PSI MEMBRANE®Pro-BW brackish water membrane ,Meticulously engineered with cutting-edge Thin Film Nanocomposite (TFN) technology, these membranes excel in treating complex water sources such as reclaimed wastewater, surface water, and challenging well waters. Significantly enhance treatment and feed capabilities. Designed for Waters total dissolved solids (TDS) ranging from 2000 ppm to 8000 ppm, ensuring versatile application.
Key features:
Superior flux production:Achieves exceptional water quality with higher rejection rates and flow than conventional membrane technologies, ensuring efficiency and reliability.
Advanced anti-fouling resistance:Boasts enhanced protection against fouling, significantly minimizing microorganism and inorganic build-up.
Robust chemical cleaning resistance:Outstanding cleaning resistance translates into consistent, long-term stable operation and enhanced durability.
Key applications:
Perfect for industrial applications spanning Electronics, Power, Petrochemical, Refinery, as well as the Food and Beverage sectors.
Also excels in 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 impressive product flow rate and exceptional salt rejection rate were meticulously evaluated under the following precise test conditions:
With a feed water concentration of 2000 ppm as NaCl, each membrane is subjected to a feed water pressure of 225 psi (1.55 MPa), and a controlled feed water temperature of 77 °F (25 °C), achieving a recovery rate of 15% per single membrane.
2. Experience a variation range in product flow of an impressive +/-15%, showcasing its adaptability and efficiency.
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 has honed its expertise by offering cutting-edge technical solutions to industries where ultra-pure water is paramount. This includes critical processes like wastewater treatment, reuse, and resource recycling, ensuring flawless operation and environmental sustainability.
Our extensive industry engagement spans vital sectors such as petrochemicals, mining, lithium extraction from salt lakes, lithium iron phosphate & lithium battery recycling, semiconductors, seawater desalination, reclaimed water treatment, leachate processing, synthetic biology, copper foil manufacturing, pharmaceuticals, and power generation.
Moreover, our solutions extend to steam boiler feeding, food & beverage production (including mineral water bottling, soft drinks, and juices), painting lines, dairy production, ice cream manufacturing, laundries, healthcare institutions, textile production, mechanical industries, steelworks, and more.
Hospitality/Seawater and Brackish Water Desalination Applications
Leveraging Proshare's vast desalination expertise, we provide innovative water purification solutions for civil uses in hotels and touristic resorts. As fresh water remains a cornerstone for these infrastructures, our R.O. sea and brackish water desalination alternatives efficiently meet the soaring water needs of burgeoning tourism hubs.
Farming applications
Water is indispensable for optimizing animal health and performance in agriculture (e.g., cattle, chickens, sheep, pigs). Not only must water be available in sufficient quantities, but its quality is critical to achieving superior animal growth and productivity.
Farm water sources range from wells and municipal water networks to rivers and other surface sources. Each source presents unique challenges, particularly excluding civil water networks, which often contain free chlorine.
With other sources typically harboring high levels of dissolved solids, suspended particles, and pathogens, reverse osmosis technology emerges as the premier solution to mitigate these detrimental effects, ensuring farm water is safe and beneficial for animal health.
Municipal and Civil use
We deliver groundbreaking, scalable solutions for the sustainable treatment of wastewater and effluents, tailored to meet the stringent demands of municipal health and environmental standards. Our patented technologies and partnerships with leading scientific research institutions guarantee municipalities peace of mind and reliability.
Our sewage treatment expertise is a cornerstone in assisting you with achieving sustainable development goals. As a leading force in sustainability, we offer an array of solutions including:
Advanced 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 application of desalination membranes on international luxury cruise liners has been dominated by a select few global brands. With shifting salinity and temperature as a cruise ship traverses various waters, the membranes are required to adjust to these dynamic conditions, ensuring consistent and reliable water production to meet the rigorous demands of ocean-faring vessels.
The PSI MEMBRANE Pro-HR-SW seawater desalination membranes have achieved outstanding results in both desalination efficiency and stable water output. The water quality produced is fully compliant with the exacting standards of luxury cruise ships.
This exemplary performance prompted the installation of our desalination membranes on three more cruise ships. This accomplishment secured Proshare's position as the first national brand to earn international luxury cruise ship orders for desalination RO membranes.
A Complete Water Treatment Plant for Generating Ultra-pure Water in Semiconductor Industry
Electronic-grade ultra-pure water demands exceptionally high desalination rates, a criterion met by only a limited number of brands worldwide.
Empowered by Proshare's groundbreaking TFN membrane technology and the TsingXi team's extensive expertise in the water treatment sector, our comprehensive water treatment plant solutions have exhibited remarkable salt, boron, and TOC rejection performance, achieving the stringent water production standards of the semiconductor industry.
This remarkable achievement led us to secure the electronic ultra-pure water treatment project for 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 involving ammonium sulphate desulphurisation, achieving a concentration of wastewater up to 40 times with ammonium sulphate concentration ≥ 20% in the concentrated water. This significantly cuts down on the energy consumption needed for subsequent evaporation and crystallisation processes, delivering substantial cost savings to the end-user while ensuring water quality adheres to the China Petroleum and Chemical Corporation corporate standard Q/SH 0628.2-2014 for circulating water make-up water, and achieving true zero wastewater discharge.
This positive outcome has catalyzed further orders from additional group subsidiaries.
This membrane technology extends its applicability to various high-temperature, highly acidic wastewater treatment scenarios, including energy, refining, chemical, and metallurgical industries. The latest advancements in ammonia desulphurisation technology paired with carbon capture align with the national 'dual-carbon policy' and support the evolution of a green industry chain.
Proshare TFN-SEP Customized NF Membrane Dramatically Increases Lithium Permeate Rate up to 96.6%,retention rate of Mg2+ exceeds 99%,and retention rate of Ca2+ exceeds 98%.
Technical Bottlenecks in Membrane Separation (Nanofiltration/Reverse Osmosis) for Lithium Extraction from Salt Lakes are challenged by membranefouling, making ita critical issue,leading to potentialEmbrace the prowess of Proshare Bw4040 High Efficiency Membrane Filter, an innovation that redefines water purification with precision. The essence of selectivity <80% is turned into an opportunity for enhanced performance and cost efficiency,harnessingthe power of high energyoptimization, where energy consumption is strategically reduced to account for only 30%-40% of total operational costs,ensuringsustainedshort-term and long-term maintenance of amembrane lifespan extending gracefully up to 2-3 years.
Discover the excellence of Proshare PSI MEMBRANE TFN-SEP Customized NF/RO Membrane, a paragon of innovation,
which has demonstrated superior pioneeringperformance, paving the way for detaileddata analysis in anenvironment of lithium extractionthat has been carried out with success in the remarkable setting of Lakkor Tso Salt Lake , Tibet, China.Achieve unparalleled results with:
Only a 2-stage Nanofiltration process followed by a singular stage RO, producingwater with Mg2+ concentration at 2.9mg/L and Ca2+ at 2.25mg/L, boasting Mg2+ retention rate > 99% and Ca2+ retention > 98%, along with a remarkable lithium permeate rate of 96.6%, achieving flux nearly 20LMH under an operating pressure of 1MPa.This proven membrane technology is both environmentally and economically friendly, enhancing product purity and quality beyond expectations.
Proshare: At the forefront of membrane technology, Proshare stands as a beacon of pioneering excellence in water purification solutions. Team's Breakthrough in Next-Generation Reverse Osmosis Membrane Technology: A leap into the future of water purification, where science meets sustainable innovation.
Proshare: Embracing a legacy of innovation, setting new standards in reverse osmosis technology. The team has innovatively developed an exceptional new generation of reverse osmosis membranes, leveraging cutting-edge polymer interface nano-self-assembly technology. This breakthrough overcomes traditional limitations with two revolutionary advancements:
Ultra-Thin Separation Layer: A marvel of engineering, this revolutionary development propels Proshare's membranes to unparalleled efficiency.: Harnessing polymer interface nanotechnology, Proshare has successfully reduced the separation layer thickness to be at least three times thinner than the traditional polyamide thin film, previously capped at 100 nm. This transformative achievement dramatically enhances water flux, achieving a significant leap in permeability.
Enhanced Performance: A new era of performance, marked by superior hydrophilicity and resilience.: The introduction of nanoparticles and specialized hydrophilic polymers has catapulted the membrane's capabilities forward, enhancing hydrophilicity, anti-fouling capability, durability, and oxidation resistance to remarkable new heights.
Compared to traditional polyamide reverse osmosis membranes, Proshare's innovations represent a monumental leap, setting new benchmarks in the industry. Proshare's innovation demonstrates breakthroughs in four key aspects: a comprehensive reimagining of reverse osmosis membrane technology.
Self-Assembled Nanocomposite Films: A paradigm shift in membrane construction, achieving unprecedented precision and uniformity.
The fusion of nano-scale precision control and nano-doping modification empowers the creation of ultra-thin, highly ordered separation layers via revolutionary polymer interface nanotechnology-overcoming conventional limitations in thickness uniformity and material diversity.
Enhanced Water Flux and Energy Efficiency: The epitome of efficiency, redefining energy dynamics in water purification.
By perfecting the layer-by-layer self-assembly process, the functional layer thickness is meticulously controlled, achieving a threefold reduction compared to typical membranes. This breakthrough results in: >3x higher water flux, setting a new standard for throughput. and 30% lower energy consumption, revolutionizing cost efficiencies..
Novel Polymer Materials with Superior Chemical Stability: A robust solution for the challenges of modern water purification.
Going beyond polyamide, the team employs advanced hydrophilic polymers like modified polysulfones and innovative ceramic-organic hybrids. These materials showcase exceptional: oxidation resistance, withstanding chlorine exposure up to 10 ppm, and pH tolerance, maintaining stability across a wide pH range from 1 to 12.
Anti-Fouling Surface Engineering: Raising the bar for membrane longevity and efficiency.
The creation of a superhydrophilic surface, with a contact angle of less than 10°, coupled with nanoparticle reinforcement, markedly reduces organic fouling propensity by 50%. This advancement extends chemical cleaning cycles from 3 to 6 months and slashes maintenance costs by 40%, offering a substantial boost in operational efficiency.
Our unwavering commitment to excellence in health, safety, and environmental standards is recognized through our esteemed certifications: the Health & Safety Management System Certificate, the Environmental Management System Certificate, and the prestigious ISO9001 Quality System Certificate.
Our innovative prowess is showcased through our esteemed invention patents: one for advanced membranes production and another for the sophisticated multi-layer RO membrane technology. These patents represent our dedication to pioneering advancements in membrane technology. RoHS COMPLIANCE Certificate: Demonstrating our commitment to environmental responsibility, our products meet the rigorous standards of RoHS compliance, ensuring they are both safe and sustainable.
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 comprehensive 1-year warranty adhering to International standards. We offer round-the-clock online support, ensuring you can reach out to us at any time with any queries regarding our machine for immediate assistance.
(6) Q: Certification?
A: Tsingxi holds prestigious certifications including ISO9001, ISO14001, and ISO45001, showcasing our commitment to quality, environmental responsibility, and occupational safety. Our products are meticulously designed to align with the rigorous technical standards of 3C and CE. Furthermore, all our offerings have been certified by the Industry Administration Authority. We are dedicated to advancing our position as a leading high-tech company, continuously making strides in the global water treatment market to strengthen our competitive edge and deliver exceptional solutions.
Audited Supplier 
){kind=link}