Abstract:
:Loading railcars with consistent tonnage has immense cost implications for the shipping of distillers' dried grains with soluble (DDGS) product. Therefore, this study was designed to investigate the bulk density variability of DDGS during filling of railcar hoppers. An apparatus was developed similar to a spinning riffler sampler in order to simulate the filling of railcars at an ethanol plant. There was significant difference (P<0.05) between the initial and final measures of bulk density and particle size as the hoppers were emptied in both mass and funnel flow patterns. Particle segregation that takes place during filling of hoppers contributed to the bulk density variation and was explained by particle size variation. This phenomenon is most likely the same throughout the industry and an appropriate sampling procedure should be adopted for measuring the bulk density of DDGS stored silos or transported in railcar hoppers.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Clementson CL,Ileleji KEdoi
10.1016/j.biortech.2010.02.066subject
Has Abstractpub_date
2010-07-01 00:00:00pages
5459-68issue
14eissn
0960-8524issn
1873-2976pii
S0960-8524(10)00377-9journal_volume
101pub_type
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