产品信息 - Dissolved air floating clarifier->waste water treatment

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Dissolved air floating clarifier

产品分类 :

機械與設備->公害防治設備->廢水處理設備->廢水處理

产品规格

Model No: YMRF-30

产品描述

Dissolved air flotation
DAF is a water treatment process that clarifies wastewaters (or other waters) by the removal of suspended matter such as oil or solids. The removal is achieved by dissolving air in the water or wastewater under pressure and then releasing the air at atmospheric pressure in a flotation tank or basin. The released air forms tiny bubbles which adhere to the suspended matter causing the suspended matter to float to the surface of the water where it may then be removed by a skimming device.

Dissolved air flotation is very widely used in treating the industrial wastewater effluents from oil refineries, petrochemical and chemical plants, natural gas processing plants, paper mills, general water treatment and similar industrial facilities. A very similar process known as induced gas flotation is also used for wastewater treatment. Froth flotation is commonly used in the processing of mineral ores.
In the oil industry, dissolved gas flotation (DGF) units do not use air as the flotation medium due to the explosion risk. Natural gas is used instead to create the bubbles.
The feed water to the DAF float tank is often (but not always) dosed with a coagulant (such as ferric chloride or aluminum sulfate) to flocculate the suspended matter.

Some DAF unit designs utilize parallel plate packing material, lamellas, to provide more separation surface and therefore to enhance the separation efficiency of the unit

Seri
Item
Quantity
Remark

1
Main tank body
1
Length:5.0m width 2.0m height 2.0m

2
Dissolved air system
1
Dissolved air tank,air compressor,dissolved air pump,pipeline,valve,instrument,switch etc.

3
discharge slagging system
1
Scraper plate,motor, reducer,chain,

Gear etc.

4
cleaning water system
1
Carbon steel antiseptic, cleaning water chamber room, pipeline, flange etc.

5
Spoil disposal system
1
Carbon steel antiseptic

6
releaser
1
Carbon steel antiseptic

7
control cabinet
1
CHNT


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