Method for pressure transport of methanol through a pipeline

Details Method for pressure transport of methanol through a pipeline Method for pressure transport of methanol through a pipeline

1982-08-19

1984-05-08

Cohan, Alan

Fluid handling

Processes

422 7, 422 12, C23F 1500

Patent

active

044468814

ABSTRACT:
A method for the long-distance transport of a liquid of methanol or a solution of methanol and at least one organic compound other than methanol, under pressure, through a pipeline installation in which the portions of the pipeline installation that contact said liquid consist essentially of carbon steel and/or low alloy steel, the sum of whose metallic components other than Fe is up to 5 wt. %, in which the water content of said liquid is limited to (a) the range of 0 to 35 wt. % if the content of the formate radical in said liquid is up to 0.05 wt. %, (b) the range of 0.25 to 35 wt. % if the content of the formate radical in said liquid is in the range of 0.05 to 2 wt. % and (c) the range of 0 to 35 wt. % if the content of the formate radical in said liquid is in the range of 2 to 3 wt. %, so that said liquid is transported under pressure while the volume ratio of the formate radical to the water content is kept at a ratio that does not permit the presence of more than 3 wt. % of the formate radical in the liquid.

REFERENCES:
patent: 4018703 (1977-03-01), Turner
patent: 4344861 (1982-08-01), Levy

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