The Challenges of DDGS Caking in Transit

by Klein Ileleji and A.R.P. Kingsly
Created: January 10, 2011

Purdue Researchers offer tips on how to prevent DDGS from caking in railcars.

Figure 1. Caked DDGS in a railcar hopper being dislodged manually with a digger.
Figure 1. Caked DDGS in a railcar hopper being dislodged manually with a digger.
Figure 2. Caking process from a free-flowing bulk to a nonflowing solid caked mass.
Figure 2. Caking process from a free-flowing bulk to a nonflowing solid caked mass.
Figure 3. Particle level caking in DDGS.
Figure 3. Particle level caking in DDGS.

Any way by which the product can be covered (tarped) to limit moisture exchange with the environment should decrease its propensity to cake. The effectiveness of these solutions has not yet been investigated by the authors, and will be pursued with the industry in the near future. So we welcome any feedback from interested collaborators.

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The Challenges of DDGS Caking in Transit

Purdue Researchers offer tips on how to prevent DDGS from caking in railcars.

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