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US 6,191,329 B1Granted
Process for specific energy saving, especially in the oxychlorination of ethylene
AssigneeKrupp Uhde GmbH
InventorMichael Benje
Life of this patent
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Abstract
A process for specific energy saving, especially in processes involving the oxychlorination of ethylene, facilitates recovery of as much sensible heat to be used for other purposes. In the process the gas mixture leaving the oxychlorination reactor is cooled before it enters the quenching column and the heat recovered is then used to preheat the ethylene recycle gas feed stream.
Claims6
A method for specific energy saving in the oxychlorination of ethylene, said method comprising the steps of:
- initially cooling the gas mixture leaving an oxychlorination reactor;
- allowing the cooled gas to enter a quenching column;
- and
- using heat transmitted in the above steps to preheat the feed stream of a mixture of ethylene and recycle gas.
1 more element
Dependencies are inferred from the claim text.