PROCESS FOR PREPARING METHANOL
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United States of America Patent
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Issued Date -
Dec 20, 2012
app pub date -
Jan 28, 2011
filing date -
Feb 22, 2010
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Abstract
Catalytic process for the preparation of methanol, with a plurality of serial synthesis stages, in which the severity of the reaction conditions, on the basis of the reaction temperature and/or the concentration of carbon monoxide in the synthesis gas, decreases from the first to the last reaction stage in flow direction, the first reaction stage having a first catalyst of low activity but high long-term stability, and the last reaction stage having a second catalyst of high activity but low long-term stability.
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