Process and apparatus for conducting catalytic reactions and stripping

Claim 1

A VESSEL FOR EFFECTING A CHEMICAL REACTION IN THE PRESENCE OF FINELY DIVIDED FLUIDIZED CONTACT MATERIAL AND SEPARATION OF REACTION PRODUCTS THEREFROM, WHICH COMPRISES IN COMBINATION AN ELONGATED UPRIGHT CYLINDRICAL VESSEL, A PARTITION SEPARATING SAID VESSEL INTO AN UPPER CHAMBER AND A LOWER CHAMBER, SAID UPPER CHAMBER BEING OF SMALLER DIAMETER THAN SAID LOWER CHAMBER, SAID UPPER CHAMBER BEING DIVIDED INTO A SETTLING CHAMBER AND A STRIPPING CHAMBER, SAID SETTLING CHAMBER AND SAID STRIPPING CHAMBER BEING IN OPEN COMMUNICATION WITH ONE ANOTHER IN THE UPPER PORTION THEREOF, MEANS FOR PASSING CONTACT MATERIAL FROM SAID SETTLING CHAMBER TO SAID STRIPPING CHAMBER, A FIRST CONDUIT EXTENDING DOWNWARDLY THROUGH SAID SETTLING CHAMBER FROM A POINT BELOW SAID TRANSFER MEANS TO THE LOWER PORTION OF SAID LOWER CHAMBER, MEANS FOR INTRODUCING A FLUID MATERIAL INTO THE LOWER PORTION OF SAID FIRST CONDUIT, A SECOND CONDUIT EXTENDING DOWNWARDLY THROUGH SAID SETTLING CHAMBER FROM A POINT ABOVE SAID TRANSFER MEANS TO THE LOWER PORTION OF SAID LOWER CHAMBER, A HORIZONTAL PERFORATED PARTITION BELOW SAID TRANSFER MEANS AND CONTIGUOUS WITH THE WALLS OF SAID STRIPPING CHAMBER, A WITHDRAWAL CONDUIT CONCENTRICALLY LOCATED WITHIN SAID STRIPPING CHAMBER AND BELOW SAID TRANSFER MEANS EXTENDING DOWNWARDLY THROUGH SAID PARTITION AND OUTWARDLY THROUGH SAID VESSEL WALL, MEANS FOR INTRODUCING STRIPPING GAS TO THE LOWER PORTION OF SAID STRIPPING CHAMBER BELOW SAID PERFORATED PARTITION AND MEANS FOR REMOVING REACTION PRODUCTS FROM THE UPPER PORTION OF SAID LOWER CHAMBER.