what are the impurities in wastewater called
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1. The two organic impurities present in sewage water are human faeces and animal wastes like animal dung. The two inorganic impurities present in sewage water are nitrates and phosphorus
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The two organic impurities present in sewage water are human faeces and animal wastes like animal dungThe two inorganic impurities present in sewage water are nitrates and phosphorus....
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