Human activities generate an incredible volume of sewage and wastewater that need treatment before discharge into waterways. Often this wastewater contains excessive amounts of nitrogen, phosphorus, and metal compounds, also as organic pollutants that might overwhelm waterways with an unreasonable burden. Wastewater also contains chemical wastes that aren’t biodegradable, also as pathogenic microorganisms which willContinue reading “Sewage and Wastewater Treatment”