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 an extended period. The choice of pretreatment depends on the water quality and includes multi-media 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, fully automatic (including automatic control valves, pneumatic valve groups, and electric valve groups, etc.).

Model and Specifications: Glass Reinforced Plastic (GRP) NCHJL-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.

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, reducing bacterial growth during the production process.

Materials include: fiberglass, carbon steel (with internal anti-corrosion), and stainless steel SUS304 (lined with anti-corrosion rubber), capable of meeting the production and process requirements of various industries.

Control Methods: Manual operation, semi-automatic, fully automatic (including automatic control valves, pneumatic valve groups, and electric valve groups, etc.).

Model and Specifications: FRP specification NCHTL-B-200-1500. Filter diameter ranges from 200-1500mm.

Carbon steel, stainless steel SUS304, specification NCHJL-T-200-3000. Filter diameter: 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, reducing water hardness. This prevents the formation of carbonate and sulfate scale in the production process. 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 the production and process requirements of various industries.

Control Methods: Manual Operation, Semi-Automatic, Fully Automatic (Automatic Control Valves, Pneumatic Valve Groups, and Electric Valve Groups, etc.).

Model and Specifications: FRP 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 Housing

Process Features: The filter, also known as a precision filter in the water system, is typically achieved through a 5µm aperture polypropylene (PP) membrane formed by meltblowing. Precision filtration is a pre-treatment process before the water enters the reverse osmosis membrane. Its function is to prevent any leakage from the previous filtration step, ensuring the long-term stable operation of the reverse osmosis system.

Materials include: fiberglass, carbon steel, and stainless steel SUS304, catering to various industry production and processing requirements.

Model and Specifications: Glass Fiber Reinforced Plastic (GFRP) specification NCHTL-B-200-1000. Filter diameter ranges from 200-1000mm.

Carbon steel, stainless steel SUS304, specification NCHJL-T-200-1500. Filter diameter from 200-1500mm.

Based on your actual water usage, we'll assist in selecting the appropriate material and specifications.