The difference between RO reverse osmosis membrane and ultrafiltration membrane

The difference between RO reverse osmosis membrane and ultrafiltration membrane   First, the reverse osmosis membrane (RO membrane): RO is the abbreviation of Reverse Osmosis membrane in English. Chinese means (reverse osmosis). Generally, the flow of water is from low concentration to high concentration. Once water is pressurized, it will flow from high concentration to […]

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Wastewater treatment (6)

Common pharmacy With reasonable water treatment process and deep treatment with water, the treated water can reach GB5084-1992, CECS61-94 water recycling water standard, etc., can be recycled for a long time, saving a lot of water resources. The following are commonly used pharmaceuticals for wastewater treatment: (1) Flocculant: Sometimes called coagulant, it can be used […]

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Wastewater treatment (5)

Approach 3.Biological treatment Through the metabolism of microorganisms, the wastewater, which is a solution, a colloid and a micro-suspended organic pollutant, is converted into a stable and harmless substance wastewater treatment method. According to the different microorganisms, the biological treatment method can be divided into two types: aerobic biological treatment and anaerobic biological treatment. Aerobic […]

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Wastewater treatment (4)

Approach 1.Physical processing The method of separating and recovering undissolved suspended state pollutants (including oil film and oil beads) in the wastewater by physical action can be classified into a gravity separation method, a centrifugal separation method, and a sieve filtration retention method. The processing unit belonging to the gravity separation method has sedimentation, floating […]

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Wastewater treatment (3)

Wastewater type Industrial wastewater B.heavy metal wastewater Heavy metal wastewater mainly comes from wastewater discharged from mines, smelting, electrolysis, electroplating, pesticides, medicine, paints, pigments and other enterprises. If the heavy metal wastewater is not treated, it will seriously pollute the environment. The types, contents and forms of heavy metals in wastewater treatment vary with different […]

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Wastewater treatment (2)

Wastewater type Industrial wastewater Many types of pollutants are produced in industrial production, and the types and concentrations of pollutants produced by different industries are significantly different. A . electroplating wastewater The main source of zinc in electroplating and metalworking wastewater is electroplated or pickled tow. The contaminants are transferred to the rinse water by […]

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