NF98 Series Nanofiltration Membrane Element Introducing the NF98 series Nanofiltration Membrane Element - crafted with cutting-edge Thin Film Nanocomposite (TFN) technology. These elements blend nano-level precision with ultra-thin hydrophilic coatings, resulting in remarkable anti-fouling capabilities. They offer an unprecedented flux, doubling that of conventional TFC membranes, while operating at a pressure that is at least 50% lower. This makes them the ideal upgrade for traditional membranes like NF270, XC-N, DL, DK, and others.
Key Features:
High Rejection Rate (over 98%):
Boasting high monovalent-divalent ion selectivity, these membranes facilitate the production of high-purity salt solutions. They also efficiently minimize the liquid volume, optimizing conditions for downstream thermal treatments.
Anti-fouling and Chemical Resistant
Meticulously engineered membrane chemistry guarantees a robust and reliable element lifespan, enhanced by exceptional anti-fouling properties.
Higher Flux
Achieves up to twice the flux compared to traditional TFC membranes, which translates to increased water and resource recovery and/or significantly reduced energy consumption.
High Removal of Organic Compounds
Demonstrates a high removal rate for organic compounds, including pesticides, herbicides, antibiotics, and THMprecursors, to name just a few.
Key Applications:
Industrial Minimum- and Zero-Liquid Discharge (MLD/ZLD)
Resource recovery and recycling in industrial settings
Water Softening
Chloralkali Processing
Landfill Leachate Treatment (de-coloring)
Product |
Effective Membrane
area ft² (m²) |
Feed spacer thickness
(mil) |
Product Flow Rate
gpd( m³/d) |
Rejection rate of Bivalent salt ion(%) |
Rejection rate of Monovalent salt ion(%) |
Pro-NF98-HF-4040 |
82(7.6) |
34 |
2800(10.6) |
96 |
30-50 |
Pro-NF98-HF-8040 |
400(37.2) |
34 |
13800(52.2) |
96 |
30-50 |
Pro-NF98-SP-4040 |
82(7.6) |
34 |
2500(9.5) |
99 |
30-50 |
Pro-NF98-SP-8040 |
400(37.2) |
34 |
12500(47.3) |
99 |
30-50 |
Pro-NF98-Pro-4040 |
82(7.6) |
34 |
1850(7.0) |
99 |
40-60 |
Pro-NF98-Pro-8040 |
400(37.2) |
34 |
9100(34.4) |
99 |
40-60 |
Pro-NF98-SPEC-4040 |
82(7.6) |
34 |
/ |
Customized |
Customized |
Pro-NF98-SPEC-8040 |
400(37.2) |
34 |
/ |
Customized |
Customized |
1. Our large flux water treatment membrane proudly boasts meticulously tested product flow rates and rejection rates. These rigorous tests were conducted under controlled and standardized conditions: 2000 ppm MgSO4 at 70 psi (0.48 MPa) with a temperature of 77 °F (25 °C) and a 15% recovery rate, as well as 2000 ppm NaCl under identical parameters. These stringent standards guarantee unwavering reliability and unparalleled consistency.
2. Revel in the water yield of our product, which impressively maintains a variation range of +/- 15%. This highlights not only its remarkable adaptability but also its supreme efficiency across diverse conditions.
3. The HF, SP, Pro, and SPEC designations embody the pinnacle of innovation: high throughput, salt separation, high rejection, and the bespoke customized series of nanofiltration membranes. For tailor-made solutions that cater to your specific needs, we invite you to engage with our expert pre-sales engineers.
SIZE: mm
Model |
A |
B |
C |
4040 |
1016 |
100.3 |
19.1 |
8040 |
1016 |
200 |
28.6 |
Industry Applications
Proshare Proshare Innovation Suzhou Co., Ltd. has garnered invaluable expertise by offering its advanced technical solutions to the industrial sector. This is essential where the demand for absolutely pure water is critical for diverse processes, including wastewater treatment, resource recycling, and reuse.
Our company is actively engaged in pivotal industry sectors such as petrochemicals, mining, lithium extraction from salt lakes, lithium iron phosphate & lithium battery recycling, semiconductors, seawater desalination, reclaimed water systems, leachate management, synthetic biology, copper foil production, pharmaceuticals, and power generation.
We also cater to industries like steam boiler feed operations, food & beverages (mineral water bottling, soft drinks, juices), painting lines, dairies, ice cream production, laundries, hospitals, textiles, mechanical industries, and steel manufacturing.
Hospitality/Seawater and Brackish Water Desalination Applications
Proshare's extensive expertise in desalination technology is also harnessed in the realm of water desalination for civil uses, especially in hotels and touristic resorts. Fresh water supply is crucial for these infrastructures. Our R.O. seawater or brackish water desalination solutions are designed to meet the escalating water demands of rapidly expanding touristic zones.
Municipal and Civil use
We deliver innovative and scalable solutions for the efficient and sustainable treatment of wastewater and effluents. Our extensive portfolio of patented technologies, combined with insights from national-level experts and scientific research institutions, ensures compliance with stringent health and environmental standards for municipalities. We are dedicated to refining our sanitation systems through the systematic feedback obtained from our field engineers.
Our expertise in sewage treatment is a cornerstone of our service offerings, empowering you to achieve your sustainable development goals. As a major proponent of sustainable development, we offer a comprehensive range of solutions, including:
Advanced sanitation technologies.
Efficient recovery of reusable materials from wastewater.
Farming applications
Water is crucial for ensuring the health and productivity of farm animals such as cattle, chickens, sheep, and pigs. Both the quantity and quality of water play a vital role in achieving the desired growth and performance of animals.
Farm water may originate from various sources, including water wells, civil water networks, and occasionally from rivers and other surface sources.
Excluding civil network water, which contains free chlorine, other sources typically have high levels of dissolved solids, suspended particles, and pathogens. Reverse osmosis technology has proven to be the most efficient means of mitigating these adverse effects, ensuring that contaminated farm water undergoes requisite technological treatments to reduce harmful substances for livestock.
Successful Cases Reference
Proshare PSI MEMBRANE Desalination RO Membrane Serves Desalination in Cruise Ship
Traditionally, the deployment of desalination membranes on international luxury cruise liners has been the realm of a select few global brands. Given the dynamic nature of feed water quality-varying in salinity and temperature as the ship sails-the need for membranes that seamlessly adapt while consistently delivering stable water output is paramount to fulfill the demands of these oceanic giants.
The PSI MEMBRANE Pro-HR-SW seawater desalination membranes have set a new standard, excelling in both desalination efficiency and steady water output. The resulting water quality aligns perfectly with the rigorous standards required by luxury cruise ships.
This extraordinary achievement led to the upgrade of desalination membranes on three more cruise ships. Proshare's triumph in this field marks a historic milestone as it becomes the inaugural national brand to secure international luxury cruise ship orders for desalination RO membranes.
A Complete Water Treatment Plant for Generating Ultra-pure Water in the Semiconductor Industry
It is well understood that the requirements for electronic-grade ultra-pure water via membrane desalination are exceptionally stringent, with only a select few brands capable of meeting these high standards.
Leveraging Proshare's groundbreaking TFN membrane technology and the seasoned expertise of the TsingXi team in water treatment, our comprehensive water treatment plant solutions have demonstrated outstanding rejection of salts, boron, and TOC. The water production capabilities have successfully met the stringent demands of the semiconductor industry's water standards.
This impressive outcome facilitated our acquisition of a prestigious electronic ultra-pure water treatment project from a renowned Japanese listed company.
Proshare Tailor-made TFN special acid-resistant and high-pressure membranes for Wastewater Treatment in Petrochemical and Refining Industries, Effectively Achieving Zero Liquid Discharge
Proshare Tailor-made TFN special acid-resistant and high-pressure membrane separation and concentration solutions for wastewater treatment involving ammonium sulphate desulphurisation has achieved concentration levels up to 40 times, with ammonium sulphate concentration reaching ≥ 20% in the concentrated solution. This significantly minimizes energy consumption during subsequent evaporation and crystallization processes, generating substantial cost savings for users. The stabilized water quality adheres to the China Petroleum and Chemical Corporation's corporate standard Q/SH 0628.2-2014 for circulating water makeup, and true zero wastewater discharge has been realized.
This remarkable result has secured further orders from additional group subsidiaries.
This membrane technology is also applicable to other high-temperature, highly acidic wastewater scenarios containing ammonium sulphate, such as in energy, refining, chemical, and metallurgical sectors. Our latest advancements in ammonia desulphurisation technology, integrated with carbon capture, support new energy consumption initiatives and the advancement of the green industry chain, aligning with national 'dual-carbon' policies.
Proshare TFN-SEP Customized NF Membrane Dramatically Enhances Lithium Permeate Rate to an Astonishing 96.6%, with Mg2+ Retention Rate Over 99%, and Ca2+ Retention Rate Surpassing 98%
Technical Bottlenecks in Membrane Separation (Nanofiltration/Reverse Osmosis) for Lithium Extraction from Salt Lakes, challenged by membrane fouling,low selectivity below 80%,High energy consumption accounts for 30%-40% of the total cost,short membrane lifespan is only 2-3 years.
Proshare PSI MEMBRANE TFN-SEP Customized NF /RO Membrane
demonstrated exceptional and superior performance data in an intricate and pioneering lithium extraction project located at the picturesque Lakkor Tso Salt Lake , Tibet, China:
With an efficient 2-stage Nanofiltration process plus a single-stage RO, the system delivers pure water with Mg2+ at 2.9mg/L and Ca2+ at 2.25mg/L. Retention rate of Mg2+ exceeds 99%, while retention rate of Ca2+ surpasses 98%, with lithium permeate rate at an impressive 96.6%, achieving a flux close to 20LMH under the optimized operating pressure of 1MPa.This proven membrane technology stands out as both environmentally and economically friendly, while significantly enhancing product purity and quality.
Proshare Revolutionary Team Breakthrough in Cutting-Edge Reverse Osmosis Membrane Technology
Proshare The pioneering team at Proshare has ingeniously crafted an advanced generation of reverse osmosis membranes. Utilizing state-of-the-art polymer interface nano-self-assembly technology, they have outstripped the constraints of traditional reverse osmosis membrane development with two groundbreaking advancements:
Ultra-Thin Separation Layer: Harnessing the power of polymer interface nanotechnology, the team has triumphed in reducing the separation layer's thickness to a remarkable level, making it at least three times thinner than the conventional polyamide thin film, which was previously capped at 100 nm. This monumental achievement significantly amplifies water flux, resulting in a dramatic enhancement in permeability.
Enhanced Performance: The strategic incorporation of nanoparticles alongside specialized hydrophilic polymers has ushered in transformative advancements in the membrane's hydrophilicity, anti-fouling proficiency, durability, and resistance to oxidation.
In comparison to traditional polyamide reverse osmosis membranes, Proshare's innovation heralds breakthroughs across four pivotal dimensions:
Self-Assembled Nanocomposite Films
By integrating nano-scale precision control with nano-doping modifications, ultra-thin, meticulously ordered separation layers are crafted through polymer interface nanotechnology. This sophisticated method successfully surpasses the limitations of conventional polyamide membranes in both thickness uniformity and material diversity.
Enhanced Water Flux and Energy Efficiency
Through the meticulous optimization of the layer-by-layer self-assembly process, the functional layer thickness is expertly managed, yielding a remarkable 3x reduction compared to traditional membranes. This results in >3x higher water flux and a remarkable 30% reduction in energy consumption.
Innovative Polymer Materials with Superior Chemical Stability
Surpassing polyamide, the team employs cutting-edge hydrophilic polymers, such as modified polysulfones, alongside ceramic-organic hybrids. These advanced materials showcase exceptional oxidation resistance (withstanding exposure to 10 ppm chlorine) and impressive pH tolerance (remaining stable across a pH range of 1 to 12).
Anti-Fouling Surface Engineering
With a superhydrophilic surface (contact angle <10°) reinforced by nanoparticles, the organic fouling propensity is slashed by 50%, extending chemical cleaning cycles from 3 to 6 months, while maintenance costs are reduced by an impressive 40%.
Health & Safety Management System Certificate Environmental Management System Certificate ISO 9001 Quality System Certificate Proshare Innovation Suzhou Co., Ltd. is proud to uphold the highest standards, as evidenced by our comprehensive health and safety management system, our commitment to environmental stewardship, and our adherence to ISO 9001 quality management protocols.
Invention Patent of Membranes Production Invention Patent of Multi-Layer RO Membrane Utility Model Patent Certificates Our dedication to innovation is demonstrated through our array of patents. From pioneering advancements in membrane production to the development of multi-layer RO membranes, Proshare Innovation Suzhou Co., Ltd. consistently leads the market with cutting-edge technologies.
Proshare Innovation Suzhou Co., Ltd. is a distinguished national high-tech enterprise at the forefront of R&D and the industrialization of groundbreaking third-generation thin-film nanocomposite (TFN) membranes. Specializing in reverse osmosis (RO), nanofiltration (NF), and material separation applications, the company was established in 2017 by an elite team of overseas-returned doctoral experts, led by the visionary Dr. Lin Xiaofeng, a recipient of prestigious national-level talent programs. Proshare proudly stands as China's exclusive domestic manufacturer of TFN membranes, setting new benchmarks in the industry.
Core Competencies
Technological Innovation: Proshare has revolutionized the application of TFN technology, leading to fully autonomous R&D and localized production of nanofiltration membranes and manufacturing equipment, showcasing unmatched technological prowess.
Intellectual Property: With an impressive portfolio of over 31 patents, Proshare's membrane performance has achieved internationally leading standards, effectively replacing previously monopolized foreign products.
Production Capacity: With the operation of a state-of-the-art 2,000 m² R&D facility alongside a 15,000 m² cutting-edge production base, Proshare is equipped to meet substantial production demands with precision.
Funding: Successfully completed Pre-A Round (2023) and A Round (January 2025) financing, solidly backed by influential entities such as the Suzhou Industrial Park Science Innovation Fund and Yong Sheng Capital.
Market Recognition: Proshare has been entrusted as a preferred supplier by prominent listed environmental engineering firms and esteemed state-owned enterprises, affirming its market leadership.
Leadership:Under the astute leadership of Dr. Lin Xiaofeng, a distinguished Ph.D. graduate from the University of Strasbourg (France), who has garnered numerous provincial and national talent accolades including Suzhou Leading Talent and Jiangsu Dual Innovation Talent, the company continues to drive R&D breakthroughs in TFN membrane industrialization.
WHY US?
FAQ:
(1) Q: Why Choose Our Company?
A: Comprehensive water treatment solutions
We deliver revolutionary Thin Film Nanocomposite (TFN) membrane sheets, membrane elements, and cutting-edge water treatment system solutions that redefine industry standards.
A: Unmatched customization capabilities
Our expertise is bolstered by national expert teams and the prestigious Tsinghua University Suzhou Environmental Innovation.
A: Commitment to quality and value delivery
Our exceptional solutions not only meet premium quality standards , but also generate substantial ROI for our clients. We provide comprehensive training, unwavering support, and unparalleled services, leveraging our local expertise to impact global markets.
A: Partnering with our clients
Our inspiration is drawn from our clients and their daily endeavors to offer the most precious resource of hope - clean water. Together, we aspire to thrive in a world optimized for water efficiency.
(2) Q: Are you a manufacturer or Trade Company?
A: We are a professional manufacturer with a dedicated International Trade Department, enabling us to understand our customers' needs intricately and offer competitive pricing.
(3) Q: How's the after-sale service?
A: We provide engineers who are available for overseas service, ensuring seamless communication under the guidance of merchandisers and translators.
(4) Q: How about the quality?
A: Our main sub-assemblies and raw materials are sourced from industry giants, while key components are innovatively developed by our skilled staff. Our professional assembly lines and rigorous quality testing systems guarantee that your high-quality expectations are met.
(5) Q: Product /Quality Guarantee and After Sale Service?
A: Enjoy peace of mind with our 1-year warranty, adhering to International standards. Our dedicated team is available online 24/7, ready to assist you with any inquiries regarding our cutting-edge machine. Connect with us anytime for unparalleled support.
(6) Q: Certification?
A: Proudly, Tsingxi is accredited with ISO9001, ISO14001, and ISO45001 certifications. Our products are meticulously engineered to comply with the stringent technical standards of 3C and CE. All offerings are officially certified by the Industry Administration Authority, ensuring top-tier quality and reliability. Tsingxi stands committed to its mission of becoming a formidable high-tech enterprise in the expansive global water treatment arena. Tsingxi will continue to strive to be a stronger high-tech company in the global market of water treatment.