PSI MEMBRANE® Thin Film Nanocomposite (TFN)
Loose Nanofiltration or Compact Ultrafiltration Membrane
UNF TFN Series Embrace cutting-edge performance with the UNF series, a marvel of modern engineering that employs advanced Thin Film Nanocomposite (TFN) technology. This series features an ultra-thin, nano-level hydrophilic coating, providing stellar anti-fouling capabilities. Revel in flux rates that soar four times higher than conventional TFC membranes, all while enjoying operation at a remarkably reduced pressure-at least 50% lower. An ideal, high-efficiency replacement for traditional TFC membranes.
Key features:
Precision at its Best Higher
Pioneering precision meets versatility, with multiple precise cutting molecules expertly tailored to suit bespoke customer needs.
Unmatched Efficiency
Experience unparalleled efficiency with product flow rates reaching up to four times those of leading imported alternatives, drastically slashing both energy consumption and overall project costs.
Superior Selective Separation
Showcasing ultra-high selectivity, these membranes effectively eliminate the majority of colloidal iron, colloidal silicon, humic acid, and other dissolved organic materials (DOM), while effortlessly allowing the passage of inorganic monovalent and divalent ions.
Industrial Minimum- and Zero-Liquid Discharge (MLD/ZLD)
Key Applications:
Industrial Minimum- and Zero-Liquid Discharge (MLD/ZLD)
Optimize industrial resource recovery and recycling efforts across diverse sectors including steel & metals, precious metals, chemical, medical, pharmaceutical, food, and 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 peak performance assurance, permeate flow rate and stabilized salt rejection are meticulously benchmarked under the following standard conditions:
NF membrane (2000ppm MgSO4, 0.48 MPa, 25ºC, 15% recovery), RO membrane (2000ppm NaCl solution,
1.55 MPa, 25ºC, 15% recovery), preceding any high-temperature water disinfection.
2. Kindly note, permeate flow variation ranges are +/-15%, with final water yield potentially subject to further variations due to
the involved heat treatment process.
SIZE: mm
| Model |
A |
B |
C |
| 4040 |
1016 |
100.3 |
19.1 |
| 8040 |
1016 |
200 |
28.6 |
Industrial Deployments
ProshareProshare Innovation Suzhou Co., Ltd. stands as a beacon of expertise, amassing extensive experience in delivering unmatched technical solutions uniquely crafted for industrial applications. Catering to the critical pursuit of ultra-pure water, our solutions are indispensable for complex industrial operations, advanced wastewater treatment and reuse, and innovative resource recycling. Our unmatched proficiency ensures that we remain a leader in these domains.
We are deeply involved in an array of influential industry sectors. From the petrochemical and mining industries to lithium extraction from salt lakes, lithium iron phosphate, and lithium battery recycling, our reach extends to semiconductors, seawater desalination, reclaimed water and leachate management, synthetic biology projects, copper foil production, pharmaceuticals, and the power generation sector.
Our skillset encompasses an extensive range of applications, including feeding steam boilers, and catering to the food & beverage sector (covering mineral water bottling, soft drink production, and juices). We also serve painting lines, dairies, ice cream manufacturing, laundries, hospitals, textile industries, mechanical industries, and steel companies, among others, ensuring they operate with top-tier water quality.
Hospitality and Advanced Seawater & Brackish Water Desalination Solutions
Proshare's profound proficiency in desalination technology has found remarkable success within the sphere of civil water desalination, particularly in hotels and tourist resorts. Given the paramount importance of a dependable fresh water supply in these establishments, our advanced R.O. sea water and brackish water desalination solutions stand as sophisticated and dependable alternatives, perfectly addressing the growing demands of booming tourist destinations.
Public and Municipal Applications
We are steadfast in our pledge to provide pioneering, scalable, and eco-conscious solutions for the effective treatment of wastewater and effluents. Our expansive suite of offerings, which includes patented technologies supported by national-level authorities and scientific research entities, guarantees municipalities adherence to the highest health and environmental standards. Our commitment to enhancing sanitation systems is unwavering, fuelled by systematic, real-time insights from our field engineers.
Our deep-seated expertise in sewage treatment is fundamental to empowering clients in realizing their sustainable development goals. As champions of sustainable development, we deliver a wide spectrum of solutions, such as:
Revolutionary Sanitation Technologies
Advanced Methods for Recovering Reusable Materials from Wastewater
Agricultural Uses
Ensuring the utmost in animal health and productivity, for species including cattle, chickens, sheep, and pigs, depends critically on the quality of water provided. Premium water quality is integral to achieving optimal growth and maximizing animal performance.
Farm water sources are diverse, encompassing water wells, municipal water networks, and occasionally rivers and other surface sources, each possessing unique qualities.
Aside from chlorine-treated municipal network water, other sources often contain elevated levels of dissolved and suspended solids, along with pathogens. Reverse osmosis technology emerges as the premier solution for alleviating these contaminants. It is crucial for farm water, particularly from non-municipal origins, to undergo technological treatment to reduce harmful substances, safeguarding animal well-being and ensuring safety.
Successful Cases Reference
Proshare PSI MEMBRANE Desalination RO Membrane Serves Desalination in Cruise Ship
Historically, the realm of desalination membranes for luxury cruise ships has been dominated by well-established international brands. These majestic vessels sail through diverse waters where salinity and temperature fluctuate, requiring membranes that adapt seamlessly to varying conditions. Proshare's innovative membranes triumph in delivering reliable water production, meeting the exacting demands of ocean liners amidst these complexities.
The PSI MEMBRANE Pro-HR-SW seawater desalination membranes have redefined excellence with their remarkable desalination rate and exceptional stability in water production. These membranes not only exceed the stringent water quality benchmarks of luxury liners but also ensure unparalleled performance for the opulent cruise industry.
This remarkable success has prompted the replacement of existing desalination membranes on three additional cruise ships. Proshare's achievement in this sector establishes it as the first national brand to win prestigious international luxury cruise ship orders for desalination RO membranes.
AComplete Water Treatment Plant for Generating Ultra-pure Water in the Semiconductor Industry
The demand for electronic-grade ultra-pure water, particularly in membrane desalination, is highly stringent, with only an elite selection of brands capable of fulfilling these high standards.
By harnessing Proshare's cutting-edge TFN membrane technology and the TsingXi team's profound expertise in water treatment, our comprehensive water treatment plant offers pure water solutions demonstrating exceptional rejection of salts, boron, and TOC. This state-of-the-art system fulfills the semiconductor industry's rigorous water production standards.
This successful breakthrough has led to us securing the electronic ultra-pure water treatment project from a prominent Japanese listed company.
ProshareTailor-made TFN Special Acid-resistant and High-pressure Membranes for Wastewater Treatment in Petrochemical / Refining, Achieving Truly Zero Liquid Discharge
Proshare Tailor-made TFN special acid-resistant and high-pressure membranes, optimized forwastewater treatment in ammonium sulphate desulphurisation processes, achieve a concentration level up to 40 times with an ammonium sulphate concentration of ≥ 20% in the concentrated water. This significantly minimizes energy consumption for evaporation and crystallization, offering substantial cost savings. The water produced complies with the corporate standard Q/SH 0628.2-2014 for circulating water make-up water of China Petroleum and Chemical Corporation, ensuring zero wastewater discharge.
This outstanding result has led to a cascade of subsequent orders from other subsidiaries within the group.
This membrane technology is also applicable to other high-temperature, highly acidic wastewater scenarios containing ammonium sulphate, including industries such as energy, refining, chemical, and metallurgy. The latest advancements in ammonia desulphurization technology, combined with carbon capture, support new energy solutions and the evolution of a green industry chain, aligning 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,lowsElectrical efficiency stands at under 80%, indicating a promising avenue for further refinement and optimization to maximize performance.HighenergyConsumption could constitute roughly 30%-40% of the total operational cost, highlighting a significant opportunity for cost-saving innovations.ShortMembranelifespan is estimated at 2-3 years, providing a reliable and durable solution for diverse applications, ensuring long-term satisfaction and performance.
Proshare PSI MEMBRANE TFN-SEP Customized NF/RO Membrane
has demonstrated superiorperformanceData in a key lithiumextraction project situated in thepristine Lakkor Tso Salt Lake , Tibet, China:
Utilizing just a 2-stage Nanofiltrationprocess combined with a 1-stage RO, we achieve production water containing Mg2+ at 2.9mg/L and Ca2+ at 2.25mg/L. The retention rate for Mg2+ is over 99%, while Ca2+ is retained at over 98%. Additionally, the lithiumpermeate rate achieves an impressive 96.6%, with the flux reaching nearly 20LMH under an operating pressure of 1MPa.Our proven membrane technology is both environmentally and economically friendly, dramatically enhancing product purity and quality, making it a top-choice solution for high-performance needs.
ProshareTeam's Breakthrough in Next-Generation Reverse Osmosis Membrane Technology
ProshareOur team at Proshare has ignited a revolution in the field of reverse osmosis membranes with the advent of our advanced, cutting-edge technology. Leveraging the remarkable potential of polymer interface nano-self-assembly, we've surmounted the obstacles traditionally associated with membrane development. This has culminated in two significant innovations that redefine industry standards:
Ultra-Thin Separation Layer: By masterfully employing polymer interface nanotechnology, we've crafted a separation layer that is astoundingly at least three times thinner than the conventional 100 nm polyamide films. This groundbreaking reduction not only boosts water flux but also catapults permeability to unprecedented levels.
Enhanced Performance: Our integration of nanoparticles and specialized hydrophilic polymers marks a transformative leap forward, significantly enhancing the membrane's hydrophilicity. This translates to superior anti-fouling capabilities, enhanced durability, and remarkable oxidation resistance, setting new benchmarks in the industry.
When juxtaposed with standard polyamide reverse osmosis membranes,Prosharestands apart with groundbreaking advancements in four crucial domains:
Self-Assembled Nanocomposite Films
Through the synergy of nano-scale precision and nano-doping, we've pioneered the creation of ultra-thin, exquisitely ordered separation layers using polymer interface nanotechnology. This trailblazing technique surpasses the typical constraints of thickness consistency and material variety seen in conventional polyamide membranes.
Enhanced Water Flux and Energy Efficiency
By optimizing the meticulous layer-by-layer self-assembly process, we've expertly calibrated the functional layer's thickness, achieving a 3x reduction over traditional membranes. This strategic milestone results in >3x higher water flux while ensuring 30% lower energy consumptionfor sustainable and efficient operation.
Novel Polymer Materials with Superior Chemical Stability
Diverging from polyamide, our team utilizes cutting-edge hydrophilic polymers, such as modified polysulfones, along with ceramic-organic hybrids. These forefront materials exhibit extraordinary resistance to oxidation (withstanding 10 ppm chlorine exposure) and demonstrate superior pH stability (maintaining integrity within a broad pH range of 1-12).
Anti-Fouling Surface Engineering
Our innovative superhydrophilic surface, engineered with a contact angle of less than 10° and reinforced by nanoparticles, significantly curtails organic fouling by 50%. This breakthrough extends chemical cleaning cycles from 3 to 6 months, thereby reducing maintenance expenses 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, showcasing our unwavering commitment to the pinnacle of industry standards. Our certifications reflect a robust health and safety management system, an unwavering dedication to preserving the environment, and a steadfast adherence to ISO 9001 quality management protocols. This trifecta of certifications not only highlights our proactive approach to comprehensive management systems but also reinforces our promise to deliver products and services of exceptional quality.
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 legacy. Our impressive portfolio of patents epitomizes our relentless pursuit of technological advancement. From groundbreaking innovations in membrane production to the state-of-the-art development of multi-layer RO membranes, our patents are a testament to our leadership at the forefront of cutting-edge technologies. We are pioneers, continually shaping the future landscape of the industry with our inventive spirit and ingenious solutions.
Proshare Innovation SuzhouCo., Ltd. emerges as a beacon of cutting-edge technology in the realm of water purification. This esteemed national high-tech enterprise is dedicated to pioneering advancements in third-generation thin-film nanocomposite (TFN) membranes, tailored specifically for reverse osmosis (RO), nanofiltration (NF), and other critical material separation applications. Established in the vibrant year of 2017 by visionary overseas-returned doctoral experts, under the leadership of the illustrious Dr. Lin Xiaofeng-who has been honored with national-level talent accolades-Proshare Innovation has distinguished itself as China's exclusive domestic producer of TFN membranes.
Core Competencies
Technological Innovation: As pioneers in the field, we have seamlessly integrated TFN technology into nanofiltration membranes, achieving complete independence in research and development. Our state-of-the-art facilities ensure the localization of both membrane manufacturing and the equipment used, setting new benchmarks in the industry.
Intellectual Property: Boasting an impressive portfolio of over 31 patents, our membrane performance not only aligns with but surpasses international standards, effectively replacing previously monopolized foreign products and establishing new industry norms.
Production Capacity: We proudly operate a sophisticated 2,000 m² R&D facility complemented by an expansive15,000 m² production base, equipped to meet the growing demand for our innovative solutions.
Funding: We have successfully closed Pre-A Round (2023) and A Round (January 2025) financing, supported robustly by Suzhou Industrial Park Science Innovation Fund and Yong Sheng Capital, reinforcing our financial foundation and growth trajectory.
Market Recognition: Our distinction as a preferred supplier for prestigious listed environmental engineering firms and state-owned enterprises underscores our market leadership and the trust our clients place in us.
Leadership:Dr. Lin Xiaofeng, an esteemed Ph.D. graduate from the renowned University of Strasbourg in France, has been duly recognized with numerous awards, including Suzhou Leading Talent and Jiangsu Dual Innovation Talent accolades. Under his dynamic guidance, the company's R&D endeavors in TFN membrane industrialization continue to break new ground.
WHY US?
FAQ:
(1) Q: Why Choose Our Company?
A: We offer complete water treatment solutions that are revolutionizing the industry.
Our innovative Thin Film Nanocomposite (TFN) membrane sheets, membrane elements, and comprehensive water treatment systems offer unparalleled solutions for customers seeking cutting-edge technology.
A: Customization capabilities
Our solutions are expertly backed by national specialist teams and the prestigious Tsinghua University Suzhou Environmental Innovation, ensuring tailored solutions for unique customer needs.
A: Ensuring quality and delivering worth.
Our premium solutions not only promise excellence,but they also provide an impressive return on investment (ROI) for our clients. We offer comprehensive training, support, and services, extending our local expertise to the global stage.Our approach is to provide complete training, robust support, and unparalleled services, leveraging our local expertise on a global platform.
A: Collaborating with our customers
We draw inspiration from our customers, who tirelessly work to deliver the invaluable gift of clean water. Together, we strive for a world optimized by water solutions, ensuring a brighter and more sustainable future.
(2) Q: Are you a manufacturer or Trade Company?
A: As a distinguished leader in manufacturing with our own cutting-edge International Trade Department, we possess an exceptional insight into the nuances of customer demands, enabling us to offer unbeatable pricing.
(3) Q: How's the after-sale service?
A: We proudly offer seamless post-purchase support, with a team of dedicated engineers ready to deliver on-site service overseas. This is complemented by our experienced merchandiser's supervision and expert translation services, ensuring a smooth and satisfying customer experience.
(4) Q: How about the quality?
A: Our unwavering commitment to quality assurance is fortified by sourcing key sub-assemblies and raw materials from top-tier industry leaders. Our specialized team develops vital components in-house, guaranteeing a professional assembly line and rigorous quality testing that adheres to the most stringent industry standards.
(5) Q: Product /Quality Guarantee and After Sale Service?
A: Experience complete confidence with our comprehensive 1-year warranty, crafted in line with International standards. Our dedicated online support team is at your service around the clock, ready to promptly address any inquiries regarding our machine with precision and care.
(6) Q: Certification?
A: We take pride in being a prestigious company, holding ISO9001, ISO14001, and ISO45001 certifications. Our products are engineered to meet and surpass the stringent technical benchmarks of 3C and CE. Each product bears official certification from the Industry Administration Authority, showcasing our commitment to unmatched quality and safety.Tsingxi is unwavering in its dedication to evolving as a powerhouse in the global water treatment market, continually setting new standards for innovation and reliability.
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