Continuous process for producing slush hydrogen

Details Continuous process for producing slush hydrogen Continuous process for producing slush hydrogen

1991-07-22

1994-01-25

Capossela, Ronald C.

Refrigeration

Processes

Fractionally solidifying a constituent and separating the same

62 68, F17C 500

Patent

active

052807100

ABSTRACT:
This invention relates to a continuous process for the preparation of slush hydrogen. The process comprises substantially continuously injecting liquid hydrogen at a temperature slightly above its triple point temperature into a slush hydrogen generator; forming solid hydrogen by removing hydrogen vapor from the slush hydrogen generator; fracturing and dispersing surface solid as it is formed into the slush; concentrating the crystalline solid particles in the slush to a level of at least 30%, and preferably from 45 to 60%, by weight; and substantially continuously removing the slush hydrogen from said slush hydrogen generator at a rate such that a substantially constant level of slush is maintained in said slush hydrogen generator.

REFERENCES:
patent: 3455117 (1969-07-01), Prelowski
patent: 3521457 (1970-07-01), Hemstreet
patent: 3521458 (1970-07-01), Huibers et al.
patent: 4009013 (1977-02-01), Schrawer et al.
R. Schrawer "Production and Transport of Hydrogen Slush" Research Report T 75-22 (1974).

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