Method of improving the quality of large amount of water, and qu

Details Method of improving the quality of large amount of water, and qu Method of improving the quality of large amount of water, and qu

1991-11-25

1993-10-26

Hruskoci, Peter

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210724, 210747, 210758, 210906, C02F 158

Patent

active

052563090

ABSTRACT:
The present invention relates to a method and an apparatus, in which the quality of a large amount of water and/or the quantity of dissolved oxygen in said water is improved and which are characterized in that water, in which slaked lime is dissolved in advance, and/or water of high oxygen content, which is generated in advance, is supplied into water pumped by an intermittent pneumatic water pumping unit so that the water having the slaked lime dissolved therein and/or the water of high oxygen content is diffused in the large amount of water. The present invention also relates to a method and an apparatus, in which the quality of large amount of water and/or quantity of dissolved oxygen in a large amount of water is improved and which are characterized in that water with slaked lime dissolved therein and/or water of high oxygen content is conducted to the bottom of a lake or the like; and an intermittent pneumatic water pumping unit is operated in the lake or the like so that the large amount of water is caused to flow up and down and be agitated.

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patent: 4780217 (1988-10-01), Petersen
patent: 4879046 (1989-11-01), Kojima
patent: 4911838 (1990-03-01), Tanaka

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