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Kazakhstan, Kyrgyzstan, Tajikistan, Turkmenistan, Uzbekistan, Austria, Germany, Hungary, Liechtenstein, Poland, Slovakia, Switzerland, The Czech Republic, Chad, Central African Republic, Cameroon, Equatorial Guinea, Gabon, The Republic of Congo , The Democratic Republic of the Congo, The Democratic Republic of Sao Tome and Principe, Belize, Costa Rica, Guatemala, Honduras, Nicaragua, Panama, Salvador, China, Hong Kong-China, Japan, Mongolia, Macao-China, North Korea, South Korea, Taiwan-China, Belarus, Estonia, Kosovo, Latvia, Lithuania, Moldova, Russia, Ukraine, Burundi, Djibouti, Ethiopia, Eritrea, Kenya, Mayotte, Mauritius, Rwanda, Reunion, Somalia, Seychelles, South Sudan, Tanzania, Uganda, Aland Islands, Bonaire,SaintEustatiusAndSaba, Denmark, Finland, Faroe Islands, Iceland, Norway, Sweden, Algeria, Egypt, Libya, Morocco, Sudan, Tunisia, Antigua and Barbuda, Anguilla, Aruba, Bahamas, Barbados, Bermuda, Canada, Cuba, Commonwealth of Dominica, Cayman Islands, Dominican, Grenada, Greenland, Guadeloupe, Haiti, Jamaica, Jersey, Mexico, Martinique, Montserrat, Puerto Rico, Saint Kitts and Nevis, Saint Lucia, Saint Vincent and the Grenadines, Saint Pierre And Miquelon, Sint Maarten, Trinidad and Tobago, United States, United States Minor Outlying Islands, U.S.Virgin Islands, Australia, American Samoa, Cocos Islands, Fiji, French Polynesia, Guam, Kiribati, Micronesia, Marshall Islands, New Zealand, Nauru, Niue, Northern Mariana Islands, New Caledonia, Papua New Guinea, Palau, Solomon Islands, Samoa, Tuvalu, Tonga, The Cook Islands, Tokelau, Vanuatu, Wallis And Futuna, Brunei, Cambodia, East Timor, Indonesia, Laos, Myanmar, Malaysia, Philippines, Singapore, Thailand, Vietnam, Bhutan, Bangladesh, India, Maldives, Nepal, Pakistan, Sri Lanka, Andorra, Albania, Bulgaria, Bosnia and Herzegovina, Croatia, French Southern Territories, Greece, Italy, Malta, Macedonia, Montenegro, Portugal, Romania, Spain, San Marino, Slovenia, Serbia, Vatican, Angola, Botswana, Comoros, Lesotho, Malawi, Mozambique, Madagascar, Namibia, South Africa, Swaziland, Saint Helena, Zambia, Zimbabwe, Argentina, Brazil, Colombia, Chile, Curacao, Ecuador, Falkland Islands, French Guiana, Guyana, Llívia, Peru, Paraguay, Suriname, Uruguay, Venezuela, Azerbaijan, Armenia, Afghanistan, Bahrain, Cyprus, Georgia, Iran, Iraq, Israel, Jordan, Kuwait, Lebanon, Oman, Qatar, Syria, State of Palestine, Saudi Arabia, Turkey, United Arab Emirates, Yemen, Belgium, France, Guernsey, Ireland, Isle Of Man, Luxembourg, Monaco, Netherlands, United Kingdom, Burkina Faso, Benin, Cape Verde, Côte d'Ivoire, Gambia, Guinea, Guinea-Bissau, Ghana, Liberia, Mauritania, Mali, Niger, Nigeria, Senegal, Sierra Leone, Togo, Western SaharaWater Treatment Machinery DAF Dissolved Air Flotation DAF Air Flotation
What are DAF Systems?DAF systems are equipment for the separation of solid particles, fats, and oils, designed to clarify
wastewater (industrial and urban) or condition surface or marine water for its subsequent treatment and reuse. This equipment separates solids, fats, and oils in the water generating highly concentrated sludge. In addition, they allow to substantially reduce the Chemical Oxygen Demand (COD) and the Biological Oxygen Demand (BOD).
How does DAF Systems work?
The process begins with the water to be treated entering the DAF through an influent header box that reduces velocity and
distributes the water across the length of the vessel. In order to optimize treatment, the influent header box is designed with multiple points at which whitewater, a highly saturated pressurized stream of air and DAF effluent, and flocculant, where applicable, are injected.
Wastewater then enters the flotation zone and microbubbles from the whitewater attach to the particle surface and affect the particle density, causing the suspended solids to float to the surface of the DAF where they are skimmed by a chain and flight and separated into the sludge hopper. The treated wastewater is continuously removed at several points inside the DAF and discharges over pipe weirs into an effluent chamber. From there, it flows out of the DAF.
FEATURES AT A GLANCE
The main body of the equipment is a rectangular steel structure. The main components are composed of a dissolved air pump, air compressor, dissolved air tank, rectangular box, air flotation system, mud scraping system, etc.
1. The gas tank produces small bubbles with a particle size of 20-40um, and the adhesive flocculent is firm, which can achieve good air flotation effect;
2. Less use of flocculants and reduced costs;
3. The operating procedures are easy to master, the water quality and quantity are easy to control, and the management is simple.
4. Equipped with a backwash system, the release device is not easily blocked.
Dissolved Air flotation machine for sewage treatment
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