Apparatus for the decomposition of sodium aluminate liquor for t

Details Apparatus for the decomposition of sodium aluminate liquor for t Apparatus for the decomposition of sodium aluminate liquor for t

1987-05-12

1989-04-04

Richman, Barry S.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Including internal mixing or stirring means

422234, 266170, 366137, 423122, B01J 808, B01J 810

Patent

active

048184993

ABSTRACT:
A grading decomposer apparatus for continuously decomposing a liquor of sodium aluminate supersaturated in alumina comprises a cylindrical-conical tank for containing the liquor, having an upper cylindrical portion and an overflow generally peripherally disposed in the upper portion. A centrally disposed tubular element passes from above into the upper portion of the tank; the tubular member terminates in the cylindrical portion of the tank below the overflow. The apparatus also includes an off-take from the lower portion of the tank to an outlet; liquor is recycled from the lower portion of the tank to the upper portion within the tubular element and below the overflow, and liquor is introduced into the upper portion of the tank within the tubular element and below the overflow. A static disperser is disposed within the tubular element, the liquor feed and the recycled liquor inlet in order to create a feed and tranquilization zone within the tubular element.

REFERENCES:
patent: 1404709 (1922-01-01), Allbright
patent: 2536603 (1951-01-01), Holmboe
patent: 3271117 (1966-09-01), Leathan et al.
patent: 3607113 (1971-09-01), Featherston
patent: 3649184 (1972-03-01), Featherston
patent: 3893659 (1975-07-01), Krish
patent: 3917457 (1975-11-01), Bergstrom
patent: 4182749 (1980-01-01), Green et al.
patent: 4364919 (1982-12-01), Yamada et al.
patent: 4490335 (1984-12-01), Marev et al.

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