I. Overview of Reverse Osmosis Systems
Natural water contains a high amount of impurities, making a pretreatment system before reverse osmosis indispensable. A well-designed pretreatment system not only ensures the long-term stable operation of subsequent equipment but also operates safely for a long period. Depending on the water quality, the pretreatment options include multimedia filters, activated carbon filters, filters, softeners, iron and manganese removal filters, and disk filters, among others.
1. Multi-Media Filter
Process Features: Multi-media filters, also known as mechanical filters, primarily retain physical impurities in water, removing suspended matter, solid particles, and some colloidal substances.
Materials include: fiberglass, carbon steel (with internal corrosion protection), and stainless steel SUS304 (lined with rubber corrosion protection), capable of meeting the production and process requirements of various industries.
Control Methods: Manual Operation, Semi-Automatic, Full Automatic (Automatic Control Valves, Pneumatic Valve Groups, and Electric Valve Groups, etc.).
Model and Specifications: FRP specification NCHJL-B-200-1500. Filter diameter ranges from 200-1500mm.
Carbon steel, Stainless Steel SUS304, specification NCHJL-T-200-3000. Filter diameter: 200-3000mm.
Based on your actual water usage, we will assist you in selecting the appropriate specifications and materials.
2. Active Carbon Filter
Process Features: Activated carbon filters are primarily used to adsorb color, taste, residual chlorine, organic matter, and colloidal substances in water; they also serve to filter out large particles of impurities. Pasteurization can be added to extend the lifespan of the activated carbon and reduce bacterial growth during the production process.
Materials include: fiberglass, carbon steel (internally lined for corrosion resistance), and stainless steel SUS304 (lined with rubber for corrosion resistance), catering to the production and process requirements of various industries.
Control Methods: Manual Operation, Semi-Automatic, Fully Automatic (with automatic control valves, pneumatic valve groups, and electric valve groups, etc.).
Model and Specifications: Glass fiber specification NCHTL-B-200-1500. Filter diameter ranges from 200-1500mm.
Carbon steel, stainless steel SUS304, specification NCHJL-T-200-3000. Filter diameter ranges from 200-3000mm.
3. Demineralizer
Process Features: The softener, also known as a sodium ion exchange unit, effectively removes Ca2+ and Mg2+ from the water during the production process, thereby reducing water hardness. This prevents the formation of carbonate and sulfate scale in the water during production. The resin can be regenerated and reused. The softener can be used for softening boiler water and as a pretreatment for reverse osmosis.
Materials include: fiberglass, carbon steel (internally coated for corrosion resistance), and stainless steel SUS304 (lined with rubber for corrosion resistance), catering to various industry production and process requirements.
Control Methods: Manual Operation, Semi-Automatic, Fully Automatic (with automatic control valves, pneumatic valve groups, and electric valve groups, etc.).
Model and Specifications: Glass Reinforced Plastic (GRP) specification NCHTL-B-200-1500. Filter diameter ranges from 200-1500mm.
Carbon steel, Stainless Steel SUS304, specification NCHJL-T-200-3000. Filter diameter ranges from 200-3000mm.
4. Filter Cartridge, Filter Housing
Process Features: The filter, also known as a fine filter in the water system, is typically made of a 5µm melt-blown polypropylene (PP) membrane. Fine filtration is a pretreatment process before the water enters the reverse osmosis membrane. Its function is to prevent leaks from the previous filtration stage, ensuring the long-term normal operation of the reverse osmosis system.
Materials include: fiberglass, carbon steel, and stainless steel SUS304, capable of meeting the production and process requirements of various industries.
Model and Specifications: FRP specification NCHTL-B-200-1000. Filter diameter ranges from 200-1000mm.
Carbon steel, Stainless Steel SUS304, specification NCHJL-T-200-1500. Filter diameter: 200-1500mm.
Based on your actual water usage, we will assist you in selecting the appropriate material and specifications.
