Reverse Osmosis Wastewater Reuse System, Water Output 30 Tons/Hour, Power 20 000w, Power Supply 380-440v, Size 6500mm Long X 1300mm Wide, 2250mm High

The reverse osmosis wastewater reuse system is an efficient water treatment technology that converts wastewater into reusable water resources through multiple steps. The following is the detailed working principle and components of the system:

1. Pretreatment: Before the reverse osmosis process, the wastewater is first pretreated to remove large particles, suspended matter and some chemicals. The depth of pretreatment should be determined based on the membrane material, the structure of the membrane module, the quality of the raw water, the quality requirements of the produced water and the recovery rate. The inlet water temperature range is 5-45℃ at pH 2-10, and the operating temperature should be less than 35℃ when the pH value is greater than 10[^0^].
2. Microfiltration and ultrafiltration: As part of pretreatment, microfiltration and ultrafiltration systems can remove smaller particles and some microorganisms. Microfiltration can remove suspended particles, bacteria, some viruses and large-scale colloids, while ultrafiltration can remove colloids, proteins, microorganisms and large molecular organic matter[^1^].
3. Nanofiltration: In some cases, nanofiltration (NF) may be used as a step before reverse osmosis to remove multivalent ions, some monovalent ions, and organic matter with a molecular weight of 200 to 1000 Daltons. Nanofiltration helps remove hardness, color, and radioactive radium from well water, and partially removes soluble salts[^2^].

4. Reverse osmosis (RO): The core treatment step, removing soluble salts and organic matter with a molecular weight greater than 100 Daltons through a semipermeable membrane. Reverse osmosis membranes are usually made of cellulose acetate, polysulfonates, and polyamides, and can remove up to 98% of total dissolved solids (TDS)[^3^].
5. Post-treatment: Water treated by reverse osmosis may require further chemical treatment or physical filtration to meet specific water quality standards.
6. Control system: The reverse osmosis system includes an electrical control system that is easy to operate, sensitive and reliable in control, and should stop immediately in the event of a fault, with automatic protection function[^5^].
7. Chemical cleaning system: The system should have a chemical cleaning system or interface, and a segmented cleaning function to maintain the long-term performance of the membrane[^6^].
8. Effluent water supply system: The effluent of the reverse osmosis system enters the reuse water pool, and a constant pressure variable frequency water supply pump is set to ensure stable water supply[^7^]. The design and operation of the reverse osmosis wastewater reuse system need to consider multiple factors, including the source of the wastewater, water quality, treatment objectives and reuse requirements. Through this system, wastewater can be effectively treated, water waste can be reduced, and a positive impact on the environment can be achieved. If you need, please contact us for communication

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