Physical Characterization and Biomass Fluidization (Fume Powder)

Author:

Ataíde Carlos Henrique1,Cardoso Cássia Regina1,Borges Lais Reis1

Affiliation:

1. Federal University of Uberlândia

Abstract

The development of big cities and industrialization has been causing environmental degradation problems, damaging natural and energetic resources, besides the bigger production of wastes. So, it is essential the use of renewable alternative fuels, and industrial wastes processing. Biomass can be used in direct combustion, thermo chemical and biological processes. The fume powder is an important waste of tobacco industries. This work makes a characterization of fume powder, originated from Souza Cruz (Uberlândia unit); the objective is to realize the fast pyrolysis in a bubble fluidized bed. Physical analyses of the powder were made to determine the size distribution, and the medium diameter; the solids density and moisture content (dry base). The elementary composition of the material was also determined. The powder fluidization in an acrylic bed (160 cm heights, 10 cm id), was realized to obtain the minimum fluidization velocity.

Publisher

Trans Tech Publications, Ltd.

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science

Reference8 articles.

1. O. O. Fasina: Bioresource Technology. Vol. 99 (2008), p.1259.

2. D. L. Klass in: Biomass for renewable energy, fuels, and chemicals (edited by Academic Press, San Diego, London 1998).

3. M. G. Perez: Co-pyrolysis under vacuum of bagasse and petroleum residue for the production of bio-fuels. Masters (Dissertation) Laval University (2000).

4. X. Li: Biomass gasification in a circulating fluidized bed. Doctorate (Thesis) University of Britsh Columbia (2002).

5. A. V. Bridgwater in: Progress in thermochemical biomass conversion (edited by Blackwell Science Ltd., London 2001).

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