Transportation of liquids

Details Transportation of liquids Transportation of liquids

1975-04-04

1977-05-24

Capossela, Ronald C.

Refrigeration

Low pressure cold trap process and apparatus

137 13, 137 14, F17C 702

Patent

active

040247201

ABSTRACT:
Low temperature liquefied gases such as natural gas are usually transported at temperatures of approximately -258.degree. F and at atmospheric pressures. If it is desired to transfer such liquids in pipelines, high cost materials must be used in pipeline construction and high contraction stresses are encountered requiring incorporation of contraction loops and bellows. Considerable savings will occur if the pipeline operates at intermediate temperatures of between -.RTM..degree. and -120.degree. F and at a pressure sufficient to maintain the liquid phase within this temperature range. This permits lower cost materials to be used in the pipeline construction and eliminates the necessity of contraction loops and bellows.

REFERENCES:
patent: 2958205 (1960-11-01), McConkey
patent: 3256705 (1966-06-01), Dimentberg

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