Device and method for dispensing catalyst pellets
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United States of America Patent
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Oct 6, 2015
Grant Date -
Sep 12, 2013
app pub date -
Mar 21, 2013
filing date -
May 24, 2010
priority date (Note) -
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Abstract
A device and method for dispensing catalyst pellets from a hopper to a chemical reactor. The hopper receives and holds the catalyst pellets at an elevation above the elevation of the chemical reactor. The flow of the catalyst pellets is controlled so they flow into and through a conduit in a widely spaced-apart arrangement to the chemical reactor. This controlled, spaced-apart flow is created by providing a sieve between a hopper and the conduit having openings small enough that the catalyst pellets form bridges above the openings, and then repeatedly breaking up the bridges in a controlled manner.
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