PSI MEMBRANE® Thin Film Nanocomposite (TFN)
Loose Nanofiltration or Compact Ultrafiltration Membrane
UNF TFN SeriesUnlock the future of water filtration with our revolutionary Thin Film Nanocomposite (TFN) technology in the UNF series. This groundbreaking innovation boasts a nano-level, ultra-thin hydrophilic coating that sets new standards in anti-fouling performance. With a flux rate four times higher than traditional TFC membranes and operating at a pressure that's at least 50% lower, this membrane is the quintessential solution for replacing conventional TFC membranes.
Key features:
Precision at its Best Higher Performance
Crafted with meticulous attention to detail, this membrane features multiple precise cutting molecules, tailored to meet specific customer demands, delivering unparalleled precision like never before.
Unmatched Efficiency
Proshare Innovation's membranes redefine efficiency with product flow rates soaring up to four times that of imported competitors. This exceptional performance translates into significant energy savings and reduced project costs.
Superior Selective Separation
Achieve superior purification with ultra-high selectivity. Our membranes proficiently remove most colloidal iron, colloidal silicon, humic acid, and other dissolved organic matter (DOM), allowing only inorganic single and bivalent ions to pass through.
Industrial Minimum- and Zero-Liquid Discharge (MLD/ZLD)
Key Applications:
Industrial Minimum- and Zero-Liquid Discharge (MLD/ZLD)
Indispensable in advancing industrial resource recovery and recycling, this membrane is ideal for various industries, including steel & metals, precious metals, chemical, medical, pharmaceutical, food, and petrochemical sectors.
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 optimal performance, permeate flow rate and stabilized salt rejection are derived under the following rigorously 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.
2. It is important to note, the permeate flow variation range is +/-15%, with potential additional fluctuations in final water yield due to
the involved heat treatment process.
SIZE: mm
Model |
A |
B |
C |
4040 |
1016 |
100.3 |
19.1 |
8040 |
1016 |
200 |
28.6 |
Industry Applications
ProshareProshare Innovation Suzhou Co., Ltd. shines as a pinnacle of industry superiority, having amassed an invaluable reserve of specialized expertise. We deliver premium, tailor-made technical solutions precisely crafted to satisfy the industrial sector's demand for extraordinarily pure water. Our unparalleled mastery extends across intricate industrial operations, wastewater treatment and recycling, and resource recovery. This expertise ensures Proshare's unwavering status as the industry's gold standard.
Proshare proudly engages in a wide spectrum of pivotal industry sectors. Our extensive presence includes the petrochemical field, mining, lithium extraction from salt lakes, and recycling of lithium batteries, among many others. We make notable advances in semiconductors, seawater desalinization, reclaimed water management, leachate treatment, synthetic biology, copper foil production, pharmaceuticals, and power generation. This showcases our versatile and dynamic capabilities.
Our broad expertise seamlessly encompasses a diverse range of applications: from steam boiler feeding to food & beverage industries, including mineral water bottling, soft drinks, and juices, as well as painting lines and dairies. We excel in ice cream production, laundries, hospitals, textiles, mechanical industries, and steel companies. Proshare's solutions are perfectly crafted to meet any industry demand.
Hospitality/Seawater and Brackish Water Desalination Applications
Proshare's expertise in desalination technology has established a unique position in the civil water supply for hotels and tourist resorts. Acknowledging the critical need for fresh water in these venues, our advanced R.O. sea and brackish water desalination solutions offer a reliable and cutting-edge alternative. They adeptly satisfy the growing demands of rapidly expanding tourist hotspots with a finesse that distinguishes us.
Municipal and Civil Use
At Proshare, we are at the forefront of pioneering innovative, scalable, and eco-friendly solutions for the sustainable treatment of wastewater and effluents. Our extensive portfolio is enriched with patented technologies and supported by national-level expertise and scientific excellence, ensuring municipalities maintain the highest health and environmental standards. Our relentless pursuit of excellence drives us to continually enhance our sanitation systems through systematic, real-time insights provided by our dedicated field engineers.
Our profound expertise in sewage treatment forms the backbone of our ability to help you achieve your sustainable development objectives. As a leader in sustainable development, we offer a remarkable suite of solutions, including:
Cutting-edge Sanitation technologies.
Innovative Recovery of Reusable Materials from Wastewater.
Farming Applications
Ensuring optimal animal health and maximum productivity-whether it's for cattle, chickens, sheep, or pigs-requires water quality on par with its availability. At Proshare, we recognize that exceptional water quality is crucial in boosting the growth and performance of animals, thus significantly influencing overall productivity.
Farm water sources are diverse and essential, spanning water wells, civil water networks, rivers, and other surface sources, each with distinct attributes. Understanding these unique characteristics enables us to craft precise solutions tailored to each situation.
Beyond chlorine-treated networks, other water sources frequently contain elevated levels of dissolved and suspended solids and pathogens. Reverse osmosis technology stands out as the foremost solution to effectively manage these impurities. For farm water, particularly from non-civil sources, employing the latest technological treatment is vital to minimize harmful substances, thus safeguarding the health and well-being of the animals.
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 the playground for established global brands. As these floating behemoths navigate through diverse waters, the salinity and temperature of the feed water can vary significantly, demanding cutting-edge membranes that rise to the occasion in all conceivable conditions. Proshare's state-of-the-art membranes guarantee reliable water production, aligning perfectly with the rigorous demands of ocean-going vessels, overcoming these challenges with ease.
The PSI MEMBRANE Pro-HR-SW seawater desalination membranes have set an unparalleled benchmark with their phenomenal desalination rate and steadfast water production stability. These membranes have not only met but exceeded the stringent cruise ship water quality standards, ensuring impeccable performance for the most luxurious liners.
This remarkable achievement sparked a groundbreaking shift, catalyzing the replacement of existing desalination membranes across three more cruise ships. Proshare's resounding triumph in this venture firmly establishes it as the pioneering national brand to clinch 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, especially in the sphere of membrane desalination, is exceptionally stringent. Only a select elite of brands are equipped to meet these rigorous standards, ensuring the highest quality of water production.
By harnessing Proshare's innovative TFN membrane technology and the TsingXi team's vast expertise in water treatment, our comprehensive water treatment plant delivers pure water equipment solutions that demonstrate superior rejection of salts, boron, and TOC. This system's water production exceeds the semiconductor industry's stringent water requirements.
This successful outcome has propelled us to secure a prestigious electronic ultra-pure water treatment project from a leading Japanese listed company, marking a significant milestone.
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, masterfully optimized forwastewater treatment in ammonium sulphate desulphurisation processes, have achieved a concentration level up to 40 times with an ammonium sulphate concentration of ≥ 20% in the concentrated water. This breakthrough significantly slashes energy consumption for subsequent evaporation and crystallization, delivering substantial cost savings. The water produced flawlessly 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 extraordinary result has sparked a wave of follow-up orders from other subsidiaries within the group, cementing our reputation.
This membrane technology is also applicable to other high-temperature, highly acidic wastewater scenarios containing ammonium sulphate, including sectors like energy, refining, chemical, and metallurgy. The latest advancements in ammonia desulphurization technology, coupled with carbon capture, bolster new energy consumption and the evolution of a 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 mMembraneFFouling,LLowSElectrical efficiency is currently at an admirable level, just shy of 80%. This signals a wealth of possibilities for growth and optimization, setting the stage for breakthroughs in technological advancements.HHighEEnergyCConsumption is estimated to account for approximately 30% to 40% of the total operational cost. This underscores a remarkable opportunity for groundbreaking cost-saving innovations that can redefine industry standards.SShortMMembranelifespan is anticipated to range between 2 to 3 years, delivering a dependable and robust solution across a diverse array of applications.
Proshare PSI MEMBRANE TFN-SEP Customized NF/RO Membrane
has demonstrated exceptionalperformanceData in a pivotal lithiumextraction project located in thepristine Lakkor Tso Salt Lake , Tibet, China:
By harnessing a highly efficient 2-stage Nanofiltrationprocess seamlessly integrated with a 1-stage RO, we achieve production water with Mg2+ at 2.9mg/L and Ca2+ at 2.25mg/L. The retention rate for Mg2+ is above 99%, while Ca2+ retention exceeds 98%. Moreover, the lithiumpermeate rate reaches a remarkable 96.6%, with the flux approaching nearly 20LMH under an operational pressure of 1MPa.Our proven membrane technology is both environmentally and economically sustainable, significantly enhancing product purity and quality beyond conventional expectations.
ProshareTeam's Breakthrough in Next-Generation Reverse Osmosis Membrane Technology
ProshareOur team has pioneered a groundbreaking advancement in reverse osmosis membrane technology. Harnessing the awe-inspiring capabilities of polymer interface nano-self-assembly, we have transcended the conventional limitations of membrane development with two extraordinary innovations:
Ultra-Thin Separation Layer: Through the ingenious application of polymer interface nanotechnology, we have crafted a separation layer that is astonishingly at least three times thinner than the conventional 100 nm polyamide thin films. This dramatic reduction in thickness propels water flux to new heights, profoundly enhancing both permeability and efficiency.
Enhanced Performance: By skillfully integrating nanoparticles with specially designed hydrophilic polymers, we have realized unparalleled progress in the membrane's hydrophilicity, along with its anti-fouling capabilities, durability, and resistance to oxidation.
Compared to traditional polyamide reverse osmosis membranes,Proshare's innovation shines through breakthroughs across four crucial dimensions:
Self-Assembled Nanocomposite Films
Combining nano-scale precision control with nano-doping modification, we facilitate the formation of ultra-thin, meticulously organized separation layers via polymer interface nanotechnology. This revolutionary method surpasses limitations in thickness uniformity and material diversity inherent to conventional polyamide membranes.
Enhanced Water Flux and Energy Efficiency
Through meticulous refinement of the layer-by-layer self-assembly process, we have precisely managed the functional layer thickness, achieving an astonishing 3x reduction compared to traditional membranes. This advancement delivers >3x higher water flux and 30% lower energy consumption.
Novel Polymer Materials with Superior Chemical Stability
Abandoning conventional polyamide, our team utilizes avant-garde hydrophilic polymers (e.g., modified polysulfones) and ceramic-organic hybrids. These advanced materials boast superior oxidation resistance (withstanding 10 ppm chlorine exposure) and pH tolerance (stabilizing within the 1-12 pH range).
Anti-Fouling Surface Engineering
Our superhydrophilic surface, designed with a contact angle less than 10° and fortified by nanoparticle reinforcement, significantly reduces organic fouling by 50%. This innovation doubles the duration of chemical cleaning cycles from 3 to 6 months, leading to a 40% reduction in maintenance costs.
Health & Safety Management System Certificate | Environmental Management System Certificate | ISO 9001 Quality System Certificate At Proshare Innovation Suzhou Co., Ltd., we proudly uphold a legacy of unparalleled excellence, consistently achieving the highest honors with our prestigious certifications. These esteemed accolades are a brilliant testament to our relentless pursuit of embodying the apex of industry standards. Our certifications illuminate our rigorous adherence to meticulous health and safety management protocols, our unwavering dedication to environmental stewardship, and our steadfast commitment to the ISO 9001 quality management criteria. This distinguished trio not only underscores our comprehensive and proactive management strategies, but also fortifies our promise to deliver superior products and unmatched services.
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 is the very essence of our corporate identity. Our expansive portfolio of patents proudly showcases our insatiable quest for technological advancement and ingenuity. From monumental breakthroughs in membrane production to the pioneering development of sophisticated multi-layer RO membranes, our patents are a bold testament to our role as vanguards of cutting-edge technology. As trailblazers, we are consistently reshaping the industry's future with our boundless creative genius and pioneering solutions, cementing our leadership in innovation.
Proshare Innovation SuzhouCo., Ltd. emerges as a shining beacon of cutting-edge technology in the dynamic realm of water purification. As a prestigious national high-tech enterprise, we are wholeheartedly committed to pioneering advancements in the third-generation thin-film nanocomposite (TFN) membranes. These membranes are meticulously crafted for reverse osmosis (RO), nanofiltration (NF), and other critical material separation applications. Established in the vibrant year of 2017 by visionary doctoral experts returning from overseas, and under the esteemed leadership of Dr. Lin Xiaofeng-lauded with national-level talent accolades-Proshare Innovation stands tall as China's singular domestic producer of TFN membranes.
Core Competencies
Technological Innovation: As trailblazers in this field, we have masterfully integrated TFN technology into nanofiltration membranes, achieving full independence in both research and development. Our cutting-edge facilities ensure the localization of membrane manufacturing and equipment, setting unprecedented industry benchmarks.
Intellectual Property: With an impressive portfolio boasting over 31 patents, our membrane performance not only meets but exceeds international standards, effectively supplanting previously monopolized foreign products and redefining industry norms.
Production Capacity: Operating from a sophisticated 2,000 m² R&D facility, our capability is further enhanced by our expansive15,000 m² production base, perfectly equipped to meet surging demand for our groundbreaking solutions.
Funding: With successful closure of Pre-A Round (2023) and A Round (January 2025) financing, robust backing from the Suzhou Industrial Park Science Innovation Fund and Yong Sheng Capital fortifies our financial foundation and accelerates our growth trajectory.
Market Recognition: Our distinction as a preferred supplier for distinguished listed environmental engineering firms and state-owned enterprises underscores our market dominance and the unwavering trust our clients bestow upon us.
Leadership:Dr. Lin Xiaofeng, a distinguished Ph.D. graduate from the esteemed University of Strasbourg in France, has received numerous accolades, including the Suzhou Leading Talent and Jiangsu Dual Innovation Talent awards. Under his visionary leadership, our R&D pursuits in TFN membrane industrialization continue to forge uncharted paths.
WHY US?
FAQ:
(1) Q: Why Choose Our Company?
A: We deliver comprehensive water treatment solutions that are revolutionizing the industry.
Our avant-garde Thin Film Nanocomposite (TFN) membrane sheets, membrane elements, and holistic water treatment systems offer unrivaled solutions for customers craving cutting-edge technology.
A: Customization capabilities
Our offerings are expertly supported by national specialist teams and the esteemed Tsinghua University Suzhou Environmental Innovation, ensuring uniquely tailored solutions for our customers' distinct needs.
A: Ensuring quality and delivering worth.
Our top-tier solutions not only guarantee excellence,but they also ensure an impressive return on investment (ROI) for our clients. We offer exhaustive training, support, and services, extending our local expertise to a global platform.Our methodology is to provide comprehensive training, robust support, and unmatched services, harnessing our local expertise to make a global impact.
A: Collaborating with our customers
We derive inspiration from our customers, who relentlessly work to provide the precious gift of clean water. Together, we aspire for a world optimized by water solutions, paving the way for a brighter and more sustainable tomorrow.
(2) Q: Are you a manufacturer or Trade Company?
A: As a premier manufacturer with our very own International Trade Department, we have an unrivaled understanding of our clients' aspirations and needs. This profound comprehension empowers us to offer pricing that is not only remarkably competitive but tailored to deliver exceptional value, ensuring an unparalleled customer experience.
(3) Q: How's the after-sale service?
A: Our dedicated team of engineers is ready to deliver outstanding on-site service overseas. With the seamless support offered by our vigilant merchandiser supervision and the precision of our expert translation services, we guarantee you an exceptional post-purchase journey that leaves you completely satisfied.
(4) Q: How about the quality?
A: Our steadfast dedication to quality is anchored in sourcing primary sub-assemblies and raw materials from the industry's best. Our expert team meticulously crafts key components in-house, fostering a professional assembly line supported by rigorous quality testing, all aligning with the highest standards of excellence to ensure superior performance in every product.
(5) Q: Product /Quality Guarantee and After Sale Service?
A: Enjoy complete peace of mind with our comprehensive 1-year warranty, in full compliance with international standards. Our dedicated online support team is available around the clock to swiftly and effectively address any inquiries you may have regarding our machine, providing a seamless experience that underscores our commitment to your satisfaction.
(6) Q: Certification?
A: We proudly stand as Tsingxi, a distinguished company accredited with ISO9001, ISO14001, and ISO45001 certifications. Our meticulously engineered products meet the stringent technical standards of 3C and CE, with each product being officially certified by the Industry Administration Authority, underscoring our unwavering commitment to the pinnacle of quality and safety.Tsingxi is unwavering in its mission to elevate its status as a formidable high-tech force in the dynamic global water treatment market, consistently setting new benchmarks for innovation and reliability, and driving the industry forward with cutting-edge solutions.