Method for collecting a highly viscous, tough and tacky material

Details Method for collecting a highly viscous, tough and tacky material Method for collecting a highly viscous, tough and tacky material

1986-11-26

1988-07-05

Cintins, Ivars

Liquid purification or separation

Processes

Separating

134 19, 134 21, 134 251, 134 40, 210774, 210925, C02F 140, B08B 700

Patent

active

047553065

ABSTRACT:
A method for collecting from a surface area crude oil or a similar highly viscous, tough and tacky material which covers the surface area as a layer, is characterized by consecutively separating volumes of the layer by means of a curtain of a fluid which under pressure is driven into the layer and has been heated to a temperature capable of lowering the high viscosity of the material in the volume, and applying suction to the material in the volume thus made low-viscous, for removing this volume of material from the area.
A suction nozzle for carrying out this method has a suction channel which is connectible to a suction conduit, a pressure fluid chamber which has pressure fluid inlets and a first pressure fluid outlet surrounding the intake end of the suction channel.

REFERENCES:
patent: 3964925 (1976-06-01), Burgoon
patent: 4424081 (1984-01-01), Giguere
patent: 4492001 (1985-01-01), Hedrenius

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