Cryogenic gel having a methane component and process for making

Details Cryogenic gel having a methane component and process for making Cryogenic gel having a methane component and process for making

1980-02-11

1981-12-15

Capossela, Ronald C.

Refrigeration

Storage of solidified or liquified gas

With vapor discharged from storage receptacle

23295G, 44 7D, 44 52, 48196FM, 206568, 252 70, F25C 300

Patent

active

043052568

ABSTRACT:
Disclosed is a cryogenic gel, and a process for making such a gel from a liquid cryogen having at least a methane component, which normally comprises a majority of the cryogenic liquid, by flash vaporizing the cryogen so that a relatively small portion of the weight of the cryogen becomes vaporized while a remainder forms a mist of small cryogen droplets suspended in the vapor. After flash vaporization, a gelling agent is injected into the cryogen vapor-mist mixture. The gelling agent is present so that it forms between about 0.1% to about 25% (by weight) of the resulting gel and is selected so that it is a solid at the temperature of the liquid cryogen and a liquid or a gas at ambient temperature. Water and methyl alcohol are preferred gelling agents. After the injection of the gelling agent the mixture is segregated into a gaseous phase and a condensed phase or gel comprising the liquid cryogen droplets and the injected gelling agent.

REFERENCES:
patent: 4011730 (1977-05-01), Rosenberg et al.

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