Chemical treatment for improved pipe line flushing

Details Chemical treatment for improved pipe line flushing Chemical treatment for improved pipe line flushing

1984-05-31

1986-10-28

Hruskoci, Peter

Cleaning and liquid contact with solids

Processes

Hollow work, internal surface treatment

134 40, B08B 900

Patent

active

046197095

ABSTRACT:
The present invention comprises a method for removing residual hydrocarbon fluids from pipe systems by contacting the hydrocarbon with a solution containing a hydrocarbon-stripping agent which is capable of decreasing the wetting characteristics of the residual hydrocarbon on the internal surfaces of the pipe system whereby the film retracts from the surface and forms droplets which are thereafter removed with the water solution. Specific hydrocarbon-stripping agents are disclosed.

REFERENCES:
patent: 2023496 (1935-12-01), Todd
patent: 2748084 (1956-05-01), Lew et al.
patent: 2937112 (1960-05-01), Boyer
patent: 3436263 (1969-04-01), Strenkert et al.
patent: 3535160 (1970-10-01), Arger
patent: 3536529 (1970-10-01), Fiocco
patent: 3793218 (1974-02-01), Canevari
patent: 4033784 (1977-07-01), Lawson et al.
patent: 4233174 (1980-11-01), Sheridan
patent: 4256610 (1981-03-01), Hwang

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