Method of recovering ammonia from coke-oven gases
First Claim
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1. A METHOD OF RECOVERING AMMONIA FROM COKE-OVEN GASES WHICH COMPRISES PASSING SAID GASES THROUGH A PRIMARY COOLER AND COLLECTING AT THE BOTTOM THEREOF THE AMMONIS LIQUIOR RESULTING, THEN PASSING THE GASES FROM THE COOLER THROUGH A VESSEL IN CONTACT WITH AN ABSORBENT AQUEOUS SOLUTION OF AMMONIA AND PHOSPHORIC ACID AND COLLECTING THE SOLUTION AFTER IT HAS BEEN ENRICHED WITH AMMONIA BY CONTACT WITH THE GASES, THEN DISTILLING AMMONIA FROM SAID LIQUOR AND BRINGING THE RESULTING AMMONIA
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1 Claim
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1. A METHOD OF RECOVERING AMMONIA FROM COKE-OVEN GASES WHICH COMPRISES PASSING SAID GASES THROUGH A PRIMARY COOLER AND COLLECTING AT THE BOTTOM THEREOF THE AMMONIS LIQUIOR RESULTING, THEN PASSING THE GASES FROM THE COOLER THROUGH A VESSEL IN CONTACT WITH AN ABSORBENT AQUEOUS SOLUTION OF AMMONIA AND PHOSPHORIC ACID AND COLLECTING THE SOLUTION AFTER IT HAS BEEN ENRICHED WITH AMMONIA BY CONTACT WITH THE GASES, THEN DISTILLING AMMONIA FROM SAID LIQUOR AND BRINGING THE RESULTING AMMONIA
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Current AssigneeRobert D. Rice
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Original AssigneeRobert D. Rice
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InventorsRice, Robert D.
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Application NumberUS04/019,280Time in Patent Office704 DaysField of SearchUS Class Current423/352CPC Class CodesC01C 1/10 Separation of ammonia from ...C10K 1/10 with aqueous liquids alkali...
