PSI MEMBRANE®Pro-BW brackish water membrane ,Incorporated with cutting-edge Thin Film Nanocomposite (TFN) technology, this membrane is perfectly suited for the treatment of reclaimed wastewater, surface water, and challenging well waters. Treatment and feed Waters with total dissolved solids (TDS) ranging between 2000 ppm to 8000 ppm.
Key features:
Produces higher flux:This membrane delivers consistently superior water quality with increased rejection rates and flow, surpassing conventional technology membranes.
Anti-fouling resistant:Enhanced anti-fouling protection significantly reduces the accumulation of microorganisms and inorganic fouling.
Excellent chemical cleaning resistant:Outstanding resistance to chemical cleaning ensures long-term stable operation and extended durability.
Key applications:
Perfectly suited for industrial applications such as Electronics, Power, Petrochemical, Refining, and Food and Beverage industries.
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. The product's flow rate and salt rejection rate are determined under the following meticulously controlled test conditions:
The feed water has a concentration of 2000 ppm, specifically as NaCl. It is subjected to a pressure of 225 psi (1.55 MPa) and maintained at an ideal temperature of 77 °F (25 °C). The system is designed with a recovery rate of 15% for each individual membrane, ensuring optimal performance.
2. The product flow has a variation range of +/- 15%, providing flexibility and adaptability in diverse operating 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-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 Innovation Suzhou Co., Ltd. boasts a wealth of invaluable expertise gained by delivering cutting-edge technical solutions to the industrial sector. Our High Rejection Water Purification Membrane Filter is indispensable for industries where absolute water purity is crucial. From wastewater treatment to resource recycling, our technology ensures the highest standards of performance and sustainability.
We cater to pivotal industry sectors such as petrochemical, mining, lithium extraction from salt lakes, lithium iron phosphate & lithium battery recycling, semiconductors, seawater desalinization, reclaimed water processing, leachate management, synthetic biology, copper foil production, pharmaceutical, and power generation. Our membrane filters are a testament to innovation and efficiency.
Our versatile technologies also address diverse applications, from steam boiler feeding to the food & beverage sector, including mineral water bottling and soft drinks production, to painting lines, dairy processes, ice cream manufacturing, laundries, hospitals, textiles, mechanical industries, and steel companies. Proshare delivers tailored solutions for every need.
Hospitality/Seawater and Brackish Water Desalination Applications
Proshare's extensive expertise in desalination technology is at the forefront of providing water solutions for civil use in hotels and touristic resorts. Given the essential nature of fresh water for these infrastructures, our R.O. seawater or brackish water desalination solutions meet the growing demand, supporting the flourishing tourism industry with sustainable and reliable water supply alternatives.
Farming Applications
In farming, water quality is vital to ensure animal health and optimize productivity. Whether for cattle, chickens, sheep, or pigs, the premium water quality facilitated by our solutions supports exceptional growth and performance. Our technologies safeguard against impurities that can impact livestock well-being.
Water for farming can originate from diverse sources like wells, civil networks, rivers, and other surface sources. Excluding chlorine-treated civil network water, these sources often contain high levels of solids and pathogens. Our reverse osmosis technology excels in mitigating these contaminants, ensuring the farm's water supply is pristine and safe for animals.
Reverse osmosis technology from Proshare is the superior choice for reducing harmful substances in farm water. Our advanced treatment processes effectively lower the concentration of dissolved and suspended solids and pathogens, enhancing animal health and productivity. Experience the efficiency and effectiveness of our technological water solutions.
Municipal and Civil Use
Proshare delivers innovative, scalable solutions for efficient wastewater and effluent treatment. Our extensive portfolio of patented technologies, backed by national-level experts and scientific research institutions, ensures compliance with stringent health and environmental standards. We are committed to ongoing system improvements, utilizing feedback from our field engineers to provide peace of mind to municipalities.
Our expertise in sewage treatment empowers municipalities to meet their sustainable development goals. As leaders in sustainable practices, we offer a broad array of solutions, including the latest sanitation technologies and innovative approaches to wastewater management.
Leading-edge sanitation technologies.
Innovative wastewater recovery solutions focus on extracting reusable materials, transforming waste into value.
Successful Cases Reference
Proshare PSI MEMBRANE Desalination RO Membrane Serves Desalination in Cruise Ship
The integration of desalination membranes in global luxury cruise liners has long been a stronghold of select international brands. Given the cruise's dynamic journey, fluctuating feed water quality, including salinity and temperature, demands membranes that can seamlessly adapt to diverse conditions, all while ensuring consistent water output to cater to these seafaring giants.
PSI MEMBRANE Pro-HR-SW seawater desalination membranes consistently deliver unparalleled performance, excelling in both desalination precision and steady water output. The water produced not only meets but exceeds the rigorous standards set by cruise operators, highlighting their stringent quality demands.
As a testament to this exceptional outcome, we witnessed the replacement of desalination membranes on three additional luxury cruise ships. This remarkable achievement propelled Proshare to the forefront, marking it as the pioneering national brand securing international luxury cruise orders for desalination RO membranes.
A Complete Water Treatment Plant for Generating Ultra-pure Water in Semiconductor Industry
In the realm of electronic-grade ultra-pure water, the bar for membrane desalination rate is set extraordinarily high, with only a select few brands capable of meeting such stringent criteria.
Drawing upon Proshare's groundbreaking TFN membrane technology and the TsingXi team's extensive expertise in water treatment, our comprehensive water treatment plant solutions demonstrate exceptional rejection of salt, boron, and TOC. The system's water production aligns perfectly with the semiconductor industry's stringent requirements for ultra-pure water.
This successful venture paved the way for securing the electronic ultra-pure water treatment project with a prestigious 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 with ammonium sulphate desulphurization. Achieving an impressive wastewater concentration of up to 40 times, with ammonium sulphate concentration of ≥ 20% in the concentrated water, it significantly curtails energy consumption for subsequent evaporation and crystallisation, ensuring substantial cost savings for users. The water quality consistently meets the China Petroleum and Chemical Corporation's Q/SH 0628.2-2014 corporate standard for circulating water make-up, and achieves genuine zero liquid discharge.
This remarkable achievement has attracted further orders from other group subsidiaries.
This versatile membrane also proves invaluable in other high-temperature, highly acidic wastewater scenarios involving ammonium sulphate, spanning energy, refining, chemical, metallurgical industries. The cutting-edge development in ammonia desulphurisation technology, synergised with carbon capture, supports the green industry chain and aligns with the national 'dual-carbon policy.
Proshare TFN-SEP Customized NF Membrane Dramatically Increases Lithium Permeate Rate up to 96.6%,with a remarkable retention rate of Mg2+ > 99%,and Ca2+ retention rate of > 98%.
Technical Bottlenecks of Membrane Separation (Nanofiltration/Reverse Osmosis) in Lithium Extraction from Salt Lakes challenged by membrane fouling,low Selectivity <80%,This product exhibits a selectivity rate of less than 80%,HighThe energyEnergy consumptionaccounts for 30%-40% of the total cost.A highshort membranespan lifespan of 2-3 years.
Proshare PSI MEMBRANE TFN-SEP Customized NF/RO Membrane
demonstrated superior performanceProven Performance dataData in a lithiumextraction projectlocated in Located In Lakkor Tso Salt Lake , Tibet, ChinaIn Lakkor Tso Salt Lake, Tibet, China:
With only a 2-stage nanofiltration process and 1-stage RO, producingproduction water with Mg2+ at 2.9 mg/L and Ca2+ at 2.25 mg/L. Retention rate of Mg2+ > 99%, Ca2+ > 98%, lithium permeate rate is 96.6%, with flux approaching 20 LMH under an operating pressure of 1 MPa.This proven membrane technology is environmentally and economically friendly, enhancing product purity and quality.
Proshare Team's Pioneering Breakthrough in Advanced Reverse Osmosis Membrane Innovation
Proshare has remarkably pioneered a trailblazing new generation of reverse osmosis membranes employing cutting-edge polymer interface nano-self-assembly technology. This revolutionary development has shattered the confines of traditional reverse osmosis membrane engineering through two monumental advancements:
Revolutionary Ultra-Thin Separation Layer: Through the visionary application of polymer interface nanotechnology, our team has adeptly minimized the separation layer's thickness to an impressive threefold reduction compared to traditional polyamide thin films, which were previously confined to 100 nm. This momentous achievement escalates water flux, elevating permeability to unprecedented levels.
Elevated Performance Dynamics: The strategic integration of nanoparticles alongside specialized hydrophilic polymers has catalyzed transformative advancements in the membrane's hydrophilicity, anti-fouling prowess, durability, and oxidation resistance, setting new benchmarks in performance.
In comparison to conventional polyamide reverse osmosis membranes, Proshare's cutting-edge innovation reveals groundbreaking breakthroughs in four pivotal dimensions:
Ingenious Self-Assembled Nanocomposite Films
By harnessing nano-scale precision control coupled with nano-doping modification, ultra-thin and intricately ordered separation layers are realized through advanced polymer interface nanotechnology. This sophisticated approach triumphs over traditional polyamide membranes' constraints in thickness uniformity and material versatility.
Enhanced Water Flux and Unmatched Energy Efficiency
By meticulously refining the layer-by-layer self-assembly process, the functional layer thickness is meticulously restrained, culminating in a substantial 3x reduction when juxtaposed with conventional membranes. This translates into a water flux increase of over 3x, coupled with a remarkable 30% reduction in energy consumption,ushering in a new era of efficiency.
Innovative Polymer Materials with Exceptional Chemical Stability
Transitioning beyond conventional polyamide, our team leverages cutting-edge hydrophilic polymers like modified polysulfones and ceramic-organic hybrids. These avant-garde materials showcase remarkable oxidation resilience, capable of enduring 10 ppm chlorine exposure, and pH flexibility, remaining stable within the vast pH range of 1 to 12.
Anti-Fouling Surface Mastery
The exceptionally hydrophilic surface, with a contact angle of less than 10°, coupled with nanoparticle fortification, diminishes organic fouling potential by an impressive 50%, prolonging chemical cleaning intervals from 3 to 6 months and slashing maintenance expenses by an astounding 40%,
Experience unrivaled assurance with our comprehensive suite of certifications. We proudly hold the Health & Safety Management System Certificate, ensuring a commitment to workplace well-being. Our Environmental Management System Certificate underscores our dedication to sustainable practices. Additionally, our ISO9001 Quality System Certificate showcases our adherence to superior quality standards.
Our pioneering spirit is illustrated through our prestigious invention patents. We hold the Invention Patent for Membrane Production, epitomizing our innovation in developing cutting-edge technology. Our Invention Patent for the Multi-layer RO Membrane further emphasizes our expertise, presenting you with advanced solutions tailored for superior water purification. Our commitment to safety and environmental responsibility is further demonstrated by our RoHS Compliance Certificate. This certification assures that our products meet rigorous standards for restricting hazardous substances, aligning with our vision of a safer and cleaner environment.
Proshare Innovation Suzhou Co., Ltd. is a national high-tech enterprise specializing in the R&D and industrialization of third-generation thin-film nanocomposite (TFN) membranes for reverse osmosis (RO), nanofiltration (NF), and material separation applications. Founded in 2017 by a team of overseas-returned doctoral experts led by Dr. Lin Xiaofeng, a recipient of national-level talent programs, the company has emerged as China's sole domestic manufacturer of TFN membranes.
Core Competencies
Technological Innovation: Pioneered the application of TFN technology to nanofiltration membranes, achieving fully independent R&D and localized production of both membranes and manufacturing equipment.
Intellectual Property: Holds over 31 patents, with membrane performance reaching internationally leading standards and replacing monopolized foreign products.
Production Capacity: Operates a 2,000 m² R&D facility and a 15,000 m² production base.
Funding: Completed Pre-A Round (2023) and A Round (January 2025) financing, backed by Suzhou Industrial Park Science Innovation Fund and Yong Sheng Capital.
Market Recognition: Designated as a preferred supplier for listed environmental engineering firms and state-owned enterprises.
Leadership:Dr. Lin Xiaofeng, a Ph.D. graduate from the University of Strasbourg (France), has been recognized with provincial and national talent awards (e.g., Suzhou Leading Talent, Jiangsu Dual Innovation Talent) and leads the company's R&D breakthroughs in TFN membrane industrialization.
WHY US?
FAQ:
(1) Q: Why Choose Our Company?
A:Complete water treatment solutions
Provide customer revolutionary (Thin Film Nanocomposite) TFN membrane sheet ,membrane element and water treatment system solutions.
A:Customization capabilities
Backup by national expert teams and Tsinghua University Suzhou Environmental Innovation.
A:Ensuring quality and delivering worth.
Not only do our premium solutions ,but can also provide significant ROI for customers,We provide training, support, and services, and bring our local expertise to global markets.
A:Collaborating with our customers
Our inspiration comes from our customers and what they do every day to provide the most valuable source of hope -clean water.Thriving together for a water-optimized world.
(2)Q: Are you a manufacturer or Trade Company?
A: We are a professional manufacturer holding our own International Trade Department, for that we can better understand customer's needs and offer a reasonable price.
(3) Q: How's the after-sale service?
A: We offer engineers available to service overseas under merchandiser's supervision and translation.
(4) Q: How about the quality?
A: The main sub-assembly and raw materials are all supplied by large companies. Key parts are research and developed by our own staff. Professional assembly line work and strict quality test system can ensure your high quality requirement.
(5) Q: Product /Quality Guarantee and After Sale Service?
A: Our product comes with a 1-year warranty, adhering to international standards. To ensure seamless support, our dedicated team is available online around the clock, 24/7. Should you have any inquiries or require assistance regarding our machine, please feel free to reach out to us at any time.
(6) Q: Certification?
A: Tsingxi is proud to be certified with ISO9001, ISO14001, and ISO45001, reflecting our commitment to quality and environmental responsibility. Our products are meticulously crafted to comply with the stringent technical standards of 3C and CE. Furthermore, each product is duly certified by the Industry Administration Authority, ensuring top-notch reliability and performance. Continuing our journey of innovation, Tsingxi is dedicated to expanding its footprint as a leading high-tech company on the global stage of water treatment.
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