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Brief introduction

Source:

Spraying wastewater mainly comes from degreasing, surface adjustment, phosphating, passivation and other pre-treatment processes; In the wastewater produced by cathodic electrophoresis process, intermediate coating and top coating process, there are resin, surfactant, heavy metal ions, pigments and other pollutants, especially in the electrophoresis and spraying wastewater,which has complex composition, high concentration, strong smell and poor biochemical property.

Characteristic:

High COD, high phosphorus content, high heavy metal content;

For the environment:

High concentration of organic matter, complex pollution components, high toxicity, difficult to degrade, great harm to the environment.

應(yīng)用領(lǐng)域

  • 噴涂工藝

  • 五金加工

  • 表面處理

Technical process

When the spraying waste liquid enters the low-temperature evaporator after flocculation and sedimentation and evaporates under the vacuum and low-temperature conditions, the water vapor condenses to form distilled water in the process of vacuumizing and is collected into the clean water bucket; the remaining kettle residue in the distillation kettle is collected into the ton bucket for further treatment. It can greatly reduce or even remove the harmful chemicals and heavy metals contained in the waste liquid. The evaporation rate of the equipment can reach more than 90%. Through the pretreatment and post-treatment process, the effluent water quality is clear and transparent, and the biochemical property of wastewater quality is realized.

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Business requirements :     Wastewater treatment     Oil filtration

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