| 摘要 |
The present invention relates to a method and apparatus for adding a treating agent/treating agents to a liquid. More particularly, it relates to a method and apparatus for mixing gas, usually air, with a liquid, e.g., effluent, and dissolving the gas in the liquid. It is characteristic of the method and apparatus according to the invention to allow free flowing of both gas and liquid into a mixing device, to generate a pressure by the mixing device under which pressure gas is allowed to dissolve in the liquid or be mixed as small bubbles therewith, to separate the surplus gas in the mixing device, and to discharge the liquid and the gas dissolved therein/mixed therewith from the mixing device at a raised pressure.
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