Wastewater from industry caused by the use of water to wash and clean, the cooling system, and painting wastewater from toxic chemical preservatives and pepper. Some factories let wastewater contains organic matter,Inorganic high volume, i.e., 1. The slaughterhouse in sugar factory, factory production of alcohol. To release the water containing organic compounds in high doses, such as waste water with molasses and meal. 2.Industrial chemicals, dyeing factory, factory metal cymbals will release the water with compounds that are toxic, and heavy metals into the canal 3.The factory to produce hydroxide shipyard to release water with mercury, which cause disease Minamata extremely harmful to human and various life living area, Audioslave
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