Method of producing aqueous solution of slaked lime and apparatu

Details Method of producing aqueous solution of slaked lime and apparatu Method of producing aqueous solution of slaked lime and apparatu

1994-10-20

1996-04-30

Warden, Robert J.

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

422224, 422225, 422228, 422232, 422261, 210540, C01F 1102, B01F 718

Patent

active

055122655

ABSTRACT:
A method of producing an aqueous solution of slaked lime is disclosed the steps of: introducing water into a slaked lime-dissolving apparatus comprising a dissolving tank, a water supply piping connected to a lower part of the tank, a stirring blade disposed within the tank in its bottom part, an effluent piping connected to an upper part of the tank for discharging aqueous slaked lime solution, and a fluidized slaked lime layer height-control device disposed within the tank above the stirring blade, subsequently introducing a predetermined amount of slaked lime into the tank, feeding water, with low-speed stirring, to the tank from the water supply piping in such a rate that the water in the cylindrical or rectangular upper part of the tank ascends at a rate of from 0.25 to 1.2 mm/sec, and taking out an aqueous solution of slaked lime from the tank through the effluent piping.

REFERENCES:
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patent: 4427643 (1984-01-01), Fowler
patent: 4664802 (1987-05-01), Lee
patent: 4861558 (1989-08-01), Lehto

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