Producing gaseous fuels of high calorific value

Details Producing gaseous fuels of high calorific value Producing gaseous fuels of high calorific value

1976-03-24

1976-11-02

Lindsay, Jr., Robert L.

Gas: heating and illuminating

Processes

Hydrogen

48197R, 55 23, 55 80, 60 3912, 62 11, 62 36, 166267, C10J 100

Patent

active

039894789

ABSTRACT:
Process for upgrading an air-contaminated methane composition such as is found near coal measures comprises condensing this gas, and thereafter fractionating it to yield a first product having a methane content higher than that of the initial composition and a calorific value commensurate with that of natural gas, and a second product having a methane content below that of the initial composition but above the highest limit of the flammability range for methane-air mixtures under the conditions of temperature and pressure prevailing in the process.

REFERENCES:
patent: 2598785 (1952-06-01), Groebe et al.
patent: 3213631 (1965-10-01), Kniel
patent: 3494751 (1970-02-01), Streich
Gas Engineers Handbook, "Liquified Natural Gas and Nonconventional Natural Gas Storage," p. 10127.

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