Process for producing hydrated and cured product of lime-gypsum-

Catalyst – solid sorbent – or support therefor: product or process – Solid sorbent – Silicon containing

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502414, 502517, B01J 2008, B01J 2010

Patent

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050377965

ABSTRACT:
A process for producing a hydrated and cured product of a lime-gypsum-coal ash mixture capable of constituting a high-performance desulfurizing agent, with a high yield and in a simplified manner is provided, which process comprises adding water to a mixture of lime, used desulfurizing agent and coal ash, followed by kneading the resulting mixture, then extruding the resulting kneaded material through a hole of 2 to 10 mm in diameter to obtain bullet-like materials, hydrating and curing said bullet-like materials, followed by drying.

REFERENCES:
patent: 4204945 (1980-05-01), Flanders et al.

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