Liquid purification or separation – Processes – Separating
Patent
1981-07-10
1984-06-26
Hruskoci, Peter A.
Liquid purification or separation
Processes
Separating
2102423, 210923, E02B 1504
Patent
active
044565364
ABSTRACT:
Bitumen, floating on tailings pond water in the form of a cohesive blanket, is recovered from the surface by an apparatus that takes advantage of the cohesiveness of the bitumen. A drum with radially attached prongs is partly submerged in the water and is rotated around its longitudinal axis so that the prongs penetrate into the bitumen blanket and grip and pull it towards the drum. Upon being drawn by the prongs beneath the surface of the water, hydrostatic pressure causes the bitumen to adhere to the curved surface of the drum. During the upswing of the drum, the prongs and the adhesiveness of the metal surface of the drum hold the bitumen on the drum. A comb scraper then removes the greater portion of the bitumen, which falls into a receptacle.
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patent: 3608728 (1971-09-01), Trimble
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patent: 3623609 (1971-11-01), Ainlay
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Hackh's Chemical Dictionary, 4th Edition Julius Grant, McGraw Hill, New Y 1969, p. 101.
Gehring Ken
Lorenz Gordon
Alberta Energy Company Ltd.
Canada-Cities Service, Ltd.
Cohen Sharon T.
Esso Resources Canada Ltd.
Gulf Canada Resources Inc.
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