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Class Information
Number: 62/646
Name: Refrigeration > Cryogenic treatment of gas or gas mixture > Separation of gas mixture > Air > Distillation > Upstream operation > Flowline expansion engine > Spaced initial charging
Description: Subject matter wherein the feed stream is supplied in a plurality of separate streams and directed to vertically spaced points in the column.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7552599 |
Air separation process utilizing refrigeration extracted from LNG for production of liquid oxygen |
Jun. 30, 2009 |
| 7549301 |
Air separation method |
Jun. 23, 2009 |
| 7533540 |
Cryogenic air separation system for enhanced liquid production |
May. 19, 2009 |
| 7490484 |
Integrated process and gas treatment process |
Feb. 17, 2009 |
| 7487648 |
Cryogenic air separation method with temperature controlled condensed feed air |
Feb. 10, 2009 |
| 7464568 |
Cryogenic distillation method and system for air separation |
Dec. 16, 2008 |
| 7437890 |
Cryogenic air separation system with multi-pressure air liquefaction |
Oct. 21, 2008 |
| 7296437 |
Process for separating air by cryogenic distillation and installation for implementing this process |
Nov. 20, 2007 |
| 7272954 |
Low temperature air separation process for producing pressurized gaseous product |
Sep. 25, 2007 |
| 7219514 |
Method for separating air by cryogenic distillation and installation therefor |
May. 22, 2007 |
| 7197894 |
Integrated process and air separation process |
Apr. 3, 2007 |
| 6776004 |
Air fractionation process and installation with mixing column and krypton-xenon recovery |
Aug. 17, 2004 |
| 6662595 |
Process and device for obtaining a compressed product by low temperature separation of air |
Dec. 16, 2003 |
| 6651460 |
Process and apparatus for the cryogenic separation of air |
Nov. 25, 2003 |
| 6622520 |
Cryogenic rectification system for producing low purity oxygen using shelf vapor turboexpansion |
Sep. 23, 2003 |
| 6601407 |
Cryogenic air separation with two phase feed air turboexpansion |
Aug. 5, 2003 |
| 6598424 |
Process and apparatus for separating a gas mixture with emergency operation |
Jul. 29, 2003 |
| 6568210 |
Method and apparatus for obtaining a gaseous product by cryogenic air separation |
May. 27, 2003 |
| 6564581 |
Three-column system for the low-temperature fractionation of air |
May. 20, 2003 |
| 6543253 |
Method for providing refrigeration to a cryogenic rectification plant |
Apr. 8, 2003 |
| 6536234 |
Three column cryogenic air separation system with dual pressure air feeds |
Mar. 25, 2003 |
| 6536232 |
Method for plant and separating air by cryogenic distillation |
Mar. 25, 2003 |
| 6484533 |
Method and apparatus for the production of a liquid cryogen |
Nov. 26, 2002 |
| 6484534 |
Process and plant for separating air by cryogenic distillation |
Nov. 26, 2002 |
| 6418753 |
Method and device for cryogenic air separation |
Jul. 16, 2002 |
| 6397631 |
Air separation process |
Jun. 4, 2002 |
| 6347534 |
Cryogenic distillation system for air separation |
Feb. 19, 2002 |
| 6339939 |
Process for the conversion of a flow containing hydrocarbons by partial oxidation |
Jan. 22, 2002 |
| 6336345 |
Process and apparatus for low temperature fractionation of air |
Jan. 8, 2002 |
| 6332337 |
Method and apparatus for recovering oxygen at hyperbaric pressure |
Dec. 25, 2001 |
| 6318120 |
Cryogenic distillation system for air separation |
Nov. 20, 2001 |
| 6305191 |
Separation of air |
Oct. 23, 2001 |
| 6293126 |
Air separation |
Sep. 25, 2001 |
| 6279344 |
Cryogenic air separation system for producing oxygen |
Aug. 28, 2001 |
| 6276170 |
Cryogenic distillation system for air separation |
Aug. 21, 2001 |
| 6276171 |
Integrated apparatus for generating power and/or oxygen enriched fluid, process for the operation thereof |
Aug. 21, 2001 |
| 6263701 |
Process for the purification of a major component containing light and heavy impurities |
Jul. 24, 2001 |
| 6263700 |
Multieffect distillation for multicomponent separation |
Jul. 24, 2001 |
| 6260380 |
Cryogenic air separation process for producing liquid oxygen |
Jul. 17, 2001 |
| 6257020 |
Process for the cryogenic separation of gases from air |
Jul. 10, 2001 |
| 6257019 |
Production of nitrogen |
Jul. 10, 2001 |
| 6253577 |
Cryogenic air separation process for producing elevated pressure gaseous oxygen |
Jul. 3, 2001 |
| 6253576 |
Process for the production of intermediate pressure oxygen |
Jul. 3, 2001 |
| 6250896 |
Pump for a cryogenic liquid and pump unit and distillation column which are equipped with such a pump |
Jun. 26, 2001 |
| 6244072 |
Air separation |
Jun. 12, 2001 |
| 6233970 |
Process for delivery of oxygen at a variable rate |
May. 22, 2001 |
| 6227005 |
Process for the production of oxygen and nitrogen |
May. 8, 2001 |
| 6212907 |
Method for operating a cryogenic rectification column |
Apr. 10, 2001 |
| 6202441 |
Cryogenic distillation system for air separation |
Mar. 20, 2001 |
| 6202442 |
Integrated apparatus for generating power and/or oxygen enriched fluid and process for the operation thereof |
Mar. 20, 2001 |
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