PSI MEMBRANE® Thin Film Nanocomposite (TFN)
Loose Nanofiltration or Compact Ultrafiltration Membrane
UNF TFN SeriesDive into the future of filtration with our UNF series, harnessing the revolutionary Thin Film Nanocomposite (TFN) technology. This state-of-the-art innovation incorporates a nano-level, ultra-thin hydrophilic coating, enhancing anti-fouling performance like never before. Exceptional flux rates-an extraordinary four times higher than traditional TFC membranes-are achieved while operating at a remarkably reduced pressure of at least 50% lower. This makes it the perfect replacement for conventional TFC membranes, setting a new standard in efficiency and performance.
Key features:
Precision at its Best Higher
Crafted with meticulous precision, featuring multiple precise cutting molecules, each membrane is tailored to meet specific customer demands, providing unmatched accuracy and customization.
Unmatched Efficiency
Harness the unparalleled efficiency of Proshare Innovation's membranes, achieving flow rates up to four times greater than even the leading imported brands. This extraordinary performance translates to significant energy savings and reduced project costs, positioning our membranes as the most efficient choice for industrial applications.
Superior Selective Separation
Our membranes offer exceptional ultra-high selectivity, proficiently removing most colloidal iron, colloidal silicon, humic acid, and other dissolved organic matter (DOM). Meanwhile, inorganic single and bivalent ions pass through effortlessly, ensuring optimal separation efficiency.
Industrial Minimum- and Zero-Liquid Discharge (MLD/ZLD)
Key Applications:
Industrial Minimum- and Zero-Liquid Discharge (MLD/ZLD)
Indispensable for industrial resource recovery and recycling, our membranes are ideal for diverse sectors such as steel & metals, precious metals, chemical, medical, pharmaceutical, food, and petrochemical industries. They ensure resource optimization and cost-effectiveness in every application.
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 optimal performance, the permeate flow rate and stabilized salt rejection are accurately assessed under these 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) prior to any hot water disinfection.
2. Please be aware that the variation range of permeate flow is +/-15%, with potential further fluctuations in the 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. stands out as a beacon of excellence, having accumulated a treasure trove of invaluable expertise. By offering top-tier, bespoke technical solutions, we cater precisely to the industrial sector's need for impeccably pure water. Our unmatched proficiency spans across complex industrial operations, wastewater treatment and recycling, and resource recovery, ensuring that Proshare remains the gold standard in the industry.
Proshare takes pride in being actively involved in a diverse array of critical industry sectors. Our footprint spans the petrochemical arena, mining, lithium extraction from salt lakes, and lithium battery recycling, among others. We also make significant strides in semiconductors, seawater desalinization, reclaimed water management, leachate treatment, synthetic biology, copper foil manufacturing, pharmaceuticals, and power generation, showcasing our versatile and dynamic capabilities.
Our expansive expertise effortlessly covers an array of applications: from steam boiler feeding, food & beverage industries like mineral water bottling, soft drinks, and juices, to painting lines and dairies. We also excel in ice cream production, laundries, hospitals, textiles, mechanical industries, and steel companies, ensuring that Proshare's solutions are perfectly tailored to any industry demand.
Hospitality/Seawater and Brackish Water Desalination Applications
Proshare's mastery in desalination technology has carved a niche in the civil water supply for hotels and tourist resorts. Recognizing the paramount need for fresh water in these establishments, our sophisticated R.O. sea and brackish water desalination solutions present a reliable and advanced alternative. They meet the burgeoning demands of swiftly expanding tourist hotspots with a finesse that sets us apart.
Municipal and Civil Use
At Proshare, we're committed to pioneering innovative, scalable, and eco-conscious solutions for the sustainable treatment of wastewater and effluents. Our extensive portfolio, rich with patented technologies and backed by national-level expertise and scientific prowess, ensures municipalities uphold the highest health and environmental standards. We are driven by a relentless pursuit of excellence, continually refining our sanitation systems through systematic, real-time insights from our dedicated field engineers.
Our deep-rooted expertise in sewage treatment forms the foundation of our ability to help you realize your sustainable development goals. As a frontrunner in sustainable development, we offer an impressive suite of solutions, including:
State-of-the-art Sanitation technologies.
Innovative Recovery of Reusable Materials from Wastewater.
Farming Applications
Ensuring optimal animal health and peak productivity-be it cattle, chickens, sheep, or pigs-requires water quality that matches its availability. At Proshare, we understand that water quality is pivotal in driving the growth and performance of the animals, thus significantly impacting overall productivity.
Farm water sources are as varied as they are vital, ranging from water wells and civil water networks to rivers and other surface sources, each with unique attributes. Understanding these characteristics allows us to tailor precise solutions.
Outside of chlorine-treated networks, other water sources often contain high levels of dissolved and suspended solids and pathogens. Reverse osmosis technology emerges as the premier solution to effectively address these impurities. For farm water, especially from non-civil sources, employing cutting-edge technological treatment is crucial to reduce harmful substances, 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 dominated by established global brands. These majestic vessels traverse diverse maritime environments, where variable salinity and temperatures of feed water demand exceptional membranes that can adapt and perform under all conditions. Proshare's cutting-edge membrane technology ensures reliable water production, perfectly meeting the rigorous requirements of seafaring liners and effortlessly overcoming these maritime challenges.
The PSI MEMBRANE Pro-HR-SW seawater desalination membranes have established a new standard of excellence, with their exceptional desalination efficiency and unwavering water production reliability. These advanced membranes not only fulfill but surpass the stringent cruise ship water quality standards, delivering unrivaled performance for the world's most luxurious liners.
This remarkable success has catalyzed a revolutionary transition, leading to the replacement of existing desalination membranes across three additional cruise ships. Proshare's outstanding achievement in this endeavor positions it as the pioneering national brand to secure international luxury cruise ship orders for desalination RO membranes.
AComplete Water Treatment Plant for Generating Ultra-pure Water in the Semiconductor Industry
The need for electronic-grade ultra-pure water, particularly in the membrane desalination sector, is incredibly stringent. Only a select group of elite brands are capable of meeting these exacting standards, ensuring the utmost quality in water production.
By leveraging Proshare's groundbreaking TFN membrane technology and the TsingXi team's expansive expertise in water treatment, our comprehensive water treatment plant delivers top-tier pure water equipment solutions. These systems exhibit superior rejection rates of salts, boron, and TOC, ensuring that the water production exceeds the semiconductor industry's rigorous water quality requirements.
This outstanding achievement has enabled us to secure a prestigious electronic ultra-pure water treatment project from a prominent Japanese listed company, marking a significant milestone in our journey.
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, expertly designed forwastewater treatment in ammonium sulphate desulphurisation processes, have achieved an outstanding concentration level up to 40 times, with an ammonium sulphate concentration of ≥ 20% in the concentrated water. This innovation dramatically reduces energy consumption for subsequent evaporation and crystallization processes, offering substantial cost savings. The water produced consistently 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 remarkable outcome has initiated a surge of follow-up orders from other subsidiaries within the group, solidifying our esteemed reputation.
This membrane technology extends its applicability to other high-temperature, highly acidic wastewater scenarios involving ammonium sulphate, across sectors such as energy, refining, chemical, and metallurgy. The latest advances in ammonia desulphurization technology, combined with carbon capture, enhance new energy consumption and promote 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,lowsElectrical efficiency currently stands at just under 80%. This indicates substantial potential for growth and optimization, paving the way for advanced technological enhancements.HighenergyConsumption could represent approximately 30% to 40% of the total operational cost. This highlights a significant opportunity for pioneering cost-saving innovations.ShortMembranelifespan is projected to be in the range of 2 to 3 years, providing a highly reliable and robust solution for a multitude of applications.
Proshare PSI MEMBRANE TFN-SEP Customized NF/RO Membrane
has exhibited extraordinaryperformanceData in an essential lithiumextraction project located in thepristine Lakkor Tso Salt Lake , Tibet, China:
By utilizing an efficient 2-stage Nanofiltrationprocess seamlessly integrated 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+ exceeds 99%, while Ca2+ is retained at over 98%. Furthermore, the lithiumpermeate rate attains an outstanding 96.6%, with the flux approaching nearly 20LMH under an operating pressure of 1MPa.Our tried-and-tested membrane technology is both environmentally and economically sustainable, markedly enhancing product purity and quality.
ProshareTeam's Breakthrough in Next-Generation Reverse Osmosis Membrane Technology
ProshareOur elite team has pioneered an extraordinary leap forward in reverse osmosis membrane technology. Harnessing the exceptional capabilities of polymer interface nano-self-assembly, we've obliterated the conventional barriers in membrane development with two groundbreaking innovations:
Ultra-Thin Separation Layer: By masterfully applying advanced polymer interface nanotechnology, we've crafted a separation layer three times thinner than the traditional 100 nm polyamide thin films. This remarkable reduction in thickness escalates water flux, dramatically enhancing both permeability and efficiency.
Enhanced Performance: Through the strategic introduction of nanoparticles combined with specialized hydrophilic polymers, we've attained unparalleled advancements in hydrophilicity, anti-fouling capabilities, durability, and oxidative resistance.
Compared to traditional polyamide reverse osmosis membranes,Proshare's innovation unfolds in breakthroughs across four critical dimensions:
Self-Assembled Nanocomposite Films
Uniting nano-scale precision control with nano-doping modification allows for the creation of ultra-thin, intricately ordered separation layers via polymer interface nanotechnology. This revolutionary approach surpasses the challenges of thickness uniformity and material diversity prevalent in traditional polyamide membranes.
Enhanced Water Flux and Energy Efficiency
By precisely optimizing the layer-by-layer self-assembly process, we have meticulously regulated the functional layer thickness, achieving an extraordinary reduction, tripling the water flux compared to conventional membranes. This strategic advancement yields >3x higher water flux and 30% lower energy consumption.
Novel Polymer Materials with Superior Chemical Stability
Moving beyond traditional polyamide, our team utilizes pioneering hydrophilic polymers (e.g., modified polysulfones) and ceramic-organic hybrids. These innovative materials deliver exceptional oxidation resistance (withstanding 10 ppm chlorine exposure) and pH tolerance (maintaining stability within the 1-12 pH range).
Anti-Fouling Surface Engineering
Our ultra-hydrophilic surface, engineered with a contact angle under 10° and reinforced by nanoparticles, effectively minimizes organic fouling by 50%. This innovation extends chemical cleaning intervals from 3 to 6 months, slashing maintenance costs by 40%.
Health & Safety Management System Certificate, Environmental Management System Certificate, ISO 9001 Quality System Certificate Proshare Innovation Suzhou Co., Ltd. proudly upholds a legacy of excellence, demonstrated by our prestigious certifications. These accolades illuminate our unwavering commitment to embody the highest industry standards. Our certifications are a testament to our meticulous health and safety management protocols, our steadfast dedication to environmental stewardship, and our consistent adherence to the ISO 9001 quality management criteria. This trio of esteemed certifications not only underscores our comprehensive and proactive management approach but also reinforces our pledge to deliver unparalleled products and services.
Invention Patent of Membranes Production, Invention Patent of Multi-Layer RO Membrane, Utility Model Patent Certificates At Proshare Innovation Suzhou Co., Ltd., innovation is more than just a term-it is the cornerstone of our identity. Our extensive portfolio of patents is a proud reflection of our relentless drive for technological advancement. From revolutionary breakthroughs in membrane production to pioneering the sophisticated development of multi-layer RO membranes, our patents stand as a bold testament to our leadership in the vanguard of cutting-edge technologies. We are trailblazers, consistently reshaping the future of the industry with our creative genius and pioneering solutions.
Proshare Innovation SuzhouCo., Ltd. emerges as a luminous exemplar of avant-garde technology in the ever-evolving sphere of water purification. As an esteemed national high-tech enterprise, we are passionately dedicated to spearheading advancements in the third-generation thin-film nanocomposite (TFN) membranes. These cutting-edge membranes are meticulously engineered for reverse osmosis (RO), nanofiltration (NF), and other crucial material separation applications. Founded in the dynamic and transformative year of 2017 by forward-thinking doctoral experts returning from abroad, and guided by the esteemed leadership of Dr. Lin Xiaofeng-celebrated with national-level talent recognitions-Proshare Innovation proudly stands as China's exclusive domestic manufacturer of TFN membranes.
Core Competencies
Technological Innovation: As pioneers in this groundbreaking field, we have adeptly integrated TFN technology into nanofiltration membranes, achieving full autonomy in research and development. Our state-of-the-art facilities ensure the localization of membrane manufacturing and equipment, setting unparalleled industry standards.
Intellectual Property: With a remarkable portfolio featuring over 31 patents, our membrane performance not only meets but surpasses international standards, effectively displacing previously monopolized foreign products and revolutionizing industry benchmarks.
Production Capacity: Operating from a sophisticated 2,000 m² R&D facility, our capabilities are further bolstered by our expansive15,000 m² production base, expertly equipped to cater to the escalating demand for our innovative solutions.
Funding: With a 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 solidifies our financial foundation and propels our growth trajectory.
Market Recognition: Our distinction as the preferred supplier for prominent listed environmental engineering firms and state-owned enterprises underscores our market leadership and the unwavering trust and confidence our clients place in us.
Leadership:Dr. Lin Xiaofeng, a distinguished Ph.D. graduate from the prestigious University of Strasbourg in France, has been honored with 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 explore new frontiers.
WHY US?
FAQ:
(1) Q: Why Choose Our Company?
A: We offer a comprehensive suite of water treatment solutions that are redefining industry standards.
Our pioneering Thin Film Nanocomposite (TFN) membrane sheets, membrane elements, and all-encompassing water treatment systems deliver unparalleled solutions for clients seeking state-of-the-art technology.
A: Customization capabilities
Our offerings are expertly backed by national specialist teams and the esteemed Tsinghua University Suzhou Environmental Innovation, ensuring bespoke solutions tailored to meet our customers' distinct and unique needs.
A: Ensuring quality and delivering worth.
Our top-tier solutions not only guarantee exceptional quality,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 a global audience.Our approach is to deliver comprehensive training, robust support, and unmatched services, leveraging our local expertise to create a global impact.
A: Collaborating with our customers
We draw inspiration from our customers, who tirelessly strive to provide the invaluable gift of clean water. Together, we aim for a world optimized by water solutions, paving the way for a brighter and more sustainable future.
(2) Q: Are you a manufacturer or Trade Company?
A: As a professional manufacturer, empowered by our cutting-edge International Trade Department, we excel in understanding and exceeding the desires and expectations of our discerning clientele. This profound insight enables us to offer pricing that is not only exceptionally competitive but also meticulously tailored to deliver extraordinary value.
(3) Q: How's the after-sale service?
A: Our skilled team of engineers is always ready to deliver exceptional on-site service internationally. With the unwavering support of our attentive merchandiser's supervision and seamless translation services, we ensure you receive a flawless post-purchase experience that exceeds all expectations.
(4) Q: How about the quality?
A: Our dedication to quality is resolute, anchored by sourcing main sub-assemblies and raw materials from the industry's elite. Our expert team meticulously crafts essential components in-house, cultivating a professional assembly process fortified by rigorous quality testing, all aligned with the apex of excellence standards.
(5) Q: Product /Quality Guarantee and After Sale Service?
A: Revel in peace of mind with our comprehensive 1-year warranty that adheres to stringent international standards. Our dedicated online support team is available 24/7, eager to promptly and effectively resolve any inquiries about our machine, ensuring a seamless customer experience throughout your journey with us.
(6) Q: Certification?
A: We proudly stand as Tsingxi, an esteemed company accredited with ISO9001, ISO14001, and ISO45001 certifications. Our products, crafted with meticulous precision, meet the demanding technical standards of 3C and CE, and each item is officially certified by the Industry Administration Authority, highlighting our unwavering commitment to quality and safety.Tsingxi remains steadfast in its mission to elevate its position as a powerhouse of high-tech prowess in the ever-evolving global water treatment market, consistently establishing new benchmarks for innovation and reliability.