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Modeling and Simulation of Nanoparticle production by Flame Spray Pyrolysis Using CFD coupled to Multivariate Population Balance Equation

Grant number: 17/04045-0
Support type:Regular Research Grants
Duration: October 01, 2017 - March 31, 2020
Field of knowledge:Engineering - Chemical Engineering - Chemical Process Industries
Principal researcher:Dirceu Noriler
Grantee:Dirceu Noriler
Home Institution: Faculdade de Engenharia Química (FEQ). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil


The applications of inorganic nanomaterials have been under the spotlight worldwide given the fact that they present desirable characteristics in many fields such as catalysis, medicine, environment, food, beauty and others. In Chemical Engineering, the nanomaterials, or the nanoparticles, have essential application, for instance, in the design of catalysts with great superficial area and diameters less than 20 nm. High purity nanoparticles with narrow size distribution can be efficiently and economically manufactured in reactors of flame spray pyrolysis (FSP). The FSP process is able to produce mixtures of powders of metallic oxides with sizes between 1 and 200 nm from low cost precursors. The majority of previous studies regarding the FSP process, especially the Double-Flamed FSP for the production of multicomponent nanomaterials, have focused on the synthesis of the nanoparticles and on the qualitative discussion of the process parameters on the final product. However, the broad understanding of the FSP process is fundamental for scale-up studies. The main goal of this project is to develop a tridimensional mathematical model capable of representing the process of production of nanoparticles in FSP reactors through CFD technics combined with multivariate population balances in order to determine the right process conditions for the controlled manufacture of multicomponent nanoparticles. (AU)

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
NETO, PEDRO BIANCHI; MEIERHOFER, FLORIAN; MEIER, HENRY FRANCA; FRITSCHING, UDO; NORILER, DIRCEU. Modelling polydisperse nanoparticle size distributions as produced via flame spray pyrolysis. Powder Technology, v. 370, p. 116-128, . (17/04045-0)
BUSS, LIZOEL; MEIERHOFER, FLORIAN; NETO, PEDRO BIANCHI; MEIER, HENRY FRANCA; FRITSCHING, UDO; NORILER, DIRCEU. Impact of co-flow on the spray flame behaviour applied to nanoparticle synthesis. CANADIAN JOURNAL OF CHEMICAL ENGINEERING, v. 97, n. 2, p. 604-615, . (17/04045-0)
BUSS, LIZOEL; NORILER, DIRCEU; FRITSCHING, UDO. Impact of Reaction Chamber Geometry on the Particle-Residence-Time in Flame Spray Process. FLOW TURBULENCE AND COMBUSTION, v. 105, n. 4, SI, p. 1055-1086, . (17/04045-0)

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