Turn around for catalyst reactor

Claim 1

IN A PROCESS OF CONDUCTING A TURN AROUND OF A CATALYST REACTION SYSTEM WHEREIN WATER IS A CATALYST POISON, THE CATALYST REACTION SYSTEM CONTAINS A COMPONENT WHICH REACTS WITH RUST TO FORM WATER UNDER THE OPERATING CONDITIONS OF SAID REACTION SYSTEM, AND THE CATALYST REACTION ZONE CONTAINS A USED CATALYST WHICH IT IS DESIRED TO REPLACE WITH FRESH CATALYST COMPRISING ISOLATING THE CATALYST REACTION ZONE AND SHUTTING DOWN THE REMAINDER OF THE REACTION SYSTEM, OPENING AT LEAST A PORTION OF SAID REMAINDER OF THE REACTION SYSTEM TO THE ATMOSPHERE, CONDUCTING ANY DESIRED TURN AROUND OPERATIONS, CLOSING SAID AT LEAST A PORTION OF SAID REMAINDER OF THE REACTION SYSTEM WHICH HAS BEEN OPENED TO THE ATMOSPHERE, PASSING A PURGE GAS THROUGH SAID REMAINDER OF THE REACTION SYSTEM; THE IMPROVEMENT COMPRISING REESTABLISHING FLUID COMMUNICATION BETWEEN SAID CATALYST REACTION ZONE CONTAINING SAID USED CATALYST AND SAID REMAINDER OF THE REACTION SYSTEM, PASSING THE REACTANTS INTO SAID CATALYST REACTION ZONE AND MAINTAINING SAID CATALYST REACTION ZONE UNDER SUITABLE REACTION CONDITIONS FOR AT LEAST A