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28 - 06
DATE
2024
Petrochemical wastewater treatment project in Dalian,Liaoning
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18 - 06
DATE
2024
The wastewater generated during the coating production process of the enterprise has the characteristics of many types of pollutants, high concentration, complex composition, intermittent discharge of wastewater and irregular discharge time, poor biodegradability, etc. Reasonable selection of wastewater treatment methods and design of treatment processes that meet the requirements of the enterprise according to different process characteristics in accordance with local conditions can improve the treatment efficiency of wastewater, reduce treatment costs and shorten the treatment cycle.
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14 - 06
DATE
2024
Although automobile painting wastewater has high water quality complexity and is difficult to treat, it is necessary to classify, collect, and pre-treat wastewater according to quality as long as the characteristics of the wastewater are understood and appropriate treatment processes are adopted.
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Latest News
March 05, 2024

This case study introduces the Tarim Ethylene Ethane Project of Dushanzi Petrochemical. The treatment of ethylene waste alkali liquid used the high-efficiency dissolved air flotation produced by our factory as a pretreatment to remove the oil substances entrained in the waste alkali liquid, and good results were achieved.

March 08, 2024

This project case introduces that the wastewater discharged by HANGZHOU ELECTROCHEMICAL NEW MATERIAL CO., LTD. during the production of PVC raw materials also contains a small amount of PVC fine particles. After the wastewater is pH-adjusted, coagulated, and flocculated, the fine particles are aggregated into larger flocs and recycled using high-efficiency dissolved air flotation, achieving good results.

March 12, 2024

In this case, Jiangsu Fengmang Compound Material sewage treatment project, we used the high-efficiency dissolved air flotation produced by our factory to remove most of the suspended impurities, and the effluent was sent to biochemical treatment, achieving good results.

March 12, 2024

This case introduces the Jiangning Science Park river sewage treatment project, which uses our factory's high-efficiency dissolved air flotation to treat river sewage. This equipment removes more than 90% of suspended solids and total phosphorus in the water body, and can reduce the COD value at the same time. After comprehensive treatment, it meets the fourth category of surface water environmental quality standards. Good results have been achieved.

March 13, 2024

The organic wastewater generated during the preparation and treatment of PCB circuit boards contains a lot of nickel. The chemical precipitation method balances the water quality and quantity of the nickel-containing wastewater, then passes through a pH adjustment tank with a pH value of about 3~4. Fenton reagent is added to the oxidation tank to convert the hypophosphite in the nickel-containing wastewater into orthophosphate to complete the wastewater decomposition. The wastewater is then introduced into an alkalization tank, and an aqueous solution of calcium hydroxide is added to generate nickel hydroxide and calcium phosphate precipitates. A polymer flocculant is added, and precipitation is carried out using a high-efficiency inclined plate sedimentation tank.

March 15, 2024

This case introduces the Suma Park North Wastewater Treatment Plant Project, which uses a C-AAO combined biochemical pool + micro-flocculation filtration process, and the drainage complies with the town Class A standard. The raw water is treated with high-efficiency dissolved air flotation produced by our plant to remove more than 90% of SS. The reduced concentration of suspended solids can reduce the treatment load of the combined biochemical pool and improve the treatment efficiency.

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