✔ 最佳答案
3. industrial waste: In the industrial waste pollutant possibly comes from raw material, the vice-material end product, the between product, the sideline product either other uses material of or the energy the industry manufacture, therefore may cause the water pollution the origin the massive water used like cooling water, the manufacture water used which needs including the production process in (ultra pure water), the boiler water used, the product water used, and the clean water used and so on produces in the waste water and the factory the common sewage.The industrial waste one of for present Taiwan area main water pollution origins, each industry discharges the waste water the intensity and the pollutant type, has the difference along with the industry category manufacture method and the water used custom, has created the varying degree to the domestic water body the pollution.
4. agricultural pollution: In recent years the Taiwan agriculture universal use chemical fertilizer, these advanced of chemical fertilizer like nitrogenous fertilizer, the phosphate fertilizer the soil and so on, if completely has not drained for the plant absorption to draining water in, caused the river nutrient too polymorphism to become teaches and influences superiorly, pollutes the river.The agricultural commonly used pesticide and the weed killer also assume one of sources of pollution, the agricultural chemicals direct use either by way of has used the local surface water percolation or the flowing, but causes the ground or the underground water source receives the agricultural chemicals the pollution.The partial agricultural chemicals have the toxicity to the fish or other aquatic living thing.