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REMOVAL OF ACID GASES AND SULFUR COMPONENTS FROM HYDROCARBON GAS STREAMS IN A KAUSTIC TOWER
REMOVAL OF ACID GASES AND SULFUR COMPONENTS FROM HYDROCARBON GAS STREAMS IN A KAUSTIC TOWER
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机译:从钾塔中去除油气道中的酸气和硫成分。
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摘要
The present invention provides a process for treating a hydrocarbon feed gas stream containing acid gases (CO 2 , H 2 S and/or mercaptans) by contacting the feed gas stream in a multi-section caustic tower, the bottom sections employing a recirculating caustic solution to remove the CO 2 and H 2 S down to low single digits parts per million concentration and the upper sections employing a stronger caustic solution an a once through basis to produce a mercaptans depleted gas stream.
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