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Extended aeration systems are typically manufactured to treat wastewater flow rates between 0.002 to 0 . grinding machines.1 MGD. Use of concrete tanks may be preferable for larger sizes (Sloan, 1999) . carbon black. Extended aeration plants are usually started up using seed sludge from another sewage plant . dolomite tower mill where to buy more favorable. It may take as many as two to four weeks from the
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