THERMODYNAMIC ANALYSIS OF COFFEE EXTRACT SPRAY DRYING

摘要：

　　In this work,the energy consumption and first and second law thermal efficiency of coffee extract spray drying were evaluated at different air flows (8700– 14397 kgh-1) and temperatures (140-212 °C).The feed flow of coffee extract was constant (575 kgh-1) with a 50 % of solids content.The analysis was developed by simulation from an industrial coffee extract spray drier.The results obtained showed that at inlet air flow of 13000 kgh-1 and air temperature of 160 °C,a minimal energy consumption (3134 kJkg-1) was obtained with high first and second law thermal efficiencies (0.74 and 0.87).

关键词： spray drying coffee energy consumption first law thermal efficiency second law thermal efficiency

作者: J.Villegas-Santiago G.Luna-Solano M.A.Salgado-Cervantes M.A.García-Alvarado

作者单位: Unidad de Investigación y Desarrollo en Alimentos,Instituto Tecnológico de Veracruz,M.A.de Quevedo n DEPI,Instituto Tecnológico de Orizaba Av.Oriente 9 no.852,Orizaba,Veracruz,México

会议类型: 国际会议

会议名称: The 18th International Drying Symposium Conference(第十八届国际干燥学术大会(IDS2012))

会议地点: 厦门

会议语种:英文

页码: 1-5

在线出版日期: 2012-01-11（万方平台首次上网日期，不代表论文的发表时间）