| Patent Number |
Title Of Patent |
Date Issued |
| 6912859 |
Method and apparatus for using a main air compressor to supplement a chill water system |
July 5, 2005 |
| A method and an apparatus for providing make-up water for a chilled water system. A first water tower for cooling water is provided. Condensate water from a condensate water source is extracted. Make-up water for the first water tower is provided using the condensate water. The apparatus |
| 6873920 |
Oxygen fire and blast fragment barriers |
March 29, 2005 |
| A blast fragment and oxygen fire safety barrier comprising a corrugated impact panel connected to and spanning a pair of columns designed by directly impacting the barrier with a fragment of specified weight at a specified velocity to obtain test values for use in determining whether |
| 6718795 |
Systems and methods for production of high pressure oxygen |
April 13, 2004 |
| Systems and methods are disclosed for the power efficient production of high-pressure gaseous oxygen product. In a preferred embodiment, a liquid oxygen stream is pumped to a low to medium pressure and warmed within a first heat exchanger such as a brazed aluminum plate fin heat exchange |
| 6692549 |
Methods for integration of a blast furnace and an air separation unit |
February 17, 2004 |
| The present invention generally relates to processes and apparatuses for the integration of a blast furnace and an air separation plant to increase blast furnace production. The present invention recovers energy from the air separation through the expansion of a product stream. |
| 6551566 |
Hydrodehalogenation process using a catalyst containing nickel |
April 22, 2003 |
| A gas stream containing at least about 90% (vol.) hydrogen and at least one halogen-containing compound is contacted with a nickel hydrogenation catalyst. When the gas stream contacts the hydrogenation catalyst substantially all halogen-containing compounds are dehalogenated. |
| 6202441 |
Cryogenic distillation system for air separation |
March 20, 2001 |
| Air is separated by cryogenic distillation comprising the steps of feeding compressed, cooled and purified air to a high pressure column where it is separated into a first nitrogen enriched stream at the top and a first oxygen enriched stream at the bottom. At least a portion of the firs |
| 5899093 |
Process and apparatus for the production of nitrogen by cryogenic distillation |
May 4, 1999 |
| A single or double dephlegmator is used to transfer heat between condensing nitrogen and rich liquid in a single column nitrogen generator. |
