Reduction of hydrate formation in gas production equipment

Claim 1

IN A METHOD FOR RECOVERING A VOLATILE FREEZING POINT XEPRESSANT FROM A SUBSTANTIALLY GASEOUS EFFLUENT FROM EQUIPMENT HAVING SURFACES CONTACTED BY SAID EFFLUENT AND INTO WHICH SAID DEPRESSANT HAS BEEN INJECTED TO REDUCE HYDRATE FORMATION, SAID EFFLUENT CONTAINING WATER IN VAPOR FORM AND PREVIOUSLY INJECTED DEPRESSANT IN VAPOR FORM, THE STEPS COMPRISING: CONTACTING SAID EFFLUENT WITH AN ABSORBENT IN AN ABSORPTION CONTACTOR VESSEL, ABSORBING AND RECOVERING IN SAID ABSORBENT DURING SAID CONTACTING WATER VAPORS AND DEPRESSANT VAPORS FROM SAID EFFLUENT, SUBSEQUENTLY LIBERATING SAID ABSORBED AND RECOVERED WATER VAPORS AND DEPRESSANT VAPORS FROM SAID ABSORBENT, AND SUBSEQUENTLY SUBJECTING SAID LIBERATED WATER VAPORS AND DEPRESSANT VAPORS TO FRACTIONATION TO RECOVER SAID DEPRESSANT.