Super Subsurface DAF Unit – Patent Technology Dissolved Air Flotation
The Super Subsurface Dissolved Air Flotation (DAF) was successfully developed in October 2003 and received advanced technology patent protection in 2007, with the patent number: ZL2007 2 0155718.3. This innovative technology has gained recognition as a product of technological advancement and was strongly recommended by SEPA (State Environmental Protection Administration) in 2008.
The Super Subsurface DAF is considered a masterpiece in the water treatment field, widely used in wastewater treatment industries, especially in the pulp and paper industry. It achieves nearly 100% removal of suspended solids (SS) and over 85% removal of chemical oxygen demand (COD).
**Application Fields:**
- Primary and secondary treatment of industrial wastewater
- All liquids containing suspended solids
- Replacement for primary desilters in chemical pulping
- Treatment of waste paper in pulp and paper mills
**Features and Advantages:**
- Highest SS trapping efficiency (nearly 100%)
- High sludge concentration (up to 12%)
- Ability to handle large fluctuations in wastewater
- Low power and chemical consumption
- Modular components for easy expansion
**Description:**
The KS Air Flotation Clarifier is a specially designed top-open rectangular clarifier that integrates suspended particle separation and dissolved air flotation. Wastewater is pumped into the feed chamber, where it is mixed with recycled water using a special device. The pressurized dissolved air water is released at the bottom of the flotation tank, creating microbubbles that attach to suspended particles, allowing them to float to the surface for removal.
**Technical Specifications:**
| Item | Wastewater Quality | Treating Water Quality |
|--------------------|--------------------|------------------------|
| SS (ppm) | 1700–2500 | 11–25 |
| COD (ppm) | 450–500 | 65–80 |
| pH | 8.3–9.0 | 6.9–6.9 |
**Model Details:**
| Model | Capacity (m³/h) | Length (mm) | Width (mm) | Height (mm) |
|---------------|------------------|-------------|------------|-------------|
| SuperDAF-150 | 150 | 6400 | 3200 | 4090 |
**Our Service:**
Greatland Machinery offers professional technical support for installation, commissioning, and maintenance. We maintain a comprehensive file system and keep regular contact with our clients. Within the warranty period, we resolve issues on-site.
**FAQs:**
Q: Are you a factory or trading company?
A: We are a factory and manufacturer.
Q: How do you ensure quality control?
A: We focus on quality from start to finish, conducting full inspections and tests before shipment.
Q: Where is your factory located? How can I visit?
A: Our factory is located in Weifang, Shandong, China. You can fly directly to Qingdao International Airport, and we will arrange a pickup for you.
Q: What services or guarantees do you offer?
A: We provide one year warranty on key machine parts, on-site installation, worker training, and lifelong free technical support.
With our advanced technology and commitment to quality, Greatland Machinery continues to deliver reliable and efficient solutions for wastewater treatment. Whether you're looking for a complete system or just a part, we’re here to help. Let us be your partner in clean water.
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