Methods for producing diesel range materials having improved cold flow properties
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United States of America Patent
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May 31, 2016
Grant Date -
Oct 30, 2014
app pub date -
Jul 10, 2014
filing date -
Oct 13, 2010
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Abstract
Embodiments of a method for producing a diesel range material having improved cold flow properties are provided. In one embodiment, the method includes the steps of providing a waxy diesel range feedstock, producing an intermediary product stream containing a predetermined amount of oxygenated organocompounds from the waxy diesel range feedstock, and contacting the intermediary product stream with a dewaxing catalyst under process conditions at which the oxygenated organocompounds chemically interact with the dewaxing catalyst to convert a portion of the n-paraffins within the intermediary product stream to iso-paraffins while minimizing cracking of the diesel range material.
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