PSI MEMBRANE® Introducing the Pro-LP Ultra-Low Pressure Reverse Osmosis Membrane Element,skillfully incorporated with groundbreaking Thin Film Nanocomposite (TFN) Technology, designed to deliver exceptional high flux at ultra-low operating pressures, significantly reducing costs.
Key Features:
- Achieves 30% lower Pressures :Enables lower energy consumption, maximizing productivity even in challenging cold water environments.
- 440 ft² Active Area:Optimizes equipment capital expenditure in designs, offering savings in elements and pumping courtesy of the expansive 440 ft² active area.
- Wide Cleaning pH Range:Pioneering the widest cleaning pH range (1-13) with anti-fouling properties, ensuring superior cleaning efficacy, strength, and long-lasting durability.
Key Applications:
Ideal for softening, producing pure water, and facilitating water reuse across diverse industries such as
pharmaceutical, electronics, power, petrochemical, refinery, food & beverage, municipal, and more.
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. Explore impressive flow rates and salt rejection efficiencies under the following optimized test conditions:
Precisely measured with feed water concentration at 1500 ppm as NaCl, pressurized at 225 psi (1.55 MPa), maintained at a steady 77 °F (25 °C), achieving a 15% recovery rate for a single membrane.
2. Experience flexibility with our product flow variation range of +/-15%;
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. draws from its wealth of valuable experience by delivering unparalleled technical solutions tailored for the industrial sector. This expertise is vital where ultra-pure water is imperative for diverse industrial processes, wastewater treatment and reuse, as well as resource recycling.
We are deeply engaged in key industry sectors such as petrochemical, mining, lithium extraction from salt lakes, lithium iron phosphate & lithium battery recycling, semiconductors, seawater desalinization, reclaimed water processing, leachate treatment, synthetic biology, copper foil production, pharmaceuticals, and power generation.
Our reach extends to vital areas like steam boiler feeding, the food & beverage industry (encompassing mineral water bottling, soft drinks, and juices), painting lines, dairies, ice cream production, laundries, hospitals, textiles, mechanical industries, steel companies, and more.
Hospitality/Seawater and Brackish Water Desalination Applications
Proshare leverages its vast expertise in desalination technology to offer groundbreaking solutions for water desalination in civil applications such as hotels and touristic resorts. Ensuring a reliable fresh water supply is crucial for these infrastructures, and our cutting-edge R.O. seawater or brackish water desalination solutions are designed to efficiently meet the burgeoning demands of expanding touristic areas.
Farming applications
Water is indispensable for ensuring the health and optimal performance of farm animals, including cattle, chickens, sheep, and pigs. Both the quantity and quality of water are pivotal factors influencing the desired growth and productivity of these animals.
Farm water can be sourced from diverse origins such as water wells, public water networks, and occasionally from rivers and other surface sources. Each of these has its own set of characteristics that can impact water quality.
Apart from public water networks, which contain free chlorine, other sources often carry high levels of dissolved and suspended solids and pathogens. Reverse osmosis technology has proven to be exceptionally effective in mitigating these adverse effects. Contaminated farm water requires technological treatment to eliminate harmful substances, ensuring the wellbeing of animals.
Municipal and Civil use
We offer groundbreaking and scalable solutions to our clients, facilitating efficient and sustainable wastewater and effluent treatment. Our extensive array of patented technologies, coupled with insights from national-level experts and prestigious scientific research institutions, guarantees municipalities peace of mind as they adhere to rigorous health and environmental regulations. By continuously incorporating systematic feedback from our field engineers, we strive to innovate and refine our sanitation systems.
Sewage treatment expertise stands as a cornerstone of our proficiency, empowering you to achieve your sustainable development objectives. As a leader in sustainable evolution, we present a diverse array of solutions, including:
Cutting-edge sanitation technologies.
Innovative recovery of reusable materials from wastewater.
Proshare PSI MEMBRANE: Leading the way in advanced water treatment solutions with exceptional reliability. Desalination RO Membrane: Offering unparalleled performance for seawater purification. Serves Desalination in: Delivering premium solutions tailored for challenging environments. Cruise Ship: Ensuring the highest quality water supply for luxurious voyages.
The application of desalination membranes on international luxury cruise ships has historically been dominated by a few international brands. The quality of feed water, such as salinity and temperature, fluctuates with the cruise ship's journey. Therefore, the membranes must adapt to different conditions while ensuring stable water production to meet the needs of ocean-going vessels.
PSI MEMBRANE Pro-HR-SW seawater desalination membranes demonstrated superior performance in both desalination rate and stable water production. The water quality produced by these membranes met the stringent requirements of the cruise ship.
This remarkable result led to the replacement of desalination membranes on three additional cruise ships. Proshare's success in this venture establishes it as the first national brand to win international luxury cruise ship orders for desalination RO membranes.
A New Era in Water Treatment Complete Water Treatment Plant for Generating Ultra-pure Water in Semiconductor Industry: Providing cutting-edge solutions for the most stringent industry standards.
As we all know, electronic-grade ultra-pure water on the membrane desalination rate requirements are extraordinarily high, only a few brands can meet this requirement.
Based on Proshare's revolutionary TFN membrane technology and TsingXi team's rich experience in the water treatment industry, a complete water treatment plant pure water equipment solutions showed excellent rejection performance of the salt, boron, and TOC. The system water production has reached the semiconductor industry production of water requirements.
This positive result helped us secure the Japanese listed company's electronic ultra-pure water treatment project, marking a significant milestone.
Proshare: Your Trusted Partner in Water Innovation. Tailor-made Solutions: Engineered to meet your unique industry challenges. TFN Special Acid-resistant and High-pressure Membranes: Designed to withstand extreme environments for unmatched performance. for Wastewater Treatment in Petrochemical / Refining: Truly Achieving Zero Liquid Discharge with precision and efficiency.
Proshare: Innovating for a sustainable future. Tailor-made Solutions: Custom-engineered to exceed expectations. TFN special acid-resistant and high-pressure membranes separation and concentration device for: Wastewater treatment containing ammonium sulphate desulphurization, achieved wastewater concentration of up to 40 times the concentration of ammonium sulphate concentration of ≥ 20% of the concentrated water, significantly reducing the subsequent evaporation and crystallization of energy consumption, substantial cost savings for the user, the quality of the water produced by the stable to meet the China Petroleum and Chemical Corporation corporate standard Q/SH 0628.2-2014 circulating water make-up water, and zero wastewater discharge has been truly achieved.
This Achievement: A testament to Proshare's commitment to environmental stewardship. Positive result has gained subsequent orders from other subsidiaries of the group, affirming Proshare's industry leadership.
This Breakthrough: A stepping stone for further advancements in sustainable technology. Membrane applications are also applicable to other high-temperature, highly acidic wastewater containing ammonium sulphate scenarios, such as energy, refining, chemical, metallurgical, and other industries. The latest development of ammonia desulphurization technology combined with carbon capture helps the new energy consumption and the development of the green industry chain, in line with the national 'dual-carbon policy.
Proshare: Pioneering solutions for a cleaner tomorrow. TFN-SEP Customized NF Membrane: Dramatically Increases Lithium Permeate Rate up to 96.6% for efficient resource utilization.Retention rate of Mg2+ > 99%, ensuring superior separation efficiency.Retention rate Ca2+ > 98%, solidifying Proshare's position as a market leader.
Technical Bottlenecks: Overcoming challenges in Membrane Separation (Nanofiltration/Reverse Osmosis) with groundbreaking solutions. of Membrane Separation (Nanofiltration/Reverse Osmosis) in Lithium Extraction from Salt Lakes challenged by: Membrane fouling: A hurdle effectively overcome by Proshare's advanced technologies.embrace: Redefining efficiency in water treatment. for: Future-ready innovations meeting today's demands.ouling: A challenge tackled with robust solutions.Leadership in Innovation: Leading the charge towards sustainable water management.ow 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 a 2-stage Nanofiltration process + 1 stage RO, it has achievedproduction water with Mg2+ 2.9mg/L, Ca2+ 2.25mg/L. A retention rate of Mg2+ > 99%, retention rate Ca2+ > 98%, lithium permeate rate of 96.6%, with the flux approaching 20LMH under an operating pressure of 1 MPa.This proven membrane technology is not only environmentally sustainable but also economically efficient, enhancing product purity and quality.

Proshare Team's Breakthrough in Next-Generation Reverse Osmosis Membrane Technology
Proshare team has innovatively developed a new generation of reverse osmosis membranes based on polymer interface nano-self-assembly technology, overcoming the limitations of traditional reverse osmosis membrane development through two key advancements:
Ultra-Thin Separation Layer: By employing polymer interface nanotechnology, the team successfully reduced the thickness of the separation layer to at least three times thinner than the traditional polyamide thin film (previously limited to 100 nm). This breakthrough significantly enhances water flux, achieving a substantial improvement in permeability.
Enhanced Performance: The introduction of nanoparticles and specialized hydrophilic polymers has led to groundbreaking advancements in the membrane's hydrophilicity, anti-fouling capability, durability, and oxidation resistance
Compared to traditional polyamide reverse osmosis membranes, Proshare's innovation demonstrates breakthroughs in four key aspects:
Self-Assembled Nanocomposite Films
The integration of nano-scale precision control and nano-doping modification enables the creation of ultra-thin, highly ordered separation layers via polymer interface nanotechnology. This approach overcomes the limitations of conventional polyamide membranes in thickness uniformity and material diversity.
Enhanced Water Flux and Energy Efficiency
By optimizing the layer-by-layer self-assembly process, the functional layer thickness is precisely controlled, achieving a 3x reduction compared to traditional membranes. This results in >3x higher water flux and 30% lower energy consumption.
Novel Polymer Materials with Superior Chemical Stability
Moving beyond polyamide, the team utilizes advanced hydrophilic polymers (e.g., modified polysulfones) and ceramic-organic hybrids. These materials exhibit exceptional oxidation resistance (withstand 10 ppm chlorine exposure) and pH tolerance (stable in 1-12 pH range).
Anti-Fouling Surface Engineering
The superhydrophilic surface (contact angle <10°) combined with nanoparticle reinforcement reduces organic fouling propensity by 50%, extending chemical cleaning cycles from 3 months to 6 months and cutting maintenance costs by 40%
Our unwavering commitment to excellence is underscored by our prestigious certifications: the Health & Safety Management System Certificate, Environmental Management System Certificate, and the renowned ISO 9001 Quality System Certificate. These accolades signify our dedication to maintaining the highest standards across all facets of our operations.
We stand at the forefront of innovation with our esteemed patents, showcasing our leadership in membrane technology: the Invention Patent for Membranes Production and the Invention Patent for Multi-layer RO Membrane. These patents highlight our pioneering efforts and commitment to advancing reverse osmosis technology. RoHS Compliance Certificate
Proshare Innovation Suzhou Co., Ltd. Proshare Innovation Suzhou Co., Ltd. stands as a beacon of excellence in the realm of third-generation thin-film nanocomposite (TFN) membranes, focusing on reverse osmosis (RO), nanofiltration (NF), and material separation. Since its inception in 2017, this trailblazing national high-tech enterprise, under the visionary leadership of Dr. Lin Xiaofeng, has positioned itself as China's premier and sole domestic producer of TFN membranes, achieving unparalleled advancements in R&D and industrialization.
Core Competencies
Technological Innovation: As pioneers in TFN technology, we've revolutionized nanofiltration membranes through dedicated independent R&D, culminating in the localized creation of both membrane products and the sophisticated equipment required for their production.
Intellectual Property: With a portfolio of over 31 patents, our membrane technology not only meets but exceeds international benchmarks, replacing previously unchallenged foreign monopolies in the industry.
Production Capacity: Our operations are housed within a cutting-edge 2,000 m² R&D facility, complemented by an expansive 15,000 m² state-of-the-art production base.
Funding: Successfully secured Pre-A Round (2023) and A Round (January 2025) financing, with strategic backing from prestigious entities such as the Suzhou Industrial Park Science Innovation Fund and Yong Sheng Capital.
Market Recognition: Proudly recognized as the preferred supplier for leading environmental engineering firms and esteemed state-owned enterprises.
Leadership:Dr. Lin Xiaofeng, a distinguished Ph.D. alumnus of the University of Strasbourg (France), is celebrated for his contributions to the field, having been honored with both provincial and national accolades like Suzhou Leading Talent and Jiangsu Dual Innovation Talent. He spearheads our relentless pursuit of breakthroughs in TFN membrane industrialization.
WHY US?
FAQ:
(1) Q: Why Choose Our Company?
A:Complete Water Treatment Solutions
We redefine innovation by offering revolutionary Thin Film Nanocomposite (TFN) membrane sheets, elements, and comprehensive water treatment system solutions tailored to your specific needs.
A:Customization Capabilities
Supported by national experts and the Tsinghua University Suzhou Environmental Innovation, we customize solutions that precisely meet your requirements.
A:Ensuring Quality, Delivering Value
Our premium solutions promise exceptional returns on investment for our customers, delivering quality that exceeds expectations. Additionally, we offer extensive training, support, and services while leveraging our local expertise to serve global markets effectively.
A:Collaborating with Our Customers
Our inspiration stems from our customers' daily dedication to providing clean water, a precious source of hope. We are committed to thriving together towards a water-optimized world.
(2)Q: Are you a manufacturer or Trade Company?
A: We are a distinguished manufacturer with our own International Trade Department, enabling us to better comprehend customer needs and offer competitive pricing.
(3) Q: How's the after-sale service?
A: Our dedicated engineers are available to service clients overseas, ensuring seamless support under the guidance and interpretation of our merchandisers.
(4) Q: How about the quality?
A: We source our primary sub-assemblies and raw materials from leading companies. Our skilled team independently develops key components, adhering to a strict quality testing system to guarantee that your standards of excellence are met.
(5) Q: Product /Quality Guarantee and After Sale Service?
A: Enjoy peace of mind with our comprehensive 1-year warranty, adhering to International standards. Our dedicated team is available online 24/7, ready to assist you with any queries regarding our machine. Connect with us anytime for unparalleled support.
(6) Q: Certification?
A: Tsingxi proudly upholds the prestigious certifications of ISO9001, ISO14001, and ISO45001, ensuring excellence in quality and environmental management. Our products are meticulously crafted to comply with the rigorous technical standards of 3C and CE, and each product is recognized by the Industry Administration Authority. Tsingxi is committed to continually advancing as a formidable high-tech leader in the global water treatment industry.