Photochemical method for generating superoxide radicals (O.sub.2.sup.-) in aqueous solutions

Holroyd, Richard A; Bielski, Benon H. J.

Title: Photochemical method for generating superoxide radicals (O.sub.2.sup.-) in aqueous solutions

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Abstract

A photochemical method and apparatus for generating superoxide radicals (ub.2.sup.-) in an aqueous solution by means of a vacuum-ultraviolet lamp of simple design. The lamp is a microwave powered rare gas device that emits far-ultraviolet light. The lamp includes an inner loop of high purity quartz tubing through which flows an oxygen-saturated sodium formate solution. The inner loop is designed so that the solution is subjected to an intense flux of far-ultraviolet light. This causes the solution to photodecompose and form the product radical (O.sub.2.sup.-).

Inventors:

Holroyd, Richard A ^[1]; Bielski, Benon H. J. ^[2]

Stony Brook, NY
Wading River, NY

Issue Date:: 1980-01-01

Research Org.:: Brookhaven National Laboratory (BNL), Upton, NY (United States)

OSTI Identifier:: 863563

Patent Number(s):: 4199419

Assignee:: United State of America as represented by Department of Energy (Washington, DC)

Patent Classifications (CPCs):: B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01J - CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY

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B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01J - CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY
B01J19/123 - {Ultra-violet light}

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DOE Contract Number:: EY-76-C-02-0016

Resource Type:: Patent

Country of Publication:: United States

Language:: English

Subject:: photochemical; method; generating; superoxide; radicals; aqueous; solutions; apparatus; solution; means; vacuum-ultraviolet; lamp; simple; design; microwave; powered; rare; gas; device; emits; far-ultraviolet; light; inner; loop; purity; quartz; tubing; flows; oxygen-saturated; sodium; formate; designed; subjected; intense; flux; causes; photodecompose; form; product; radical; simple design; rare gas; microwave powered; ultraviolet light; aqueous solution; aqueous solutions; microwave power; superoxide radicals; sodium form; intense flux; generating superoxide; chemical method; violet light; photochemical method; /204/422/

Citation Formats


                    Holroyd, Richard A, and Bielski, Benon H. J.. Photochemical method for generating superoxide radicals (O.sub.2.sup.-) in aqueous solutions.  United States: N. p., 1980. 
        Web.

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                    Holroyd, Richard A, & Bielski, Benon H. J.. Photochemical method for generating superoxide radicals (O.sub.2.sup.-) in aqueous solutions.  United States.

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                    Holroyd, Richard A, and Bielski, Benon H. J.. Tue .  
        "Photochemical method for generating superoxide radicals (O.sub.2.sup.-) in aqueous solutions".  United States.  https://www.osti.gov/servlets/purl/863563.

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@article{osti_863563,

  title        = {Photochemical method for generating superoxide radicals (O.sub.2.sup.-) in aqueous solutions},

  author       = {Holroyd, Richard A and Bielski, Benon H. J.},

  abstractNote = {A photochemical method and apparatus for generating superoxide radicals (ub.2.sup.-) in an aqueous solution by means of a vacuum-ultraviolet lamp of simple design. The lamp is a microwave powered rare gas device that emits far-ultraviolet light. The lamp includes an inner loop of high purity quartz tubing through which flows an oxygen-saturated sodium formate solution. The inner loop is designed so that the solution is subjected to an intense flux of far-ultraviolet light. This causes the solution to photodecompose and form the product radical (O.sub.2.sup.-).},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {1980},

  month        = {1}

}

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