Patent ID: 6809121
Filing Date: 2004-10-26
Classification: C07C,C10G

Abstract:
A process for the production of methanol and/or dimethyl ether and/or other oxygenates thereof, an H2-rich stream and a CO2-rich stream and electrical power, comprising the combination of the following steps:the preparation of synthesis gas substantially consisting of H2, CO, CO2 and small amounts of methane in a reformation plant by feeding lower hydrocarbons and steam to the reformation plant, splitting of the synthesis gas into two streams, whereof the one is used as a feed to one or several reactions for the synthesis of methanol and/or dimethyl ether and/or other oxygenates thereof, whereas the other stream is passed to one or more shift reactors wherein it is subjected to a shift reaction, the shifted gas stream mainly consisting of H2 and CO2, is passed to a separation means and subjected to a separation therein into two streams which substantially contain H2 and CO2 respectively, at least 5% of the substantially H2-containing stream is passedâ€”optionally as part streamsâ€”to the methanol synthesis reactor(s), and the remaining part of the H2 containing stream to one or more heat generating station(s) or to other H2-requiring processes.