Industrial reverse osmosis pure water system equipment water quality classification and reverse osmosis pure water system treatment process description

Reverse osmosis pure water system treatment process description

Pretreatment part: source water pump, mechanical filter, activated carbon adsorber, precision filter and other equipment, mainly solve the following problems.

  • Prevent scaling on the membrane surface (including Fe3+, Fe2+, CaCO3, CaCO4, SrSO4, CaF2, SiO2, iron, aluminum oxide).
  • Prevent colloidal substances and suspended solid particles from fouling.
  • Prevent the fouling of organic matter
  • Prevent microbial fouling
  • Prevent oxidative damage to the film by oxidizing substances
  • Keep the water produced by the reverse osmosis device stable

Reverse osmosis device:

Reverse osmosis is the heart of the system. Whether the design is mature and reasonable not only directly determines whether the RO system can meet the design requirements, but also relates to the service life of the RO membrane. The water treated by the RO device can remove most of the inorganic salts and Almost all organic matter, microorganisms.
RO device has no phase change in the process of water quality separation, high desalination rate, small equipment size, automatic control operation, strong applicability, wide application range, no environmental pollution, etc. The system adopts two-stage reverse osmosis desalination system to remove water Most of the ions, particles, organic matter, etc., make the water quality reach the purified water standard.

The water quality of this series of equipment is as follows:

Conductivity ≤10μS/CM: Animal drinking water (medicine), common chemical raw material ingredient water, food industry ingredient water, general electroplating industry flushing deionized water, textile printing and dyeing de-hardening and desalting pure water, polyester chipping pure water, fine Chemical water, purified water for civil drinking water, and other water with the same water quality requirements.
Conductivity ≤5μS/CM: electroplating chemical production water, chemical industry production water, medical purified water, pure water for liquor production, pure water for beer production, purified water for civilian use, water for production of ordinary cosmetics, water for hemodialysis pure water machine , Other water with the same water quality requirements.
Resistivity is 5~10MΩ.CM: lithium battery production water, battery production water, cosmetics production water, pure water for power plant boilers, water for chemical plant ingredients, and other water with the same water quality requirements.
Resistivity: 10~15MΩ.CM: animal laboratory water, glass bulb coating washing water, pure water for electroplating, water for coating glass, and other water with the same water quality requirements.
Resistivity ≥15 MΩ.CM: sterile water for pharmaceutical production, oral liquid water, deionized water for high-end cosmetics production, electronic industry coating water, optical material cleaning water, electronic ceramic industry pure water, pure water for cutting-edge magnetic materials, Other water with the same water quality requirements.
Resistivity ≥17 MΩ.CM: Demineralized water for magnetic material boilers, water for sensitive new materials, water for production of semiconductor materials, water for advanced metal materials, laboratory water for anti-aging materials, non-ferrous metals, water for smelting precious metals, water for production of nano-grade new materials , New aviation material production water, solar cell production water, crystal wafer production water, ultra-pure chemical reagent production water, laboratory high-purity water, and other water with the same water quality requirements.
Resistivity ≥18 MΩ.CM: ITO conductive glass manufacturing water, laboratory water, electronic grade clean cloth production water and other water with the same water quality requirements

Applicable industries

Production of electronic industry such as mono/polysilicon semiconductor, integrated circuit block, solar energy, picture tube, LCD, glass bulb, optical glass coating, optoelectronics and optical fiber, and other process water. Ultrapure water.

EDI ultrapure water treatment

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