Method and apparatus for treating hydrocarbon oils

Claim 1

THE METHOD FOR THE TREATMENT OF A HYDROCARBON LIQUID OIL WITH A POWDERED CATALYST, WHICH COMPRISES INJECTING THE LIQUID OIL TO BE TREATED DIRECTLY INTO THE LOWER PORTION OF A PSEUDO LIQUID BED OF THE CATALYST IN A REACTION ZONE MAINTAINED UNDER REACTION CONDITIONS OF TEMPERATURE AND UNDER A POSITIVE INTERMEDIATE PRESSURE (A), WITHDRAWING SPENT CATALYST FROM SAID BED OF PSEUDO LIQUID CATALYST AT A POINT ABOVE THE LEVEL OF SAID INTRODUCTION OF SAID OIL AND DECREASING THE PRESSURE THEREON TO A LOWER PRESSURE (B); SUSPENDING THE THUS-WITHDRAWN SPENT CATALYST AT SAID PRESSURE (B) AS A DILUE SUSPENSION IN A STREAM OF STRIPPING GAS AND PASSING THE SPENT CATALYST THUS SUSPENDED IN SAID STRIPPING GAS SUBSTANTIALLY VERTICALLY AND CONCURRENTLY THROUGH AN ELONGATED STRIPPING ZONE TO A SEPARATING AND COLLECTING ZONE AT A HIGHER ELEVATION THAN SAID REACTION ZONE, SEPARATING CATALYST FROM THE STRIPPING GAS IN SAID SEPARATING AND COLLECTING ZONE AND COLLECTING THE SEPARATED CATALYST AS A PSEUDO LIQUID BED IN SAID SONE, PASSING SAID PSEUDO LIQUID CATALYST FROM SAID SEPARATING AND COLLECTING ZONE AS A DENSE CONFINED STREAM BY GRAVITY INTO THE LOWER PORTION OF A BED OF PSEUDO LIQUID CATALYST IN A SEPARATE REGENERA-

Claim 2

THE METHOD FOR THE TREATMENT OF A HYDROCARBON LIQUID OIL WITH A POWDERED CATALYST, WHICH COMPRISES INJECTING THE LIQUID OIL TO BE TREATED DIRECTLY INTO THE LOWER PORTION OF A PSEUDO LIQUID BED OF THE CATALYST IN A REACTION ZONE MAINTAINED UNDER REACTION CONDITIONS OF TEMPERATURE AND UNDER A POSITIVE INTERMEDIATE PRESSURE (A), WITHDRAWING SPENT CATALYST FROM SAID BED OF PSEUDO LIQUID CATALYST AT A POINT ABOVE THE LEVEL OF SAID INTRODUCTION OF SAID OIL AND DECREASING THE PRESSURE THEREON TO A LOWER PRESSURE (B); SUSPENDING THE THUS-WITHDRAWN SPENT CATALYST AT SAID PRESSURE (B) AS A DILUE SUSPENSION IN A STREAM OF STRIPPING GAS AND PASSING THE SPENT CATALYST THUS SUSPENDED IN SAID STRIPPING GAS SUBSTANTIALLY VERTICALLY AND CONCURRENTLY THROUGH AN ELONGATED STRIPPING ZONE TO A SEPARATING AND COLLECTING ZONE AT A HIGHER ELEVATION THAN SAID REACTION ZONE, SEPARATING CATALYST FROM THE STRIPPING GAS IN SAID SEPARATING AND COLLECTING ZONE AND COLLECTING THE SEPARATED CATALYST AS A PSEUDO LIQUID BED IN SAID SONE, PASSING SAID PSEUDO LIQUID CATALYST FROM SAID SEPARATING AND COLLECTING ZONE AS A DENSE CONFINED STREAM BY GRAVITY INTO THE LOWER PORTION OF A BED OF PSEUDO LIQUID CATALYST IN A SEPARATE REGENERA-