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Sewage treatment equipment

Printing and Dyeing Wastewater Treatment

Printing and Dyeing Wastewater Treatment

The main pollutants in dyeing wastewater are dyes and additives. Due to the use of different dyes, additives, and dyeing methods for different fiber raw materials and products, as well as the different dye uptake rates and dye concentration, the water quality of dyeing wastewater varies greatly. The color of dyeing wastewater is generally dark, with poor biodegradability, low suspended solids, high COD and BOD values, and sometimes pH above 10 (when using sulfurized or reduced dyes)

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1168924480363917312

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Wool Wastewater Treatment Equipment

Wool Wastewater Treatment Equipment

Wool wastewater is a high concentration organic wastewater discharged from the wool product washing process, which contains sediment, wool fat, sheep manure, as well as a small amount of detergent and wool fibers.

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1182703866971414528

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Rural Domestic Sewage Treatment Equipment for New Countryside Construction

Rural Domestic Sewage Treatment Equipment for New Countryside Construction

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1438165413245169664

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Dissolved air flotation machine

Dissolved air flotation machine

The dissolved air flotation (DAF) machine is mainly used for solid-liquid or liquid-liquid separation. Through the dissolved air and release system, a large number of fine air bubbles are generated in water. These bubbles adhere to solid or liquid particles in wastewater that have a density close to that of water, resulting in an overall density lower than water. Relying on buoyancy, the particles rise to the water surface, thereby achieving the purpose of solid-liquid or liquid-liquid separation.

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1438558075127279616

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Inclined tube sedimentation tank

Inclined tube sedimentation tank

The inclined tube sedimentation water purifier can be used as supporting equipment for water purification processes such as air flotation and biochemical methods, and can also be used for single-stage treatment of various types of sewage. For example: For mixed water containing multiple metal ions (such as chromium, copper, iron, etc.) in electroplating wastewater, the removal rate reaches more than 90%. Generally, electroplating wastewater can meet the discharge standards after treatment. For coal mine mining wastewater, the turbidity can be reduced from 500~1500 mg/L to 5 mg/L. For printing and dyeing wastewater, the chroma removal rate is 70~90%, and the CODcr removal rate is 50~70%. For wastewater from industries such as leather and food processing, a large amount of organic matter is removed, with a CODcr removal rate of 50~80%. For chemical wastewater, the CODcr removal rate is 60~70%, the chroma removal rate is 60~90%, and the suspended solids meet the discharge standards.

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1438559186005471232

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Vortex air flotation machine

Vortex air flotation machine

The Induced Air Flotation (IAF) system treats various types of sewage with different water qualities based on the principle of combining mechanical aeration and chemical flocculation, making it an ideal physical-chemical equipment for sewage treatment. In the treatment of sewage with low pollutant content, the treated clean water can be recycled or discharged up to standards; when combined with biochemical treatment technology, it can fully achieve up-to-standard treatment of sewage. This system is mainly applied to the purification treatment of industrial sewage in industries such as papermaking, chemical engineering, printing and dyeing, food processing, brewing, pharmaceuticals, and slaughtering.

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1438562571752787968

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