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Class Information
Number: 422/227
Name: Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing > Chemical reactor > Including internal mixing or stirring means > Mechanical type stirring means > Including a draft tube for internal recirculation
Description: Apparatus including a draft tube (i.e., a longitudinally extending tubular means open at both ends thereof) located within the reaction chamber and providing, in combination with the stirring means, fluid recirculation within the reaction chamber via fluid movement through the tube.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7449159 |
Liquid processing device and method of manufacturing processed liquid |
Nov. 11, 2008 |
| 7279145 |
Multiphase reactor design incorporating filtration system for fixed--bed catalyst |
Oct. 9, 2007 |
| 7125529 |
Apparatus and process for reacting over two catalyst beds |
Oct. 24, 2006 |
| 7022295 |
Installation for carrying out a three phase chemical reaction under pressure |
Apr. 4, 2006 |
| 6986832 |
Arrangement for mixing flows in papermaking process |
Jan. 17, 2006 |
| 6648932 |
Gasification reactor apparatus |
Nov. 18, 2003 |
| 6627174 |
Axial conveyor and loop reactor containing said axial conveyor |
Sep. 30, 2003 |
| 6521205 |
Process for the production of hydrogen by thermal decomposition of water, and apparatus therefor |
Feb. 18, 2003 |
| 6500301 |
Apparatus for gasification of spent liquor |
Dec. 31, 2002 |
| 6447733 |
Fluid contact chamber |
Sep. 10, 2002 |
| 6422736 |
Scalable impeller apparatus for preparing silver halide grains |
Jul. 23, 2002 |
| 6346412 |
Microbial remediation reactor and process |
Feb. 12, 2002 |
| 6270734 |
Multizone downcomer for slurry hydrocarbon synthesis process |
Aug. 7, 2001 |
| 6267934 |
Process for the manufacture of persalt particles |
Jul. 31, 2001 |
| RE37229 |
Hydrocarbon synthesis reactor employing vertical downcomer with gas disengaging means |
Jun. 12, 2001 |
| 6217830 |
Methods and apparatus for separating Fischer-Tropsch catalysts from liquid hydrocarbon product |
Apr. 17, 2001 |
| 6187206 |
Thermal plasma reactor and wastewater treatment method |
Feb. 13, 2001 |
| 6146613 |
Method of zeolite synthesis with homogeneous shaking out of the medium, device and application |
Nov. 14, 2000 |
| 6062547 |
Quench vessel for recovering chemicals and energy from spent liquors |
May. 16, 2000 |
| 6051204 |
Reagent mixing |
Apr. 18, 2000 |
| 6050720 |
Stirring apparatus with coaxial stirring impellers |
Apr. 18, 2000 |
| 6036937 |
Method for producing zinc bromide |
Mar. 14, 2000 |
| 6030493 |
Process for recovering chemicals and energy from cellulose spent liquor using multiple gasifiers |
Feb. 29, 2000 |
| 6030113 |
Mixing apparatus and method for mixing black liquor from cellulose production with ash from flue gases formed from combustion of black liquor |
Feb. 29, 2000 |
| 5955041 |
Natural circulation reactor and use for producing linear and cyclic acetals |
Sep. 21, 1999 |
| 5899566 |
Reactor for corrosive reaction mixtures |
May. 4, 1999 |
| 5846498 |
Reactor system |
Dec. 8, 1998 |
| 5811259 |
Biochemical reactor |
Sep. 22, 1998 |
| 5779995 |
Sludge phase reactor and process for performing sludge phase reactions |
Jul. 14, 1998 |
| 5779996 |
Microbial remediation reactor and process |
Jul. 14, 1998 |
| 5759505 |
Method and device for removing sulphur dioxide from a gas |
Jun. 2, 1998 |
| 5745835 |
Process and apparatus for dissolving a mixture of oxides of uranium and of plutonium |
Apr. 28, 1998 |
| 5744105 |
Slurry reactor |
Apr. 28, 1998 |
| 5726321 |
Process for carrying out gas/liquid reactions under avoidance of a continuous gas phase |
Mar. 10, 1998 |
| 5616304 |
Slurry reactor |
Apr. 1, 1997 |
| 5556765 |
Reactor using tubular spiroids for gas/liquid propulsion |
Sep. 17, 1996 |
| 5556602 |
Device in a reactor for gasifying spent liquor |
Sep. 17, 1996 |
| 5514352 |
Apparatus for high speed air oxidation of elemental phosphorous wastes in aqueous medium |
May. 7, 1996 |
| 5503220 |
Heating and/or cooling of vessels |
Apr. 2, 1996 |
| 5413765 |
Method and apparatus for effecting gas-liquid contact |
May. 9, 1995 |
| 5395593 |
Processing vessel |
Mar. 7, 1995 |
| 5366698 |
Apparatus for effecting gas liquid contact |
Nov. 22, 1994 |
| 5338517 |
Catalytic distillation column reactor and tray |
Aug. 16, 1994 |
| 5332552 |
Enhanced gas separation for bubble column draft tubes |
Jul. 26, 1994 |
| 5304356 |
Method for the fixation of carbon dioxide, apparatus for fixing and disposing carbon dioxide, and apparatus for the treatment of carbon dioxide |
Apr. 19, 1994 |
| 5248613 |
Nonhomogeneous centrifugal film bioreactor |
Sep. 28, 1993 |
| 5227136 |
Bioslurry reactor for treatment of slurries containing minerals, soils and sludges |
Jul. 13, 1993 |
| 5206169 |
Animal carcass compost crib |
Apr. 27, 1993 |
| 5174966 |
Laboratory device and method for treating rock samples |
Dec. 29, 1992 |
| 5162555 |
Process and apparatus for preparing a solution of a non-ferrous metal sulphonate |
Nov. 10, 1992 |
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