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Provedor de dados:  CIGR Journal
País:  China
Título:  Laboratory-Scale Fractionation of Distillers Dried Grains with Solubles (DDGS)
Autores:  Zhang, Congmu
Xie, Kun
Chen, Ming-Hsun
Rosentrater, Kurt R.
Data:  2015-03-23
Ano:  2015
Palavras-chave:  Processing DDGS
Fractionation
Air classification
Gravity table
Protein
Fiber
Resumo:  The objective of this project was to separate distillers dried grains with solubles (DDGS) into high protein and high fiber fractions, in order to improve value and utility as a livestock feed. This project used a laboratory-scale cylindrical blower (Iowa blower) and a laboratory-scale gravity table (Whippet V-80 separator, Sutton, Steele & Steele, Inc.). The raw DDGS was sieved into multiple streams using 10 mesh, 20 mesh and 40 mesh screens. The 10-20 mesh fraction and 20-40 mesh fraction were then run on the blower and the separator separately, using the same settings for air velocity in the range of 0.32 m/sec to 3.06 m/sec. A high protein fraction was achieved (37.13% db) for the 10-20 mesh fraction with an air velocity of 2.42 m/sec by the blower. For the separator, using the same settings for airflow speed, the rate of eccentric shaft vibration, feedstock loading rate, side and end slopes, a high protein fraction was achieved (39.24% db) for the 10-20 mesh fraction with a range of the rate of eccentric shaft vibration from 350 rotation per minute to 500 rotation per minute. Another high protein fraction was also achieved (40.61% db) for the 20-40 mesh fraction with the same range of eccentric shaft vibration (350-500 rpm). As a result, good protein separation could be achieved by operating either the blower or the gravity table, although further study is required to optimize the separation efficiency.
Tipo:  Info:eu-repo/semantics/article
Idioma:  Inglês
Identificador:  http://www.cigrjournal.org/index.php/Ejounral/article/view/3141
Editor:  International Commission of Agricultural and Biosystems Engineering
Relação:  http://www.cigrjournal.org/index.php/Ejounral/article/view/3141/2021
Formato:  application/pdf
Fonte:  Agricultural Engineering International: CIGR Journal; Vol 17, No 1 (2015): CIGR Journal

1682-1130
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