NDLI: Biodiesel production process intensification using a rotor-stator type generator of hydrodynamic cavitation.

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Biodiesel production process intensification using a rotor-stator type generator of hydrodynamic cavitation.

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Biodiesel production process intensification using a rotor-stator type generator of hydrodynamic cavitation.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Crudo, Daniele Bosco, Valentina Cavaglià, Giuliano Grillo, Giorgio Mantegna, Stefano Cravotto, Giancarlo
Description	Country affiliation: Italy Author Affiliation: Crudo D ( E-PIC S.r.l. Turin, Via Ippolito Nievo 25, Turin 10143, Italy.); Bosco V ( E-PIC S.r.l. Turin, Via Ippolito Nievo 25, Turin 10143, Italy.); Cavaglià G ( E-PIC S.r.l. Turin, Via Ippolito Nievo 25, Turin 10143, Italy.); Grillo G ( Dipartimento di Scienza e Tecnologia del Farmaco and NIS - Centre for Nanostructured Interfaces and Surfaces, University of Turin, Via P. Giuria 9, 10125 Turin, Italy.); Mantegna S ( Dipartimento di Scienza e Tecnologia del Farmaco and NIS - Centre for Nanostructured Interfaces and Surfaces, University of Turin, Via P. Giuria 9, 10125 Turin, Italy.); Cravotto G ( Dipartimento di Scienza e Tecnologia del Farmaco and NIS - Centre for Nanostructured Interfaces and Surfaces, University of Turin, Via P. Giuria 9, 10125 Turin, Italy. Electronic address: editor.cravotto@unito.it.)
Abstract	Triglyceride transesterification for biodiesel production is a model reaction which is used to compare the conversion efficiency, yield, reaction time, energy consumption, scalability and cost estimation of different reactor technology and energy source. This work describes an efficient, fast and cost-effective procedure for biodiesel preparation using a rotating generator of hydrodynamic cavitation (HC). The base-catalyzed transesterification (methanol/sodium hydroxide) has been carried out using refined and bleached palm oil and waste vegetable cooking oil. The novel HC unit is a continuous rotor-stator type reactor in which reagents are directly fed into the controlled cavitation chamber. The high-speed rotation of the reactor creates micron-sized droplets of the immiscible reacting mixture leading to outstanding mass and heat transfer and enhancing the kinetics of the transesterification reaction which completes much more quickly than traditional methods. All the biodiesel samples obtained respect the ASTM standard and present fatty acid methyl ester contents of >99% m/m in both feedstocks. The electrical energy consumption of the HC reactor is 0.030kWh per L of produced crude biodiesel, making this innovative technology really quite competitive. The reactor can be easily scaled-up, from producing a few hundred to thousands of liters of biodiesel per hour while avoiding the risk of orifices clogging with oil impurities, which may occur in conventional HC reactors. Furthermore it requires minimal installation space due to its compact design, which enhances overall security.
File Format	HTM / HTML
ISSN	13504177
Journal	Ultrasonics Sonochemistry
Volume Number	33
e-ISSN	18732828
Language	English
Publisher	Elsevier
Publisher Date	2016-11-01
Publisher Place	Netherlands
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Diagnostic Imaging
Content Type	Text
Resource Type	Article
Subject	Organic Chemistry Environmental Chemistry Acoustics and Ultrasonics Radiology, Nuclear Medicine and Imaging Chemical Engineering Inorganic Chemistry

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