Apparatus for optically enhancing chemical reactions

• US 6,238,078 B1
• Filed: 12/06/1999
• Issued: 05/29/2001
• Est. Priority Date: 01/29/1998
• Status: Expired due to Term

• Current Assignee: GTL Systems, Inc.
• Original Assignee: Gate Technologies International Incorporated
• Inventors: Hed, Aharon Zeev
• Primary Examiner(s): HUSAR, STEPHEN F
• Application Number:
  US09/454,636
• Time in Patent Office: 540 Days
• Field of Search: 362/556, 362/562, 362/572, 362/580, 362/101, 522/1
• US Class Current: 362/562
• CPC Class Codes: B01J 19/122 Incoherent waves gamma-radiation B01J19/082
• CPC Class Codes: G02B 6/0001 specially adapted for lighting devices or systems lighting or signalling on vehicles using light guides B60Q1/00; lighting devices for vehicle dashboards B60Q3/10; lighting devices for vehicle interior using light guides B60Q3/62; lighting devices mounted on the vehicle rear part using light guides F21S43/235; measuring arrangements having light conducting pointers G01D13/265; illumination of liquid crystal displays G02F1/1336; illuminated signs G09F13/00
• CPC Class Codes: G02B 6/0028 Light guide, e.g. taper
• CPC Class Codes: G02B 6/4298 coupling with non-coherent light sources and/or radiation detectors, e.g. lamps, incandescent bulbs, scintillation chambers

Abstract

Chemical reaction is effected utilizing light of an appropriate frequency supplied preferably via optical fibers to one or more light extractors having light-emissive surfaces in contact with reactants. The light can be concentrated before being delivered. Wave guides and a plurality of such extractors can be provided within the vessel.

Claims

1. A tubular reactor for carrying out an optically initiated reaction comprising:

an elongated tube having at least one cylindrical wall defining a space extending from one of said ends to an opposite end of the reactor and formed along a surface of said wall with means for extracting light traversing said wall into said space;

a source of light capable of initiating said reaction connected to said wall at one of said ends for propagation of said light within said wall from said one of said ends to the other of said ends whereby light is extracted by said light extractor into said space;

means for introducing at least one reactant into said space at a first of said ends for light-initiated reactions to produce a product; and

means at a second of said ends for recovering said product from said space.

2. The tubular reactor defined in claim 1 wherein said wall is a light-conductive core formed with a cladding resistant to said reactant and defining a light-extraction zone extending along the length of said core.

3. The tubular reactor defined in claim 1 wherein said means for introducing said at least one reactant is a manifold for supplying a plurality of reactants to said first of said ends.

4. The tubular reactor defined in claim 1 wherein said source is a plurality of optical fibers transmitting light to said wall at said one of said ends.

5. A tubular light extractor comprising a tube formed with at least one cylindrical wall and a cladding on a surface of said wall forming an elongated light extraction zone therealong, said wall receiving light at one end of the tube.