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Browse by Category: Main > Chemistry
Class Information
Number: 502/44
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.) > Indirectly heating or cooling spent material within regeneration zone or prior to entry into regeneration zone
Description: Process employing a heat exchanger to change the temperature of the sorbent or catalyst before or during contact with the treating gas.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8609566 Process for venting a catalyst cooler Dec. 17, 2013
8088705 Process for sulfurization or presulfurization of solid particles of a catalyst or an adsorbent Jan. 3, 2012
7692049 Hydrocarbon compositions useful for producing fuels and methods of producing the same Apr. 6, 2010
7687675 Stabilizing catalyst activity during catalyst regeneration Mar. 30, 2010
7678953 Olefin oligomerization Mar. 16, 2010
7667086 Olefin oligomerization and biodegradable compositions therefrom Feb. 23, 2010
7619128 Stabilizing catalyst activity during catalyst regeneration Nov. 17, 2009
7470644 Process for combusting coke Dec. 30, 2008
7375143 Catalyst recover from a slurry May. 20, 2008
6267873 Fluidized catalytic cracking process Jul. 31, 2001
5914288 Metal sulfide initiators for metal oxide sorbent regeneration Jun. 22, 1999
5800697 FCC process with dual function catalyst cooling Sep. 1, 1998
5780563 Supported lewis acid catalysts derived from superacids useful for hydrocarbon conversion reactions Jul. 14, 1998
5773379 Thermal regulation process for a solid in a heat exchanger using cylindrical tube surfaces Jun. 30, 1998
5719093 Method and apparatus for desorbing teda and methyl iodine from used teda-impregnated active carbon by utilizing fluidized bed Feb. 17, 1998
5691262 Regeneration of catalysts used in oxidative dehydrogenation of alkylaromatics and paraffins Nov. 25, 1997
5607890 Supported Lewis acid catalysts derived from superacids useful for hydrocarbon conversion reactions Mar. 4, 1997
5571482 Apparatus for controlling catalyst temperature during regeneration Nov. 5, 1996
5527750 Catalyst regeneration procedure for sulfur-sensitive catalysts Jun. 18, 1996
5462717 Processes using fluidized solids and apparatus for carrying out such processes Oct. 31, 1995
5452757 Pulse pumped catalyst heat exchanger Sep. 26, 1995
5449497 Plug flow vented riser Sep. 12, 1995
5409872 FCC process and apparatus for cooling FCC catalyst during regeneration Apr. 25, 1995
5365006 Process and apparatus for dehydrogenating alkanes Nov. 15, 1994
5351749 Process for cooling fluid solid particles Oct. 4, 1994
5343939 Offset FCC coolers with improved catalyst circulation Sep. 6, 1994
5286690 Method of heat exchange of solid particles for regeneration in catalytic cracking Feb. 15, 1994
5273107 Pumped catalyst heat exchanger Dec. 28, 1993
5248408 Catalytic cracking process and apparatus with refluxed spent catalyst stripper Sep. 28, 1993
5242012 Apparatus and process for cooling fluid solid particles Sep. 7, 1993
5212129 Inverted backmix coolers for FCC units May. 18, 1993
5209287 FCC catalyst cooler May. 11, 1993
5160426 Process and apparatus for indirect heating of catalyst stripper above a bubbling bed catalyst regenerator Nov. 3, 1992
5158919 Catalyst regeneration in a single stage regenerator converted to a two stage high efficiency regenerator Oct. 27, 1992
5143874 Catalyst regenetation in high efficiency regenerator heated by indirect heat exchange Sep. 1, 1992
5128292 Side mounted coolers with improved backmix cooling in FCC regeneration Jul. 7, 1992
5120691 Process for regulating or checking the thermal level of a pulverulent solid incorporating a heat exchanger with fluidized bed compartments Jun. 9, 1992
5110775 Two stage combustion process for cracking catalyst regeneration May. 5, 1992
5066627 Process for simultaneous heating and cooling a fast fluidized bed catalyst regenerator Nov. 19, 1991
5043517 Upgrading light olefin fuel gas in a fluidized bed catalyst reactor and regeneration of the catalyst Aug. 27, 1991
5043055 Process and apparatus for hot catalyst stripping above a bubbling bed catalyst regenerator Aug. 27, 1991
5034115 Process and apparatus for fast fluidized bed regeneration of catalyst in a bubbling bed catalyst regenerator Jul. 23, 1991
5032251 Process and apparatus for fast fluidized bed regeneration of catalyst in a bubbling bed catalyst regenerator Jul. 16, 1991
5032252 Process and apparatus for hot catalyst stripping in a bubbling bed catalyst regenerator Jul. 16, 1991
5027893 Heat exchanger with backmix and flow-through particle cooling Jul. 2, 1991
5000841 Heavy oil catalytic cracking process and apparatus Mar. 19, 1991
4989669 Apparatus and process for exchanging heat between solid particles and a heat exchange medium Feb. 5, 1991
4965232 Process for fluidized-bed catalyst regeneration Oct. 23, 1990
4960503 Heating FCC feed in a backmix cooler Oct. 2, 1990
4958680 Apparatus for particulate solids regeneration Sep. 25, 1990

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