Gas separating-crystallizer

Details Gas separating-crystallizer Gas separating-crystallizer

1984-06-11

1986-07-01

Bernstein, Hiram H.

Chemical apparatus and process disinfecting, deodorizing, preser

Physical type apparatus

Crystallizer

55191, 166267, B01D 902

Patent

active

045979502

ABSTRACT:
Apparatus and a method for separating gases and vapors from a geopressure or hydropressured brine without allowing precipitation of scale deposits on the walls of vessels and pipes. The apparatus includes a reactor having an inlet pipe provided with a Venturi throat and an expansion nozzle coupled with the throat to depressurize the brine to cause separation of the gases and vapors from the liquid and solid fractions of the brine. The gases and vapors travel out of the reactor through a central pipe extending downwardly and through the reactor. The brine in the form of a slurry gravitates in the reactor toward a first outlet pipe while clarified brine rises past in internal baffle and leaves the reactor through a second outlet pipe. A third pipe coupled to the reactor near the lower end thereof draws slurry into the Venturi throat by suction to cause mixing of incoming brine and slurry so that the solids in the slurry provide nuclei for crystallization to prevent scale deposit on the walls of adjacent structure. A part of the clarified brine is taken from the second outlet pipe and pumped to the bottom of the reactor to elutriate the finer crystals in the slurry in the reactor.

REFERENCES:
patent: 3529405 (1970-09-01), Ashbrook
patent: 3769779 (1973-11-01), Liljestrand
patent: 3891394 (1975-06-01), Smith et al.
patent: 4093428 (1978-06-01), Swugger
patent: 4273189 (1981-06-01), Carpenter
Matsuda et al, International Symposium on Water Desalination, 10/65, SWD/5.

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