Manufacture of a basic metal hydroxysulfate complex in solid for

Details Manufacture of a basic metal hydroxysulfate complex in solid for Manufacture of a basic metal hydroxysulfate complex in solid for

1987-04-13

1989-03-21

Terapane, John F.

Compositions

Solids with solution or dispersion aids

252175, 423556, 423558, 423DIG12, C01F 704, C01G 4914, C02F 508

Patent

active

048141062

ABSTRACT:
A product containing calcium sulfate hemihydrate and polynucleate basic metal hydroxysulfate complex in solid form provides a positively charged polynucleate complex possessing charge neutralizing properties in systems containing suspended or colloidal negatively charged particles when dissolved in water. Preferred materials contain polyaluminum hydroxysulfate complex and polyferrihydroxysulfate complex, and calcium sulfate hemihydrate. The invention also relates to a method for producing the product by mixing a molten aluminum or iron (III) sulfate and a calcium compound, allowing the mixture to react to form a product, and cooling the product to form a comminutable or grindable solid product.

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