Reduction in flushing volume in an adsorptive separation system
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United States of America Patent
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Aug 12, 2014
Grant Date -
Jan 30, 2014
app pub date -
Oct 3, 2013
filing date -
Mar 23, 2011
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Abstract
A process for separating a product from a multicomponent feedstream to an adsorption apparatus or system is described. The apparatus or system may comprise a moving-bed or a simulated moving-bed adsorption means. The product comprises at least one organic compound, such as an aryl compound with alkyl substitutes. In embodiments the conduits used to supply the feedstream to the apparatus or system are flushed with media of multiple grades. The improvement is a more efficient use of the desorbent. In embodiments the process achieves improvements in one or more of efficiency of adsorption separation, capacity of adsorption apparatus systems, and purity of product attainable by adsorption process.
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