Method for making and slurrying wax beads

Details Method for making and slurrying wax beads Method for making and slurrying wax beads

1974-08-21

1977-03-22

Levine, Herbert

Mineral oils: processes and products

Chemical conversion of hydrocarbons

With preliminary treatment of feed

137 13, 208 24, 208 37, 208370, 302 66, F17D 116

Patent

active

040135446

ABSTRACT:
Hydrocarbon mixtures (e.g. "waxy" crude oils) are transported as a slurry by first fractionating the mixture into at least a relatively low pour point fraction and a relatively high pour point fraction. Thereafter, the high pour point fraction is congealed by dispersing it as particles into the bottom of a tower having a continuous stream of water flowing countercurrent to the dispersed fraction and wherein the water in at least the upper portion of the tower is at a temperature sufficient to congeal the dispersed particles. The particles pass upwardly through the tower and through an interface within the tower, the interface being the juncture of water and the low pour point fraction being introduced into the top portion of the tower. A portion of the resulting slurry is withdrawn and transported in a conduit at temperatures below those which bring about solution of the congealed particles in the low pour point fraction. Concentration of the congealed particles in the slurry is preferably about 10% to about 50% by weight. Also, the average diameter of the congealed particles is preferably about 0.1 to about 10 mm (millimeters).

REFERENCES:
patent: 2726990 (1955-12-01), Baker
patent: 3234122 (1966-02-01), Allibone et al.
patent: 3294672 (1966-12-01), Torobin
patent: 3425429 (1969-02-01), Kane
patent: 3468986 (1969-09-01), Watanabe
patent: 3846279 (1974-11-01), Merrill

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