PSI MEMBRANE® Pro-Acid high-pressure acid-resistant membrane incorporating innovative Thin Film Nanocomposite (TFN) technology, are designed to serve a wide range of industries. These membranes excel in various applications,such as :
n Industrial Acidic Wastewater Treatment Plants.
n Industrial Minimum-and Zero-Liquid Discharge (MLD/ZLD) Systems.
n Industrial Resource Recovery and Recycling: Suitable for metals, new energy lithium extraction from lakes, chemical & petrochemical industries.
n Working pH 0-12: Acid resistant and high-pressure membrane can work pH 0-12, long term stable and cleaning efficiency.
n Excellent Anti-fouling: Robust, fouling resistant TFN membrane and reliable long-term performance.
n Unmatched Cost Efficiency: Achieves the ability to reject total dissolved solids (TDS) levels 170,000 mg/L and reduce concentrate stream within standard system operation.
n Professional Technical Services: National-level expert team provide clients first-class technical support.
| Product | Active Area Ft2(㎡) | Feed Spacer Thickness(mil) | Permeate Flow Rate(m³/d) | Stabilized Salt Rejection(%) |
| Pro-Acid-NF98-8040 | 400(37.2) | 34 | 12000（45.4） | 98 |
| Pro-Acid-NF96-8040 | 400(37.2) | 34 | 18000（68.1） | 96 |
| Pro-Acid-NF92-8040 | 400(37.2) | 34 | 22000（83.2） | 92 |
| Pro-Acid-NF80-8040 | 400(37.2) | 34 | 24000（90.8） | 80 |
| Pro-Acid-NF35-8040 | 400(37.2) | 34 | 36000（139.5） | 35 |
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1. Permeate flow rate and stabilized salt rejection were based on the following standard test conditions: 2000 ppm MgSO4, 580 psi (4.01 MPa), 77 ℉ (25 ℃), and 15% recovery. 2. The variation range of permeate flow rate is +/-15%. |
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| Items | Parameter |
| Maximum operating temperature | 50℃ |
| Maximum operating pressure | 1200 psi(83 bar) |
| Maximum pressure drop | 1 bar |
| Continuous operation pH range | 0-12 |
| Cleaning pH range | 0-13 |
| The largest water SDl15 | 5 |
| Maximum influent turbidity | 1 NTU |
| Maximum residual chlorine concentration of influent | ＜0.1 ppm |
The PSI MEMBRANE® Pro-Base-NF98 series of Alkali-Resistant TFN membrane are designed to serve a wide range of industries.These membranes excel in various applications, such as:
n Concentration of Cellulose, Hemicellulose, and Paper Fibers: Ideal for concentrating these compounds in alkaline solutions.
n Purification and Recovery of Alkaline Solutions: Efficiently handle 20% sodium hydroxide and 10% potassium hydroxide solutions, maintaining high flux and stable operation for over 12 months in strong alkaline environments.
n Customizable Salt Selectivity: Tailored performance to meet the specific needs of different industries.
n Higher Flux and Lower Energy Consumption: Achieves 30% higher flux and lower energy consumption compared to TFC membranes.
n Excellent Anti-Fouling Performance: Guarantees a long service life and reduces maintenance needs.
n Stable, Chemical-Resistant Cleaning: Ensures long-term operational reliability and cost-effectiveness.
| Product | Active Area Ft2(㎡) | Feed Spacer Thickness(mil) | Permeate Flow Rate(m³/d) | Stabilized Salt Rejection(%) |
| Pro-Base-NF98-8040 | 400(37.2) | 34 | 13000（49.2） | 98 |
| Pro-Base-NF96-8040 | 400(37.2) | 34 | 19500（73.8） | 96 |
| Pro-Base-NF92-8040 | 400(37.2) | 34 | 24000（91.0） | 92 |
| Pro-Base-NF80-8040 | 400(37.2) | 34 | 26000（98.4） | 80 |
| Pro-Base-NF35-8040 | 400(37.2) | 34 | 39000（147.6） | 35 |
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1. Permeate flow rate and stabilized salt rejection were based on the following standard test conditions: 2000 ppm MgSO4, 580 psi (4.01 MPa), 77 ℉ (25 ℃), and 15% recovery.
2. The variation range of permeate flow rate is +/-15%. |
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| Items | Parameter |
| Maximum operating temperature | 60℃ |
| Maximum operating pressure | 1200 psi(83 bar) |
| Maximum pressure drop | 1 bar |
| Continuous operation pH range | 3-14 |
| Cleaning pH range | 2-14 |
| The largest water SDl15 | 5 |
| Maximum influent turbidity | 1 NTU |
| Maximum residual chlorine concentration of influent | ＜0.1 ppm |
PSI MEMBRANE® Pro-Therm series, made from proprietary TFN high-temperature resistant diaphragm and unique high-temperature resistant materials, is specially designed for industrial purification systems.These elements are ideal for hot water disinfection systems, replacing chemical disinfection to enhance product quality and meet regulatory standards.
n Suitable for water purification or process fluid systems in low cross-flow environments without suspended solids.
n Operates efficiently at temperatures up to 70℃ (158℉).
n Ideal for concentrating high-temperature process fluids.
n Customized Salt Selectivity: Customizable salt selectivity to meet the specific needs of various industries.
n High-Efficiency Cleaning: Stable, chemical-resistant cleaning, ensures long-term operational reliability and cost-effectiveness.
n Excellent Anti-fouling Performance : Excellent anti-fouling performance guarantees a long service life.
n Higher Flux: 30% higher flux and lower energy consumption compared to conventional TFC membranes.
| Product | Active Area Ft2(㎡) | Feed Spacer Thickness(mil) | Permeate Flow Rate(m³/d) | Stabilized Salt Rejection(%) |
| Pro-Therm-RO67-8040 | 400(37.2) | 34 | 9000（34.1） | 98 |
| Pro-Therm-NF98-8040 | 400(37.2) | 34 | 6000（22.7） | 98 |
| Pro-Therm-NF96-8040 | 400(37.2) | 34 | 9000（34.1） | 96 |
| Pro-Therm-NF92-8040 | 400(37.2) | 34 | 11000（41.6） | 92 |
| Pro-Therm-NF80-8040 | 400(37.2) | 34 | 12000（45.4） | 80 |
| Pro-Therm-NF35-8040 | 400(37.2) | 34 | 18000（69.8） | 35 |
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1. Permeate flow rate and stabilized salt rejection were based on the following standard test conditions (before any hot water disinfection): For NF membranes – 2000 ppm MgSO4, 0.48 MPa, 25℃, 15% recovery; For RO membranes – 2000 ppm NaCl solution, 1.55 MPa, 25℃, 15% recovery. 2. The variation range of permeate flow rate is +/-15%, and the final water yield may fluctuate more due to the heat treatment process. |
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| Items | Parameter |
| Maximum operating temperature(Disinfection temperature) | 70℃(90℃) |
| Maximum operating pressure | 1200 psi(83 bar) |
| Maximum pressure drop | 1 bar |
| Continuous operation pH range | 3-10 |
| Cleaning pH range | 1-12 |
| The largest water SDl15 | 5 |
| Maximum influent turbidity | 1 NTU |
| Maximum residual chlorine concentration of influent | ＜0.1 ppm |
PSI MEMBRANE® Pro-CR Series of oxidation-resistant spiral membrane elements, crafted from proprietary TFN oxidation-resistant diaphragm and unique oxidation-resistant materials, is specifically designed for water containing oxidizing agents. This design eliminates the need for reducing agents in the system, enhancing efficiency and reducing chemical usage.
n Municipal nanofiltration waterworks
n Rural distributed water supply
n Industrial wastewater recycling
| Product | Active Area Ft2(㎡) | Feed Spacer Thickness(mil) | Permeate Flow Rate(m³/d) | Stabilized Salt Rejection(%) |
Antioxidant Capacity (ppmh） |
| Pro-CR-RO1-8040 | 400(37.2) | 34 | 12500(47.3) | 98 | >500000 |
| Pro-CR-NF1-8040 | 400(37.2) | 34 | 7800(29.5) | 98 | >500000 |
| Pro-CR-NF2-8040 | 400(37.2) | 34 | 9200(34.8) | 96 | >500000 |
| Pro-CR-NF3-8040 | 400(37.2) | 34 | 12800(48.4) | 92 | >500000 |
| Pro-CR-NF4-8040 | 400(37.2) | 34 | 15000(56.8) | 80 | >500000 |
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1.Permeate flow rate and stabilized salt rejection were based on the following standard test conditions: NF membrane (2000ppm MgSO4, 0.48 MPa, 25℃,15% recovery), RO membrane (2000ppm NaCl solution, 1.55 MPa, 25℃,15% recovery) before any hot water disinfection. 2. The variation range of permeate flow rate is +/-15%, and the final water yield may fluctuate more due to the heat treatment process. |
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