Method for flushing pigments in the form of water-containing cak

Details Method for flushing pigments in the form of water-containing cak Method for flushing pigments in the form of water-containing cak

1975-07-23

1978-05-09

Lutter, Frank W.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

210360R, 210523, 210540, 210532R, 233 7, 366139, 366149, 366313, B01D 4300

Patent

active

040885771

ABSTRACT:
A method for flushing pigments in the form of water-containing cakes by replacing the water with an organic vehicle using an apparatus comprising a horizontal mixing cylinder having a coaxial mixing shaft, and inlet opening and a lower outlet opening. The shaft has mixing tools thereon. The pigment cake and vehicle are added to the container and the shaft is driven at a rate such that the formed pigment-vehicle paste forms on and is wound up on the shaft, leaving the water in the lower part of the container for easy removal through the lower opening.

REFERENCES:
patent: 609936 (1898-08-01), Ismay
patent: 1119960 (1914-12-01), Hochstetter
patent: 1590067 (1926-06-01), Acheson
patent: 2219395 (1940-10-01), Moilliet
patent: 2239741 (1941-04-01), Schroder
patent: 2379678 (1945-07-01), Brown et al.
patent: 2644759 (1953-07-01), Schroeder
patent: 2874062 (1959-02-01), Kebrich
patent: 2907670 (1959-10-01), Katz
patent: 3081473 (1963-03-01), Wells
patent: 3162428 (1964-12-01), Lodige et al.
patent: 3528365 (1970-09-01), List
"Flushed Colors and Printing Inks", An Article In The American Ink Maker, May 1961, pp. 79, 80, 118.
Roemp, Chemielexicon, 5th Edition, 1962, Column 1716.

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