In industrial clusters took part in Ho Chi Minh City, Wage, water supplies contaminated by sewage, industrial waste water with total estimated 500,000 m3/day from the paper mills, dyeing, weaving, washing powder. in the city of Taiyuan, an industrial waste water discharged from the basis of paper manufacturing, iron and steel, metallurgy, coal mining; of the total volume of waste water of shallow season the city of Taiyuan constitute about 15% of the river flow; waste water from paper production has a Ph from 8.4-9 and NH4 concentrations is 4 mg/1, high organic matter content, wastewater odors, Brown ...
đang được dịch, vui lòng đợi..
