PSI MEMBRANE®Pro-BW Brackish Water Membrane ,Incorporated with revolutionary Thin Film Nanocomposite (TFN) technology, these membranes are expertly designed for challenging water sources such as reclaimed wastewater, surface water, and difficult well waters. Suitable for effective treatment and feed. Waters with total dissolved solids (TDS) ranging from 2000 ppm to 8000 ppm.
Key Features:
Produce Higher Flux:Delivers superior water quality through enhanced rejection and flow, surpassing conventional technology membranes.
Anti-Fouling Resistant:Advanced anti-fouling protection significantly reduces both microorganisms and inorganic fouling.
Exceptional Chemical Cleaning Resistant:Outstanding resistance to chemical cleaning ensures long-term stability and durability for continuous operation.
Key Applications:
Perfectly tailored for industrial applications in sectors such as Electronics, Power, Petrochemical, Refinery, Food, and Beverage industries.
Essential 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 flow rate and salt rejection rate have been meticulously determined under the specified test conditions:
With a feed water concentration precisely at 2000 ppm as NaCl, a controlled feed water pressure of 225 psi (1.55 MPa), and an optimal feed water temperature of 77°F (25°C), each single membrane achieves a recovery rate of 15%.
2. The variation range of the product flow is an impressive +/-15%, ensuring consistent performance.
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 forged a remarkable legacy by delivering cutting-edge technical solutions to industries that demand the highest purity of water. Our expertise shines in processes requiring pristine water, wastewater treatment and reuse, and resource recycling, setting a benchmark for excellence.
Our reach extends across pivotal industrial sectors, including but not limited to petrochemical, mining, lithium extraction from salt lakes, lithium iron phosphate, and lithium battery recycling. We are also pivotal in semiconductor production, seawater desalination, reclaimed water treatment, leachate processing, synthetic biology, copper foil manufacturing, pharmaceuticals, and power generation.
Furthermore, our technological prowess benefits sectors such as steam boiler feeding, food and beverages-including mineral water bottling, soft drinks, and juices-painting lines, dairies, ice creams, laundries, hospitals, textiles, mechanical industries, and steel companies, ensuring optimal water quality and treatment solutions.
Hospitality/Seawater and Brackish Water Desalination Applications
Proshare's vast experience in desalination technology extends elegantly to the civil sector, particularly in hotels and touristic resorts. With fresh water being a critical necessity, our R.O. seawater and brackish water desalination systems provide robust alternatives to meet the soaring demands of these growing infrastructures, ensuring a seamless water supply for expanding tourist destinations.
Farming applications
Water quality is crucial in agriculture for promoting the optimal health and productivity of animals like cattle, chickens, sheep, and pigs. It's not just about quantity; water quality significantly impacts animal growth and performance, making it an essential aspect of modern farming practices.
Water for agricultural use can be sourced from an array of origins, such as water wells, civil water networks, and occasionally from rivers and other surface sources, each presenting unique challenges and requiring tailored treatment solutions.
Apart from civil network sources that contain free chlorine, other water sources often have high levels of dissolved and suspended solids and pathogens. Thus, reverse osmosis technology emerges as the superior solution to mitigate these contaminants, ensuring farm water is treated to minimize harmful substances that could affect animal health.
Municipal and Civil use
We champion innovative, scalable solutions for efficient wastewater and effluent treatment, focusing on sustainability. Our expansive range of patented technologies, backed by national experts and research institutions, delivers peace of mind by adhering to stringent health and environmental standards. We are committed to constantly refining our sanitation systems through feedback from our dedicated engineering teams.
With sewage treatment expertise as a cornerstone of our contribution to sustainable development, we offer an extensive array of solutions designed to support your sustainability goals, including:
Advanced sanitation technologies.
Innovative wastewater recovery and material reuse.
Successful Cases Reference
Proshare PSI MEMBRANE Desalination RO Membrane Serves Desalination in Cruise Ship
Historically, the application of desalination membranes on luxury cruise ships has been dominated by a select few international brands. The quality of feed water, such as salinity and temperature, varies with the cruise ship's journey. Hence, membranes must adapt to these differing conditions while ensuring consistent and stable water production to meet the demanding needs of ocean-going vessels.
The PSI MEMBRANE Pro-HR-SW seawater desalination membranes have demonstrated exceptional performance, excelling in both desalination rate and stable water production. These membranes produce water that meets the stringent quality requirements of luxury cruise ships, ensuring an unparalleled experience for passengers.
This outstanding achievement led to the replacement of desalination membranes on three additional cruise ships, marking Proshare as the first national brand to secure international luxury cruise ship orders for desalination RO membranes. A landmark accomplishment for the company, setting new standards in the industry.
A Complete Water Treatment Plant for Generating Ultra-pure Water in the Semiconductor Industry
In the semiconductor industry, the demand for electronic-grade ultra-pure water is exceptionally high. Only a select few brands meet these rigorous desalination rate requirements, ensuring precision manufacturing.
Leveraging Proshare's revolutionary TFN membrane technology and the TsingXi team's extensive experience in water treatment, the comprehensive plant solution showcases remarkable rejection performance against salt, boron, and TOC. The system's water production meets the stringent requirements of the semiconductor industry, ensuring excellence in production.
This successful outcome has opened doors to collaborate with a prestigious Japanese listed company on its electronic ultra-pure water treatment project, reinforcing Proshare's reputation for innovation and reliability.
Proshare Tailor made TFN special acid-resistant and high-pressure membranes for Wastewater Treatment in Petrochemical/Refining, Truly Achieving 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. Achieved wastewater concentration up to 40 times, with ammonium sulphate concentrations of ≥ 20% in the concentrated water. This significantly reduces subsequent evaporation and crystallisation energy consumption, resulting in substantial cost savings for users. The produced water quality consistently meets China Petroleum and Chemical Corporation's corporate standard Q/SH 0628.2-2014 for circulating water make-up water. Truly achieving zero wastewater discharge.
This successful outcome has led to additional orders from other subsidiaries within the group, further cementing Proshare's position as an industry leader.
This membrane technology also applies to other high-temperature, highly acidic wastewater scenarios containing ammonium sulphate, including energy, refining, chemical, metallurgical, and more. The latest advancements in ammonia desulphurisation technology, combined with carbon capture, support new energy consumption and the development of a sustainable 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%,ensures retention rate of Mg2+ > 99%,and retention rate of Ca2+ > 98%
Addressing Technical Bottlenecks in Membrane Separation (Nanofiltration/Reverse Osmosis) for Lithium Extraction from Salt Lakes, these innovative membranes overcomecritical challenges like membranefouling,leading to transformative advancements.ow 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 Achieving Milestones: Team's Breakthrough in Pioneering New-Age Reverse Osmosis Membrane Technology
Proshare Our expert team has ingeniously crafted a state-of-the-art generation of reverse osmosis membranes using revolutionary polymer interface nano-self-assembly technology, triumphing over the traditional development constraints of reverse osmosis membranes with two major innovations:
Ultra-Thin Separation Layer: Through the adept application of polymer interface nanotechnology, our team has magnificently minimized the separation layer's thickness to astonishingly be at least three times thinner than the conventional polyamide thin film (previously confined to 100 nm). This stride forward dramatically boosts water flux, culminating in a profound enhancement in permeability.
Enhanced Performance: The incorporation of cutting-edge nanoparticles and specialized hydrophilic polymers has spurred transformative advancements in the membrane's hydrophilicity, anti-fouling capability, durability, and oxidation resistance, setting new industry standards.
In comparison to traditional polyamide reverse osmosis membranes, Proshare's groundbreaking innovation showcases remarkable breakthroughs across four pivotal dimensions:
Self-Assembled Nanocomposite Films
Thanks to the integration of nano-scale precision control and sophisticated nano-doping modification, the creation of ultra-thin, meticulously ordered separation layers via polymer interface nanotechnology is possible. This strategy transcends the traditional polyamide membranes' constraints in thickness uniformity and material diversity.
Enhanced Water Flux and Energy Efficiency
By refining the layer-by-layer self-assembly process, the functional layer thickness achieves precision control with a 3x reduction compared to standard membranes, culminating in >3x increased water flux and 30% reduction in energy consumption.
Novel Polymer Materials with Unmatched Chemical Stability
Venturing beyond polyamide, our team employs advanced hydrophilic polymers (including modified polysulfones) alongside ceramic-organic hybrids. These materials demonstrate exceptional oxidation resistance (withstanding 10 ppm chlorine exposure) and pH endurance (remaining stable within a 1-12 pH range).
Anti-Fouling Surface Engineering
Our superhydrophilic surface engineering (contact angle <10°) fortified with nanoparticle reinforcement remarkably diminishes organic fouling propensity by 50%, extending the intervals between chemical cleaning cycles from 3 to 6 months, thereby slashing maintenance costs by an impressive 40%.
Immerse yourself in the assurance of quality with our trio of esteemed certifications: Health & Safety Management System Certificate, Environmental Management System Certificate, and the prestigious ISO9001 Quality System Certificate. Trust in our commitment to excellence and safety.
Discover the forefront of innovation with our groundbreaking patents: The Invention Patent of Membrane Production and the pioneering Invention Patent of Multi-layer RO Membrane. Experience unparalleled advancements in water filtration technology. RoHS COMPLIANCE Certificate
Proshare Innovation Suzhou Co., Ltd. is at the forefront as a national high-tech enterprise, expertly driving the R&D and industrialization of cutting-edge third-generation thin-film nanocomposite (TFN) membranes. Specializing in reverse osmosis (RO), nanofiltration (NF), and advanced material separation applications, Proshare was established in 2017 by an elite team of overseas-returned Ph.D. experts, under the visionary leadership of Dr. Lin Xiaofeng, a distinguished recipient of national-level talent awards. Proshare proudly stands as China's exclusive domestic producer of TFN membranes-redefining industry standards.
Core Competencies
Technological Innovation: We have revolutionized the field by pioneering TFN technology applications within nanofiltration membranes. This groundbreaking achievement enables us to conduct completely independent R&D, along with the localized production of membranes and their manufacturing equipment-truly setting us apart.
Intellectual Property: Boasting a portfolio of over 31 patents, our membranes perform at the pinnacle of international standards, successfully substituting previously monopolized foreign products.
Production Capacity: Home to a vast 2,000 m² R&D hub alongside a 15,000 m² state-of-the-art production facility.
Funding: With a successful Pre-A Round (2023) and A Round (January 2025) of financing, our growth is supported by leading entities such as the Suzhou Industrial Park Science Innovation Fund and Yong Sheng Capital.
Market Recognition: We are honored to be a preferred supplier for esteemed listed environmental engineering firms and prestigious state-owned enterprises.
Leadership:Dr. Lin Xiaofeng, a doctorate alumnus from the University of Strasbourg (France), is not only recognized with high-level provincial and national talent accolades, including Suzhou Leading Talent and Jiangsu Dual Innovation Talent, but also spearheads pioneering R&D efforts in TFN membrane industrialization.
WHY US?
FAQ:
(1) Q: Why Choose Our Company?
A: Experience unparalleled water treatment solutions.
We offer game-changing TFN membrane sheets, membrane elements, and comprehensive water treatment systems tailored to meet your needs.
A: Benefit from our exceptional customization abilities.
We are backed by national specialist teams and collaborate with Tsinghua University Suzhou Environmental Innovation to deliver solutions that truly reflect our expertise.
A: Quality and value-assured.
Our top-tier solutions not only meet premium quality standards , they also offer significant ROI for our clients. We provide an array of training, support, and services, leveraging our local insights to make a global impact.
A: Partnering for success.
Our motivation stems from our customers and their mission to ensure a steady supply of clean water. Together, we aim for a world optimized for water efficiency and sustainability.
(2)Q: Are you a manufacturer or Trade Company?
A: We proudly operate as a professional manufacturer with our own International Trade Department, empowering us to better grasp customer needs and offer competitive pricing.
(3) Q: How's the after-sale service?
A: Our team includes skilled engineers ready to provide overseas service, all under the supervision and translation of our merchandisers.
(4) Q: How about the quality?
A: We ensure excellence by sourcing main sub-assemblies and raw materials from prominent companies. Our in-house team develops key components, while professional assembly lines and stringent quality testing systems assure you of unmatched quality.
(5) Q: Product /Quality Guarantee and After Sale Service?
A: We proudly offer a comprehensive 1-year warranty that aligns with international standards. To provide our valued customers with exceptional support, our dedicated team is available online 24/7. Should you have any inquiries or require assistance regarding our machine, please do not hesitate to reach out to us.
(6) Q: Certification?
A: Tsingxi is a prestigious entity adhering to rigorous standards, holding ISO9001, ISO14001, and ISO45001 certifications. Our products are meticulously crafted to align with the esteemed technical standards of 3C and CE. Furthermore, all our offerings proudly bear certification from the authoritative Industry Administration Authority. Tsingxi remains committed to its mission of becoming an even more formidable high-tech leader in the competitive global water treatment market.
){kind=link}