Trans-Ocean "Milky Water" Miracle
Wuxi Dajiang Environmental Technology Co., Ltd
Trans-Ocean "Milky Water" Miracle: DAGYEE High-Efficiency Dissolved air flotation (DAF) System Wins High Praise in Costa Rica
Categories: Success Stories / Wastewater Treatment Technology / Environmental Engineering
Keywords: DAGYEE, Dissolved Air Flotation, DAF System, Costa Rica, Wastewater Treatment, Micro-bubbles, Solid-Liquid Separation

Introduction: Environmental Protection Knows No Borders, Quality Wins Trust
In an era of increasingly stringent environmental standards, efficient wastewater treatment solutions have become a global necessity for industrial development. As a leading global supplier of water treatment equipment, DAGYEE is committed to bringing the most advanced solid-liquid separation technologies to customers worldwide.
Recently, we received exciting feedback from Costa Rica. After installing and operating a customized Dissolved Air Flotation (DAF) system from DAGYEE, the customer expressed extremely high praise for the treatment results. Photos from the site show the stunning "milky" effect of the saturated air water – a key technical indicator of a high-efficiency DAF system. This not only marks another successful expansion for DAGYEE in the Latin American market but also serves as the best testament to our philosophy of "Precision Engineering, Results First."On-Site Spotlight: That Striking "Milky White"
To the uninitiated, a tank full of white water might seem puzzling; but for environmental engineers, it's a beautiful sight.
As shown in the accompanying image (see top of article), this is a real-time photo of the DAF system supplied by DAGYEE to Costa Rica during operation. The entire flotation tank is filled with a dense, uniform white fluid. This isn't due to the addition of milk or chemical dyes but is a physical phenomenon caused by billions of micron-sized bubbles reaching a saturated state in the water.
Why is the "Milky Water" Effect So Important?
This high-density, white saturated air water represents the exceptional air dissolution efficiency of the DAGYEE DAF system.
Extremely Small Micro-bubble Diameter: DAGYEE's specialized air dissolution release devices generate micro-bubbles with diameters of 20-30 microns (μm). The smaller the bubbles, the larger their surface area, and the stronger their ability to adsorb suspended matter.
High Capture Rate: This dense "cloud of micro-bubbles" acts like a tight net, rapidly capturing Fats, Oils, and Grease (FOG), Total Suspended Solids (TSS), and colloidal substances in the wastewater.
Rapid Flotation:When micro-bubbles attach to pollutants, the combined specific gravity becomes instantly less than that of water, causing them to float to the surface at high speed, forming a sludge layer which is then removed by the skimmer mechanism.
Upon seeing this effect during commissioning, the Costa Rican client excitedly stated: "This is the most perfect air dissolution effect we have ever seen! The clarity of the effluent completely exceeded our expectations!"
Project Background: Environmental Challenges in Costa Rica and DAGYEE's Solution
Costa Rica, known as the "Green Republic" of Central America, has stringent environmental laws and regulations. The local client faced multiple challenges in finding a wastewater treatment partner:
- Complex Influent Quality: The industrial wastewater contained high concentrations of organic matter and fine suspended particles, difficult to remove by natural sedimentation.
- Stringent Discharge Standards: Treated water quality had to meet local strict environmental discharge standards or reuse requirements.
- Demand for Equipment Durability: Located in a tropical region with potentially corrosive treatment media, the equipment required excellent weather resistance and corrosion resistance.
DAGYEE's Customized Strategy
Addressing the client's needs, the DAGYEE technical team provided a tailored DAF solution:
Optimized Core Air Dissolution System:
We employed DAGYEE's latest generation high-efficiency air dissolution tube and multiphase pump technology. Compared to traditional DAF systems, our system's air dissolution efficiency is increased by over 30%, not only producing the visually striking "milky water" effect but also significantly reducing energy consumption. This means the client achieves better treatment results while saving on long-term electricity costs.
Robust and Durable Skimming Mechanism:
As clearly visible in the site photos, we equipped a high-strength chain scraper mechanism.
- Material Upgrade: Utilizes corrosion-resistant, high-strength engineering plastic chains and stainless steel skimmer blades, perfectly suited for humid and corrosive environments.
- Smooth Operation: A unique drive design ensures the skimmer blades push the float sludge smoothly and continuously into the sludge hopper, preventing settled sludge from re-entering the water body.
Compact Integrated Design:
Considering the client's space limitations, we optimized the flocculation zone, contact zone, and separation zone using scientific fluid dynamics principles, minimizing the system's footprint while ensuring sufficient hydraulic retention time for complete reaction.
In-Depth Analysis: Technical Advantages of the DAGYEE DAF System
Why do clients worldwide choose DAGYEE? Beyond the customized service mentioned above, our DAF system holds significant advantages in key technical performance indicators:
Excellent TSS and COD Removal Rates:
Leveraging the ultra-fine bubble technology, the DAGYEE DAF system can achieve removal rates of up to 95%-99% for Total Suspended Solids (TSS) and over 85% for insoluble COD. This significantly reduces the load on subsequent biological treatment units.
Intelligent Anti-Clogging Release Devices:
Release device clogging is a major headache in traditional DAF systems. DAGYEE employs proprietary anti-clogging release devices. Their special flow channel design allows for long-term stable operation without frequent shutdowns for maintenance, greatly reducing operational and maintenance costs.
Wide Industry Applicability:
- While this Costa Rican project was a great success, DAGYEE's DAF systems are equally widely applicable in other sectors, including but not limited to:
- Slaughterhouse and Meat Processing Wastewater (removing grease and blood)
- Textile Dyeing Wastewater (removing fibers and color)
- Paper Mill Wastewater (pulp recovery)
- Petrochemical Wastewater (oil-water separation)
- Food and Beverage Processing
Client Feedback: A Voice from Costa Rica
After project commissioning, the client sent feedback, specifically mentioning the equipment's ease of use and effectiveness.
"Initially, we were worried about the installation and commissioning of imported equipment. However, the DAGYEE team provided detailed guidance. When we turned on the pump and saw the tank turn completely white within seconds, we knew we made the right choice. The separation speed is incredibly fast, and the sludge is very dry. Excellent job, DAGYEE!"
Conclusion: DAGYEE, Your Trusted Global Water Treatment Partner
From manufacturing in China to serving the world, DAGYEE always insists on letting results speak for themselves. The success of the Costa Rica project not only validates the competitiveness of our DAF system in the international market but also proves that high-quality "Intelligent Manufacturing from China" can fully meet and even exceed international high standards.
If you are also facing challenges with wastewater treatment, or seeking a DAF unit that can produce the perfect "milky water" effect and efficiently remove suspended solids and oils, DAGYEE is ready to assist you.
Wherever you are, DAGYEE is committed to restoring clarity to every drop of water.
About DAGYEE
DAGYEE is a professional manufacturer of environmental equipment, integrating design, manufacturing, sales, and service. We specialize in the wastewater treatment field, with core products including Dissolved Air Flotation (DAF) units, Sludge Dewatering Machines, Dosing Systems, and more. Leveraging years of industry experience and continuous technological innovation, our products have been exported to dozens of countries and regions worldwide.
Contact us now for your customized wastewater treatment solution!
- Company: Wuxi Dajiang Environmental Technology Co., Ltd. DAGYEE
- Phone/WhatsApp: +8613961861780
- Email: info@dagyee.com
- Website: www.dagyee.com