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US 2022/0177337 A1Published application
Testing Method for Wastewater Treatment Facility
AssigneeGohda Water Treatment Technology Co., Inc.
InventorToshihisa Gohda
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AssigneeGohda Water Treatment Technology Co., Inc.
InventorToshihisa Gohda
Estimating the term…
The present invention relates to a testing method for testing a state of an aeration tank in a wastewater treatment facility that uses activated sludge. The testing method comprises obtaining a difference between: a sedimentation amount when a given period of time has elapsed after an activated sludge mixed liquid collected from the aeration tank and water having a higher dissolved oxygen concentration than the activated sludge mixed liquid are poured into the same container and mixed together; and a sedimentation amount when a period of time equal to the given period of time has elapsed after the activated sludge mixed liquid collected from the aeration tank and water having a lower dissolved oxygen concentration than the activated sludge mixed liquid are poured into the same container and mixed together.
A testing method for testing a state of an aeration tank in a wastewater treatment facility, comprising obtaining a difference between:
An apparatus for testing a state of an aeration tank of a wastewater treatment facility, comprising at least one selected from:
Dependencies are inferred from the claim text.