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Municipal Wastewater

Application of Ultraviolet Disinfection Technology in Municipal Wastewater Treatment

Disinfection is the final, essential process in municipal wastewater treatment plants. It effectively kills pathogenic microorganisms (such as bacteria, viruses, and parasites) in wastewater, preventing the spread of disease, avoiding contamination of natural water bodies and soil, and safeguarding public health and ecological safety. It is an indispensable step in the wastewater treatment process. By the time wastewater enters the disinfection process, most organic matter and suspended solids have been removed, creating excellent water quality conditions for UV disinfection. UV disinfection processes have low investment and operating costs per unit of water volume, and UV disinfection ensures that the final discharged wastewater meets the various microbiological requirements of the receiving water.

There are two main types of UV disinfection systems used in municipal wastewater treatment plants:

Open-channel UV systems feature UV lamp modules installed horizontally or vertically in an open concrete channel, irradiating wastewater as it flows through the channel. Open-channel UV disinfection systems are the most commonly used disinfection method in wastewater treatment plants and are relatively easy to install and maintain.

Closed-Vessel UV System: This system places UV lamps inside a closed reactor (usually a stainless steel cylinder), through which wastewater flows under pressure for disinfection. Its advantages include a small footprint and the ability to operate under pressure. It is suitable for applications with relatively small treatment volumes, MBR process effluent, and underground wastewater treatment plants.

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The ONYX-WSHI complies with GB/T19837-2019, "Urban Water Supply and Drainage Ultraviolet Disinfection Equipment," and has passed microbial testing to verify that the UV dose meets the requirements for inactivating E. coli and fecal coliforms.

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Municipal Municipal Wastewater Municipal water supply Recycled Water Reuse Township water supply and drainage Industrial Park New pollutant control Water ecological restoration project

Industry Pretreatment of industrial high-difficulty wastewater Pesticide Industry API pharmaceuticals Chemical waste salt purification Food & Beverage Industry Pharmaceutical Purified water Chip Fabrication Oilfield reinjection water Industrial zero emissions

Commercial Secondary water supply Pool & Aquarium High-quality drinking water POE/POU Aquaculture Cooling Circulating water Laboratory applications

UV-AOPs Wastewater Biodegradability Pretreatment of highly toxic industrial wastewater Chemical active agents Cyanide Organic Complexes

Craftsmanship UV disinfection UV photolysis UV Advanced Oxidation Reverse Osmosis Alternative to pasteurization UV photochemical reaction Ozone oxidation

Resource Recycling waste plastics Construction waste Renovation waste

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Industry ZL UV Disinfection System Clear Medium Pressure UV Disinfection System UV-AOP Advanced Oxidation Extrem Medium Pressure UV Disinfection System EX-U UV Sterilizer EX-UPW-TOC UV TOC System MOM Ceramic Plate CD Ozone Generator MOS Ceramic Plate CD Ozone Generator UV-Fenton UV-Oxidation

Commercial EX-L UV Sterilizer EX-U UV Sterilizer ZL UV Disinfection System CLEAR Medium pressure UV Disinfection System OneUV UV Sterilizer Extrem Medium pressure UV Disinfection System UV-AOP Advanced Oxidation MOS Ceramic Plate CD Ozone Generator COG Ceramic Plate CD Ozone Generator

Photochemistry UV-Fenton Medium-pressure UV-Oxidation UV Photolysis Pasteurization UV Alternatives UV Photocatalysis Low Pressure UV-Oxidation

Resource Recycling AI Optical Sorter Al high-speed sorting robot AI heavy-duty sorting robot

Others SATBR Integrated Wastewater Treatment System D.FITE Cloth Filter Modular Wastewater Treatment System ModuOzone Ceramic Plate CD Ozone Generator

After-Sales Services Spare parts replacement Product Repair System Support Renovation Regular maintenance Software Upgrade

Technical Support Process Support Product Training Research & Development Small Test Pilotscale experiment Online dose monitoring UV dose design

Channel Services Municipal Industry Business OEM

Spare parts Low Pressure lamps Low Pressure Amalgam Lamps Medium Pressure Mercury Lamp VUV Low-pressure Mercury Lamp（185nm） Quartz sleeve Ballasts UV Intensity Sensor UV transmittance tester Sealing accessories Other Spare parts replacement

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