Treatment of copper ammonium salt solution

Claim 1

IN A PROCESS FOR THE REMOVAL OF CARBON OXIDES FROM AMMONIA SYNTHESIS GAS CONTAINING ENTRAINED HEAVY OIL, IN WHICH SAID GAS IS CONTACTED WITH A SOLUTION OF A COPPER AMMONIUM SALT WITH WHICH SAID OIL IS IMMISCIBLE WHEREBY THE CARBON OXIDES ARE ABSORBED AND REMOVED FROM THE SYNTHESIS GAS, THE ENTRAINED OIL ALSO BEING REMOVED BY SAID SOLUTION, THE SOLUTION CONTAINING CARBON OXIDES AND HEAVY OIL IS PASSED THROUGH SCRUBBING AND REGENERATION TREATMENTS WHEREIN ABSORBED CARBON OXIDES ARE RELEASED AND THE SALT IS REGENERATED, THE REGENERATED SOLUTION IS PASSED TO A SEPARATION ZONE WHEREIN HEAVY OIL IS SEPARATED AND ACID IS INTRODUCED TO THE REGENERATED SOLUTION TO REPLACE ACID LOSS FROM THE SYSTEM, THE IMPROVEMENT WHICH COMPRISES INTRODUCING ACID INTO SAID SOLUTION, IN A ZONE OF TURBULENCE, IN THE SUBSTANTIAL ABSENCE OF HEAVY OIL, THE ACID THUS BEING QUICKLY DISPERSED IN SAID SOLUTION WITHOUT PRECIPITATION OF COPPER FROM SOLUTION.