日韩高清在线观看不卡一区二区,亚洲美女高潮久久久久69,亚欧日韩欧美网站在线看

Reverse Osmosis

Reverse Osmosis (RO) has efficient desalination and impurity removal capabilities and is an indispensable core water treatment component in water treatment fields such as seawater desalination, industrial pure water preparation, electronic ultrapure water production, reclaimed water reuse, and drinking water purification.

反滲透膜防污堵1.jpg

During the long-term operation of reverse osmosis systems, biofouling remains a major bottleneck hindering their efficient and stable operation.

·Biofouling is caused by microorganisms attaching, growing, and secreting extracellular polymeric substances (EPS) on the surface of reverse osmosis membranes, forming a biofilm. This significantly reduces water production, increases operating pressure, shortens membrane life, and increases the frequency of chemical cleanings and reagent consumption, thereby driving up overall operating costs.

Traditional control methods for biofouling, such as chemical dosing, have many limitations.

Ultraviolet (UV) disinfection technology shows great potential for controlling biofouling in reverse osmosis membranes.

2.1130.png

The most common method for combating biofouling is the addition of chemical agents, such as non-oxidizing biocides and scale inhibitors.

When biofouling occurs, the primary remedial measure is chemical cleaning. Biofilm and contaminants on the membrane surface can be removed by using acidic or alkaline cleaning agents, as well as specialized cleaning formulas containing surfactants, chelating agents, and enzymes.

In reverse osmosis systems, ultraviolet disinfection primarily controls biofouling through pretreatment.

Pretreatment involves installing a UV disinfector after the pretreatment unit and before the RO membranes in a reverse osmosis system, ensuring that the water entering the membrane modules has been adequately inactivated by microorganisms.

The required UV dose depends on:

· The target microbial species; different microorganisms have varying degrees of sensitivity to UV (for example, viruses are generally more sensitive than bacterial spores).

· Water quality (especially UVT); poor water quality requires a higher dose to compensate.

· The total bacterial count in the influent and the corresponding inactivation rate (log N).

In the system design, membrane cleaning should be coordinated with the application of ultraviolet technology in reverse osmosis anti-fouling and blockage, and ensure that the water discharged after ultraviolet light during normal operation after cleaning is in a sterile environment.

Previous
UV Advanced Oxidation

Next
Alternative to pasteurization

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

Municipal WSH UV Disinfection System WTV UV Disinfection Vertical System ZL UV Disinfection System Clear Medium Pressure UV Disinfection System MOL Ceramic Plate CD Ozone Generator UV-AOP Advanced Oxidation System D.FITE Cloth Filter

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

Industry Applications

About Us

Applications

Products

News

Services

Resources

Contact us