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for disinfection of drinking water notes , shallow , waste water , environmental engineering by haseeb jamal - apr , chemical characteristics of sewage - bod, cod, nutrients, do in sanitary sewage about % of suspended solids and % of filterable solids are organic. these solids are derived from both animals
, plant and humans. organic compounds usually consist of c; h; o; n along with s; p and iron. the organic substances found in sewage are protein ( - %); carbohydrates ( - %), fats and oils ( %). along with these organic notes , waste water , environmental engineering by haseeb jamal - apr , physical...
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