Method for producing ethylene oxide by directly oxidizing...

Details Method for producing ethylene oxide by directly oxidizing... Method for producing ethylene oxide by directly oxidizing...

C - Chemistry, Metallurgy

07

D

C07D 301/08 (2006.01) F22B 1/18 (2006.01)

Patent

CA 2343767

The invention relates to a method for optimizing the specific energy consumption of a method for producing ethylene oxide by direct oxidization of ethylene with air or oxygen, using water as the heat transfer medium for removing the heat of the reaction so that water vapor is formed. According to the invention, the water vapor is first expanded in one or several back pressure steam turbine(s) T for operating machines M before being supplied for use by one or several other consumers, such as bottom evaporators or steam injectors.

L'invention concerne un procédé de production d'oxyde éthylénique par oxydation directe d'éthylène avec de l'air ou de l'oxygène, utilisant de l'eau comme agent de transfert de chaleur destiné à évacuer la chaleur de réaction, de la vapeur d'eau étant ainsi générée. L'invention a pour objet d'optimiser la consommation spécifique d'énergie. Pour ce faire, la vapeur d'eau est d'abord détendue dans au moins une turbine à contre-pression T pour faire fonctionner des machines de travail M. Ensuite, elle est utilisée par au moins un consommateur, tel que des évaporateurs de résidus ou des injecteurs de vapeur.-

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