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Coupling of an acoustic emissions system to a laboratory torrefaction reactor

By Edgar A. Silveira, Marcus Vinicius Girao de Morais, Patrick Rousset, Armando Caldeira-Pires, Anélie Pétrissans and Luiz Gustavo Oliveira Galvao

Abstract

International audienceThis article describes the use and characterization of an acoustic system coupled to a torrefaction reactor. The reactor, including phase shift and frequency, was characterized by applying both Lissajous/Hilbert and cross spectrum techniques. Optimum acoustic frequencies were identified and an exploratory torrefaction test combining frequencies and temperatures was performed. The results from dynamic solid yields, conversion rates and temperature profiles showed that acoustic fields may improve torrefaction treatment

Topics: Torrefaction, Eucalyptus grandis, Experimental acoustic analysis, Solid yield, Conversion rate, [SDV.IDA]Life Sciences [q-bio]/Food engineering, [SPI.GPROC]Engineering Sciences [physics]/Chemical and Process Engineering
Publisher: 'Elsevier BV'
Year: 2018
DOI identifier: 10.1016/j.jaap.2017.12.008
OAI identifier: oai:HAL:hal-02621391v1
Provided by: HAL-CIRAD
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