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An aerated lagoon (or aerated pond) is a simple wastewater treatment system consisting of a pond with artificial aeration to promote the biological oxidation of wastewaters. [1] [2] [3] [4]
Coarse bubble aeration is a type of subsurface aeration wherein air is pumped from an on-shore air compressor. [ 6 ] through a hose to a unit placed at the bottom of the water body. The unit expels coarse bubbles (more than 2mm in diameter), [ 7 ] which release oxygen when they come into contact with the water, which also contributes to a ...
Michigan has about 242 streams (rivers and creeks) with a combined length of 36,350 miles (58,500 km) and about 11,000 lakes and ponds. [1] Michigan borders four of the five Great Lakes and is a signatory to the Great Lakes Compact. [2] The Michigan Department of Environmental Quality is responsible for the management of Michigan's water ...
The system may consist of a single pond or several ponds in a series, each pond playing a different role in the removal of pollutants. After treatment, the effluent may be returned to surface water or reused as irrigation water (or reclaimed water ) if the effluent meets the required effluent standards (e.g. sufficiently low levels of pathogens ).
Facultative lagoon (polishing pond) providing tertiary treatment after a constructed wetland in Hamburg-Allermöhe, Germany. Overflow from the facultative lagoon may be routed through one or more polishing ponds supporting lower populations of anaerobic micro-organisms and a higher proportion of aerobic organisms adapted to survival in lower concentrations of organic material.
This page was last edited on 2 November 2011, at 14:39 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
The state Senate passed a resolution to stop the merger. [6] However, Granholm's Executive Order No. 2009-45 combined the two over the objections of the Senate. [3] In early 2010, a new Saginaw Bay District headquarters of the Michigan DNR opened in Bay City; the building was reported to be the most energy-efficient in Michigan. [7]
Fletcher Pond (also called Fletcher Floodwaters) is a man-made body of water located in Northeastern Michigan. The pond covers over 9,000 acres (36 km 2 ) of land that was previously cedar forest. A dam was built in 1931 that blocked the flow of the Thunder Bay River to provide reserve water for the Alpena Power Company hydroelectric power ...
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