Modeling and Drying of Carton Packaging Waste in a Rotary Dryer

Autor(es)

Bacelos, M. S. ^[1] ; Jesus, C. D. F. ; Freire, J. T. ^[2]

Afiliação do(s) autor(es)

^[1] Univ Fed Espirito Santo, Ctr Univ Norte Espirito Santo, Dept Engn & Ciencias Exatas, Sao Mateus, ES - Brazil

^[2] Univ Fed Sao Carlos, Ctr Ciencias Exatas & Tecnol, Dept Engn Quim, Ctr Secagem Pastas Suspensoes & Sementes, BR-13565905 Sao Carlos, SP - Brazil

• Tipo de documento: Artigo Científico
• Fonte: Drying Technology; v. 27, n. 9, p. 927-937, 2009.
• Citações Web of Science: 13

Resumo

This research aims at modeling the rotary drying of carton packaging waste and analyzing the energy performance of the process. Drying data were obtained in a semi-pilot rotary dryer, 0.45m diameter and 2.7m rotating drum long, operating with an air velocity of 1m/s and air inlet temperature of 90 degrees C and 10rpm. Under the operating conditions employed, the analysis of the data showed that the energy performance of the drying process increased from 5 to 75% as the inlet wet solid feed rate increased from 1.8 to 19kg/h. In addition, at this latter wet-solid feed rate, the reduction of the air velocity in the dryer to 0.8m/s also led to an increase in the performance of drying process from 80 to 94%. Furthermore, with a 95% confidence interval, the model used was adequate to predict the air and solid temperature as well as the air humidity and the solids moisture content. (AU)

• Processo FAPESP: 06/50614-1 - Secagem dos residuos da reciclagem das embalagens cartonadas.
• Beneficiário: Marcelo Silveira Bacelos
• Modalidade de apoio: Bolsas no Brasil - Pós-Doutorado