PSI MEMBRANE® Pro-FR Thin Film Nanocomposite (TFN) Anti-Fouling Membrane Our advanced membrane is the perfect choice for reverse osmosis plants tackling the most challenging water and wastewater issues. It offers a superior membrane solution with exceptional water purity, enhanced fouling resistance, and reduced energy consumption.
Key Features:
- Achieves up to 30% lower Pressures :Guaranteed Performance: Ensures excellent salt-rejection with significantly 30% lower operating pressures.
- Reduced Cleaning Frequency:The outstanding anti-fouling capabilities of the TFN membrane greatly diminish microorganisms and inorganic pollutants, leading to significantly reduced cleaning frequency.
- Extensive Cleaning pH Range:Delivers the most effective cleaning performance, unmatched robustness, and durability thanks to its broad cleaning pH range and superior chemical tolerance.
Key Applications:
Perfect for softening, producing pure water, and water reuse in industries such as
pharmaceuticals, electronics, power, petrochemical, refineries, food & beverage, municipal, and more.
| Product |
Effective Membrane area
ft² (m²) |
Feed spacer thickness (mil) |
Product Flow Rate ¹
²g p d( m ³/d) |
Stable Salt Rejection¹
(%) |
Minimum Salt Rejection1
(%)
|
| Pro-FR-4040F34³ |
82(7.6) |
34 |
2400(9.1) |
99.7 |
99.4 |
| Pro-FR-8040F34³ |
400(37) |
34 |
11000(41.6) |
99.7 |
99.4 |
1. The product flow rate and salt rejection rate were meticulously determined under the outlined test conditions:
Feed water concentration was maintained at 2000 ppm as NaCl, with a consistent feed water pressure of 225 psi (1.55 MPa), and a controlled feed water temperature of 77 °F (25 °C). The recovery rate was set at 15% for each single membrane, ensuring optimal performance.
2. The product flow variation range is +/-15%, providing flexibility while maintaining high efficiency.
3. The F34 model features a robust fiberglass wrapped case with a mesh thickness of 34 mil. We offer additional options in case materials, mesh configurations, and membrane elements to suit diverse needs.
Operating Condition:
| Operating Limits |
Unit |
Value |
| Maximum operatingpressure |
psi(bar) |
600(41) |
| Maximumfeed water temperature |
°F(°C) |
113(45) |
| Maximum pressure drop |
bar |
1 |
| ContinuousoperationpH range |
|
2~11 |
| Cleaning PH range |
|
1~13 |
| Maximum feed watere SDl15 |
|
5 |
| Maximum influent turbidity |
ntu |
1 |
| Maximum residual chlorine concentration of influent |
ppm |
<0.1 |
SIZE: mm
| Model |
A |
B |
C |
| Pro-FR-4040F34 |
1016 |
100.3 |
19.1 |
| Pro-FR-8040F34 |
1016 |
200 |
28.6 |
Industry Applications
Proshare Proshare has amassed a wealth of invaluable experience by delivering impeccable technical solutions to the industrial sector. In environments where water quality must be absolutely pristine for various industrial processes, Proshare excels in wastewater treatment, reuse, and resource recycling.
Our expertise spans a diverse array of industry sectors, including petrochemicals, mining, lithium extraction from salt lakes, lithium iron phosphate & lithium battery recycling, semiconductors, seawater desalinization, reclaiming, leachate processing, synthetic biology, copper foil production, pharmaceuticals, and power generation.
Beyond these industries, Proshare also caters to steam boilers, food & beverages production (including mineral water bottling, soft drinks, and juices), painting lines, dairy, ice cream, laundries, hospitals, textiles, mechanical industries, and steel companies.
Hospitality/Seawater and Brackish Water Desalination Applications
Proshare leverages its extensive experience in cutting-edge desalination technology to serve the water needs of civil infrastructures in hotels and tourist resorts. As fresh water supply is crucial, our R.O. sea water and brackish water desalination solutions are perfectly tailored to meet the growing demands of rapidly expanding touristic areas.
Farming applications
In farming, water is a critical resource to ensure the health and vitality of animals such as cattle, chickens, sheep, and pigs, leading to optimal productivity. Both the quantity and quality of water are vital in promoting the desired growth of livestock.
Water utilized on farms originates from diverse sources, including water wells, municipal water networks, and, to a lesser extent, rivers and other surface sources.
Apart from water from municipal networks, which contain free chlorine, other sources often harbor high levels of dissolved and suspended solids and pathogens. Reverse osmosis technology has proven to be supremely effective in mitigating these adverse effects, treating contaminated farm water to reduce harmful substances for the animals.
Municipal and Civil use
We offer groundbreaking and adaptable solutions for the efficient and eco-friendly treatment of wastewater and effluents. Our extensive array of patented technologies and collaborations with national-level experts and scientific research bodies provide a robust framework for municipalities to adhere to stringent health and environmental regulations, ensuring peace of mind.
Our proficiency in sewage treatment is a cornerstone of our commitment to helping you achieve your sustainable development objectives. As a leader in sustainable innovation, we offer a comprehensive suite of solutions, including:
Advanced sanitation technologies.
Recovery and reuse of valuable wastewater materials.
Discover the Excellence of Proshare's PSI MEMBRANE Introducing the Desalination RO Membrane Pioneering Solutions for Desalination in Luxury Cruise Ships
The deployment of desalination membranes on international luxury cruise ships has traditionally been dominated by a select few international brands. As these majestic vessels navigate the vast oceans, the quality of feed water, including salinity and temperature, continuously changes. Thus, the membranes must be versatile, adapting seamlessly to diverse conditions to ensure uninterrupted and stable water production, meeting the rigorous demands of ocean-going voyages.
PSI MEMBRANE Pro-HR-SW seawater desalination membranes have exhibited remarkable performance, excelling in both desalination rate and consistent water production. The water quality achieved by these advanced membranes not only meets but exceeds the stringent standards set by luxury cruise ships.
This extraordinary achievement led to the adoption of Proshare's desalination membranes on three additional cruise liners. Proshare's triumph solidifies its status as the pioneering national brand to secure international luxury cruise ship orders for desalination RO membranes.
A Complete Water Treatment Plant for Semiconductor Industry's Ultra-Pure Water Needs
In the high-tech world of semiconductor manufacturing, the requirements for electronic-grade ultra-pure water are exceptionally stringent, with only a handful of brands able to meet such rigorous standards.
With Proshare's groundbreaking TFN membrane technology and the TsingXi team's extensive expertise in water treatment, our comprehensive water treatment plant solutions have demonstrated exceptional salt, boron, and TOC rejection performance. The system's water production now meets the demanding specifications of the semiconductor industry.
This successful outcome paved the way for us to secure an electronic ultra-pure water treatment project from a prominent Japanese listed company.
Proshare Custom-Designed TFN Special Acid-Resistant and High-Pressure Membranes for Wastewater Treatment in Petrochemical & Refining - Achieving Zero Liquid Discharge
ProshareCustom-Designed TFN Special Acid-Resistant Membranes for wastewater treatment involving ammonium sulfate desulfurization. This technology achieves a concentration of wastewater up to 40 times, with ammonium sulfate concentration reaching ≥ 20% in the concentrated water. This significantly reduces energy consumption during subsequent evaporation and crystallization, resulting in substantial cost savings for users. The water quality produced reliably meets the China Petroleum and Chemical Corporation corporate standard Q/SH 0628.2-2014 for circulating water make-up. Moreover, zero wastewater discharge has been realized.
This positive outcome has prompted additional orders from other subsidiaries within the group.
These membranes are also suitable for other high-temperature, highly acidic wastewater scenarios containing ammonium sulfate, across industries such as energy, refining, chemicals, and metallurgy. The latest ammonia desulfurization technology integrated with carbon capture supports new energy consumption trends and the advancement of the green industry chain, aligning with national 'dual-carbon' policies.
Proshare TFN-SEP Customized NF Membrane Revolutionizes Lithium Extraction, Boosting Permeate Rate to 96.6%,achieving a Mg2+ retention rate of over 99%, and aCa2+ retention rate exceeding 98%
Overcoming Technical Challenges of Membrane Separation (Nanofiltration/Reverse Osmosis) in Extracting Lithium from Salt Lakes Faced with MembraneFouling ChallengesandOw SElectivity < 80%,High Energy Consumption accounts for 30%-40% of the total cost,Short Membrane Lifespan 2-3 years.
Proshare PSI MEMBRANE TFN-SEP Customized NF /RO Membrane
demonstrated superior Performance Data in an Lithium Extraction project located in Lakkor Tso Salt Lake , Tibet, China:
With only a 2-stage Nanofiltration process + 1 stage RO providing production water with Mg2+ at 2.9 mg/L, Ca2+ at 2.25 mg/L, retention rate of Mg2+ > 99%, retention rate of Ca2+ > 98%, lithium permeate rate at 96.6%, with the flux nearing 20 LMH under an operating pressure of 1 MPa.Proven membrane technology is environmentally and economically friendly and enhances product purity and quality.
Proshare Team's Breakthrough in Next-Generation Reverse Osmosis Membrane Technology
Proshare Our team has ingeniously pioneered a fresh generation of reverse osmosis membranes, harnessing the cutting-edge power of polymer interface nano-self-assembly technology. This innovation triumphantly surpasses the constraints of conventional reverse osmosis membrane development, unveiling two monumental advancements:
a. Ultra-Thin Separation Layer: Through the adept use of polymer interface nanotechnology, our team has masterfully minimized the separation layer's thickness to an impressive one-third of the traditional polyamide thin film. This revolutionary feat remarkably boosts water flux, heralding a significant leap in permeability.
b. Enhanced Performance: The strategic incorporation of nanoparticles and specialized hydrophilic polymers has ushered in groundbreaking enhancements in the membrane's hydrophilicity, anti-fouling prowess, durability, and oxidation resilience.
Compared to traditional polyamide reverse osmosis membranes, Proshare's innovation illuminates breakthroughs in four pivotal spheres:
Self-Assembled Nanocomposite Films
The fusion of nano-scale precision control with nano-doping modification crafts ultra-thin, impeccably ordered separation layers via polymer interface nanotechnology. This innovative approach triumphs over the limitations of standard polyamide membranes in thickness uniformity and material diversity.
Enhanced Water Flux and Energy Efficiency
By refining the layer-by-layer self-assembly process, the functional layer thickness is meticulously regulated, achieving a remarkable 3x reduction compared to traditional membranes. This breakthrough translates to >3x higher water flux and 30% lower energy consumption.
Novel Polymer Materials with Superior Chemical Stability
Evolving beyond polyamide, our team applies avant-garde hydrophilic polymers, such as modified polysulfones, in tandem with ceramic-organic hybrids. These cutting-edge materials exhibit outstanding oxidation resistance (withstanding exposure to 10 ppm chlorine) and pH tolerance (maintaining stability across a 1-12 pH range).
Anti-Fouling Surface Engineering
The ultra-hydrophilic surface (boasting a contact angle of less than 10°), fortified with nanoparticle enhancements, slashes organic fouling propensity by an impressive 50%. This advancement extends chemical cleaning cycles from 3 months to an astonishing 6 months, while cutting maintenance costs by a substantial 40%.
Our commitment to excellence is proven by our prestigious certifications: we proudly hold the Health & Safety Management System Certificate, ensuring the highest standards of workplace safety. Furthermore, our dedication to sustainability is recognized with the Environmental Management System Certificate. Complementing these accolades, our ISO 9001 Quality System Certificate underscores our unwavering commitment to maintaining superior quality across all operations.
We are innovators in the field, with cutting-edge Invention Patents for our membrane production technologies and our advanced multi-layer RO membrane. Additionally, our commitment to environmental responsibility is demonstrated through our RoHS Compliance Certificate, assuring you that our products adhere to strict environmental and safety standards.
Proshare Innovation Suzhou Co., Ltd. is a national high-tech enterprise specializing in the R&D and industrialization of third-generation thin-film nanocomposite (TFN) membranes for reverse osmosis (RO), nanofiltration (NF), and material separation applications. Founded in 2017 by a team of overseas-returned doctoral experts led by Dr. Lin Xiaofeng, a recipient of national-level talent programs, the company has emerged as China's sole domestic manufacturer of TFN membranes.
Core Competencies
Technological Innovation: Pioneered the application of TFN technology to nanofiltration membranes, achieving fully independent R&D and localized production of both membranes and manufacturing equipment.
Intellectual Property: Holds over 31 patents, with membrane performance reaching internationally leading standards and replacing monopolized foreign products.
Production Capacity: Operates a 2,000 m² R&D facility and a 15,000 m² production base.
Funding: Completed Pre-A Round (2023) and A Round (January 2025) financing, backed by Suzhou Industrial Park Science Innovation Fund and Yong Sheng Capital.
Market Recognition: Designated as a preferred supplier for listed environmental engineering firms and state-owned enterprises.
Leadership:Dr. Lin Xiaofeng, a Ph.D. graduate from the University of Strasbourg (France), has been recognized with provincial and national talent awards (e.g., Suzhou Leading Talent, Jiangsu Dual Innovation Talent) and leads the company's R&D breakthroughs in TFN membrane industrialization.
WHY US?
(1) Q: Why Choose Our Company?
A:Complete water treatment solutions
Provide customer revolutionary (Thin Film Nanocomposite) TFN membrane sheet ,membrane element and water treatment system solutions.
A:Customization capabilities
Backup by national expert teams and Tsinghua University Suzhou Environmental Innovation.
A:Ensuring quality and delivering worth.
Not only do our premium solutions ,but can also provide significant ROI for customers,We provide training, support, and services, and bring our local expertise to global markets.
A:Collaborating with our customers
Our inspiration comes from our customers and what they do every day to provide the most valuable source of hope -clean water.Thriving together for a water-optimized world.
(2)Q: Are you a manufacturer or Trade Company?
A: We are a professional manufacturer holding our own International Trade Department, for that we can better understand customer's needs and offer a reasonable price.
(3) Q: How's the after-sale service?
A: We offer engineers available to service overseas under merchandiser's supervision and translation.
(4) Q: How about the quality?
A: The main sub-assembly and raw materials are all supplied by large companies. Key parts are research and developed by our own staff. Professional assembly line work and strict quality test system can ensure your high quality requirement.
(5) Q: Product /Quality Guarantee and After Sale Service?
A: 1 year warranty for the International standard. We are work online 24 hours. If you have any questions about our machine you can contact us.
(6) Q: Certification?
A: Tsingxi proudly upholds rigorous standards as an ISO9001, ISO14001, and ISO45001 certified company. Our meticulously crafted products not only meet but exceed the prestigious technical standards of 3C and CE. Each item is thoroughly vetted and certified by the authoritative Industry Administration Authority, ensuring unparalleled quality and reliability. Tsingxi remains steadfast in its commitment to advancing as a formidable leader in the high-tech water treatment sector on a global scale, continually pushing the boundaries of innovation and excellence.
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