Purification of gas with liquid ionic compounds
First Claim
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1. A method for separating a gas from a gaseous mixture, comprising the step of contacting the gaseous mixture with a liquid ionic compound, said liquid ionic compound comprising a nitrogen-containing heterocyclic cation.
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Abstract
The present invention provides a method for purifying a gas by contacting the gas with a liquid ionic compound. Natural gas may be purified, removing water and carbon dioxide, by contacting the natural gas with a liquid ionic compound.
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30 Claims
- 1. A method for separating a gas from a gaseous mixture, comprising the step of contacting the gaseous mixture with a liquid ionic compound, said liquid ionic compound comprising a nitrogen-containing heterocyclic cation.
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