Sewage Treatment Dissolved Air Flotation to Remove Oil

• Warranty: 2 Years
• Type: Flotation Machine
• Method: Physical Treatment
• Usage: Industrial, Agriculture
• Item Name: Dissolved Air Flotation
• Application: Industrial/Slaughter/Textile Industry Sewage
• Model NO.: DAF150
• Material: SS304
• Certification: ISO9001, CE, SGS
• Function: Remove Oil and Suspended Solids
• Service: Automobile 24-Hours
• After Service: Video Technical Support, Field Installation
• Size: 4-30m3
• Flow Rate: 1-200m3/H
• Transport Package: Plywood Case
• Specification: Customized
• Trademark: Benenv
• Origin: China
• HS Code: 8421299090
• Production Capacity: 2000 Units/Year

Product Description

Sewage Treatment Dissolved Air Flotation to Remove Oil

Dissolved air flotation is one of the most effective methods whose specific gravity is close to 1.0 from water.Dissolved Air Flotation is liquid/solid or liquid/liquid separation process to remove tiny suspended solids that density close to the water, colloid , oil and grease etc. Benenv dissolved air flotation is an innovation combined with traditional dissolved air flotation concept and modern technology.

Model	Capacity	Power(kw)			Dimension(m)			Pipe connection(DN)
	(m3/h)	Recycle pump	Air compressor	Skimming system	L/L1	W/W1	H/H1	(a) Water inlet	(b) water outlet	(c) sludge outlet
BNDAF-002	~2	0.75	0.55	0.2	3.2/2.5	2.4/1.16	2.2/1.7	40	40	80
BNDAF-003	~3	0.75	0.55	0.2	3.5/2.8	2.4/1.16	2.2/1.7	80	80	100
BNDAF-005	~5	1.1	0.55	0.2	3.8/3.0	2.4/1.16	2.2/1.7	80	80	100
BNDAF-010	~10	1.5	0.55	0.2	4.5/3.8	2.7/1.36	2.4/1.9	100	100	100
BNDAF-015	~15	2.2	0.75	0.2	5.5/4.5	2.9/1.6	2.4/1.9	100	100	100
BNDAF-020	~20	3	0.75	0.2	5.7/4.8	3.2/2.2	2.4/1.9	150	150	150
BNDAF-030	~30	3	0.75	0.2	6.5/5.5	3.2/2.2	2.5/2.0	150	150	150
BNDAF-040	~40	5.5	0.75	0.2	7.7/6.7	3.6/2.6	2.5/2.1	200	200	150
BNDAF-050	~50	5.5	0.75	0.2	8.1/7.1	3.6/2.6	2.5/2.1	200	200	150
BNDAF-060	~60	7.5	1.5	0.2	9.5/8.4	3.8/2.8	2.5/2.1	250	250	150
BNDAF-070	~70	7.5	1.5	0.2	10.0/9.0	3.8/2.8	2.5/2.1	250	250	150
BNDAF-080	~80	11	1.5	0.2	10.5/9.5	4.0/3.0	2.5/2.1	250	250	150
BNDAF-100	~100	15	2.2	0.2	11.7/10.6	4.2/3.2	2.5/2.1	300	300	150
BNDAF-120	~120	15	2.2	0.2	12.5/11.4	4.4/3.4	2.5/2.1	300	300	150

WORKING PORCRESS:

DAF dissolved air flotation consists of flotation tank, dissolved air system, reflux pipe, dissolved air released system, skimmer (Based on customer needs, there are combined type, traveling type and chain-plate type to choose.), electric cabinet and so on.

Air flotation separation technology of Benenv DAF dissolved air flotation dissolves air into water at certain working pressure. In the process, pressurized water is saturated with dissolved air and is discharged into a flotation vessel. The microscopic air bubbles produced by released air attach to suspended solids and float them to the surface, forming a sludge blanket. A scoop removes the thickened sludge. Finally, it complete purifies the water.

Air flotation technology of DAF dissolved air flotation plays an important role in solid-liquid separation (Simultaneously reduce COD, BOD, chroma, etc). Firstly, mix flocculating agent into raw water and stir thoroughly. After the effective retention time (lab determines the time, dosage and flocculation effect), the raw water enters into the contact zone where microscopic air bubbles adhere to the floc and then flows into the separation zone. Under the buoyancy effects, the tiny bubbles float the flocs to the surface, forming a sludge blanket. A skimming device removes the sludge into the sludge hopper. Then the lower clarified water flows into the clean-water reservoir through the collecting pipe. Some of water are recycled to the flotation tank for the air dissolving system, while others will be discharged.
 

Application in Various Industry

The aim of dissolved air flotation is to separate the fine suspended solids in water, algae and micro-floc. And dissolved air flotation can be used in the following industries:

l Separate or recycle waste oil or grease in : oil exploration and refining, biodiesel, machining , food production and catering and so on.

lHigh concentration organic wastewater treatment: paper, printing and dyeing, textile, leather, pharmaceutical, fermentation wastewater and so on.

lBiochemical effluent liquid separation: the anaerobic effluent solid-liquid separation, aerobic (activated sludge process, contact oxidation, filter) biochemical water solid-liquid separation, the secondary settling tank Effluent treatment and so on.

l Farm and slaughter house wastewater treatment: cattle, pigs, chickens farm, slaughter house wastewater.

l Manufacturing waste: electroplating, painting, etc.

lPurification: river, landscape, recycle water and so on.

 

Company Information

Jiangsu Benenv Environmental Protection Technology Co., Ltd. is an environmental protection company, specialized in mechanisms, environmental engineering and other related science. With research center in Japan, we have factory and office in China. Benenv specializes in the design, engineering, supply and installation of domestic and commercial water, waste water and sewage treatment systems, gas pollution control, and other environmental engineering products. Our company possesses complete sets of process design, equipment supply, constructions, and technology innovation. Overall, we are highly qualified in delivering turnkey and BOT projects for any industry. We have abundant experience in the treatment of industrial, domestic and commercial hazard wastewater. Benenv is staffed with local and overseas professionals with more than 15 years of acquired technical expertise and experience, offering various technologies and allied services. Our company works closely with the top 10 universities and scientific institutes to keep our cutting-edge technology and transform science and technology into productivity. Our company also works with the government, and is authorized as the liaison office of Yixing government to perform technology cooperation with foreign countries.


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