Apparatus and method for separating gas
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United States of America Patent
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Feb 22, 2011
Grant Date -
Mar 5, 2009
app pub date -
Apr 19, 2006
filing date -
Apr 19, 2005
priority date (Note) -
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Abstract
An apparatus and a method for separating a specified gas from a gas to be treated containing the specified gas comprising at least one ingredient, which comprises allowing the gas to be treated to flow through a column without the use of another gas for transferring the gas to be treated, while keeping the inside of the column packed with a packing material at a reduced pressure. The above apparatus and method can be suitably used for separating a specified gas having a high purity at a low cost.
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