PSI MEMBRANE®Pro-BW brackish water membrane ,Ingeniously incorporating the groundbreaking Thin Film Nanocomposite (TFN) technology, these membranes are exceptionally well-suited for the treatment and purification of reclaimed wastewater, surface water, and even the most challenging well waters. treatment and feed With the capacity to handle waters with total dissolved solids (TDS) ranging impressively from 2000 ppm to 8000 ppm.
Key features:
Enhanced Flux Capability:Our membranes promise consistent, superior water quality with higher rejection rates and flow efficiency, outperforming conventional membrane technology.
Advanced Anti-Fouling Resistance:Specialized protection dramatically minimizes microbial and inorganic fouling, ensuring prolonged operational efficiency.
Outstanding Resistance to Chemical Cleaning:Remarkable performance against cleaning agents provides sustained high performance and unmatched durability.
Key applications:
Perfectly tailored for a myriad of industrial applications, including Electronics, Power, Petrochemical, Refinery, 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. The product's flow rate and salt rejection rate are determined under the precise test conditions specified below:
Feed water concentration at 2000 ppm as NaCl, feed water pressure maintained at 225 psi (1.55 MPa), feed water temperature at an ideal 77 °F (25 °C), and a recovery rate of 15% for each single membrane ensures optimal performance.
2. The product flow variation range is +/-15%; ensuring consistent performance across diverse applications.
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. has garnered substantial expertise through offering its advanced technical solutions to the industrial sector, where the demand for impeccably pure water is paramount for various industrial processes, wastewater treatment, reuse, and resource recycling.
Our company actively engages with key industry sectors such as petrochemical, mining, lithium extraction from salt lakes, lithium iron phosphate, lithium battery recycling, semiconductors, seawater desalination, reclaimed water systems, leachate processing, synthetic biology, copper foil production, pharmaceuticals, and power generation.
Additionally, our expertise extends to steam boiler feed systems, the food and beverage sector (including mineral water bottling, soft drinks, and juices), painting lines, dairies, ice cream production, laundries, hospitals, textiles, mechanical industries, and steel companies, among others.
Hospitality/Seawater and Brackish Water Desalination Applications
Proshare's extensive experience in desalination technology is also applied in the realm of water desalination for civil use in hotels and tourist resorts. Providing fresh water is crucial for these infrastructures, and our R.O. sea water or brackish water desalination solutions are tailored to meet the growing water demands of rapidly expanding tourist areas.
Farming applications
Water quality is vital to ensure the health and optimal productivity of animals such as cattle, chickens, sheep, and pigs. Not only does the quantity of water play a role in animal growth, but the quality is equally crucial to achieve the best performance.
Farm water sources can vary, originating from wells, municipal water networks, and, to a lesser extent, rivers and other surface sources.
Excluding municipal water networks, which contain free chlorine, other sources often have high levels of dissolved and suspended solids and pathogens. Reverse osmosis technology is proven to be the most effective method to mitigate these harmful elements, ensuring that farm water undergoes technological treatment to reduce substances detrimental to animals.
Municipal and Civil use
We offer cutting-edge and adaptable solutions for the efficient and sustainable treatment of wastewater and effluents. Our expansive range of patented technologies, combined with national-level experts and state-of-the-art scientific research institutions, ensures compliance with stringent health and environmental standards. Through systematic feedback gathered by our field engineers, we strive for continuous improvement in our sanitation systems.
Our in-depth sewage treatment expertise is a cornerstone of our commitment to supporting your sustainable development goals. As a leading force in sustainability, we offer an extensive array of solutions including:
Advanced sanitation technologies.
Recovery of reusable materials from wastewater.
Successful Cases Reference
Proshare PSI MEMBRANE Desalination RO Membrane Serves Desalination in Cruise Ship
The application of desalination membranes on international luxury cruise ships has historically been dominated by a select few international brands. As the cruise ship traverses its journey, the quality of feed water, including salinity and temperature, undergoes fluctuations. Therefore, these advanced membranes must seamlessly adapt to varying conditions, ensuring consistent and stable water production to fulfill the demands of ocean-going vessels.
PSI MEMBRANE Pro-HR-SW seawater desalination membranes exhibited outstanding performance, showcasing a superior desalination rate and stable water production. The resultant water quality successfully met the rigorous standards required by the cruise ship.
This impressive outcome led to the replacement of desalination membranes on three additional cruise ships, making Proshare the pioneering national brand to secure international luxury cruise ship orders for desalination RO membranes.
A Complete Water Treatment Plant for Generating Ultra-pure Water in Semiconductor Industry
As known, electronic-grade ultra-pure water demands exceptionally high membrane desalination rates, and only a select few brands can fulfill this stringent requirement.
Leveraging Proshare's groundbreaking TFN membrane technology and the TsingXi team's extensive experience in the water treatment industry, the complete water treatment plant pure water equipment solutions delivered exceptional rejection performance for salt, boron, and TOC. The system's water production has achieved the semiconductor industry's standards for water requirements.
This favorable outcome facilitated the acquisition of a Japanese listed company's electronic ultra-pure water treatment project.
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. It achieved wastewater concentration up to 40 times the concentration of ammonium sulphate, with concentrated water reaching ≥ 20%. This significantly reduces the subsequent energy consumption for evaporation and crystallization, delivering substantial cost savings for users. The quality of the treated water consistently meets the China Petroleum and Chemical Corporation's corporate standard Q/SH 0628.2-2014 for circulating water make-up, ensuring zero wastewater discharge is genuinely achieved.
This positive result has resulted in additional orders from other group subsidiaries.
This membrane is also applicable to other high-temperature, highly acidic wastewater scenarios containing ammonium sulphate across energy, refining, chemical, metallurgical, and other industries. The latest advancements in ammonia desulphurisation technology, when combined with carbon capture, support new energy consumption and foster the development of a green industry chain, aligning perfectly with the national 'dual-carbon policy'.
Proshare TFN-SEP Customized NF Membrane Dramatically Increases Lithium Permeate Rate up to 96.6%,achieving 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 are challenged by membranefouling, causingoperational difficulties.low selectivity of less than 80%,high energy consumption accounts for a significant 30%-40% of total costs,short membrane lifespan of just 2-3 years.
Proshare PSI MEMBRANE TFN-SEP Customized NF /RO Membrane
demonstrated superior performance data in an impressive lithium extraction project located in the breathtaking Lakkor Tso Salt Lake , Tibet, China:
With only a two-stage Nanofiltration process plus a single stage RO, the resulting production water boasts Mg2+ levels of 2.9mg/L and Ca2+ 2.25mg/L. Retention rates are impressive, with Mg2+ retention exceeding 99% and Ca2+ retention over 98%, while lithium permeate rate hits an outstanding 96.6%, achieving a flux near 20LMH under an operating pressure of 1MPa.This proven membrane technology is both environmentally and economically advantageous, significantly enhancing product purity and quality.
Proshare - Pioneering Excellence in Water Purification Revolutionary Breakthrough in Next-Generation Reverse Osmosis Membrane Technology
Proshare - Unveiling Innovations in Clean Water Solutions Our team at Proshare has ingeniously crafted a cutting-edge generation of reverse osmosis membranes. Leveraging the groundbreaking polymer interface nano-self-assembly technology, we have transcended the conventional constraints of reverse osmosis membrane design through two pivotal advancements:
Ultra-Thin Separation Layer: A Leap in EfficiencyBy harnessing polymer interface nanotechnology, the team has remarkably diminished the separation layer's thickness to a fraction of the traditional polyamide thin film, which was previously restricted to 100 nm. This monumental stride drastically amplifies water flux, achieving a remarkable enhancement in permeability.
Enhanced Performance: Redefining Durability and ResistanceWith the infusion of nanoparticles and innovative hydrophilic polymers, we have attained transformative progress in the membrane's hydrophilicity, anti-fouling capability, long-lasting durability, and robust oxidation resistance.
In comparison to the standard polyamide reverse osmosis membranes, Proshare'sinnovation signifies remarkable breakthroughs in four critical domains:
Self-Assembled Nanocomposite Films: Precision and Diversity in Design
The fusion of nano-scale precision control and nano-doping modification empowers the production of ultra-thin, meticulously ordered separation layers using polymer interface nanotechnology. This strategy transcends the limitations of conventional polyamide membranes in terms of uniformity and material versatility.
Enhanced Water Flux and Energy Efficiency: A New Benchmark
By fine-tuning the layer-by-layer self-assembly process, the functional layer's thickness is meticulously modulated, achieving a significant 3x reduction compared to traditional membranes. This revolutionary approach results in over 3x higher water flux and a remarkable 30% reduction in energy consumption.
Innovative Polymer Materials with Unmatched Chemical Stability
Advancing beyond polyamide, the team deploys sophisticated hydrophilic polymers, such as modified polysulfones, alongside ceramic-organic hybrids. These materials boast extraordinary resilience to oxidation (withstanding up to 10 ppm chlorine exposure) and superior pH tolerance (maintaining stability across a pH range of 1-12).
Anti-Fouling Surface Engineering: Reducing Maintenance and Costs
The ultra-hydrophilic surface (with a contact angle of less than 10°) combined with nanoparticle fortification significantly diminishes organic fouling propensity by 50%. This advancement extends chemical cleaning intervals from 3 to 6 months, thus reducing maintenance costs by 40%.
Our robust commitment to excellence is recognized through our prestigious certifications. We proudly hold the Health & Safety Management System Certificate, showcasing our dedication to providing a safe working environment. Our commitment to environmental stewardship is affirmed by our Environmental Management System Certificate. In addition, our adherence to international quality standards is validated by our ISO 9001 Quality System Certificate, underscoring our unwavering commitment to quality.
Revolutionizing the membrane industry, we hold the Invention Patent for Membrane Production, an accolade recognizing our innovative advancements. Additionally, our pioneering work in multi-layer Reverse Osmosis (RO) technology is protected by the Invention Patent of Multi-layer RO Membrane, showcasing our leadership in cutting-edge filtration solutions. Our products meet rigorous environmental and health standards, as evidenced by our RoHS Compliance Certificate. This certification guarantees that our products are free from hazardous substances, reflecting our commitment to sustainability and safety.
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: Enjoy peace of mind with our robust 1-year international warranty! At Proshare Innovation Suzhou Co., Ltd., our dedication to exceptional customer service is unwavering. We stand ready to assist you around the clock, 24/7. Should you have any inquiries or require assistance with our Durable Water Treatment Equipment Membrane Filter Element for Purification, please don't hesitate to reach out to our expert team.
(6) Q: Certification?
A: Tsingxi proudly upholds the esteemed standards of ISO9001, ISO14001, and ISO45001, reflecting our commitment to quality, environmental responsibility, and occupational safety. Our products are meticulously crafted to align with the rigorous technical standards of 3C and CE. Furthermore, every product has received certification from the Industry Administration Authority, underscoring our dedication to excellence. Tsingxi continues its relentless pursuit of innovation and strength, aspiring to elevate its stature in the global water treatment market as a high-tech powerhouse.
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