Method of mechanical dishwashing and compositions

Details Method of mechanical dishwashing and compositions Method of mechanical dishwashing and compositions

1974-04-05

1978-01-31

Albrecht, Dennis L.

Cleaning and liquid contact with solids

Processes

Using sequentially applied treating agents

252 89R, 252 99, 252131, 252140, 252179, 423329, A47L 1500, C02B 144, C11D 312, C11D 360

Patent

active

040713776

ABSTRACT:
A method for the mechanical washing of dishes, wherein the soiled dishes are treated with an aqueous alkaline liquor having a pH of from 8 to 13 which contains at least one compound inhibiting alkaline earth metal ion precipitation, rinsing and recovering cleaned dishes comprising using finely-dispersed, water-insoluble silicate compounds having a calcium-binding power of at least 50 mg CaO/gm of anhydrous substance and having the formula, combined water not shown, of

REFERENCES:
patent: 1642880 (1927-09-01), Kriegsheim
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patent: 2739073 (1956-03-01), Bertorelli
patent: 2882243 (1959-04-01), Milton
patent: 3112176 (1963-11-01), Haden
patent: 3154494 (1964-10-01), Speak
patent: 3700599 (1972-10-01), Mizuno
patent: 3755180 (1973-08-01), Austin
W. Appelius: "Water Softening by the Permutite Method," Chem. Abstracts, vol. 4, p. 630.
J. D. Glasgow: "The Use of Permutit and Polarit in Water Purification," Chem. Abstracts, vol. 9, p. 676.

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