Food or edible material: processes – compositions – and products – Processes – Treatment of liquid with nongaseous material other than...
Patent
1978-07-28
1980-05-13
Hart, Charles N.
Food or edible material: processes, compositions, and products
Processes
Treatment of liquid with nongaseous material other than...
210 75, C12H 100, A23L 230
Patent
active
042029104
ABSTRACT:
A low beverage soluble iron content filter aid, especially diatomite, is disclosed, as is the method for its production, which comprises contacting the granular filter aid with tannic acid, gallic acid, or mixtures thereof, preferable in aqueous solution. Color control agents such as citric acid may also be present in the solution. The treated filter diatomite is useful in the filtration of vegetable based beverages, especially beer, wine, ale and fruit juices. The invention is also applicable to other filter aids which contain beverage soluble iron, such as perlite.
REFERENCES:
patent: 1929642 (1932-10-01), Koemann
patent: 2495751 (1950-01-01), Mills
patent: 2701240 (1955-02-01), Bregae
patent: 2754273 (1956-07-01), Shabaker
patent: 3117004 (1964-01-01), McFarlane
patent: 3406124 (1968-10-01), Eastwood
patent: 3472739 (1969-10-01), Ross
patent: 3557023 (1971-01-01), Raible
patent: 3901826 (1975-08-01), Hofstadt
patent: 3940498 (1976-02-01), Butterworth
Bradley Timothy G.
McAdam Raymond L.
Hart Charles N.
Johns-Manville Corporation
Kelly J. J.
Krone R. M.
McClain J. W.
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