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Class Information
Number: 502/41
Name: Catalyst, solid sorbent, or support therefor: product or process of making > Regenerating or rehabilitating catalyst or sorbent > Gas or vapor treating > Treating with free oxygen containing gas > In gaseous suspension (e.g., fluidized bed, etc.)
Description: Process wherein particles of material are contacted by a column of gas rising at a velocity which supports them in a state of turbulence.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5098553 |
Catalytic cracking process using regenerator with multiple catalyst outlets |
Mar. 24, 1992 |
| 5071802 |
Regeneration of catalysts by burning in the presence of alcohols |
Dec. 10, 1991 |
| 5062944 |
Catalytic cracking process with multiple catalyst outlets |
Nov. 5, 1991 |
| 5059305 |
Multistage FCC catalyst stripping |
Oct. 22, 1991 |
| 5047140 |
Process and apparatus for multi-stage regeneration of catalyst in a bubbling bed catalyst regenerator and side mounted fast fluidized bed regenerator |
Sep. 10, 1991 |
| 5037538 |
Catalytic cracking process with isolated catalyst for conversion of NO.sub. x |
Aug. 6, 1991 |
| 5030338 |
Conversion process using direct heating |
Jul. 9, 1991 |
| 5027893 |
Heat exchanger with backmix and flow-through particle cooling |
Jul. 2, 1991 |
| 5021144 |
Process for the reduction of NO.sub.X in an FCC regeneration system by select control of CO oxidation promoter in the regeneration zone |
Jun. 4, 1991 |
| 5017536 |
Catalyst regeneration including method of introducing oxygen into fluidized bed |
May. 21, 1991 |
| 5007999 |
Method for reducing sulfur oxide emission during an FCC operation |
Apr. 16, 1991 |
| 5002915 |
Process for catalyst regeneration with flue gas |
Mar. 26, 1991 |
| 5001095 |
Method and apparatus for controlling moisture by flue gas segregation |
Mar. 19, 1991 |
| 4997800 |
Fluidized bed combustion |
Mar. 5, 1991 |
| 4994424 |
Catalytic cracking process with improved flow in swirl regenerator |
Feb. 19, 1991 |
| 4989669 |
Apparatus and process for exchanging heat between solid particles and a heat exchange medium |
Feb. 5, 1991 |
| 4986897 |
Catalytic conversion of NO.sub.x with NH.sub.3 |
Jan. 22, 1991 |
| 4980052 |
Catalytic cracking of hydrocarbons |
Dec. 25, 1990 |
| 4973399 |
Catalytic cracking of hydrocarbons |
Nov. 27, 1990 |
| 4968404 |
Process for decoking fluid catalytic cracking catalyst |
Nov. 6, 1990 |
| 4968403 |
High efficiency catalytic cracking stripping process |
Nov. 6, 1990 |
| 4959334 |
Fluidized-bed catalyst regeneration |
Sep. 25, 1990 |
| 4958680 |
Apparatus for particulate solids regeneration |
Sep. 25, 1990 |
| 4954467 |
Passivation of metal contaminated cracking catalysts using aqueous suspensions of antimony oxide |
Sep. 4, 1990 |
| 4939109 |
Passivation of metal contaminated cracking catalysts |
Jul. 3, 1990 |
| 4939314 |
Method for on-stream low-pressure regeneration of an oligomerization catalyst from a fluid-bed reactor operating at high pressure with hydrocarbons in a non-liquid phase |
Jul. 3, 1990 |
| 4927795 |
Passivation of metal contaminated cracking catalysts |
May. 22, 1990 |
| 4923834 |
Side mounted coolers with improved backmix cooling in FCC regeneration |
May. 8, 1990 |
| 4881592 |
Heat exchanger with backmix and flow through particle cooling |
Nov. 21, 1989 |
| 4868144 |
Process to reduce NO.sub.x emissions from a fluid catalytic cracking unit |
Sep. 19, 1989 |
| 4851108 |
Hydrocarbon conversion-regeneration process using dilute and dense beds |
Jul. 25, 1989 |
| 4847054 |
Process for catalytically reducing NO contained in a gas |
Jul. 11, 1989 |
| 4843050 |
Catalyst regeneration |
Jun. 27, 1989 |
| 4840928 |
Conversion of alkanes to alkylenes in an external catalyst cooler for the regenerator of a FCC unit |
Jun. 20, 1989 |
| 4835128 |
Method for reducing the effects of metals on FCC catalysts |
May. 30, 1989 |
| 4812431 |
NOx control in fluidized bed combustion |
Mar. 14, 1989 |
| 4812430 |
NO.sub.x control during multistage combustion |
Mar. 14, 1989 |
| 4798711 |
Processes for removing nitrogen oxides, sulfur oxides and hydrogen sulfide from gas streams |
Jan. 17, 1989 |
| 4786622 |
Regeneration of fluid solid particles and separation of solid particles from combustion product flue gases |
Nov. 22, 1988 |
| 4757039 |
Dual function heat withdrawal in a fluidized catalytic cracking-regeneration process |
Jul. 12, 1988 |
| 4755282 |
Process for the reduction of NH.sub.3 in regeneration zone off gas by select recycle of certain-sized NH.sub.3 decomposition catalysts |
Jul. 5, 1988 |
| 4751210 |
Regeneration of an iron based natural catalyst used in the hydroconversion of heavy crudes and residues |
Jun. 14, 1988 |
| 4744962 |
Process for the reduction of ammonia in regeneration zone off gas by select addition of NO.sub.x to the regeneration zone or to the regeneration zone off gas |
May. 17, 1988 |
| 4689312 |
Procedure for regenerating platinum containing zeolite catalyst compositions |
Aug. 25, 1987 |
| 4670410 |
Method for reducing attrition of particulate matter in a chemical conversion process |
Jun. 2, 1987 |
| 4664778 |
Method for regeneration of resid cracking catalyst |
May. 12, 1987 |
| 4617182 |
Cascade heat recovery with coproduct gas production |
Oct. 14, 1986 |
| 4615992 |
Catalyst regeneration process with improved catalyst distribution in a fluidized bed |
Oct. 7, 1986 |
| 4614726 |
Process for cooling during regeneration of fluid cracking catalyst |
Sep. 30, 1986 |
| 4610851 |
Air distributor for FCCU catalyst regenerator |
Sep. 9, 1986 |
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