PSI MEMBRANE® Thin Film Nanocomposite (TFN)
Loose Nanofiltration or Compact Ultrafiltration Membrane
UNF TFN Series Engineered with groundbreaking Thin Film Nanocomposite (TFN) technology, the UNF series stands out with its nano-level, ultra-thin hydrophilic coating technology, delivering unparalleled anti-fouling capabilities. These membranes boast flux rates that are four times superior to conventional TFC membranes, all while operating at 50% less pressure, making them the ideal alternative to traditional TFC membranes.
Key features:
Precision at its Best Higher
Delivers an array of precise cutting molecules, meticulously customized to meet specific customer needs.
Unmatched Efficiency
Reaches flow rates up to four times that of imported alternatives, dramatically reducing energy usage and overall project expenses.
Superior Selective Separation
Exhibits exceptional selectivity, efficiently eliminating most colloidal iron, colloidal silicon, humic acid, and diverse dissolved organic matter (DOM) while permitting the passage of inorganic single and bivalent ions.
Industrial Minimum- and Zero-Liquid Discharge (MLD/ZLD)
Key Applications:
Industrial Minimum- and Zero-Liquid Discharge (MLD/ZLD)
Industrial resource recovery and recycling, including in industries such as steel & metals, precious metals, chemical, medical, pharmaceutical, food & petrochemical.
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. To ensure peak performance, the permeate flow rate and stabilized salt rejection are determined under the following 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 any hot water disinfection procedure.
2. Kindly be aware that the permeate flow variation range is +/-15%, and the ultimate water yield may experience further fluctuations due to
the heat treatment process involved.
SIZE: mm
| Model |
A |
B |
C |
| 4040 |
1016 |
100.3 |
19.1 |
| 8040 |
1016 |
200 |
28.6 |
Industry Applications
ProshareProshare Innovation Suzhou Co., Ltd. has cultivated a remarkable wealth of expertise by engineering outstanding technical solutions for the industrial sector, fulfilling the critical demand for ultra-pure water. Whether addressing complex industrial processes, advancing wastewater treatment and its sustainable reuse, or spearheading resource recycling initiatives, our unmatched expertise sets the industry standard.
We are deeply entrenched in numerous pivotal industry sectors, including petrochemical, mining, lithium extraction from salt lakes, lithium iron phosphate and lithium battery recycling, as well as the semiconductor industry, seawater desalinization, reclaimed water management, leachate management, synthetic biology, copper foil manufacturing, pharmaceuticals, and power generation.
Our extensive expertise spans a wide array of applications such as steam boiler feeding, the food and beverage industries (including mineral water bottling, soft drinks, and juices), painting lines, dairies, ice cream production, laundries, hospitals, textiles, mechanical industries, and steel companies, among many others.
Hospitality/Seawater and Brackish Water Desalination Applications
Proshare's profound mastery in desalination technologies has paved the way for innovative water desalination solutions in the civil hospitality sector, specifically targeting hotels and touristic resorts. Recognizing the fundamental necessity of fresh water supply in these infrastructures, our R.O. sea water and brackish water desalination solutions offer a reliable and sophisticated alternative, adept at meeting the escalating demands of burgeoning touristic destinations.
Municipal and Civil Use
We are steadfast in our commitment to delivering groundbreaking, scalable, and eco-friendly solutions for the proficient and sustainable treatment of wastewater and effluents. Our extensive portfolio, renowned for patented technologies and supported by national-level experts and leading scientific research institutions, guarantees municipalities the highest standards of compliance with stringent health and environmental regulations. We are devoted to the continuous advancement of our sanitation systems, underscored by systematic, real-time feedback from our field engineers.
Our profound expertise in sewage treatment serves as the bedrock of our ability to empower you in achieving your sustainable development goals. As a pioneer in sustainable development, we present a diverse array of solutions including:
State-of-the-art Sanitation technologies.
Pioneering Recovery of Reusable Materials from Wastewater.
Farming Applications
In pursuit of optimal animal health and productivity, encompassing cattle, chickens, sheep, and pigs, the quality of water holds as much significance as its availability. Ensuring superior water quality is instrumental in fostering the desired growth and maximizing the animals' performance.
Farm water may be sourced from diverse origins such as water wells, civil water networks, and occasionally from rivers and other surface sources, each characterized by unique attributes.
Excluding the chlorine-treated civil network water, other sources frequently harbor elevated levels of dissolved and suspended solids along with pathogens. Hence, reverse osmosis technology emerges as the most effective method to mitigate these contaminants. It is crucial for farm water, especially from non-civil sources, to undergo technological treatment to reduce harmful substances, ensuring the animals' safety and well-being.
Successful Cases Reference
Proshare PSI MEMBRANE Desalination RO Membrane Serves Desalination in Cruise Ship
Historically, the domain of desalination membranes for international luxury cruise ships has been dominated by established global brands. Catering to the needs of these maritime giants, which sail through waters with varying salinity and temperature, has required membranes that are robust and adaptable. Proshare's cutting-edge membranes are engineered to consistently produce high-quality water, meeting the stringent demands of oceanic vessels, regardless of the challenges posed by diverse water conditions.
The PSI MEMBRANE Pro-HR-SW seawater desalination membranes have redefined industry standards with their remarkable desalination efficiency and steadfast water production reliability. These membranes have exceeded the exacting cruise ship water quality requirements, thus providing unparalleled performance for opulent ocean liners.
This remarkable success has driven the adoption of our desalination membranes across three additional cruise ships. Proshare's groundbreaking achievement marks it as the first national brand to win international luxury cruise ship orders for desalination RO membranes, setting a new standard in the industry.
AComplete Water Treatment Plant for Generating Ultra-pure Water in the Semiconductor Industry
The quest for electronic-grade ultra-pure water, especially in membrane desalination, is marked by rigorous standards that only a few elite brands can meet. Proshare is among these elite, ensuring excellence in every drop.
Utilizing Proshare's revolutionary TFN membrane technology, in combination with the TsingXi team's vast experience in water treatment, our integrated water treatment plant provides pure water equipment solutions with outstanding rejection of salts, boron, and TOC. This system's water production is perfectly aligned with the semiconductor industry's stringent requirements.
This triumphant outcome enabled us to clinch the electronic ultra-pure water treatment project from a leading Japanese listed corporation, showcasing our prowess in delivering superior solutions.
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 innovation significantly slashes energy usage for subsequent evaporation and crystallization, offering considerable cost savings. The treated water 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.
This outstanding result has prompted a surge of follow-up orders from other group subsidiaries, solidifying our reputation as a leader in innovative solutions.
This membrane technology is also adaptable to other scenarios involving high-temperature, highly acidic wastewater with ammonium sulphate, such as those found in the energy, refining, chemical, and metallurgy industries. The latest advances in ammonia desulphurization technology, when combined with carbon capture, promote new energy consumption and the development of a sustainable green industry chain, aligning perfectly 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,lowsOur electrical efficiency is currently below 80%, suggesting a promising avenue for enhancement and optimization.HighenergyConsumption accounts for approximately 30%-40% of the total operational expenses, underscoring a substantial opportunity for innovative cost-saving solutions.ShortMembranelifespan is estimated between 2-3 years, providing a dependable and robust solution for diverse applications.
Proshare PSI MEMBRANE TFN-SEP Customized NF/RO Membrane
has consistently showcased exceptionalperformanceData in a pivotal lithiumextraction project nestled within thepristine Lakkor Tso Salt Lake , Tibet, China:
Employing an efficient 2-stage Nanofiltrationprocess coupled with a 1-stage RO, we achieve production water with Mg2+ at just 2.9mg/L and Ca2+ at a mere 2.25mg/L. The retention rate for Mg2+ impressively exceeds 99%, while Ca2+ is held back at over 98%. Moreover, the lithiumpermeate rate achieves an outstanding 96.6%, with the flux approaching 20LMH under an operating pressure of 1MPa.Our advanced membrane technology is both eco-friendly and economically viable, significantly boosting product purity and quality.
ProshareTeam's Breakthrough in Next-Generation Reverse Osmosis Membrane Technology
ProshareOur team at Proshare has achieved a pioneering breakthrough in the development of state-of-the-art reverse osmosis membranes. By leveraging the novel polymer interface nano-self-assembly technology, we have successfully addressed the limitations conventional membranes face with two significant innovations:
Ultra-Thin Separation Layer: Utilizing sophisticated polymer interface nanotechnology, our experts have crafted a separation layer that is remarkably three times thinner than the conventional polyamide thin films, typically limited to 100 nm. This revolutionary thinning exponentially increases water flux, significantly enhancing permeability.
Enhanced Performance: By integrating nanoparticles with specialized hydrophilic polymers, we have made extraordinary advancements in augmenting the membrane's hydrophilicity, anti-fouling ability, durability, and oxidation resistance.
Compared to traditional polyamide reverse osmosis membranes,Proshare's innovation showcases breakthroughs in four crucial areas:
Self-Assembled Nanocomposite Films
The integration of nano-scale precision control with nano-doping modification facilitates the creation of ultra-thin, meticulously organized separation layers via polymer interface nanotechnology. This groundbreaking method surpasses the limitations in thickness uniformity and material diversity seen in conventional polyamide membranes.
Enhanced Water Flux and Energy Efficiency
By expertly refining the layer-by-layer self-assembly technique, we have accurately regulated the functional layer thickness, achieving an astonishing 3x reduction in comparison to traditional membranes. This strategic advancement results in >3x higher water flux and 30% lower energy consumption.
Novel Polymer Materials with Superior Chemical Stability
Moving beyond polyamide, our team employs advanced hydrophilic polymers (such as modified polysulfones) and ceramic-organic hybrids. These cutting-edge materials display exceptional oxidation resistance withstanding exposure to 10 ppm chlorine, and pH tolerance maintaining stability within a wide pH range of 1-12.
Anti-Fouling Surface Engineering
Our superhydrophilic surface, with a contact angle of less than 10° and strengthened by nanoparticle reinforcement, effectively reduces the likelihood of organic fouling by 50%. This innovation extends the interval between chemical cleaning cycles from 3 months to 6 months and reduces 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 proudly as a beacon of excellence, demonstrating our unwavering commitment to achieving the pinnacle of industry standards. Our prestigious array of certifications reflects not only a robust health and safety management system but also an unwavering dedication to environmental preservation. Moreover, our steadfast adherence to ISO 9001 quality management protocols showcases our commitment to quality excellence. This trifecta of certifications highlights our proactive approach to comprehensive management systems and reinforces our promise to deliver products and services of exceptional quality, embodying the very essence of reliability and trustworthiness.
Invention Patent of Membranes Production, Invention Patent of Multi-Layer RO Membrane, Utility Model Patent Certificates At Proshare Innovation Suzhou Co., Ltd., innovation transcends being a mere buzzword; it forms the core of our legacy. Our impressive portfolio of patents exemplifies 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. As pioneers, we continually shape the future landscape of the industry with our inventive spirit and ingenious solutions, positioning ourselves as leaders in innovation and excellence.
Proshare Innovation SuzhouCo., Ltd. emerges as a luminary of advanced technology in water purification. Celebrated as a national high-tech leader, this enterprise is at the forefront of innovations with third-generation thin-film nanocomposite (TFN) membranes. These are masterfully designed for reverse osmosis (RO), nanofiltration (NF), and other vital material separation tasks. Established in 2017 by visionary, globally-educated doctoral experts under the esteemed Dr. Lin Xiaofeng-an awardee of national-level talent honors-Proshare Innovation stands as China's singular domestic TFN membrane producer, distinguishing itself with unparalleled expertise.
Core Competencies
Technological Innovation: As trailblazers, we've seamlessly integrated cutting-edge TFN technology into nanofiltration membranes, achieving full autonomy in research and development. Our advanced facilities enable complete localization of membrane manufacturing and related equipment, establishing unprecedented industry standards.
Intellectual Property: With a remarkable portfolio exceeding 31 patents, our membrane performance not only matches but exceeds global benchmarks, replacing previously dominated foreign products and setting new industry standards.
Production Capacity: We operate an advanced 2,000 m² R&D facility and a sprawling15,000 m² production base, poised to meet escalating demand for our cutting-edge solutions.
Funding: We have successfully concluded Pre-A Round (2023) and A Round (January 2025) financing, robustly supported by the Suzhou Industrial Park Science Innovation Fund and Yong Sheng Capital, fortifying our financial foundation and growth trajectory.
Market Recognition: Being a preferred supplier for elite listed environmental engineering firms and state-owned enterprises emphasizes our leading market position and the trust our esteemed clients invest in us.
Leadership:Dr. Lin Xiaofeng, a distinguished Ph.D. alumnus of the prestigious University of Strasbourg, France, has earned various accolades, including Suzhou Leading Talent and Jiangsu Dual Innovation Talent. Under his visionary leadership, our TFN membrane industrialization efforts continue to forge new paths.
WHY US?
FAQ:
(1) Q: Why Choose Our Company?
A: We offer groundbreaking water treatment solutions that are transforming the industry landscape.
Our pioneering Thin Film Nanocomposite (TFN) membrane sheets, membrane elements, and comprehensive water treatment systems provide unmatched solutions for customers seeking state-of-the-art technology.
A: Customization capabilities
Our solutions are skillfully supported by national expert teams and the esteemed Tsinghua University Suzhou Environmental Innovation, delivering tailored solutions to meet unique customer needs.
A: Ensuring quality and delivering worth.
Our top-tier solutions not only assure excellence,but also offer impressive returns on investment (ROI) for our clients. We provide extensive training, support, and services, bringing our local expertise to a global audience.Our methodology includes comprehensive training, solid support, and unmatched services, leveraging local expertise on an international scale.
A: Collaborating with our customers
We are inspired by our customers, who diligently work to provide the priceless gift of clean water. Together, we aim for a world enhanced by water solutions, ensuring a brighter and more sustainable future.
(2) Q: Are you a manufacturer or Trade Company?
A: As a distinguished manufacturer with our very own International Trade Department, we hold a deep and unique understanding of our customer's needs. This empowers us to offer not only quality but also highly competitive pricing, ensuring exceptional value for our clients.
(3) Q: How's the after-sale service?
A: Our dedicated engineers are at your service, ready to provide on-site assistance anywhere across the globe. We ensure seamless support with the strategic guidance of our merchandisers, paired with expert translation services to bridge any communication gaps efficiently.
(4) Q: How about the quality?
A: Our unwavering commitment to quality assurance is built on procuring main sub-assemblies and raw materials exclusively from industry-leading companies. This, combined with our in-house development of key components by our specialized team, creates a professionally-managed assembly line. Each product undergoes rigorous testing, ensuring it meets and often exceeds the highest industry standards.
(5) Q: Product /Quality Guarantee and After Sale Service?
A: We offer unmatched peace of mind with our all-encompassing 1-year warranty, which rigorously adheres to International standards. Our ever-ready online support team is available round-the-clock to ensure that every inquiry regarding our machine is addressed swiftly and thoroughly, guaranteeing customer satisfaction and trust.
(6) Q: Certification?
A: Tsingxi takes pride in being a reputable entity boasting ISO9001, ISO14001, and ISO45001 certifications. Our products are crafted to meet the exacting technical standards of 3C and CE. Furthermore, every product we offer is officially certified by the Industry Administration Authority, underscoring our commitment to the highest quality and safety protocols.Tsingxi is resolutely committed to its mission of evolving into an even more formidable high-tech powerhouse within the ever-evolving global water treatment sector, consistently setting benchmarks for unparalleled innovation and reliability.
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