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  • Case Studies-Pilot Test Study on Deep Treatment of Printing And Dyeing Wastewater
    The shallow flotation-ozone-BAF combined process was used to carry out a pilot test on the effluent from the secondary sedimentation tank after biochemical treatment to provide reference data for the actual application of the process in the later upgrading and transformation project. The influent was the effluent from the secondary sedimentation tank, and the designed water volume was 50 m3/d. The operation results showed that under the conditions of 1350 mg/L polyferric dosing, 120 mg/L decolorant dosing, and 40 mg/L ozone dosing, the average total removal rates of COD and chromaticity were 65% and 80,% respectively. All effluent indicators met the direct emission limits of the "Discharge Standard of Water Pollutants for Textile Dyeing and Finishing Industry" (GB 4287-2012).   Read More>
  • Case Studies-Shallow Air Flotation Process for Treating Recycled Paper Wastewater
    Nantong X Paper Co., Ltd. is located in Nantong City, Jiangsu Province. It is a papermaking company that uses recycled paper as raw material. During the production process, the daily discharge of wastewater is 8,000 to 10,000 m3. The recycled paper of the company is mainly made of waste newspapers, waste board paper and waste book and magazine paper.
    When the optimal dosage of PAC and PAM in the shallow flotation section is controlled at 250 mg/L and 10 mg/L respectively, the SS removal rate can reach 94.56%, and the COD removal rate can reach 45.32%
      Read More>
  • Lamella Inclined Plate Clarifier Tank
    IntroductionThe lamella clarifier tank is an improved compact inclined plate sedimentation tank. The lamella clarifier tank adopts IPAL water treatment technology, by adding chemical agents such as PAC, suspended solids, colloids, and organic matter in the wastewater are condensed into larger partic   Read More>
  • How lamella clarifier treat wastewater in our life?
    What is the flotation process in wastewater treatment?Lamella clarifier is a device used in wastewater treatment to filter and remove sludge. The principle is that under the action of gravity, solid particles are aggregated into larger particles, and solid particles in suspension are removed by prec   Read More>
  • Let's talk about the Wastewater Treatment Process of Dissolved Air Flotation
    Dissolved air flotation plays an important role in wastewater treatment process, used to remove impurities from wastewater generated by various industries, including suspended solids, organic matter, and inorganic matter, so that the treated wastewater meets the requirements for reuse or discharge.
    Dissolved air flotation is composed of DAF system and main tank body. DAF system includes dissolved air vessel, solenoid valve, safety valve, pressure gauge, air compressor, reflux pump and releaser. Main tank body includes chemical reaction area, contacting area, separation area, sludge discharge tank and clean water area.   Read More>
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Latest News
March 05, 2025

Biochemical Oxygen Demand (BOD) is a critical parameter in wastewater treatment that measures the amount of oxygen microorganisms require to decompose organic matter in water. High BOD levels indicate the presence of significant organic pollutants, which can harm aquatic ecosystems when released untreated into natural water bodies. To improve BOD removal in wastewater treatment plant (WWTP), various separation technologies can be employed, with Dissolved Air Flotation (DAF) systems being one of the most effective methods.

March 11, 2025

Industrial wastewater management is a critical challenge in modern infrastructure, requiring innovative solutions to address contaminants like fats, oils, and heavy metals. Among these solutions, Dissolved Air Flotation (DAF) systems have emerged as a cornerstone technology, particularly for separating solid fats, vegetable oils, and suspended solids from water. This article explores how DAF units tackle complex pollutants, the role of types of fat in treatment processes, and why heavy metals persist in sewage sludge.

March 19, 2025

Water treatment is a critical process in various industries, ensuring that wastewater is treated to meet regulatory standards before discharge or reuse. Among the many technologies available, Dissolved Air Flotation (DAF) stands out as an effective method for removing suspended solids, oils, and greases from wastewater. Central to the success of DAF systems are coagulants and flocculants, which play a vital role in the treatment process. This article explores the importance of coagulants and flocculants in DAF water treatment, their mechanisms, and their applications.

March 26, 2025

Wastewater treatment is a critical process for maintaining environmental health and public safety. As populations grow and industrial activities expand, the demand for efficient and sustainable wastewater treatment solutions has never been greater. Among the various technologies employed in treatment plants, the lamella separator stands out as an innovative and highly effective solution for solid-liquid separation. This article explores the role of lamella separators in wastewater treatment plants, their advantages, operational principles, and applications across different industries.

April 09, 2025

Paper mills play a vital role in producing the paper products we use daily, but they also generate significant industrial wastewater. Managing this wastewater stream effectively is crucial for both environmental compliance and operational efficiency. Enter DAF wastewater treatment—a cutting-edge solution that leverages dissolved air flotation (DAF) systems to clarify water and remove contaminants. At Yosun Environmental, we specialize in providing DAF units tailored to the unique needs of paper mills, ensuring cleaner water and sustainable operations.

April 16, 2025

Stainless steel lamella settlers are key tools in wastewater treatment. They remove particles from liquids. This article explains their design, benefits, and uses in water treatment plants.

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