PSI MEMBRANE® Thin Film Nanocomposite (TFN)
Loose Nanofiltration or Compact Ultrafiltration Membrane
UNF TFN Series Introducing the UNF series, a marvel in water filtration technology. With its cutting-edge Thin Film Nanocomposite (TFN) technology, this series boasts an advanced nano-level, ultra-thin hydrophilic coating. Not only does it provide superior anti-fouling capabilities, but it also offers remarkable efficiency with flux rates up to four times higher than conventional TFC membranes. These membranes accomplish this while operating at a remarkable 50% lower pressure, making them the ideal upgrade for traditional TFC membranes.
Key features:
Precision at its Best Higher
Delivers precise molecular cuts tailored to each customer's unique requirements, ensuring unparalleled precision.
Unmatched Efficiency
Experience flow rates that stand up to four times higher than those of imported competitors, resulting in significant reductions in energy consumption and project overheads.
Superior Selective Separation
Engineered for ultra-high selectivity, it efficiently eliminates colloidal iron, colloidal silicon, humic acid, and various dissolved organic matters (DOM), yet permits the passage of both inorganic single- and bivalent ions with ease.
Industrial Minimum- and Zero-Liquid Discharge (MLD/ZLD)
Key Applications:
Industrial Minimum- and Zero-Liquid Discharge (MLD/ZLD)
Pioneering resource recovery and recycling across various industries including steel, precious metals, chemical, medical, pharmaceutical, food, and petrochemical sectors.
Water softening
Chlor-alkali processing
Transforming landfill leachate with effective de-coloring solutions.
| 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, the permeate flow rate and stabilized salt rejection rate are derived under strictly controlled standard conditions as follows:
NF membrane (2000ppm MgSO4, at 0.48 MPa, 25ºC, with 15% recovery), and RO membrane (2000ppm NaCl solution,
at 1.55 MPa, 25ºC, with 15% recovery) before any hot water disinfection is performed.
2. Important: The permeate flow variation range is +/-15%, with potential additional fluctuation influenced by
the heat treatment process utilized.
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 expertise, having meticulously crafted unparalleled technical solutions that meet the precise demands of the industrial sector for pristine water. Our distinguished proficiency encompasses complex industrial processes, wastewater transformation and recovery, and resource regeneration.
We are profoundly active across an extensive range of crucial industry sectors, including petrochemical, resource-rich mining, advanced lithium extraction from salt lakes, and innovative lithium battery recycling. Our prowess extends to semiconductors, cutting-edge seawater desalinization, advanced reclaimed water and leachate management, pioneering synthetic biology, copper foil innovation, pharmaceuticals, and power generation industries.
Our vast expertise enriches multiple applications, encompassing steam boiler feeding, the thriving food & beverage sector (including mineral water, soft drinks, and juices), painting line perfection, dairy and ice cream innovation, as well as laundries, prestigious hospitals, dynamic textiles, exceptional mechanical industries, and leading steel companies, among others.
Hospitality/Seawater and Brackish Water Desalination Applications
Proshare's unmatched proficiency in desalination technology is a cornerstone for providing fresh water solutions for hotels and resorts. As the need for high-quality water in these rapidly growing touristic hubs becomes paramount, our R.O. technology for sea and brackish water offers an exceptional, reliable, and advanced alternative to meet this demand.
Municipal and Civil Use
We are dedicated to innovating scalable, eco-conscious water treatment solutions for municipalities, ensuring efficient wastewater and effluent management. Our diverse portfolio, enriched with patented technologies and guided by leading experts and research entities, guarantees the highest adherence to rigorous health and environmental standards, supported by real-time field engineer insights.
Our extensive knowledge in wastewater management empowers us to help you achieve sustainable development goals. As a forerunner in sustainability, we deliver an array of solutions, including:
Pioneering Sanitation Technologies.
Innovative Recovery of Reusable Materials from Wastewater.
Farming Applications
Ensuring top-tier water quality is essential for optimal animal vitality and yield (cattle, chickens, sheep, pigs). High-grade water is as pivotal as its availability in influencing growth and maximizing animal performance.
Farm water stems from diverse sources-water wells, civil networks, and occasionally rivers-each with unique attributes.
With the exception of chlorine-treated civil water, other sources often contain elevated levels of solids and pathogens. Reverse osmosis technology is paramount in mitigating these impurities, making it essential for farm water, especially from non-civil sources, to undergo treatment for animal safety and hygiene.
Successful Cases Reference
Proshare PSI MEMBRANE Desalination RO Membrane Serves Desalination in Cruise Ship
In the competitive realm of desalination membranes, international luxury cruise ships have traditionally favored established global brands. These majestic vessels navigate diverse waters with varying salinities and temperatures, requiring membranes that adapt effortlessly. Proshare's cutting-edge membrane technology delivers consistent and reliable water production, rising to meet the high demands of oceanic voyages.
The PSI MEMBRANE Pro-HR-SW seawater desalination membranes represent a pinnacle of innovation, offering unmatched desalination efficiency and remarkable water production stability. These membranes excel beyond the stringent water quality benchmarks of luxury cruise liners, ensuring that every journey is complemented by superior water quality.
This groundbreaking success prompted the adoption of Proshare's membranes in three additional cruise ships, marking a historic achievement. Proshare's leadership in this domain sets a new precedent as the first national brand to secure international luxury cruise orders for desalination RO membranes.
AComplete Water Treatment Plant for Generating Ultra-pure Water in the Semiconductor Industry
The semiconductor industry demands unparalleled purity in electronic-grade water, a challenge that only a select few brands can meet. Membrane desalination plays a critical role in achieving this high level of purity.
Harnessing Proshare's revolutionary TFN membrane technology, combined with TsingXi's profound expertise in water treatment, our plant offers supreme pure water solutions. This advanced system achieves exceptional rejection rates for salts, boron, and TOC, fully meeting the semiconductor sector's rigorous standards.
This achievement secured a significant electronic ultra-pure water treatment project with a high-profile Japanese listed company, showcasing Proshare's ability to lead in sophisticated water treatment 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, engineered specifically forwastewater treatment in ammonium sulphate desulphurisation processes, achieve an astounding 40-fold concentration with an ammonium sulphate concentration of ≥ 20%. This technological breakthrough significantly reduces energy consumption for evaporation and crystallization, delivering substantial cost efficiency. The water quality meets the Q/SH 0628.2-2014 standard for circulating water make-up of China Petroleum and Chemical Corporation, ensuring zero discharge of wastewater.
This remarkable success has spurred a surge of follow-up orders from other subsidiaries within the group, testifying to the transformative impact of Proshare's advanced membrane solutions.
This innovative membrane technology extends to other high-temperature, highly acidic wastewater applications with ammonium sulphate, serving industries such as energy, refining, chemical, and metallurgy. Cutting-edge ammonia desulphurization paired with carbon capture supports new energy consumption and fosters 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 Bottlenecksin Membrane Separation (Nanofiltration/Reverse Osmosis) for Lithium Extraction from Salt Lakes include membranefouling,lowsElectrical efficiency stands at under 80%, indicating a vast potential for enhancements and fine-tuning to unlock superior performance.HighenergyConsumption could constitute roughly 30%-40% of the total operational cost, presenting a substantial avenue for cost-saving innovations and increased efficiency.ShortMembranelifespan is estimated at 2-3 years, offering a robust and dependable solution for a wide array of applications, ensuring longevity and reliability.
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 a streamlined 2-stage Nanofiltrationprocess combined with a pioneering 1-stage RO, we achieve production water with Mg2+ at just 2.9mg/L and Ca2+ at only 2.25mg/L. The retention rate for Mg2+ impressively exceeds 99%, while Ca2+ is efficiently retained at over 98%. In addition, the lithiumpermeate rate excels at an impressive 96.6%, with the flux reaching nearly 20LMH under an operating pressure of 1MPa, showcasing remarkable efficiency.Our innovative membrane technology is both environmentally sustainable and economically advantageous, significantly elevating product purity and quality to new heights.
ProshareTeam's Breakthrough in Next-Generation Reverse Osmosis Membrane Technology
ProshareOur team has achieved an extraordinary breakthrough in the realm of reverse osmosis membranes with the creation of cutting-edge designs. Leveraging the prowess of polymer interface nano-self-assembly technology, we've tackled traditional challenges head-on, bringing forth two groundbreaking advancements:
Ultra-Thin Separation Layer: By expertly applying polymer interface nanotechnology, our team has crafted a remarkably thin separation layer, achieving a thickness that is at least three times thinner than customary polyamide films, which were typically limited to 100 nm. This trailblazing reduction in thickness significantly boosts water flow, and elevates permeability to unprecedented heights.
Enhanced Performance: The infusion of nanoparticles with specialized hydrophilic polymers has enabled unparalleled advancements in enhancing the membrane's hydrophilicity, anti-fouling characteristics, longevity, and oxidative resistance.
Compared to traditional polyamide reverse osmosis membranes,Proshare's innovation unveils breakthroughs across four crucial dimensions:
Self-Assembled Nanocomposite Films
By blending nanometer precision control with nano-doping modifications, we have pioneered the creation of ultra-thin, exquisitely ordered separation layers through polymer interface nanotechnology. This innovative approach surpasses the limitations in thickness uniformity and material diversity encountered with conventional polyamide membranes.
Enhanced Water Flux and Energy Efficiency
Through meticulous optimization of the layer-by-layer self-assembly process, we have precisely calibrated the functional layer thickness, achieving a remarkable reduction to just one-third of traditional membranes. This strategic refinement leads to >3x higher water flux and 30% lower energy consumption.
Novel Polymer Materials with Superior Chemical Stability
Breaking away from polyamide, our team employs advanced hydrophilic polymers, such as modified polysulfones and ceramic-organic hybrids. These state-of-the-art materials showcase outstanding oxidation resistance (withstanding exposure to 10 ppm chlorine) and pH tolerance (stabilizing effectively within the 1-12 pH range).
Anti-Fouling Surface Engineering
Our superhydrophilic surface, meticulously crafted to achieve a contact angle less than 10° and enhanced with nanoparticle reinforcement, dramatically decreases the likelihood of organic fouling by 50%. This advancement extends chemical cleaning cycles from 3 months to 6 months and reduces maintenance costs by 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, consistently exceeding customer expectations while setting new benchmarks in the industry.
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, driving progress and setting the stage for tomorrow's innovations.
Proshare Innovation SuzhouCo., Ltd. emerges as a shining example of state-of-the-art technology in the world of water purification. This prestigious national high-tech enterprise is passionately committed to advancing third-generation thin-film nanocomposite (TFN) membranes. These innovations are intricately designed for reverse osmosis (RO), nanofiltration (NF), and other essential material separation applications. Founded in the dynamic year of 2017 by visionary doctoral experts returning from overseas, and spearheaded by the esteemed Dr. Lin Xiaofeng-who has been celebrated with national-level talent honors-Proshare Innovation stands as China's sole domestic manufacturer of TFN membranes.
Core Competencies
Technological Innovation: As trailblazers in the industry, we have expertly integrated TFN technology into nanofiltration membranes, attaining complete self-sufficiency in research and development. Our cutting-edge facilities ensure the localization of both membrane production and the associated equipment, setting new industry standards.
Intellectual Property: With an impressive repertoire of over 31 patents, our membrane performance not only meets but exceeds international benchmarks, effectively replacing previously dominant foreign products and establishing new industry standards.
Production Capacity: We operate a sophisticated 2,000 m² R&D facility, complemented by a vast15,000 m² production base, meticulously equipped to satisfy the increasing demand for our groundbreaking solutions.
Funding: We have triumphantly completed Pre-A Round (2023) and A Round (January 2025) financing, strongly supported by the Suzhou Industrial Park Science Innovation Fund and Yong Sheng Capital, fortifying our financial foundation and growth trajectory.
Market Recognition: Our status as a chosen supplier for esteemed listed environmental engineering firms and state-owned enterprises highlights our market leadership and the trust our clients bestow upon us.
Leadership:Dr. Lin Xiaofeng, an esteemed Ph.D. graduate from the illustrious University of Strasbourg in France, has been duly honored with numerous awards, such as Suzhou Leading Talent and Jiangsu Dual Innovation Talent accolades. Under his dynamic leadership, the company's R&D efforts in TFN membrane industrialization continuously forge new paths.
WHY US?
FAQ:
(1) Q: Why Choose Our Company?
A: We provide complete water treatment solutions that are transforming the industry.
Our cutting-edge Thin Film Nanocomposite (TFN) membrane sheets, membrane elements, and holistic water treatment systems deliver unmatched solutions for customers seeking the latest technologies.
A: Customization capabilities
Our solutions are expertly backed by national specialist teams and the esteemed Tsinghua University Suzhou Environmental Innovation, ensuring personalized solutions for distinct customer needs.
A: Ensuring quality and delivering worth.
Our premium solutions not only promise excellence,but they also offer a significant return on investment (ROI) for our clients. We provide comprehensive training, support, and services, extending our local expertise to the global arena.Our approach is to offer complete training, robust support, and unparalleled services, leveraging our local expertise on a global stage.
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 International Trade Department, we have cultivated an unparalleled expertise in discerning customer needs. This enables us to offer pricing solutions that are not only competitive but also aligned with our clients' expectations and market trends.
(3) Q: How's the after-sale service?
A: Our elite team of engineers is at your service, ready to travel globally to provide exemplary on-site support. With the unwavering guidance of our merchandisers and the precision of expert translation services, we ensure a service experience that is as seamless as it is supportive.
(4) Q: How about the quality?
A: Our unwavering commitment to quality assurance is substantiated by sourcing primary sub-assemblies and raw materials from the titans of the industry. Our in-house experts meticulously craft key components, supported by a sophisticated assembly line and exhaustive quality testing, guaranteeing that our products meet and exceed the loftiest industry standards.
(5) Q: Product /Quality Guarantee and After Sale Service?
A: Experience tranquility with our expansive 1-year warranty, crafted to international standards for ultimate customer assurance. Our vigilant online support team stands by around the clock, ready to swiftly address and resolve any inquiries regarding our machine, ensuring you receive the highest level of service and satisfaction.
(6) Q: Certification?
A: It is with great pride that Tsingxi holds the prestigious ISO9001, ISO14001, and ISO45001 certifications. Our products are engineered with precision to meet the demanding technical standards of 3C and CE. Each offering in our portfolio is officially accredited by the Industry Administration Authority, reflecting our unwavering dedication to excellence in both quality and safety.Tsingxi continues to passionately pursue its vision of evolving into a preeminent high-tech force within the vibrant global water treatment arena, consistently setting new standards for innovation, quality, and reliability.
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