Slurry removal process

Details Slurry removal process Slurry removal process

1978-02-09

1980-12-02

Bernstein, Hiram H.

Chemistry: physical processes

Physical processes

137 13, 137 14, F17D 116

Patent

active

042368960

ABSTRACT:
In a process for the removal and pressure reduction of a high pressure, high temperature slurry from a process vessel, the slurry is mixed with a make-up liquid in a temperature treatment vessel to form a diluted slurry, which is passed through a cooling apparatus, and a recycle portion of the diluted slurry is recycled to the temperature treatment vessel. Another portion of the cooled diluted slurry solution is flashed to a preselected reduced pressure through a pressure reducing valve, and this portion is passed to a stripping vessel for concentrating and producing a slurry product. In operation, plural slurry gravity settling vessels may be connected to a single heat treatment vessel, thereby effectuating slurry pressure reduction across a single pressure reducing valve.

REFERENCES:
patent: 1970871 (1934-08-01), Tate et al.
patent: 3389714 (1968-06-01), Hughes et al.
patent: 3646950 (1972-03-01), Takehisa
patent: 4098583 (1978-07-01), Tippmer
patent: 4126542 (1978-11-01), Carlsmith

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