Low temperature, low pressure hydrogen gettering

Anderson, D R; Courtney, R L; Harrah, L A

Title: Low temperature, low pressure hydrogen gettering

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Abstract

A system is described for the gettering of hydrogen and its isotopes. The gettering materials are painted or coated onto, or otherwise disposed in an area or volume from which hydrogen is to be removed. (auth)

Inventors:: Anderson, D R; Courtney, R L; Harrah, L A

Issue Date:: 1975-07-22

OSTI Identifier:: 4143167

Patent Number(s):: 3896042

Assignee:: to U.S. Energy Research and Development Administration

Patent Classifications (CPCs):: H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01J - ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS

C - CHEMISTRY C01 - INORGANIC CHEMISTRY C01B - NON-METALLIC ELEMENTS

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H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01J - ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
H01J7/183 - {Composition or manufacture of getters}

C - CHEMISTRY C01 - INORGANIC CHEMISTRY C01B - NON-METALLIC ELEMENTS
C01B3/00 - Hydrogen

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
Y02E60/32 - Hydrogen storage

B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01J - CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY
B01J33/00 - Protection of catalysts, e.g. by coating

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NSA Number:: NSA-33-008867

Resource Type:: Patent

Resource Relation:: Patent File Date: 1974 Feb 15; Other Information: H01J7/18; C01B1/32. Orig. Receipt Date: 30-JUN-76

Country of Publication:: United States

Language:: English

Subject:: N40140* -Chemistry-Separation Procedures; N50310 - Metals, Ceramics, & Other Materials-Plastics & Other Materials-Corrosion & Erosion; 400105* -Chemistry-Analytical & Separations Chemistry- Separation Procedures; *HYDROGEN ISOTOPES- GETTERING; CATALYSTS; MEDIUM PRESSURE; MEDIUM TEMPERATURE; ORGANIC COMPOUNDS; REMOVAL

Citation Formats


                    Anderson, D R, Courtney, R L, and Harrah, L A. Low temperature, low pressure hydrogen gettering.  United States: N. p., 1975. 
        Web.

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                    Anderson, D R, Courtney, R L, & Harrah, L A. Low temperature, low pressure hydrogen gettering.  United States.

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                    Anderson, D R, Courtney, R L, and Harrah, L A. Tue .  
        "Low temperature, low pressure hydrogen gettering".  United States.

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@article{osti_4143167,

  title        = {Low temperature, low pressure hydrogen gettering},

  author       = {Anderson, D R and Courtney, R L and Harrah, L A},

  abstractNote = {A system is described for the gettering of hydrogen and its isotopes. The gettering materials are painted or coated onto, or otherwise disposed in an area or volume from which hydrogen is to be removed. (auth)},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {1975},

  month        = {7}

}

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Low temperature, low pressure hydrogen gettering

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The invention relates to the gettering of hydrogen and its isotopes, the gettering materials being painted or coated onto, or otherwise disposed in an area or volume from which hydrogen is to be removed.
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Results for pumping neutral hydrogen gas in 1-sec pulses by the gettering action of an evaporated coating of molybdenum are presented. One-sec gas in-puts are observed at equivalent purnping speeds > 10/sup 4/ liters/sec at 1 x lO/sup -8/ mm Hg in a 70-liter volume system. Base pressures < 1 x 10/sup - 10/ mm Hg are achieved by gettering with the static evaporated coating and pumping with a 4-in. oil diffusion pump simultaneously. Criteria for choice of gettering metal and a brief outline of pumpin- g requirements for controlled fusion devices called pyrotrons are included. (auth)

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