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A quick web search found papers that indicate that for N2O reduction conventional SND systems are preferred over short-cut nitrogen removal. Is this just a case of the systems that they analysed,...
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The EU urban Wastewater Treatment directive has a limit for COD of 125 mg/l, and for BOD 25 mg/l. The BOD value, from memory, is related to the UK Royal Commission standards from 1904, which also...
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The standard texts are good at quoting that a trickling filter needs a minimum wetting rate to ensure even flow - typically around 0.5 m3/m2-h. What is required if the average wetting rate,...
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What low-cost methods are available to remove TDS and related conductivity and alkalinity in wastewater?
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