Compositions – Water-softening or purifying or scale-inhibiting agents
Patent
1975-10-29
1977-07-12
Weinblatt, Mayer
Compositions
Water-softening or purifying or scale-inhibiting agents
210 23R, 210 52, 252181, C02B 502, C02B 120
Patent
active
040352595
ABSTRACT:
The invention relates to an inorganic flocculating composition consisting of water soluble salts of Al, Fe, Mg and Ca and obtained by attacking clays containing the above chemical elements, the attack being carried out with an acid capable of forming water soluble salts of the said chemical elements. The said composition is capable of destroying the stability of colloidal slurries and can be employed without involving strict conditions, such as pH, temperature and so on.
REFERENCES:
patent: 2284827 (1942-06-01), Lindsay et al.
patent: 2362022 (1944-11-01), Olin
patent: 3342742 (1967-09-01), Cocks
patent: 3388060 (1968-06-01), Clark
patent: 3446742 (1969-05-01), Bacon
Caffaro, S.p.A., Societa per l'Industria Chimica ed Elettrochimi
Weinblatt Mayer
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