Apparatus for improving city water

Details Apparatus for improving city water Apparatus for improving city water

1994-11-08

1996-06-11

Wyse, Thomas G.

Liquid purification or separation

With means to add treating material

With distinct reactor tank, trough or compartment

C02F 502

Patent

active

055252249

ABSTRACT:
The present invention lies in a method of improving a Langelier index and pH of city water wherein undissolved matter (calcium carbonate and slaked lime covered with calcium carbonate) slurry produced in a slaked lime dissolving vessel is mixed and reacted with carbonic acid-containing water in a mixing and reacting vessel to make a calcium hydrogen carbonate aqueous solution so as to continuously add to water in a water-receiving vessel together with a slaked lime aqueous solution, with which a utilization percentage of undissolved matter which has hitherto had a low utilization percentage is increased, and the Langelier index can be improved.

REFERENCES:
patent: 1683521 (1928-09-01), Bourgognion et al.
patent: 4366142 (1982-12-01), Kojima et al.
patent: 4389376 (1983-06-01), Kojima et al.

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