how many types of aerators are commonly used in the treatment of water
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two
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The quantity of air consumed per 1000 litres of water varies from 0.3 m3 to 0.6 m3. 12. Mechanical aerators Mechanical aerators are of two general types; surface aerators and turbine aerators. Surface aerators consist of submerged or partially submerged impellers, which are centrally mounted in the aeration tank.
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