Removal of acidic gases from gaseous mixtures
专利汇可以提供Removal of acidic gases from gaseous mixtures专利检索，专利查询，专利分析的服务。并且1. IN A PROCESS FOR THE REMOVAL OF ACIDIC GASES FROM GASEOUS MIXTURES WHICH COMPRISES THE STEPS OF PASSING THE GASEOUS MIXTURE THROUGH A FIRST ABSORPTION ZONE IN CONTACT WITH A FIRST ABSORBENT SOLUTION COMPRISING HOT AQUEOUS SOLUTION OF A NON-VOLATILE, ACID-GAS ABSORBING REAGENT SELECTED FROM ALKALI METAL CARBONATES AND ALKALI METAL PHOSPHATES AND A VOLATILE, ACID-GAS ABSORBING ALKANOLAMINE TO REMOVE A MAJOR FRACTION OF THE ACIDIC GASES, PASSING THE RESULTING GASEOUS MIXTURE THROUGH A SECOND ABSORPTION ZONE IN CONTACT WITH A SECOND ABSORBENT SOLUTION COMPRISING A COOLED AQUEOUS SOLUTION OF THE SAME VOLATILE, ACID-GAS ABSORBING ALKANOLAMINE AS IS PRESENT IN SAID FIRST ABSORBENT SOLUTION TO REMOVE SUBSTANTIALLY THE REMAINING ACIDIC GASES FROM THE GASEOUS MIXTURE, PASSING THE SPENT SOLUTION CONTAINING ACIDIC GASES DISSOLVED THEREIN FROM THE SECOND ABSORPTION ZONE TO A SECOND REGENERATION ZONE, PASSING A STREAM OF STEAM IN CONTACT WITH THE SPENT AQUEOUS SOLUTION OF SAID VOLATILE, ACID-GAS ABSORBING ALKANOLAMINE IN THE SECOND REGENERATION ZONE TO STRIP THE ACIDIC GASES THEREFROM, DISCHARGING THE STRIPPING STEAM FROM THE SECOND REGENERATION ZONE,
PASSING THE SPENT SOLUTION CONTAINING ACIDIC GASES DISSOLVED THEREIN FROM THE FIRST ABSORPTION ZONE TO A FIRST REGENERATION ZONE, PASSING THE STRIPPING STEAM DISCHARGED FROM THE SECOND REGENERATION ZONE IN CONTACT WITH THE SPENT AQUEOUS SOLUTION OF SAID NON-VOLATILE, ACID-GAS ABSORBING REAGENT AND SAID VOLATILE, ACID-GAS ABSORBING REAGENT AND SAID VOLATILE, ACID-GAS ABSORBING ALKANOLAMINE IN THE FIRST REGENERATION ZONE TO STRIP THE ACIDIC GASES THEREFROM, RETURNING THE REGENERATED SOLUTIONS FROM THEIR RESPECTIVE REGENERATION ZONES TO THEIR RESPECTIVE ABSORPTION ZONES, THE IMPROVEMENT COMPRISING PASSING SUPPLEMENTARY STRIPPING STEAM TO THE FIRST REGENERATION ZONE AND HEATING THE SPENT ABSORBENT SOLUTION LEAVING THE SECOND ABSORPTION ZONE BY INDIRECT HEAT EXCHANGE WITH HOT SPENT ABSORBENT SOLUTION LEAVING THE FIST ABSORPTION ZONE.，下面是Removal of acidic gases from gaseous mixtures专利的具体信息内容。
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10 酸性氣體的處理方法
