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Filter element for Sewage irrigation

JOHNSON SCREEN

Bluslot customized wedge wire filter screen specially used in Sewage irrigation.

Sewage irrigation refers to the irrigation with treated sewage that meets the requirements of irrigation water quality standards as the water source. Urban sewage is not only an important water source for suburban rice fields, but also an important fertilizer source. According to the measurement, sewage contains many nutrients such as nitrogen, phosphorus, potassium, zinc and magnesium, and is rich in organic matter suspended solids. Therefore, sewage irrigated rice fields can save fertilizer, reduce costs, and continuously improve soil fertility. Sewage mainly comes from domestic sewage and industrial sewage. Domestic sewage has good water quality and high fertilizer content, which is beneficial to rice. Industrial sewage contains some heavy metal salts that are not conducive to the growth of rice, such as lead, chromium, arsenic, mercury, chlorine, sulfur, phenol, cyanide and other harmful components. Therefore, the use of sewage irrigation should pay attention to the use methods, take advantage and avoid harm, so as to play a greater role.