PSI MEMBRANE® Introducing the Pro-LP Ultra-low Pressure Reverse Osmosis Membrane Element,which is expertly incorporated with our cutting-edge Thin Film Nanocomposite (TFN) Technology. This groundbreaking advancement achieves exceptional high flux at ultra-low operating pressures, significantly reducing costs.
Key features: Experience the Advantage of:
- 30% loweroperating pressures- Enjoy greatly reduced energy costs and enhanced productivity, particularly in cold water environments.Benefit from 440ft2 Active Area:
- Optimized to minimize equipment CAPEX in design, enabling savings on elements and pumping with its expansive 440 ft2 active area.Wide Cleaning pH Range:
- Boasting the widest cleaning pH range (1-13) available, this membrane's anti-fouling surface ensures superior cleaning performance, remarkable robustness, and extended durability.Key applications: Ideal for:
Softening, producing ultra-pure water, and water reuse processes across diverse industries such as
pharmaceutical, electronics, power generation, petrochemical, refinery, food & beverage, municipal, and more.
Embrace advanced filtration in these critical sectors with Proshare Innovation Suzhou Co., Ltd.'s Proshare Industrial Water Filter System.
Product |
Effective Membrane area ft² (m²) |
Feed spacer thickness(mil) |
Product Flow Rate
g p d( m ³/d) |
Stable Salt Rejection
(%) |
Minimum desalting rate
(%)
|
Pro-LP-2540 |
28(2.6) |
32 |
750(2.8)
|
99.4 |
99.2 |
Pro-LP-4021 |
36(3.3) |
32 |
1000(3.8)
|
99.4 |
99.2 |
Pro-LP-4040 |
82(7.6) |
32 |
2800(10.6)
|
99.4 |
99.2 |
Pro-LP-8040 |
440(40) |
32 |
12000(45.9) |
99.4 |
99.2 |
1. The product flow rate and salt rejection rate were meticulously calibrated under optimal test conditions:
Feed water concentration of 1500 ppm as NaCl, feed water pressure maintained at 225 psi (1.55 MPa), feed water temperature precisely set at 77°F (25°C), and a strategic recovery rate of 15% for individual membranes.
2. Expect a product flow variation range of +/- 15%, ensuring reliable performance under diverse conditions.
Operating Condition:
Operating Limits |
Unit |
Value |
Maximum operatingpressure |
psi(bar) |
600(41) |
Maximumfeed water temperature |
°F(°C) |
113(45) |
Maximum pressure drop |
bar |
1 |
ContinuousoperationpH range |
|
2~11 |
Cleaning PH range |
|
1~13 |
Maximum feed watere SDl15 |
|
5 |
Maximum influent turbidity |
ntu |
1 |
Maximum residual chlorine concentration of influent |
ppm |
<0.1 |
SIZE: mm
Model |
A |
B |
C |
Pro-LP-2540 |
1016 |
61 |
19 |
Pro-LP-4021 |
533 |
100 |
19 |
Pro-LP-4040 |
1016 |
100.3 |
19.1 |
Pro-LP-8040 |
1016 |
200 |
28.6 |
Industry Applications
Proshare Proshare Innovation Suzhou Co., Ltd. has carved a niche in offering unrivaled technical solutions to the industrial sector. Recognizing the paramount need for impeccably pure water in various industrial processes, our expertise extends to wastewater treatment, resource reuse, and recycling, ensuring optimal operational efficiency and sustainability.
Our extensive industry involvement spans across key sectors such as petrochemical, mining, lithium extraction from salt lakes, as well as lithium iron phosphate and lithium battery recycling. Furthermore, we cater to the semiconductor industry, seawater desalination, reclaimed water, leachate, synthetic biology, copper foil production, pharmaceuticals, and power generation.
Our reach further includes applications in steam boiler feeding, food and beverages production-spanning mineral water bottling, soft drinks, and juices-along with painting lines, dairies, ice creams, laundries, hospitals, textiles, mechanical industries, and steel companies, ensuring comprehensive coverage for diverse requirements.
Hospitality/Seawater and Brackish Water Desalination Applications
Proshare's extensive expertise in desalination technology extends to the civil realm, particularly within hotels and tourist resorts. Freshwater is crucial for these infrastructures, and our reverse osmosis solutions offer an effective alternative for seawater or brackish water desalination, meeting the escalating water demands of burgeoning touristic zones.
Farming applications
In the realm of agriculture, water is vital for ensuring animal health and achieving optimum productivity in cattle, chickens, sheep, and pigs. Beyond mere quantity, the quality of water plays a crucial role in influencing animal growth and performance.
Farm water sources vary from wells to civil water networks, and occasionally rivers and surface sources. Each source has distinct characteristics that require careful consideration to maintain water quality and safety for farm use.
Besides chlorinated civil networks, other sources often harbor high levels of dissolved solids and pathogens. Reverse osmosis technology emerges as the premier solution to diminish these contaminants, ensuring that farm water is treated to mitigate any harmful impact on livestock.
Municipal and Civil use
Proshare provides cutting-edge and adaptable solutions for the efficient and sustainable treatment of wastewater and effluents. Our patented technologies, coupled with national experts and premier research institutions, offer reassurance for municipalities adhering to stringent health and environmental standards, reflecting our commitment to continuous improvement.
Our profound sewage treatment expertise is integral to our mission of supporting your sustainable development goals. As a leader in sustainable advancement, we offer a diverse range of solutions including:
Advanced sanitation technologies.
Efficient recovery of reusable materials from wastewater.
Proshare PSI MEMBRANE: Industry Leader Innovative Desalination RO Membrane Serving Desalination Needs Everywhere Luxurious Cruise Ship Solutions
Historically dominated by a select few international brands, the application of desalination membranes on luxury cruise ships faces challenges due to the fluctuating salinity and temperature of feed water throughout voyages. The membranes must seamlessly adapt to varying conditions to ensure consistent water production, catering to the specific needs of ocean-going vessels with unmatched precision.
The PSI MEMBRANE Pro-HR-SW seawater desalination membranes exhibited remarkable performance, showcasing superior desalination rates and stable water production. This triumph ensured the produced water surpassed even the most rigorous standards required by luxury cruise ships.
This extraordinary success narrative led to a landmark achievement, as three additional cruise ships opted for the replacement of their desalination membranes. Proshare proudly emerged as the pioneering national brand to secure international orders from luxury cruise ships for desalination RO membranes.
A Comprehensive Solution Complete Water Treatment Plant for Generating Ultra-Pure Water in the Semiconductor Sector
Meeting the demanding electronic-grade ultra-pure water standards in membrane desalination is a feat achieved by only a select few brands. Proshare leads the charge in fulfilling these extraordinary requirements.
Fueled by Proshare's revolutionary TFN membrane technology and the extensive expertise of the TsingXi team in water treatment, a complete water treatment plant solution for pure water equipment has demonstrated exceptional rejection performance for salt, boron, and TOC. The system's water output has successfully met the stringent water requirements of the semiconductor industry.
This stellar outcome facilitated us in securing the electronic ultra-pure water treatment project with a prestigious Japanese listed company.
Proshare's Commitment to Excellence Tailor-Made Innovations TFN Special Acid-Resistant and High-Pressure Membranes Achieving Zero Liquid Discharge in Petrochemical/Refining Wastewater Treatment
Proshare's Ingenuity Customized Solutions for Industrial Needs TFN special acid-resistant and high-pressure membranes, coupled with a separation and concentration device, revolutionized wastewater treatment containing ammonium sulphate desulphurization. Achieving concentrations up to 40 times the ammonium sulphate level, with concentrated water at ≥ 20%, significantly reduces subsequent energy consumption in evaporation and crystallization. This results in remarkable cost savings for users, while producing stable, high-quality water that meets China Petroleum and Chemical Corporation's corporate standards, with genuine zero wastewater discharge.
This Exemplary Outcome spurred subsequent orders from other group subsidiaries, amplifying Proshare's industry influence.
These Versatile Membranes are applicable to other high-temperature, highly acidic wastewater scenarios involving ammonium sulphate in industries such as energy, refining, chemical, and metallurgy. Leveraging ammonia desulphurization technology combined with carbon capture promotes the green industry chain, aligning with the national 'dual-carbon' policy for sustainable growth.
Proshare's Vision for the Future TFN-SEP Customized NF Membrane: Elevating Lithium ExtractionBoosting lithium permeate rates to an impressive 96.6%, with Mg2+ retention surpassing 99%,and Ca2+ retention over 98%, Proshare addresses
Technical Challenges Overcome in Membrane Separation (Nanofiltration/Reverse Osmosis) for Lithium Extraction from Salt Lakes, overcoming obstacles posed by membrane's susceptibility to fouling, through pioneering advancements.low selectivity <80%,high energy consumption accounts for 30%-40% of total cost,short membrane lifespan 2-3 years.
Proshare PSI MEMBRANE TFN-SEP Customized NF/RO Membrane
demonstrated superior performance data in an lithium extraction project located in Lakkor Tso Salt Lake , Tibet, China:
With only 2-stage Nanofiltration process + 1-stage RO providing production water with Mg2+ 2.9 mg/L, Ca2+ 2.25 mg/L, demonstrating a retention rate of Mg2+ > 99%, Ca2+ > 98%, and lithium permeate rate 96.6%, achieving a flux close to 20 LMH under the operating pressure of 1 MPa.Proven membrane technology is both environmentally and economically friendly, significantly enhancing product purity and quality.

Proshare Revolutionary Advances by Our Team in Cutting-Edge Reverse Osmosis Membrane Technology
Proshare Our talented team has ingeniously crafted a pioneering generation of reverse osmosis membranes utilizing state-of-the-art polymer interface nano-self-assembly technology. This trailblazing effort surmounts the traditional challenges of reverse osmosis membrane development through two groundbreaking advancements:
Ultra-Thin Separation Layer: Leveraging advanced polymer interface nanotechnology, the team has achieved an astonishing reduction in the separation layer thickness to a third of the conventional polyamide thin film's thickness (previously limited to 100 nm). This remarkable feat dramatically boosts water flux, resulting in a substantial leap in permeability.
Enhanced Performance: The incorporation of nanoparticles along with specialized hydrophilic polymers has propelled us to remarkable advancements in the membrane's hydrophilicity, anti-fouling capacity, durability, and resistance to oxidation.
When compared to traditional polyamide reverse osmosis membranes, Proshare's innovation showcases breakthroughs across four crucial dimensions:
Self-Assembled Nanocomposite Films
Through the fusion of nano-scale precision control and nano-doping modification, we craft ultra-thin, meticulously ordered separation layers using polymer interface nanotechnology, effectively addressing the constraints of conventional polyamide membranes in terms of thickness uniformity and material diversity.
Enhanced Water Flux and Energy Efficiency
By perfecting the layer-by-layer self-assembly process, we achieve precise control over the functional layer thickness, culminating in a 3x thickness reduction compared to traditional membranes. This innovation leads to over 3x higher water flux and a 30% reduction in energy consumption.
Innovative Polymer Materials with Unmatched Chemical Stability
Moving beyond the confines of polyamide, our team harnesses advanced hydrophilic polymers (such as modified polysulfones) and ceramic-organic hybrids. These materials boast extraordinary resistance to oxidation (withstanding exposure to 10 ppm chlorine) and pH resilience (remaining stable across a 1-12 pH spectrum).
Pioneering Anti-Fouling Surface Engineering
Our superhydrophilic surface (contact angle <10°) paired with nanoparticle reinforcement dramatically reduces organic fouling propensity by 50%, doubling the interval between chemical cleanings from 3 to 6 months and slashing maintenance costs by a remarkable 40%.
Our Commitment to Excellence: - Health & Safety Management System Certificate - Environmental Management System Certificate - ISO 9001 Quality System Certificate
Pioneering Innovation: - Invention Patent for Membrane Production - Invention Patent for Multi-layer Reverse Osmosis Membrane Environmentally Responsible: - RoHS Compliance Certificate
Proshare Innovation Suzhou Co., Ltd. is a prestigious national high-tech enterprise dedicated to the research, development, and commercialization of third-generation thin-film nanocomposite (TFN) membranes. These are expertly crafted for reverse osmosis (RO), nanofiltration (NF), and material separation applications. Established in 2017 by a distinguished team of returning overseas doctoral experts, spearheaded by the illustrious Dr. Lin Xiaofeng-a luminary recognized by national talent programs-Proshare proudly stands as China's exclusive domestic manufacturer of TFN membranes.
Core Competencies
Technological Innovation: Trailblazing the implementation of TFN technology tailored for nanofiltration membranes, achieving full-scale independent research, development, and localized production of both membranes and manufacturing equipment, setting industry standards.
Intellectual Property: Proud holder of an impressive portfolio of over 31 patents, ensuring membrane performance that meets and exceeds international benchmarks, effectively challenging foreign monopolies.
Production Capacity: Manages a cutting-edge 2,000 m² R&D center alongside a massive 15,000 m² production hub, ensuring robust manufacturing capabilities.
Funding: Successfully completed Pre-A Round (2023) and A Round (January 2025) financing, supported by the prestigious Suzhou Industrial Park Science Innovation Fund and Yong Sheng Capital.
Market Recognition: Esteemed as the preferred supplier for leading environmental engineering companies and state-owned enterprises, a testament to our market leadership.
Leadership:Dr. Lin Xiaofeng, an esteemed Ph.D. graduate from the University of Strasbourg in France, has been lauded with multiple provincial and national talent accolades, including Suzhou Leading Talent and Jiangsu Dual Innovation Talent. Under his visionary leadership, the company is achieving groundbreaking advancements in the industrialization of TFN membranes.
WHY US?
FAQ:
(1) Q: Why Choose Our Company?
A: Complete water treatment solutions
Provide customers with groundbreaking Thin Film Nanocomposite (TFN) membrane sheets, membrane elements, and comprehensive water treatment system solutions that are second to none.
A: Customization capabilities
Backed by national expert teams and the renowned Tsinghua University Suzhou Environmental Innovation, offering bespoke solutions.
A: Ensuring quality and delivering worth.
Our premium solutions not only meet your needs , but they also provide substantial ROI for our customers. We furnish unparalleled training, support, and services, leveraging our local expertise on a global scale. Ensuring quality and delivering worth.
A: Collaborating with our customers
Inspired by our customers' dedication to providing the invaluable lifeline of clean water, we thrive together, pursuing a world optimized for water.
(2) Q: Are you a manufacturer or Trade Company?
A: We are a professional manufacturer with our very own International Trade Department, ensuring we comprehend customers' needs and offer competitive pricing.
(3) Q: How's the after-sale service?
A: We provide engineers for overseas service, supervised by merchandisers and accompanied by expert translation, ensuring seamless after-sale support.
(4) Q: How about the quality?
A: All primary sub-assemblies and raw materials are sourced from renowned large-scale companies. Our team develops key components, enabling us to adhere to rigorous assembly protocols and quality testing systems, guaranteeing superior quality.
(5) Q: Product / Quality Guarantee and After Sale Service?
A: We proudly offer a comprehensive 1-year warranty that complies with International standards. Our dedicated team is available online 24/7, eager to assist you with any inquiries or concerns you might have about our machine. Your satisfaction is our priority.
(6) Q: Certification?
A: As an esteemed organization, Tsingxi holds prestigious certifications including ISO9001, ISO14001, and ISO45001. Our products are meticulously crafted to exceed the technical standards of 3C and CE, receiving full certification from the Industry Administration Authority. Tsingxi remains committed to our vision of evolving into a premier high-tech leader in the global water treatment market.