PSI MEMBRANE®Pro-BW Brackish Water Membrane ,Ingeniously integrated with the state-of-the-art Thin Film Nanocomposite (TFN) technology, these membranes are perfectly engineered for effectively treating reclaimed wastewater, surface water, and even the most challenging well waters. Treatment and feed waters brimming with total dissolved solids (TDS) ranging from 2000 ppm to an astounding 8000 ppm.
Key Features:
Unleashes Higher Flux:Consistently delivers superior water quality with significantly higher rejection rates and flow efficiency compared to conventional technology membranes.
Anti-Fouling Resistance:Boasting advanced anti-fouling protection, it dramatically curtails the proliferation of microorganisms and inorganic fouling, ensuring pristine performance.
Superb Chemical Cleaning Resistance:Remarkable performance in resisting chemical cleaning leads to sustained, stable operation and exceptional durability over time.
Key Applications:
Perfectly suited for industrial applications across diverse sectors like Electronics, Power, Petrochemical, Refinery, and Food and Beverage industries.
Also ideal for municipal water purification.
| Product |
Effective Membrane area
ft² (m²) |
Feed spacer thickness (mil) |
Product Flow Rate
g p d( m ³/d) |
Stable Salt Rejection
(%) |
Minimum Salt Rejection
(%)
|
| Pro-BW-2521 |
14(1.3) |
32 |
350(1.2)
|
99.5 |
99.2 |
| Pro-BW-2540 |
28(2.6) |
32 |
750(2.8)
|
99.5 |
99.2 |
| Pro-BW-4021 |
36(3.3) |
32 |
1000(3.8)
|
99.5 |
99.2 |
| Pro-BW-4040 |
85(7.9) |
32 |
2600(9.8) |
99.5 |
99.2 |
| Pro-BW-8040 |
400(37) |
32 |
10500(39.7) |
99.5 |
99.2 |
| Pro-BW-8040 |
440(40) |
28 |
12500(47.3) |
99.5 |
99.2 |
1. Product Flow Rate and Salt Rejection Rate: Tested Under Optimal Conditions for Superior Results:
Experience precise performance with test conditions set at a feed water concentration of 2000 ppm as NaCl, a pressure of 225 psi (1.55 MPa), and a temperature of 77 °F (25 °C). The system is designed to achieve a 15% recovery rate per single membrane, ensuring remarkable efficiency.
2. Expect a Variation Range in Product Flow: +/-15%; Ensuring Flexibility and Reliability in Various Environments.
Operating Condition: Tailored for Optimal Performance Across Varied Scenarios.
| 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 - Precision in Every Measurement for Seamless Integration.
| Model |
A |
B |
C |
| Pro-BW-2521 |
533 |
61 |
19 |
| Pro-BW-2540 |
1016 |
61 |
19 |
| Pro-BW-4021 |
533 |
100 |
19 |
| Pro-BW-4040 |
1016 |
100.3 |
19.1 |
| Pro-BW-8040 |
1016 |
200 |
28.6 |
| Pro-BW-8040 |
1016 |
200 |
28.6 |
Industry Applications
Proshare Proshare has meticulously honed its expertise by delivering pioneering technical solutions to the industrial sector, where the demand for exceptionally pure water is paramount across a spectrum of industrial processes, including wastewater treatment, reuse, and resource recycling.
We are deeply embedded in key industrial sectors, encompassing petrochemical, mining, lithium extraction from salt lakes, lithium iron phosphate & lithium battery recycling, semiconductors, seawater desalination, reclaimed water, leachate management, synthetic biology, copper foil, pharmaceuticals, and power generation.
Our expertise extends to critical applications such as steam boiler feed, the food & beverage industry (including mineral water bottling, soft drinks, and juices), painting lines, dairies, ice cream production, laundries, hospitals, textiles, mechanical industries, and steel companies.
Hospitality/Seawater and Brackish Water Desalination Applications
With extensive experience in desalination technology, Proshare offers cutting-edge solutions for water desalination in hotels and touristic resorts. Adequate fresh water supply is crucial for these infrastructures. Our R.O. sea water or brackish water desalination solutions meet the growing needs of rapidly expanding touristic regions, ensuring they have the necessary water capacity to thrive.
Farming applications
Water is indispensable for ensuring the optimal health and performance of farm animals such as cattle, chickens, sheep, and pigs. Not only does the quantity of water matter, but its quality is equally significant to achieve the desired growth and productivity in animals.
Farm water can be sourced from various origins, including water wells, civil water networks, and, to a lesser extent, rivers and other surface sources.
Excluding chlorinated civil network water, other sources typically contain high levels of dissolved and suspended solids and pathogens. Reverse osmosis technology emerges as the most efficient solution to mitigate these adverse effects, ensuring that farm water undergoes necessary treatment to remove harmful substances for the well-being of animals.
Municipal and Civil use
We offer forward-thinking and adaptable solutions for the efficient and sustainable treatment of wastewater and effluents. Our extensive range of patented technologies, allied with national-level expertise and scientific research institutions, provides municipalities confidence in maintaining strict health and environmental standards. We are committed to refining our sanitation systems by consistently gathering feedback from our field engineers.
Our profound sewage treatment expertise is foundational in helping you achieve sustainable development goals. As a leader in sustainable progress, we present an array of solutions, including:
State-of-the-art sanitation technologies.
Innovative recovery of reusable materials from wastewater.
Successful Cases Reference
Proshare PSI MEMBRANE Desalination RO Membrane Serves Desalination in Cruise Ship
Traditionally, the use of desalination membranes on international luxury cruise ships has been the stronghold of a select few global brands. Given that the quality of feed water, particularly its salinity and temperature, fluctuates as cruise ships traverse various climates, it is imperative that these membranes adeptly adjust to diverse conditions. They must consistently ensure stable water production, thereby satisfying the stringent demands of ocean-going vessels.
The PSI MEMBRANE Pro-HR-SW seawater desalination membranes have showcased unmatched excellence, offering both exceptional desalination rates and unwavering water production stability. The resultant water quality conforms to the exacting standards required by luxury cruise ships.
This outstanding achievement led to the installation of these membranes on three more cruise ships, marking a significant milestone. Proshare has distinguished itself as the pioneering national brand to secure orders for desalination RO membranes from international luxury cruise liner operators.
A Complete Water Treatment Plant for Generating Ultra-pure Water in Semiconductor Industry
In the semiconductor industry, the specifications for electronic-grade ultra-pure water are exceptionally stringent. Only a select few brands possess the capability to meet these high standards of membrane desalination rates.
Leveraging Proshare's groundbreaking TFN membrane technology alongside the extensive expertise of the TsingXi team in water treatment, our complete water treatment plant and pure water equipment solutions demonstrate outstanding rejection rates for salt, boron, and TOC. These systems have achieved the ultra-pure water production benchmarks set by the semiconductor industry.
The success of this project played a pivotal role in securing a contract for an electronic ultra-pure water treatment project with a renowned Japanese listed company.
Proshare Tailor made TFN special acid-resistant and high-pressure membranes for Wastewater Treatment in Petrochemical / Refining Truly Achieve Zero Liquid Discharge
Proshare Tailor made TFN special acid-resistant and high-pressure membranes separation and concentration device for wastewater treatment containing ammonium sulphate desulphurisation, achieving a concentration of wastewater up to 40 times, with ammonium sulphate concentration reaching ≥ 20% in the concentrated water. This significantly curtails energy expenditure related to subsequent evaporation and crystallisation processes, resulting in substantial cost savings for users. Additionally, the water produced consistently satisfies the China Petroleum and Chemical Corporation's corporate standard Q/SH 0628.2-2014 for circulating water make-up, and true zero wastewater discharge has been achieved.
This noteworthy success has resulted in follow-up orders from other group subsidiaries, enhancing Proshare's industry presence.
This membrane technology is versatile, being applicable to other high-temperature, highly acidic wastewater scenarios involving ammonium sulphate, across industries such as energy, refining, chemical, and metallurgy. The cutting-edge development in ammonia desulphurisation technology, coupled with carbon capture tactics, supports sustainable energy consumption and the evolution of a green industry chain, aligning with national 'dual-carbon' policies.
Proshare TFN-SEP Customized NF Membrane Dramatically Increases Lithium Permeate Rate up to 96.6%,surpassing a retention rate of Mg2+ > 99%,and a retention rate of Ca2+ > 98%.
Technical Bottlenecks of Membrane Separation (Nanofiltration/Reverse Osmosis) in Lithium Extraction from Salt Lakes have been challenged by membrane fouling,low selectivity<80%,high energy consumption accounts for 30%-40% of total cost,short membrane lifespan 2-3years.
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 given production water with Mg2+ 2.9mg/L, Ca2+ 2.25mg/L. retention rate of Mg2+ > 99%, retention rate Ca2+ > 98%, lithium permeate rate 96.6%, the flux close to 20LMH under the operating pressure of 1MPa.Proven membrane technology is environmentally and economically friendly and improves product purity and quality .
Proshare Breakthrough Achievements in Cutting-Edge Reverse Osmosis Membrane Technology
Proshare pioneering team has ingeniously crafted a revolutionary generation of reverse osmosis membranes. Utilizing advanced polymer interface nano-self-assembly technology, they have surpassed the confines of traditional reverse osmosis membrane development with two remarkable breakthroughs:
Ultra-Thin Separation Layer: Leveraging cutting-edge polymer interface nanotechnology, our team has dramatically minimized the separation layer thickness to become over three times thinner than conventional polyamide thin films (previously capped at 100 nm). This monumental breakthrough greatly boosts water flow efficiency, ensuring a pronounced enhancement in permeability.
Superior Performance Enhancement: The infusion of nanoparticles and specially engineered hydrophilic polymers has resulted in transformative advancements in the membrane's hydrophilicity, anti-fouling prowess, longevity, and resistance to oxidation.
In comparison with standard polyamide reverse osmosis membranes, Proshare's innovation showcases groundbreaking strides in four paramount areas:
Self-Assembled Nanocomposite Films
Through the integration of precision nano-scale control and nano-doping enhancement, we craft ultra-thin and highly ordered separation layers using polymer interface nanotechnology. This innovative approach overcomes the thickness uniformity and material diversity limitations inherent in traditional polyamide membranes.
Enhanced Water Flow and Energy Efficiency
By refining the layer-by-layer self-assembly process, the functional layer's thickness is meticulously controlled, achieving a remarkable 3x reduction when compared to traditional membranes. This advancement leads to more than 3x increased water flow and a reduction in energy consumption by 30%.
Innovative Polymer Compositions with Unrivaled Chemical Durability
Advancing beyond polyamide, our team employs state-of-the-art hydrophilic polymers (e.g., enhanced polysulfones) and ceramic-organic hybrids. These materials offer remarkable oxidation resistance (withstanding up to 10 ppm chlorine exposure) and pH resilience (stable in a pH range of 1 to 12).
Advanced Anti-Fouling Surface Engineering
Featuring a superhydrophilic surface (contact angle <10°) strengthened by nanoparticle integration, this design reduces organic fouling tendencies by 50%, extends chemical cleaning intervals from 3 to 6 months, and lowers maintenance costs by 40%.
Proshare Innovation Suzhou Co., Ltd. proudly holds a suite of prestigious certifications that underscore our unwavering commitment to excellence and responsibility. Our accolades include: the Health & Safety Management System Certificate, ensuring we prioritize the well-being of our employees and stakeholders; the Environmental Management System Certificate, a testament to our dedication to sustainable and eco-friendly practices; and the ISO 9001 Quality Management System Certificate, which assures our adherence to global quality standards in every product we create.
As pioneers in the industry, our efforts in innovation are recognized through our exclusive patents. We possess an Invention Patent for membrane production, highlighting our unique production expertise, alongside our prestigious Invention Patent for the multi-layer RO membrane. These patents underscore our commitment to pushing the boundaries of technology, offering advanced solutions, and setting new standards in the membrane industry. Our commitment to environmental responsibility is further validated by our RoHS Compliance Certificate. This certification affirms that the Proshare Bw4040 Advanced Water Filter System Membrane is manufactured in accordance with strict environmental standards, eliminating hazardous substances and promoting a healthier planet.
Proshare Innovation Suzhou Co., Ltd. is a pioneering national high-tech enterprise, passionately engaged in the research, development, and industrialization of cutting-edge third-generation thin-film nanocomposite (TFN) membranes. These advanced membranes are designed for applications in reverse osmosis (RO), nanofiltration (NF), and material separation. Established in 2017 by an accomplished team of overseas-returned doctoral experts under the visionary leadership of Dr. Lin Xiaofeng, a distinguished recipient of national talent programs, the company stands as the only domestic producer of TFN membranes in China, redefining industry standards with its innovative technologies.
Core Competencies
Technological Innovation: As a trailblazer in the TFN technology landscape, we have successfully applied this groundbreaking technology to nanofiltration membranes, achieving complete independence in R&D and localization of both cutting-edge membranes and state-of-the-art manufacturing equipment.
Intellectual Property: Proudly possessing over 31 patents, our membrane technologies meet and exceed internationally leading performance standards, effectively replacing previously monopolized foreign products and establishing new benchmarks for excellence.
Production Capacity: Our operations include a sophisticated 2,000 m² R&D facility, complemented by an expansive 15,000 m² production base, ensuring robust capacity for innovation and large-scale production.
Funding: Successfully completed Pre-A Round (2023) and A Round (January 2025) financing, supported by the esteemed Suzhou Industrial Park Science Innovation Fund and Yong Sheng Capital, providing strong financial backing for continued growth and innovation.
Market Recognition: Honored to be designated as a preferred supplier to leading listed environmental engineering firms and state-owned enterprises, a testament to our quality and reliability in the field.
Leadership:Dr. Lin Xiaofeng, a distinguished Ph.D. graduate from the University of Strasbourg (France), has been celebrated with numerous provincial and national talent awards, including Suzhou Leading Talent and Jiangsu Dual Innovation Talent. He spearheads our company's visionary R&D initiatives, driving groundbreaking advancements in TFN membrane industrialization.
WHY US?
FAQ:
(1) Q: Why Choose Our Company?
A: Comprehensive and innovative water treatment solutions
We specialize in providing state-of-the-art Thin Film Nanocomposite (TFN) membrane sheets, elements, and complete water treatment systems tailored to revolutionize your projects.
A: Tailored customization capabilities
Our offerings are enhanced by the expertise of national-level expert teams and the prestigious Tsinghua University Suzhou Environmental Innovation, ensuring bespoke solutions that meet your exact needs.
A: Commitment to quality and value delivery
Our top-tier solutions guarantee premium quality and deliver unmatched return on investment for customers. We offer comprehensive training, support, and services, leveraging our regional expertise to serve global markets effectively.
A: Partnership-driven innovation
Our motivation is fueled by our customers and their daily efforts to provide the most vital resource - clean water. Together, we aim to thrive in creating a world optimized with water solutions.
(2) Q: Are you a manufacturer or Trade Company?
A: We proudly operate as a professional manufacturer with our own International Trade Department. This unique position allows us to deeply understand customers' needs and offer competitive pricing.
(3) Q: How's the after-sale service?
A: We provide expert engineers available for overseas service, ensuring seamless support under the guidance of merchandisers and translators.
(4) Q: How about the quality?
A: All main sub-assemblies and raw materials are sourced from leading companies, with key components meticulously researched and developed by our talented team. A professional assembly line and rigorous quality testing systems ensure we meet the highest quality standards.
(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 support team is available online 24/7, ensuring that any queries or concerns about our advanced machinery are addressed promptly and efficiently. Feel free to reach out to us at any time.
(6) Q: Certification?
A: Tsingxi proudly holds certifications for ISO9001, ISO14001, and ISO45001, guaranteeing top-notch quality management, environmental responsibility, and occupational health and safety. Our products are meticulously crafted to comply with the esteemed 3C and CE technical standards, having been validated by the Industry Administration Authority. Tsingxi is committed to continuous growth and innovation, positioning itself as a leading high-tech powerhouse in the competitive global water treatment market.
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