PSI MEMBRANE® Thin Film Nanocomposite (TFN)
Loose Nanofiltration or Compact Ultrafiltration Membrane
UNF TFN Series Introducing a breakthrough in membrane technology, the UNF series leverages state-of-the-art Thin Film Nanocomposite (TFN) technology. Our membranes feature an ultra-thin, nano-level hydrophilic coating that revolutionizes anti-fouling performance. Experience flux rates up to four times greater than standard TFC membranes, all while operating at a minimum of 50% lower pressure. UNF membranes are your ideal upgrade from traditional TFC options.
Key features:
Precision at its Best Higher
Enjoy a multitude of precisely engineered cutting molecules, ensuring each membrane meets the exact specifications and demands of every unique customer application.
Unmatched Efficiency
Benefit from our unmatched efficiency, achieving product flow rates up to four times higher than leading imported brands. This translates to exceptional energy savings and reduced project costs.
Superior Selective Separation
Enjoy unparalleled selectivity, efficiently filtering out most colloidal iron, colloidal silicon, humic acid, and a wide range of dissolved organic matter (DOM), while still allowing the flow of essential inorganic single and bivalent ions.
Industrial Minimum- and Zero-Liquid Discharge (MLD/ZLD)
Key Applications:
Industrial Minimum- and Zero-Liquid Discharge (MLD/ZLD)
Perfect for industrial resource recovery and recycling processes in fields such as steel & metals, precious metals, chemical, medical, pharmaceutical, as well as food & petrochemical industries.
Water softening
Chlor-alkali processing
Landfill leachate de-coloring
| Product |
Effective Membrane area
ft² (m²) |
Feed spacer thickness
(mil) |
Product Flow Rate¹
²gpd( m³/d) |
Stable Salt Rejection¹
(%) |
| UNF500-8040 |
400(37.2) |
34 |
7400(28.0) |
95 |
| UNF1000-8040 |
400(37.2) |
34 |
7400(28.0) |
95 |
| UNF2000-8040 |
400(37.2) |
34 |
7400(28.0) |
95 |
| UNF3000-8040 |
400(37.2) |
34 |
8000(30.3) |
95 |
| UNF5000-8040 |
400(37.2) |
34 |
16000(60.6) |
95 |
1. For assuring peak performance, both permeate flow rate and stabilized salt rejection metrics are based on meticulously tested standard conditions:
NF membrane (2000ppm MgSO4, 0.48 MPa, 25ºC, 15% recovery), RO membrane (2000ppm NaCl solution,
1.55 MPa, 25ºC, 15% recovery) before undergoing any hot water disinfection.
2. Please be advised that permeate flow variation is within a range of +/-15%, with potential additional fluctuations in final water yield due to
the specific heat treatment processes applied.
SIZE: mm
| Model |
A |
B |
C |
| 4040 |
1016 |
100.3 |
19.1 |
| 8040 |
1016 |
200 |
28.6 |
Industry Applications
ProshareProshare Innovation Suzhou Co., Ltd. stands as a beacon of technical mastery, having amassed a treasure trove of experience in providing bespoke, high-performance solutions for the industrial sector's pure water needs. Our unparalleled expertise covers a spectrum of applications from complex industrial processes to wastewater treatment, reuse, and resource recycling, ensuring pristine water quality.
We are passionately involved in a diverse range of pivotal sectors. Our footprint extends across the petrochemical industry, mining, extraction of lithium from salt lakes, and recycling of lithium iron phosphate and lithium batteries, to the precision-driven fields of semiconductors, seawater desalination, reclaimed water, leachate management, synthetic biology, copper foil production, pharmaceuticals, and the power generation sectors.
Our proficiency spans a multitude of applications including steam boiler feeding and the food & beverage sector (encompassing mineral water bottling, soft drinks, and juices). We also serve the painting industry, dairy processing, ice cream production, laundry services, hospitals, textiles, mechanical industries, and steel production, among many other sectors.
Hospitality/Seawater and Brackish Water Desalination Applications
Drawing on our extensive knowledge in desalination technology, Proshare has successfully implemented advanced water desalination solutions for civil use in hotels and resorts. Facing the pressing demand for fresh water, our R.O. seawater and brackish water desalination systems offer a sophisticated and dependable solution that efficiently caters to the increasing needs of rapidly growing tourist hubs.
Municipal and Civil Use
We are devoted to offering groundbreaking, scalable, and environmentally conscious solutions for the effective and sustainable treatment of wastewater and effluents. Our extensive portfolio, featuring patented innovations and backed by national-level experts and scientific research bodies, assures municipalities of full compliance with the most stringent health and environmental regulations. Our dedication is unwavering in enhancing our sanitation systems, guided by real-time insights from our skilled field engineers.
Our deep-rooted expertise in sewage treatment is a key pillar of our ability to support your sustainable development goals. As a frontrunner in sustainable advancement, we present a wide variety of solutions, including:
State-of-the-art sanitation technologies.
Pioneering recovery of reusable materials from wastewater.
Farming Applications
To ensure optimal health and production in livestock such as cattle, chickens, sheep, and pigs, water quality is paramount, rivaling its availability. Premium water quality is essential for promoting the desired growth rates and maximizing the animals' performance.
Farm water can stem from various sources including water wells, civil water networks, and at times, rivers or other surface waters, each bearing unique qualities.
Excluding the chlorine-treated water from civil networks, alternative sources often harbor high levels of dissolved and suspended solids and pathogens. Reverse osmosis technology emerges as the premier solution to mitigate these impurities. It is vital that farm water, especially from non-civil origins, undergo technological treatment to reduce harmful constituents, securing the health and safety of the animals.
Successful Cases Reference
Proshare PSI MEMBRANE Desalination RO Membrane Serves Desalination in Cruise Ship
Historically, the realm of international luxury cruise ships and their demand for desalination membranes has been dominated by established global giants. As these majestic vessels navigate diverse waters, they encounter fluctuating salinity and temperature in the feed water, necessitating membranes that adapt fluidly to such conditions. Proshare's state-of-the-art membranes provide steadfast water production, seamlessly meeting the stringent requirements of these oceanic titans, even amidst such variable challenges.
The PSI MEMBRANE Pro-HR-SW seawater desalination membranes have redefined industry standards with their remarkable desalination efficiency and unwavering stability in water production. These membranes not only meet but also exceed the high-quality water standards demanded by luxury cruise liners, ensuring unparalleled performance and reliability.
This remarkable accomplishment has propelled the replacement of existing desalination membranes on three additional cruise ships. Proshare's success in this venture marks a significant milestone, positioning it as the pioneering national brand to secure orders from the prestigious international luxury cruise ship market for desalination RO membranes.
AComplete Water Treatment Plant for Generating Ultra-pure Water in the Semiconductor Industry
The standards for electronic-grade ultra-pure water, especially in membrane desalination, are exceedingly high, with only a few distinguished brands capable of fulfilling these rigorous demands.
Harnessing Proshare's revolutionary TFN membrane technology alongside the TsingXi team's vast expertise in water treatment, our comprehensive water treatment plant delivers equipment solutions that stand out with superior salt, boron, and TOC rejection. This system achieves water production that aligns with the semiconductor industry's stringent requirements for pure water.
This successful breakthrough has paved the way for us to win the electronic ultra-pure water treatment project from a leading Japanese listed company, underscoring our excellence.
ProshareTailor-made TFN Special Acid-resistant and High-pressure Membranes for Wastewater Treatment in Petrochemical / Refining, Achieving Truly Zero Liquid Discharge
Proshare Crafted with precision, the tailor-made TFN special acid-resistant and high-pressure membranes are optimized forwastewater treatment in ammonium sulphate desulphurisation processes, reaching an impressive concentration level up to 40 times with an ammonium sulphate concentration of ≥ 20% in the concentrated water. This innovation significantly minimizes energy usage for subsequent evaporation and crystallization, offering remarkable cost-efficiency. The resulting water quality meets the corporate standard Q/SH 0628.2-2014 for circulating water make-up water of China Petroleum and Chemical Corporation, ensuring zero wastewater discharge into the environment.
This exceptional achievement has triggered a surge of subsequent orders from other group subsidiaries, reflecting the membrane's compelling value proposition.
This advanced membrane technology is also adaptable to other demanding high-temperature, highly acidic wastewater scenarios containing ammonium sulphate. It finds applications across several industries, including energy, refining, chemical, and metallurgy. The fusion of cutting-edge ammonia desulphurization technology with carbon capture bolsters new energy consumption and fosters the evolution of a sustainable green industry chain, aligning seamlessly with the national 'dual-carbon policy.'
Proshare TFN-SEP Customized NF Membrane Dramatically Boosts Lithium Permeate Rate up to 96.6%, Retention Rate of Mg2+ > 99%, Retention Rate Ca2+ > 98%
Technical Bottlenecksof Membrane Separation (Nanofiltration/Reverse Osmosis) in Lithium Extraction from Salt Lakes challenged by membranefouling,lowsWith an electrical efficiency under 80%, Proshare sees a golden opportunity for growth, leading to cutting-edge optimizations that promise to elevate our product's performance to new heights.HighenergyConsumption is projected to account for 30%-40% of total operational costs, presenting an enticing opportunity for impactful cost-saving innovations.ShortMembranelifespan, with an estimated durability of 2-3 years, offers a robust and reliable solution tailored for a wide array of applications.
Proshare PSI MEMBRANE TFN-SEP Customized NF/RO Membrane
has showcased exceptionalperformanceData in a landmark lithiumextraction project nestled in theuntouched Lakkor Tso Salt Lake , Tibet, China:
By implementing a streamlined 2-stage Nanofiltrationprocess coupled with a 1-stage RO, we deliver production water featuring Mg2+ at a minimal 2.9mg/L and Ca2+ at 2.25mg/L. The retention rate for Mg2+ impressively surpasses 99%, while Ca2+ retention is over 98%. Moreover, the lithiumpermeate rate achieves a remarkable 96.6%, with flux approaching 20LMH under a pressure of 1MPa, demonstrating superior performance.Our state-of-the-art membrane technology, both environmentally and economically conscious, sets new standards for enhancing product purity and elevating quality.
ProshareRevolutionizing Reverse Osmosis Membrane Technology with Our Team's Breakthrough
ProshareOur pioneering team has achieved a remarkable breakthrough in the development of next-generation reverse osmosis membranes. By harnessing the sophisticated capabilities of polymer interface nano-self-assembly technology, we have expertly navigated and overcome the typical challenges inherent in traditional membrane development, leading to two transformative advancements:
Ultra-Thin Separation Layer: Leveraging the cutting-edge power of polymer interface nanotechnology, our team has masterfully crafted a remarkably thinner separation layer-at least three times thinner than conventional polyamide thin films, which were previously limited to 100 nm. This groundbreaking reduction in thickness results in a significant amplification of water flux, culminating in an outstanding enhancement in permeability.
Improved Performance: By innovatively incorporating nanoparticles and specialized hydrophilic polymers, we have accomplished extraordinary progress in elevating the membrane's hydrophilicity, anti-fouling properties, durability, and resistance to oxidation.
When compared to traditional polyamide reverse osmosis membranes,Proshare's cutting-edge innovation is evident through breakthroughs across four critical aspects:
Self-Assembled Nanocomposite Films
The precise fusion of nano-scale control with nano-doping modification facilitates the formation of ultra-thin, meticulously ordered separation layers via polymer interface nanotechnology. This revolutionary approach surpasses the constraints of thickness uniformity and material diversity that are characteristic of conventional polyamide membranes.
Enhanced Water Flux and Unmatched Energy Efficiency
Through meticulous optimization of the layer-by-layer self-assembly process, we have precisely regulated the functional layer thickness, achieving an impressive 3x reduction compared to traditional membranes. This strategic advancement results in >3x higher water flux and 30% lower energy consumption.
Novel Polymer Materials with Unparalleled Chemical Stability
Departing from polyamide, our team employs advanced hydrophilic polymers, such as modified polysulfones, along with ceramic-organic hybrids. These state-of-the-art materials demonstrate superior oxidation resistance (withstanding exposure to 10 ppm chlorine) and pH tolerance (maintaining stability within the 1-12 pH range).
Advanced Anti-Fouling Surface Engineering
Our superhydrophilic surface, featuring a contact angle of less than 10° and reinforced by nanoparticles, significantly reduces the likelihood of organic fouling by 50%. This remarkable innovation extends chemical cleaning cycles from 3 months to 6 months, while reducing maintenance costs by an impressive 40%.
Health & Safety Management System Certificate, Environmental Management System Certificate, ISO 9001 Quality System Certificate Proshare Innovation Suzhou Co., Ltd. stands as a beacon of excellence, proudly showcasing our unwavering commitment to the pinnacle of industry standards. Our prestigious certifications reflect a robust health and safety management system, demonstrating our dedication to safeguarding well-being. We exhibit an unwavering commitment to preserving the environment, and our steadfast adherence to ISO 9001 quality management protocols sets us apart. This trifecta of certifications not only highlights our proactive approach to comprehensive management systems but also reinforces our ironclad promise to deliver products and services of exceptional quality and reliability.
Invention Patent of Membranes Production, Invention Patent of Multi-Layer RO Membrane, Utility Model Patent Certificates At Proshare Innovation Suzhou Co., Ltd., innovation isn't just a buzzword-it's our enduring legacy. Our impressive portfolio of patents epitomizes our relentless pursuit of technological advancement. From pioneering innovations in membrane production to the cutting-edge development of multi-layer RO membranes, our patents are a testament to our leadership at the forefront of transformative technologies. We are true pioneers, consistently reshaping the future landscape of the industry with our inventive spirit and ingenious solutions, propelling us toward new frontiers.
Proshare Innovation SuzhouCo., Ltd. stands prominently as a beacon of state-of-the-art technology in the dynamic field of water purification. This prestigious national high-tech enterprise is steadfastly committed to spearheading advancements in third-generation thin-film nanocomposite (TFN) membranes. These membranes are meticulously engineered for optimal performance in reverse osmosis (RO), nanofiltration (NF), and other imperative material separation applications. Founded in the vibrant year of 2017 by a team of visionary doctoral experts who returned from overseas, and under the astute leadership of the illustrious Dr. Lin Xiaofeng-acclaimed with numerous national-level talent accolades-Proshare Innovation has proudly marked its territory as China's sole domestic manufacturer of these groundbreaking TFN membranes.
Core Competencies
Technological Innovation: As trailblazers in the sector, we have seamlessly integrated TFN technology into nanofiltration membranes, achieving full autonomy in research and development. Our cutting-edge facilities guarantee the localization of both membrane production and the associated equipment, establishing new industry standards and setting unparalleled benchmarks.
Intellectual Property: With an extraordinary portfolio of over 31 patents, our membrane performance not only meets but exceeds global standards, effectively supplanting previously dominant foreign products and forging new industry paradigms.
Production Capacity: We proudly manage a sophisticated 2,000 m² R&D facility complemented by an expansive15,000 m² production base, strategically designed to satisfy surging demands for our avant-garde solutions.
Funding: We have triumphantly secured Pre-A Round (2023) and A Round (January 2025) financing, robustly backed by Suzhou Industrial Park Science Innovation Fund and Yong Sheng Capital, bolstering our financial foundation and propelling our growth trajectory.
Market Recognition: Our standing as a preferred supplier for esteemed listed environmental engineering firms and state-owned enterprises underscores not only our market leadership but also the profound trust our clientele places in us.
Leadership:Dr. Lin Xiaofeng, an esteemed Ph.D. alumnus from the prestigious University of Strasbourg in France, has been adorned with numerous accolades, including Suzhou Leading Talent and Jiangsu Dual Innovation Talent honors. Under his dynamic leadership, the company's R&D efforts in TFN membrane industrialization are continually breaking new ground.
WHY US?
FAQ:
(1) Q: Why Choose Our Company?
A: We provide all-encompassing water treatment solutions that are reshaping the industry landscape.
Our pioneering Thin Film Nanocomposite (TFN) membrane sheets, membrane elements, and comprehensive water treatment systems deliver unrivaled solutions for customers seeking breakthrough technology.
A: Customization capabilities
Our solutions are expertly reinforced by national specialist teams and the esteemed Tsinghua University Suzhou Environmental Innovation, ensuring customized solutions for unique customer requirements.
A: Ensuring quality and delivering value.
Our premium solutions not only assure outstanding quality,but they also offer an impressive return on investment (ROI) for our clients. We provide comprehensive training, support, and services, extending our local expertise to a global scale.Our approach is to provide thorough training, robust support, and unparalleled services, leveraging our local expertise on a worldwide platform.
A: Collaborating with our customers
We draw inspiration from our customers, who labor tirelessly to deliver the invaluable gift of clean water. Together, we strive for a world enhanced by water solutions, ensuring a brighter, more sustainable future.
(2) Q: Are you a manufacturer or Trade Company?
A: As a distinguished and professional manufacturer boasting our very own International Trade Department, we have cultivated a distinctive expertise in understanding customer needs. This allows us to offer highly competitive pricing tailored to meet market demands.
(3) Q: How's the after-sale service?
A: Our committed team of engineers stands ready to provide exceptional on-site service across the globe. This is complemented by the diligent supervision of our experienced merchandisers and proficient translation services, ensuring seamless and effective support.
(4) Q: How about the quality?
A: Our unwavering commitment to quality assurance is reflected in our strategic sourcing of primary sub-assemblies and raw materials from renowned leaders in the industry. Our core components are innovatively engineered in-house by our skilled team, supporting a professional assembly line and rigorous quality testing that upholds the highest standards of excellence.
(5) Q: Product /Quality Guarantee and After Sale Service?
A: Experience unmatched assurance with our all-encompassing 1-year warranty that adheres to International standards. Our dedicated online support team is available around the clock, 24/7, to address all your inquiries and ensure your complete satisfaction with our machine.
(6) Q: Certification?
A: With immense pride, Tsingxi is a respected company that holds distinguished certifications including ISO9001, ISO14001, and ISO45001. Our meticulously designed products comply with stringent technical standards such as 3C and CE, and each product receives official certification from the Industry Administration Authority, underscoring our dedication to superior quality and safety.Tsingxi is steadfast in its mission to evolve as a more formidable high-tech entity in the ever-evolving global water treatment market, consistently setting new benchmarks for innovation and reliability.
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