What is Water Pollution? Water pollution is defined as alteration in Physical, Chemical and biological characteristics of water which may cause harmful effects on humans and aquatic biota. Properties Of Water • It is an excellent solvent which assists in transportation of nutrients and waste products, making biological processes possible in an aqueous medium. • […]
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What is Dissolved Oxygen? The amount of free, non-compound oxygen ( as O2) dissolved in a body of water such as a ocean, sea, lake, river, or stream etc. Non-compound oxygen, or free oxygen (O2), is oxygen that is not bonded to any other element. Dissolved oxygen is the presence of these free O2 molecules
Wastewater is characterized by their physical, chemical and biological characteristics. Physical Characteristics: Color, Odor, Dissolved oxygen (D.O), Insoluble substances (suspended solids, settleable solids), Corrosive properties, Radioactivity, Temperature, Foamability etc. Chemical characteristics: Chemical oxygen demand (C.O.D), pH, Acidity or Alkalinity, Hardness, Total carbon, Total dissolved solids, chlorine demand, trace elements & ions, Surfactants, phenols, hydrocarbons, oils
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