PSI MEMBRANE®Pro-BW brackish water membrane ,incorporated with groundbreaking Thin Film Nanocomposite(TFN) technology, these membranes are perfectly tailored for challenging water sources such as reclaimed wastewater, surface water, and demanding well waters. treatment and feed Waters total dissolved solids (TDS) ranging impressively between 2000 ppm to 8000 ppm.
Key features:
Produce higher flux:Consistently delivers superior water quality, achieving higher rejection rates and enhanced flow compared to traditional membrane technologies.
Anti-fouling resistant:Designed with exceptional anti-fouling capabilities, significantly minimizing the impact of microorganisms and inorganic deposits.
Excellent chemical cleaning resistant:Remarkable resistance to chemical cleaning processes ensures long-term operational stability and enhanced durability.
Key applications:
Perfect for industrial sectors such as Electronics, Power, Petrochemical, Refinery, Food and Beverage industries.
Ideal for municipal water purification, ensuring clean and safe water delivery.
| 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. Revel in our product's remarkable performance metrics: flow rate and salt rejection rate, meticulously determined under the following standardized conditions:
Under test conditions of 2000 ppm NaCl feed water concentration, a feed water pressure of 225 psi (1.55 MPa), and a temperature of 77°F (25°C), each membrane achieves a 15% recovery rate.
2. Experience consistency with a flow rate variation range of +/-15%, ensuring dependable results.
Operating Conditions:
| 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 meticulously cultivated its expertise by delivering innovative technical solutions to the industrial sector. Our products ensure absolutely pure water for various critical industrial processes, waste water treatment, and resource recycling, setting new standards in efficiency and reliability.
Our engagements span pivotal industrial sectors including petrochemical, mining, lithium extraction from salt lakes, lithium iron phosphate & lithium battery recycling, semiconductor industries, seawater desalinization, reclaimed water systems, leachate treatment, synthetic biology, copper foil production, pharmaceutical manufacturing, and power generation.
Additionally, our membrane filters find application in diverse areas such as steam boiler feeding, food & beverage production (including mineral water bottling, soft drinks, and juices), industrial painting lines, dairy processing, ice cream production, laundries, hospitals, textile manufacturing, mechanical industries, and steel companies, making us a versatile choice across sectors.
Hospitality/Seawater and Brackish Water Desalination Applications
With extensive experience in desalination technology, Proshare offers solutions tailored for water desalination in civil uses, such as hotels and tourist resorts. Fresh water availability is crucial for these infrastructures, and our R.O. seawater or brackish water desalination technologies provide reliable alternatives to meet the growing water demands of expanding tourist areas.
Farming applications
Water is vital for maintaining animal health and achieving optimal productivity in farming applications. The quality of water, not just its quantity, significantly impacts the desired growth and performance of animals such as cattle, chickens, sheep, and pigs.
Farm water sources can vary widely, including water wells, civil water networks, and occasionally rivers and other surface sources, each contributing to the water supply used in farming operations.
Excluding civil networks (which often contain free chlorine), other water sources typically have high concentrations of dissolved and suspended solids and pathogens. Reverse osmosis technology is proven to be the most effective solution for minimizing these negative effects, ensuring that farm water is purified and less harmful to animal health.
Municipal and Civil use
We offer cutting-edge, scalable solutions for efficient and sustainable wastewater and effluent treatment. Our wide array of patented technologies, supported by national-level experts and renowned scientific research institutions, ensures peace of mind for municipalities facing stringent health and environmental regulations. Our commitment to continuous improvement is driven by systematic feedback from field engineers.
Our expertise in sewage treatment is a cornerstone of our support for clients seeking sustainable development goals. As a leader in this field, we offer a comprehensive range of solutions including:
Advanced sanitation technologies to meet demanding modern challenges.
Innovative wastewater recovery solutions to reclaim reusable materials, supporting ecological balance and resource conservation.
Successful Cases Reference
Proshare PSI MEMBRANE Desalination RO Membrane Serves Desalination in Cruise Ship
Historically, the realm of international luxury cruise ships' desalination membranes has seen dominance by renowned global brands. The fluctuating quality of feed water, influenced by the cruise ship's itinerary-like varying salinity and temperature-demands adaptable membranes. These must ensure consistent and high-quality water production, crucial for the needs of ocean-going vessels.
The Pro-HR-SW seawater desalination membranes from PSI MEMBRANE showcased exceptional performance, surpassing expectations in desalination rates and the consistency of water production. This advanced membrane technology fulfilled the rigorous water quality standards demanded by luxury cruise ships.
This stellar achievement led to the successful replacement of desalination membranes on an additional trio of luxury cruise ships. Proshare's triumph not only demonstrates its expertise but also marks it as the pioneering national brand to secure such prestigious international orders for desalination RO membranes.
A Complete Water Treatment Plant for Ultra-pure Water Generation in the Semiconductor Sector
In the semiconductor industry, the requirements for electronic-grade ultra-pure water are extraordinarily stringent, with only a select few brands capable of meeting these high standards.
Leveraging Proshare's groundbreaking TFN membrane technology and the TsingXi team's extensive expertise in the water treatment sector, a comprehensive water treatment plant was developed. This state-of-the-art equipment solution demonstrated excellent performance in removing salts, boron, and TOC, aligning perfectly with the water production standards of the semiconductor industry.
This successful outcome secured Proshare a significant project with a listed Japanese company for electronic ultra-pure water treatment, underscoring its industry leadership.
Proshare Custom-designed TFN special acid-resistant and high-pressure membranes for Petrochemical / Refining Wastewater Treatment to Truly Achieve Zero Liquid Discharge
Proshare Custom-designed TFN special acid-resistant and high-pressure membranes for treating wastewater containing ammonium sulfate from desulfurization processes. These systems achieved wastewater concentration up to 40 times, with ammonium sulfate concentration ≥ 20% in concentrated water. This significantly reduces energy consumption in subsequent evaporation and crystallization processes, leading to substantial cost savings. The high-quality water produced meets China Petroleum and Chemical Corporation standards (Q/SH 0628.2-2014) for circulating water. True zero wastewater discharge is realized.
This success has led to additional orders from other subsidiaries within the group, showcasing Proshare's innovative prowess.
These membranes are also adaptable for other scenarios involving high-temperature, highly acidic wastewater with ammonium sulfate, such as in energy, refining, chemical, and metallurgical industries. The latest developments in ammonia desulfurization technology, combined with carbon capture, support new energy consumption and align with the national 'dual-carbon policy,' promoting the green industry chain.
Proshare TFN-SEP Customized NF Membrane Dramatically Increases Lithium Permeate Rate up to 96.6%,with a retention rate for Mg2+ exceeding 99%, andCa2+ retention rates over 98%.
Overcoming Technical Bottlenecks in Membrane Separation (Nanofiltration/Reverse Osmosis) for Lithium Extraction from Salt Lakes facesmembrane challenges.ouling,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 Team's Breakthrough in Next-Generation Reverse Osmosis Membrane Technology
Proshare Our pioneering team has ingeniously crafted a revolutionary new generation of reverse osmosis membranes. Utilizing cutting-edge polymer interface nano-self-assembly technology, we have transcended the typical boundaries of traditional reverse osmosis membrane development through two monumental advancements:
Ultra-Thin Separation Layer: Leveraging state-of-the-art polymer interface nanotechnology, our experts have impressively diminished the separation layer's thickness to an unprecedented level-three times thinner than the conventional polyamide thin film, which was previously constrained to a mere 100 nm. This phenomenal advancement significantly boosts water flux, marking a remarkable leap in permeability efficiency.
Enhanced Performance: The infusion of nanoparticles and bespoke hydrophilic polymers has ushered in groundbreaking strides in the membrane's hydrophilicity, anti-fouling capability, durability, and oxidation resistance, redefining the standards of performance.
Compared to traditional polyamide reverse osmosis membranes, Proshare's innovation showcases monumental breakthroughs across four pivotal dimensions:
Self-Assembled Nanocomposite Films
Through the seamless integration of nano-scale precision control and nano-doping modification, we've pioneered the creation of ultra-thin, impeccably ordered separation layers using polymer interface nanotechnology. This novel approach surpasses the limitations of conventional polyamide membranes by enhancing thickness uniformity and expanding material diversity.
Enhanced Water Flux and Energy Efficiency
By refining the layer-by-layer self-assembly technique, we've meticulously regulated the functional layer thickness, achieving a remarkable 3x reduction when contrasted with traditional membranes. This precision engineering yields >3x higher water flux and 30% lower energy consumption.
Novel Polymer Materials with Superior Chemical Stability
Progressing beyond polyamide, our team employs advanced hydrophilic polymers, such as modified polysulfones, alongside ceramic-organic hybrids. These innovative materials exhibit exceptional oxidation resistance (withstanding exposure to 10 ppm chlorine) and remarkable pH tolerance (maintaining stability across a pH range of 1 to 12).
Anti-Fouling Surface Engineering
Our pioneering superhydrophilic surface (with a contact angle of less than 10°), reinforced with nanoparticles, dramatically reduces organic fouling propensity by 50%. This innovation extends chemical cleaning cycles from 3 months to a groundbreaking 6 months, slashing maintenance costs by an impressive 40%.
Our esteemed certifications exemplify our commitment to excellence and sustainability. We proudly hold the Health & Safety Management System Certificate, ensuring that all our processes prioritize safety. Our dedication to environmental stewardship is validated by the Environmental Management System Certificate. Moreover, the ISO9001 Quality System Certificate underscores our unwavering focus on quality assurance.
With groundbreaking innovation at our core, we hold prestigious Invention Patents for membrane production and the revolutionary multi-layer RO membrane. These patents highlight our leadership in advancing membrane technology and enhancing water purification solutions. RoHS COMPLIANCE certificate
Proshare Innovation Suzhou Co., Ltd. As a trailblazer in national high-tech advancements, Proshare Innovation Suzhou Co., Ltd. specializes in the cutting-edge R&D and industrialization of third-generation thin-film nanocomposite (TFN) membranes. Our expertise spans reverse osmosis (RO), nanofiltration (NF), and material separation applications. Established in 2017 by a distinguished team of globally-experienced doctoral experts under the leadership of Dr. Lin Xiaofeng, an eminent recipient of national-level talent accolades, Proshare has risen as the exclusive domestic manufacturer of TFN membranes in China.
Core Competencies
Technological Innovation: We have innovatively pioneered the application of TFN technology to nanofiltration membranes, achieving complete independence in R&D and localized production of both membranes and the specialized manufacturing equipment required.
Intellectual Property: With an impressive portfolio of over 31 patents, our membrane performance not only meets but exceeds internationally leading standards, effectively replacing previously monopolized foreign products.
Production Capacity: Our expansive operations feature a 2,000 m² R&D facility paired with a 15,000 m² state-of-the-art production base, ensuring robust output capabilities.
Funding: Successfully completing our Pre-A Round in 2023 and A Round in January 2025, we've secured significant backing from the Suzhou Industrial Park Science Innovation Fund and Yong Sheng Capital, underscoring our market potential.
Market Recognition: Honored as a preferred supplier, we are proud to serve prominent listed environmental engineering firms and esteemed state-owned enterprises.
Leadership:Led by Dr. Lin Xiaofeng, a Ph.D. alumnus from the University of Strasbourg, France, and a decorated recipient of numerous provincial and national talent awards, including Suzhou Leading Talent and Jiangsu Dual Innovation Talent, Dr. Lin spearheads groundbreaking R&D advancements in TFN membrane industrialization.
WHY US?
FAQ:
(1) Q: Why Choose Our Company?
A:Complete water treatment solutions
Our offerings include revolutionary Thin Film Nanocomposite (TFN) membrane sheets, membrane elements, and comprehensive water treatment system solutions, designed to meet diverse client needs.
A:Customization capabilities
With the backing of national expert teams and the prestigious Tsinghua University Suzhou Environmental Innovation, we offer unparalleled customization.
A:Ensuring quality and delivering worth.
Our premium solutions not only ensure excellence but also provide significant returns on investment (ROI) for our valued customers. We offer training, support, and services that bring our local expertise to global markets.
A:Collaborating with our customers
Drawing inspiration from our customers, we are committed to delivering the invaluable source of hope-clean water. Together, we thrive towards a water-optimized world.
(2)Q: Are you a manufacturer or Trade Company?
A: We are a proficient manufacturer with our own International Trade Department, enabling us to deeply understand customer needs and offer competitive pricing.
(3) Q: How's the after-sale service?
A: Our comprehensive after-sales service includes overseas engineers available under the supervision and translation of our merchandisers, ensuring seamless assistance.
(4) Q: How about the quality?
A: We source main sub-assemblies and raw materials from leading companies. Key components are innovatively developed by our expert team. Our professional assembly line work and rigorous quality testing system guarantee adherence to the highest quality standards.
(5) Q: Product /Quality Guarantee and After Sale Service?
A: We proudly offer a 1-year warranty that adheres to International standards, ensuring peace of mind for our valued customers. Our dedicated team is available online 24/7 to assist you. Should you have any inquiries or require support regarding our machine, feel free to reach out to us anytime.
(6) Q: Certification?
A: Tsingxi is renowned for its commitment to quality and safety, boasting certifications such as ISO9001, ISO14001, and ISO45001. Our products are meticulously designed to comply with 3C and CE technical standards. Each product is proudly certified by the Industry Administration Authority, reinforcing our dedication to excellence. Tsingxi is on a relentless pursuit to solidify its position as a formidable high-tech leader in the global water treatment market, continually pushing the boundaries of innovation and excellence.
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