Process for the purification of gases
First Claim
1. PROCESS FOR THE PURIFICATION OF COMBUSTIBLE GASES COMPRISING A MEMBER SELECTED FROM THE GROUP CONSISTING OF CARBON MONOXIDE, HYDROGEN, METHANE AND MIXTURES THEREOF, AND CONTAINING AS IMPURITIES HYDROGEN SULFIDE WITH A MEMBER OF THE GROUP CONSISTING OF ORGANIC SULFUR COMPOUNDS, GUM AND RESIN FORMERS, CYANOGEN COMPOUNDS, CARBON DIOXIDE, AND MIXTURES THEREOF, WHICH COMPRISES CONTACTNG SUCH AS A GAS AT A TEMPERATURE OF BELOW ABOUT -10*C. AT A PRESSURE OF AT LEAST 2 ATMOSPHERES WITH A POLAR ORGANIC WASHING LIQUID SUBSTANTIALLY CHEMICALLY NON-REACTIVE WITH THE GAS COMPONENTS AND HAVING A FREEZING POINT BELOW SAID CONTACTING TEMPERATURE TO THEREBY REMOVE A SUBSTANTIAL PORTION OF SAID HYDROGEN SULFIDE AND SAID SECOND MENTIONED GROUP MEMBER, AND RECOVERING A PURIFIED GAS HAVING A SUBSTANTIALLY REDUCED CONTENT OF SAID IMPURITIES.
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1 Claim
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1. PROCESS FOR THE PURIFICATION OF COMBUSTIBLE GASES COMPRISING A MEMBER SELECTED FROM THE GROUP CONSISTING OF CARBON MONOXIDE, HYDROGEN, METHANE AND MIXTURES THEREOF, AND CONTAINING AS IMPURITIES HYDROGEN SULFIDE WITH A MEMBER OF THE GROUP CONSISTING OF ORGANIC SULFUR COMPOUNDS, GUM AND RESIN FORMERS, CYANOGEN COMPOUNDS, CARBON DIOXIDE, AND MIXTURES THEREOF, WHICH COMPRISES CONTACTNG SUCH AS A GAS AT A TEMPERATURE OF BELOW ABOUT -10*C. AT A PRESSURE OF AT LEAST 2 ATMOSPHERES WITH A POLAR ORGANIC WASHING LIQUID SUBSTANTIALLY CHEMICALLY NON-REACTIVE WITH THE GAS COMPONENTS AND HAVING A FREEZING POINT BELOW SAID CONTACTING TEMPERATURE TO THEREBY REMOVE A SUBSTANTIAL PORTION OF SAID HYDROGEN SULFIDE AND SAID SECOND MENTIONED GROUP MEMBER, AND RECOVERING A PURIFIED GAS HAVING A SUBSTANTIALLY REDUCED CONTENT OF SAID IMPURITIES.
Specification
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Current AssigneeDieter Danulat, Friedrich Danulat Hans, Gertrud Danulat Hedwig, Herbert Wilhelm, Rudolf Becker
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Original AssigneeDieter Danulat, Friedrich Danulat Hans, Gertrud Danulat Hedwig, Herbert Wilhelm, Rudolf Becker
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InventorsWilhelm, Herbert, Becker, Rudolf, GERTRUD DANULAT HEDWIG, FRIEDRICH DANULAT HANS, DIETER DANULAT
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Application NumberUS03/524,694Time in Patent Office1,231 DaysField of SearchUS Class Current62/625CPC Class CodesC10K 1/08 by washing with liquids; Re...
