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New Air Flotation Machine Equipment Shipped! Project Report of Qingdao Yimei Environmental Engineering Export to Pakistan


Time of issue:

2026-06-10

Qingdao Yimei Environmental Engineering customized DAF dissolved air flotation machine was successfully shipped to Pakistan. Adopting micro-nano aeration technology and shallow rapid separation process, the fully automatic energy-saving air flotation equipment features high separation efficiency and stable operation. It is customized for local oily wastewater and food sewage treatment to solve local water quality and sludge disposal problems.

We keep supplying premium wastewater treatment equipment to the global environmental protection market. A brand-new custom DAF solid-liquid separation system by Yimei has been delivered. It delivers efficient, reliable and integrated water treatment solutions for local sewage treatment projects in Pakistan.
 

Core Technologies of the Air Flotation Machine

 
This exported dissolved air flotation machine is equipped with our self-optimized dissolved air system. Its core technical advantages are as follows:
 

Micro-nano Dissolved Air Technology

 

It improves air-water mixing efficiency and generates a large quantity of fine, uniform and stable micro-bubbles. With strong adsorption performance, the bubbles rapidly capture suspended solids, grease and colloidal contaminants in water, achieving much higher separation efficiency than conventional air flotation equipment.

 

Shallow Layer Rapid Separation Process

The optimized tank structure shortens the separation path of pollutants, reduces sewage retention time and boosts treatment capacity. It perfectly meets the high-efficiency operation requirements of small and medium-sized wastewater treatment projects.

 

Automatic Slag Scrapping & Discharge System

Fitted with fully automatic timed slag scrapers, the unit realizes automatic collection and discharge of scum. It supports unattended continuous stable operation and prevents secondary pollution caused by scum accumulation.

 

Energy-saving & Low Power Consumption Design

The water circulation and air supply systems are structurally optimized. This DAF system consumes less energy than traditional counterparts. It is energy-efficient and eco-friendly for long-term operation and cuts overall operating costs.

 

Equipment Parameters

Parameter ItemSpecificationsAdvantages
Equipment NameCustom High-efficiency Dissolved Air Flotation MachineAdaptable to complex water quality in Pakistan
Treatment CapacityCustomized on requestLarge throughput and wide adaptability for industrial & domestic sewage treatment
Effluent QualityRemoval rate of suspended solids & grease ≥ 95%Superior purification effect, compliant with local sewage discharge standards
Main MaterialAnti-corrosion Carbon SteelHigh temperature resistance, corrosion resistance and anti-aging, suitable for local hot and humid climate
Operation ModeFully Automatic Continuous OperationEasy to operate and reduce manual maintenance costs
Energy ConsumptionLow-energy Saving DesignOver 20% energy saving vs traditional equipment, lower operational cost
ApplicationIndustrial wastewater, domestic sewage, oily wastewaterMulti-scenario application with great versatility

 

Advantages of Stable DAF Solid-Liquid Separation System

 
This closed-loop system integrates air-water separation and slag-water separation. The DAF unit features strong shock load resistance and adapts to harsh working conditions including dramatic water quality fluctuation and unstable pollutant concentration worldwide. Its key strengths:
 
  1. High separation efficiency and stable outlet water. Uniform micro-bubbles accurately adsorb fine and light particles such as oil, algae and fibers.
  2. Compact footprint. Under the same treatment capacity, its floor area is only 1/4 of traditional sedimentation tanks and clarifiers. The modular design brings high integration and short installation period.
  3. Premium scum for lower downstream costs. Well-formed scum with low moisture content simplifies dewatering and reduces sludge disposal expenses.
  4. Low energy consumption. Combined with high-efficiency micro-bubble adsorption, chemical dosage is greatly reduced for cost-effective long-term running.
  5. Simple maintenance & high automation. Equipped with full PLC automatic control and remote monitoring function.
 
Nowadays, DAF systems are widely used in multiple industries: municipal sewage, papermaking, textile printing & dyeing, food processing, oily wastewater, chemical and pharmaceutical industries. It is especially ideal for wastewater with light substances, oil and high SS (suspended solids).
It can be used as pre-treatment or advanced treatment unit, working with biochemical systems and membrane systems to improve overall process stability.
 

Project Background & Local Adaptation

 
The daily treatment capacity for food processing wastewater is 7925 gallons. This equipment effectively solves the high sludge disposal cost of the original process, which once accounted for 40% of total operating expenses. The introduction of Yimei intelligent manufacturing air flotation equipment from China brings prominent optimizations:
 
  • Excellent sludge thickening performance. Lower sludge moisture content greatly reduces the volume and cost of sludge transportation and disposal.
  • Integrated scum collection design ensures continuous and stable slag discharge without scum accumulation.
  • Strong anti-fluctuation load capacity, adapting to variable quality of food wastewater, stabilizing treatment effect and avoiding extra rework costs.
 
Statistics show that the discharge of industrial and domestic sewage in Pakistan keeps rising year by year. Local wastewater is generally high in suspended solids and grease, with frequent water quality fluctuations. Meanwhile, local wastewater treatment equipment faces challenges in operation & maintenance and large temperature differences.
 
Yimei engineers have completed customized upgrading for the equipment according to local climate, water quality, working conditions and site layout. The whole machine adopts anti-rust and anti-corrosion materials to adapt to the local high-temperature and humid environment, effectively avoiding rusting and aging during long-term outdoor operation.

 

 

 

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