PROCESS OF PRODUCING LIGHT OLEFINS THROUGH THE CONVERSION OF METHANOL AND ETHANOL
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United States of America Patent
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Issued Date -
Jun 10, 2010
app pub date -
Feb 4, 2008
filing date -
Feb 7, 2007
priority date (Note) -
Abandoned
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Abstract
The present invention discloses a process of producing light olefins through the conversion of methanol and ethanol. The process comprises: feeding a first portion of a feed via a distributor at the bottom of a fluidized-bed reactor to a reaction zone containing a catalyst; feeding a second portion of the feed from at least one location above the distributor to the reaction zone; contacting the feed with the catalyst and allowing it to react, to give a stream containing ethylene and propylene; and withdrawing the stream containing ethylene and propylene from the top of the reactor, and passing it to a separation system to separate ethylene and propylene, wherein the first portion of the feed and the second portion of the feed comprises each independently methanol or ethanol or the both, with a proviso that the total feed comprises both methanol and ethanol, and a weight ratio of methanol to ethanol in the total feed is in a range of from 99:1 to 0.1:1.
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