MULTISTAGE AERATION SYSTEM
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United States of America Patent
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app pub date -
Nov 24, 2015
filing date -
Nov 24, 2015
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Abstract
The multistage aeration system includes a water jet tank system having a closed water tank that holds a pool of water and seals in air above the pool of water. A nozzle in the top portion includes air bleeder passages to allow an ambient air to flow through the nozzle and into the closed water tank. A water flow meter and a water pump circulate water from the closed water tank to outside the tank through the water flow meter and then through the nozzle. The nozzle entrains air through the bleeder passages into the water as the water passes through the nozzle, and forms a jet spray into the pool of water. An air flow meter valve and a closed water tank air outlet pipe extend from the closed water tank and connect the water jet tank system to a diffused aeration tank system with a series tank system.
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