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Comment PDF Solids Handling

Guidelines for Solids Storage, Feeding and Conveying

By Shrikant Dhodapkar The Dow Chemical Co. (U.S.), Lyn Bates Ajax Equipment Ltd. (U.K.), George Klinzing University of Pittsburgh (U.S.), Peter Wypych Un |

    Successful startup and operation of solids-handling processes depend on myriad small yet fateful decisions that are made during the various phases of the project. Many of these are not quantitative but qualitative in nature, and are largely based on experience and broad-based knowledge of solids handling. It is just as important to know what not to do as it is to know what to do. Since many engineers receive very little formal training on solids handling, their first instinct is to draw an analogy between solids-handling systems and fluids-based systems. This should be avoided. The behavior of solids (powders, pellets and granules) is often counter-intuitive to the behavior of pure fluids. The guidelines presented here draw upon the collective experience of the authors and highlight key issues that need particular attention. These recommendations are by no means exhaustive, but merely provide a starting point for a thoughtful discussion.   STORAGE Material Testing and Evaluation Get a representative and traceable sample. Make sure that the sample is stable over time. If large variability is observed, understand the source (nature and range) of the variability, and collect multiple samples to establish the bounds…
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