytic pyrolysis; Clinoptilolites; Ion-exchange treatment; Modified clinoptilolite; Natural clinoptilolite; Peanut shells; Pyridine adsorption; Catalytic cracking
Página de inicio:160
Página de fin:167
Título revista:Fuel Processing Technology
Título revista abreviado:Fuel Process Technol


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---------- APA ----------
Gurevich Messina, L.I., Bonelli, P.R. & Cukierman, A.L. (2017) . In-situ catalytic pyrolysis of peanut shells using modified natural zeolite. Fuel Processing Technology, 159, 160-167.
---------- CHICAGO ----------
Gurevich Messina, L.I., Bonelli, P.R., Cukierman, A.L. "In-situ catalytic pyrolysis of peanut shells using modified natural zeolite" . Fuel Processing Technology 159 (2017) : 160-167.
---------- MLA ----------
Gurevich Messina, L.I., Bonelli, P.R., Cukierman, A.L. "In-situ catalytic pyrolysis of peanut shells using modified natural zeolite" . Fuel Processing Technology, vol. 159, 2017, pp. 160-167.
---------- VANCOUVER ----------
Gurevich Messina, L.I., Bonelli, P.R., Cukierman, A.L. In-situ catalytic pyrolysis of peanut shells using modified natural zeolite. Fuel Process Technol. 2017;159:160-167.