PSI MEMBRANE®Presenting the Pro-BW brackish water membrane, crafted with utmost precision,incorporated with groundbreaking Thin Film Nanocomposite (TFN) technology. Perfectly designed for reclaimed wastewater, surface water, and challenging well waters, for effective treatment and feed. Effortlessly handles waters with total dissolved solids (TDS) ranging impressively between 2000 ppm to 8000 ppm.
Key features that redefine excellence:
Achieve unparalleled water production with higher flux:Ensures consistent water quality with superior rejection and flow compared to conventional membrane technology.
Outstanding anti-fouling resistance:Sophisticated anti-fouling protection significantly reduces the risk of microorganisms and inorganic fouling.
Exemplary resistance to chemical cleaning:Exceptional performance in cleaning resistance, ensuring long-term stability, reliable operation, and unmatched durability.
Key applications that harness its power:
Perfect for industrial applications such as Electronics, Power, Petrochemical, Refinery, Food, and Beverage industries, ensuring seamless operations.
Also ideal for municipal water purification, offering clean and safe water solutions.
| 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 are derived from a series of carefully monitored test conditions:
The feed water concentration is set at 2000 ppm as NaCl, with a feed water pressure of 225 psi (1.55 MPa). The feed water temperature is maintained at a steady 77 °F (25 °C), and a recovery rate of 15% is achieved for each single membrane.
2. The product flow exhibits a variation range of +/-15%;
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 amassed a wealth of invaluable experience by delivering advanced technical solutions to industries where absolute purity in water is critical. Our expertise spans across processes such as wastewater treatment, water reuse, and resource recycling, making us a trusted partner in the industrial sector.
We actively participate in a wide array of industries, including petrochemical, mining, lithium extraction from salt lakes, lithium iron phosphate & lithium battery recycling, semiconductor, seawater desalination, reclaimed water, leachate treatments, synthetic biology, copper foil manufacturing, pharmaceuticals, and power generation.
Additional applications include steam boilers, food & beverage sectors (such as mineral water bottling, soft drinks, and juices), painting lines, dairy products, ice cream production, laundries, hospitals, textiles, mechanical industries, steel manufacturing, and more.
Hospitality/Seawater and Brackish Water Desalination Applications
Proshare leverages its vast expertise in desalination technology to provide water solutions for hotels and tourist resorts. Freshwater is indispensable for these infrastructures, and our R.O. seawater or brackish water desalination systems offer a viable solution to meet the escalating demands of rapidly growing touristic regions.
Farming applications
Water is a vital component for maintaining animal health and achieving optimal livestock performance, whether it be cattle, chickens, sheep, or pigs. The quality of the water, alongside its availability, plays a crucial role in the growth and productivity of the animals.
Farm water may originate from various sources like water wells, municipal networks, or occasionally from rivers and surface water bodies.
While water from municipal systems often contains free chlorine, other sources typically harbor high levels of dissolved solids, suspended particles, and pathogens. Reverse osmosis technology emerges as the most effective method to mitigate these contaminants, ensuring the water used on farms is safe and beneficial for animal health.
Municipal and Civil use
We offer cutting-edge, scalable solutions for the efficient and eco-friendly treatment of wastewater and effluents. Our extensive range of patented technologies, backed by national-level expertise and leading scientific research institutions, ensures peace of mind for municipalities adhering to stringent health and environmental norms. We are committed to refining our sanitation systems by gathering consistent feedback from our field engineers.
Our proficiency in sewage treatment stands as a cornerstone of our expertise, empowering you to achieve your sustainable development objectives. As a leader in sustainable progress, we offer an extensive array of solutions, including:
Advanced sanitation technologies.
Innovative recovery techniques for reusable materials from wastewater.
Successful Cases Reference
Proshare PSI MEMBRANE Desalination RO Membrane Serves Desalination in Cruise Ship
Historically, the realm of desalination membranes on international luxury cruise ships has been dominated by a select few international brands. The salinity and temperature of feed water fluctuate according to the cruise ship's voyage, necessitating membranes that can seamlessly adapt to varying conditions while maintaining steadfast water production. These membranes fulfill the crucial role of catering to the needs of ocean-going vessels.
The PSI MEMBRANE Pro-HR-SW seawater desalination membranes exhibit outstanding performance, showcasing superior desalination rates and consistent water production. The water quality achieved by these membranes adheres impeccably to the stringent standards required by cruise ships, ensuring unparalleled reliability and purity.
This extraordinary achievement resulted in the adoption of these desalination membranes on three additional cruise ships. Proshare has proudly emerged as the pioneering national brand to secure international luxury cruise ship orders for desalination RO membranes, setting a new benchmark in the industry.
A Complete Water Treatment Plant for Generating Ultra-pure Water in Semiconductor Industry
Within the realm of electronics, the demand for ultra-pure water with exceptional membrane desalination rates is exceedingly high, a standard that only an elite few brands can satisfy.
Leveraging Proshare's groundbreaking TFN membrane technology and the deep expertise of the TsingXi team in the water treatment field, a comprehensive water treatment plant and pure water equipment solution has been developed. This solution demonstrates remarkable rejection capabilities for salt, boron, and TOC, with water production that meets the semiconductor industry's rigorous water requirements.
This successful outcome has been instrumental in securing the electronic ultra-pure water treatment project with a prominent Japanese listed company, marking a significant milestone for Proshare.
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 wastewater concentration increase of up to 40 times. The concentrated water achieves an ammonium sulphate concentration of ≥ 20%, significantly reducing subsequent energy consumption for evaporation and crystallisation. This results in substantial cost savings for users, while producing water quality that consistently meets the China Petroleum and Chemical Corporation's corporate standard Q/SH 0628.2-2014 for circulating water make-up, successfully achieving zero wastewater discharge.
This impressive achievement has led to additional orders from other subsidiaries within the group.
This membrane is also suitable for other high-temperature, highly acidic wastewater scenarios containing ammonium sulphate, such as in the energy, refining, chemical, and metallurgical industries. The latest advancements in ammonia desulphurisation technology, combined with carbon capture, support new energy consumption and foster the development of a green industry chain, aligning with the national 'dual-carbon' policy.
Proshare TFN-SEP Customized NF Membrane Dramatically Increases Lithium Permeate Rate up to 96.6%,while achieving a retention rate of Mg2+ > 99%,and a retention rate of Ca2+ > 98%
Technical Bottlenecks in the Membrane Separation (Nanofiltration/Reverse Osmosis) for Lithium Extraction from Salt Lakes continue to be challenged by membrane fouling,low selectivity < 80%,high energy consumption accounts for 30% - 40% of total cost,short membrane lifespan 2 - 3 years.
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 a 2-stage Nanofiltration process + 1-stage RO, given production water with Mg2+ at 2.9 mg/L and Ca2+ at 2.25 mg/L. Retention rates: Mg2+ > 99% and Ca2+ > 98%, lithium permeate rate at 96.6%. The flux is close to 20 LMH under an operating pressure of 1 MPa.This proven membrane technology is both environmentally and economically friendly, enhancing product purity and quality.
Proshare Team's Revolutionary Advancements in Cutting-Edge Reverse Osmosis Membrane Technology
Proshare Our dedicated team has ingeniously pioneered a breakthrough in reverse osmosis membranes, utilizing state-of-the-art polymer interface nano-self-assembly technology. This innovation triumphs over traditional reverse osmosis membrane constraints through two pivotal advancements:
Ultra-Thin Separation Layer: Harnessing the power of polymer interface nanotechnology, we've achieved a remarkable reduction in the separation layer's thickness, now being at least three times thinner than the conventional polyamide thin film, which was previously capped at 100 nm. This significant stride forward dramatically elevates water flux, resulting in a remarkable enhancement in permeability.
Elevated Performance: By integrating cutting-edge nanoparticles and specialized hydrophilic polymers, we've ushered in a new era of membrane performance. Our advancements deliver groundbreaking improvements in hydrophilicity, anti-fouling capability, durability, and oxidation resistance.
Compared to traditional polyamide reverse osmosis membranes, Proshare's pioneering innovation presents breakthroughs in four critical dimensions:
Self-Assembled Nanocomposite Films
Through the precise integration of nano-scale control and nano-doping modifications, we craft ultra-thin, meticulously ordered separation layers, thanks to polymer interface nanotechnology. This revolutionary approach overcomes the conventional polyamide membranes' limitations in thickness uniformity and material diversity.
Enhanced Water Flux and Energy Efficiency
By refining the layer-by-layer self-assembly process, we precisely control the thickness of the functional layer, achieving an astonishing 3x reduction compared to traditional membranes. This innovation results in >3x higher water flux and a 30% reduction in energy consumption.
Innovative Polymer Materials with Unrivaled Chemical Stability
Pushing beyond polyamide, we leverage advanced hydrophilic polymers (such as modified polysulfones) and ceramic-organic hybrids. These cutting-edge materials showcase unparalleled oxidation resistance (withstanding 10 ppm chlorine exposure) and pH resilience (remaining stable across a 1-12 pH range).
Anti-Fouling Surface Engineering
Our ultra-hydrophilic surface (contact angle <10°) combined with nanoparticle reinforcement significantly reduces the tendency for organic fouling by 50%, extending the interval between chemical cleaning cycles from 3 to 6 months, thereby slashing maintenance costs by 40%.
Proshare Innovation Suzhou Co., Ltd. takes pride in its robust commitment to excellence and compliance, evidenced by our comprehensive certifications. Our suite of accolades includes the esteemed Health & Safety Management System Certificate, showcasing our unwavering commitment to ensuring a safe and healthy working environment. We also uphold a strong environmental ethos, as demonstrated by our Environmental Management System Certificate. Furthermore, our rigorous adherence to quality is validated by the ISO9001 Quality System Certificate, a testament to our dedication to delivering superior products and services.
At Proshare Innovation Suzhou Co., Ltd., we are at the forefront of technological advancement, holding prestigious patents that underscore our innovation leadership. Our Invention Patent of Membranes Production reflects our pioneering developments in the field of membrane technology. Additionally, our Invention Patent of Multi-layer RO Membrane highlights our cutting-edge approach to creating effective and efficient filtration solutions. Proshare Innovation Suzhou Co., Ltd. proudly holds the RoHS Compliance Certificate, affirming our commitment to maintaining high standards of environmental responsibility by restricting hazardous substances in our products. This certification underscores our dedication to sustainability and eco-friendly innovation, ensuring our products are safe for both people and the planet.
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 products come with a comprehensive 1-year warranty that aligns with international standards, ensuring peace of mind for our valued customers. Additionally, our dedicated support team is available online 24/7 to assist you. Should you have any inquiries or require assistance with our machine, please feel free to reach out to us at any time.
(6) Q: Certification?
A: Tsingxi is proud to hold multiple internationally recognized certifications, namely ISO9001, ISO14001, and ISO45001. Our products are meticulously engineered to comply with the rigorous technical standards of 3C and CE, ensuring top-notch quality and safety. All our offerings have been authenticated by the Industry Administration Authority, attesting to their excellence and reliability. Tsingxi is unwavering in its commitment to innovation and excellence, continually striving to strengthen our position as a leading high-tech company in the global water treatment market. Our pursuit of growth and excellence knows no bounds as we aim to set new benchmarks in the industry.
){kind=link}