PSI MEMBRANE®Pro-BW brackish water membrane ,Incorporated with cutting-edge Thin Film Nanocomposite (TFN) technology, these membranes are expertly crafted for optimal performance with reclaimed wastewater, surface water, and challenging well waters in both treatment and feed processes. Capable of treating waters with total dissolved solids (TDS) ranging impressively from 2000 ppm to 8000 ppm.
Key features:
Produce higher flux:Offering superior water quality with a higher rejection rate and flow capacity than traditional membrane technology.
Anti-fouling resistant:Advanced anti-fouling protection significantly minimizes the presence of microorganisms and inorganic fouling.
Excellent chemical cleaning resistant:Outstanding resistance to cleaning processes ensures long-term stable operation and exceptional durability.
Key applications:
Perfect for industrial applications in sectors such as Electronics, Power, Petrochemical, Refinery, Food and Beverage industries, demonstrating unparalleled versatility.
Also ideal for municipal water purification needs.
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. Experience the peak of performance with our product's impressive flow rate and salt rejection rate, meticulously evaluated under the following test conditions:
Feed water concentration: 2000 ppm as NaCl, ensuring robust filtration efficacy. Operate at a feed water pressure of 225 psi (1.55 MPa) and enjoy optimal results with a stable feed water temperature of 77 °F (25 °C). Achieve a recovery rate of 15% for each single membrane, underlining our commitment to efficiency and reliability.
2. Expect a variation range of product flow of +/-15%, highlighting our product's adaptability to diverse operational needs;
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 an esteemed reputation by delivering exceptional technical solutions crucial for the industrial sector, where ultra-pure water is imperative for diverse industrial processes, wastewater treatment and reuse, and resource recycling.
We proudly serve a myriad of pivotal industries, including petrochemical, mining, lithium extraction from salt lakes, lithium iron phosphate & lithium battery recycling, semiconductor, seawater desalinization, reclaimed water projects, leachate management, synthetic biology, copper foil production, pharmaceutical manufacturing, and power generation.
Our expertise extends to applications such as steam boiler feed, and within the realms of food & beverages industry including mineral water bottling, soft drinks, juices, as well as painting lines, dairies, ice cream production, laundries, hospitals, textiles, mechanical industries, steel companies, and much more.
Hospitality/Seawater and Brackish Water Desalination Applications
Drawing from an extensive well of experience in desalination technology, Proshare is adept at providing solutions for water desalination tailored for civil use, notably in hotels and touristic resorts. The provision of fresh water is a vital service for these infrastructures. Our reverse osmosis (R.O.) technology for seawater and brackish water desalination offers a viable solution to meet the burgeoning water demands of these fast-growing touristic areas and their expanding capacities.
Farming applications
In farming, water quality is paramount to ensure the health of animals such as cattle, chickens, sheep, and pigs, as well as to optimize their productive performance. Beyond mere quantity, water quality plays a pivotal role in nurturing the desired growth of livestock.
Farm water sources are varied, drawing from water wells, civil water networks, and occasionally from rivers and other surface sources. Each source demands careful consideration to ensure quality.
Excluding water from civil networks, which contains disinfecting free chlorine, other sources often contain high levels of dissolved and suspended solids and pathogens. Reverse osmosis technology has proven to be the most effective means to mitigate these issues, ensuring that farm water undergoes rigorous treatment to eliminate harmful substances, safeguarding animal health.
Municipal and Civil use
Our mission is to provide groundbreaking and scalable solutions for the effective and sustainable treatment of wastewater and effluents. With a comprehensive portfolio of patented technologies and the collaboration of national-level experts and scientific research institutions, we deliver unparalleled assurance to municipalities adhering to stringent health and environmental standards. We are committed to the continuous enhancement of our sanitation systems through systematic feedback loops from our field engineers.
Our extensive sewage treatment expertise is a cornerstone of the support we offer, helping you achieve your sustainable development goals. As a leader in sustainable development, our range of solutions includes:
Sanitation technologies.
Recovery of reusable materials from wastewater.
Successful Cases Reference
Proshare PSI MEMBRANE Desalination RO Membrane Serves Desalination in Cruise Ship
Historically, the application of desalination membranes on luxury cruise ships was dominated by key international players. With cruise ships traversing varied environments, the feed water quality-its salinity and temperature-changes frequently. Thus, membranes must adapt seamlessly to diverse conditions, ensuring a consistent water output that caters to the rigorous demands of ocean-going vessels.
The PSI MEMBRANE Pro-HR-SW seawater desalination membranes excelled by showcasing superior desalination efficiency and consistent water production. The membranes delivered water quality that aligned perfectly with the high standards of luxury cruise liners.
This outstanding performance led to the adoption of our desalination membranes on three additional cruise ships, marking Proshare's milestone as the pioneering national brand to secure international luxury cruise ship orders for desalination RO membranes.
A Complete Water Treatment Plant for Ultra-pure Water in the Semiconductor Industry
In the semiconductor industry, the demand for electronic-grade ultra-pure water with exceptional membrane desalination rates is remarkably high, a standard that only select brands can achieve.
Leveraging the revolutionary TFN membrane technology and the TsingXi team's extensive expertise in water treatment, Proshare's comprehensive water treatment plant solution demonstrated impressive proficiency in rejecting salt, boron, and TOC. This system has successfully reached the stringent water production standards required by the semiconductor industry.
This positive outcome has secured our involvement in the electronic ultra-pure water treatment project of a reputed Japanese listed company.
Proshare Tailor made TFN special acid-resistant and high-pressure membranes for Wastewater Treatment in Petrochemical/Refining Industries, Achieving True Zero Liquid Discharge
Proshare Tailor made TFN special acid-resistant and high-pressure membranes designed for effective separation and concentration of wastewater containing ammonium sulphate desulphurisation. This innovation achieved a remarkable 40-fold concentration, with a minimum concentration of ammonium sulphate at 20% of the concentrated water. This significantly reduces energy consumption in subsequent evaporation and crystallisation stages, offering substantial cost savings. The water quality achieved meets the stringent China Petroleum and Chemical Corporation standards (Q/SH 0628.2-2014) for circulating make-up water, ensuring genuine zero wastewater discharge.
This achievement has led to an influx of orders from other subsidiaries within the group.
This membrane technology is also applicable to other high-temperature, highly acidic wastewater scenarios containing ammonium sulphate, such as energy, refining, chemical, and metallurgical industries. Coupled with the latest ammonia desulphurisation technology and carbon capture, it supports new energy consumption and the green industry chain development, aligning with the national 'dual-carbon' policy.
Proshare TFN-SEP Customized NF Membrane Delivers Exceptional Lithium Recovery Rates of up to 96.6%,while ensuring superior retention rates of Mg2+ > 99%, andCa2+ > 98%.
Technical Bottlenecks in Membrane Separation (Nanofiltration/Reverse Osmosis) for Lithium Extraction from Salt Lakes present challenges due to membrane fouling,low selectivity less than 80%,high energy consumption that accounts for 30% to 40% of the total cost,short membrane lifespan of 2 to 3 years.
Proshare PSI MEMBRANE TFN-SEP Customized NF/RO Membrane
demonstrated outstanding performance data in a lithium extraction project located within Lakkor Tso Salt Lake , Tibet, China.:
Featuring a 2-stage Nanofiltration process combined with a 1-stage RO delivering production water with magnesium ions (Mg2+) at 2.9 mg/L and calcium ions (Ca2+) at 2.25 mg/L, boasting a retention rate of Mg2+ exceeding 99% and Ca2+ exceeding 98%, lithium permeate rate at 96.6%, with a flux approaching 20 LMH under an operational pressure of 1 MPa.Our proven membrane technology is both environmentally and economically friendly, significantly enhancing product purity and quality.
Proshare Innovation Suzhou Co., Ltd. Pioneering Breakthroughs in Advanced Reverse Osmosis Membrane Technology
Proshare Innovation Suzhou Co., Ltd. Our dedicated team has ingeniously crafted a revolutionary new generation of reverse osmosis membranes utilizing cutting-edge polymer interface nano-self-assembly technology. This innovation triumphs over the constraints of conventional membrane development through two significant advancements:
Revolutionary Ultra-Thin Separation Layer: Harnessing the power of polymer interface nanotechnology, our team has achieved a remarkable reduction in the thickness of the separation layer, rendering it at least three times thinner than traditional polyamide thin films, which were previously confined to 100 nm. This advancement dramatically boosts water flux, leading to a noteworthy enhancement in permeability.
Unmatched Enhanced Performance: The strategic introduction of nanoparticles and bespoke hydrophilic polymers has catalyzed transformative improvements in the membrane's hydrophilicity, anti-fouling capabilities, durability, and oxidation resilience.
When stacked against conventional polyamide reverse osmosis membranes, Proshare Innovation Suzhou Co., Ltd.proudly showcases breakthroughs across four pivotal dimensions:
Innovative Self-Assembled Nanocomposite Films
By marrying nano-scale precision control with nano-doping modification, we craft ultra-thin, meticulously ordered separation layers via polymer interface nanotechnology. This sophisticated approach transcends the traditional constraints of polyamide membranes, providing unparalleled thickness uniformity and material versatility.
Superior Water Flux and Energy Efficiency
Through the meticulous optimization of the layer-by-layer self-assembly process, we achieve precise control of the functional layer thickness, resulting in a 3x reduction compared to traditional membranes. This innovation culminates in over three times higher water flux while maintaining an impressive 30% reduction in energy consumption.
Groundbreaking Novel Polymer Materials with Unrivaled Chemical Stability
Our approach transcends polyamide by employing advanced hydrophilic polymers such as modified polysulfones, alongside ceramic-organic hybrids. These pioneering materials boast exceptional oxidation resistance, withstanding exposures of up to 10 ppm chlorine and maintaining pH stability across a broad range of 1-12 pH.
State-of-the-Art Anti-Fouling Surface Engineering
Our superhydrophilic surface (with a contact angle under 10°), fortified by nanoparticle reinforcement, slashes the tendency for organic fouling by a remarkable 50%. This advancement doubles the duration of chemical cleaning cycles from three to six months, simultaneously reducing maintenance costs by 40%.
Our commitment to excellence is reflected in our robust certifications, including: Health & Safety Management System Certificate, Environmental Management System Certificate, and ISO9001 Quality System Certificate. Each certification is a testament to our unwavering dedication to the highest standards of safety, sustainability, and quality.
We are proud of our groundbreaking achievements, exemplified by our patents: the Invention Patent of Membranes Production and the Invention Patent of Multi-layer RO Membrane. These patents showcase our innovative spirit and commitment to advancing membrane technology. Our compliance with the RoHS standard underscores our commitment to environmental responsibility, ensuring our products are free from hazardous substances and are safe for use in any setting.
Proshare Innovation Suzhou Co., Ltd. is a prestigious national high-tech enterprise devoted to the pioneering R&D and large-scale industrialization of cutting-edge third-generation thin-film nanocomposite (TFN) membranes. Our focus is on applications in reverse osmosis (RO), nanofiltration (NF), and material separation. Established in 2017 by a visionary team of internationally experienced doctoral experts under the leadership of Dr. Lin Xiaofeng-an acclaimed recipient of esteemed national-level talent programs-Proshare has proudly risen as China's sole domestic producer of TFN membranes.
Core Competencies
Technological Innovation: We have revolutionized the realm of TFN technology by integrating it into nanofiltration membranes. Our fully independent R&D and local production capabilities span both membrane and manufacturing equipment, establishing new benchmarks in the industry.
Intellectual Property: With a robust portfolio of over 31 patents, our membrane performance has attained internationally leading standards, effectively replacing once-dominant foreign competitors.
Production Capacity: Our operations include a state-of-the-art 2,000 m² R&D facility and an expansive 15,000 m² production base, ensuring we meet growing demand with precision and scalability.
Funding: We have successfully completed Pre-A Round (2023) and A Round (January 2025) financing, with significant backing from eminent investment entities like the Suzhou Industrial Park Science Innovation Fund and Yong Sheng Capital.
Market Recognition: We are honored to be a designated preferred supplier for leading listed environmental engineering firms and influential state-owned enterprises.
Leadership:Dr. Lin Xiaofeng, a distinguished Ph.D. alumnus of the University of Strasbourg (France), has been celebrated with prestigious provincial and national accolades (e.g., Suzhou Leading Talent, Jiangsu Dual Innovation Talent). His strategic foresight and expertise drive our relentless R&D advancements in TFN membrane industrialization.
WHY US?
FAQ:
(1) Q: Why Choose Our Company?
A: Comprehensive water treatment solutions.
We offer revolutionary Thin Film Nanocomposite (TFN) membrane sheets, membrane elements, and holistic water treatment system solutions tailored to your needs.
A: Customization Expertise
Leveraging the insights of national experts and collaboration with Tsinghua University Suzhou Environmental Innovation, we ensure unparalleled customization capabilities.
A: Quality Assurance and Value Delivery
Our solutions are not just premium. They also deliver substantial ROI for our clients. We offer extensive training, support, and services, amplifying our local acumen to serve global markets.
A: Customer-Centric Collaboration
Our clients inspire us as we work together to provide the most precious resource-clean water. Let's thrive collectively for a world optimized for water access.
(2)Q: Are you a manufacturer or Trade Company?
A: We are an esteemed manufacturer with our own International Trade Department, enabling us to accurately comprehend customer requirements and offer competitive pricing.
(3) Q: How's the after-sale service?
A: We deploy skilled engineers for overseas services, ensuring seamless integration and support under the guidance and translation of merchandisers.
(4) Q: How about the quality?
A: Our key sub-assemblies and raw materials are sourced from renowned large enterprises. With core components developed by our expert team, our rigorous assembly line and quality control systems guarantee exceptional quality standards.
(5) Q: Product /Quality Guarantee and After Sale Service?
A: Enjoy a comprehensive 1-year warranty that aligns with international standards. Our dedicated team is available online 24/7, ready to assist with any inquiries regarding our machines. Reach out to us anytime for unparalleled support and service.
(6) Q: Certification?
A: Proudly, Tsingxi is accredited with ISO9001, ISO14001, and ISO45001 certifications. Our products are meticulously crafted to adhere to 3C and CE technical standards, with full approval from the Industry Administration Authority. Tsingxi is committed to evolving as a leading high-tech enterprise within the global water treatment market, continually pushing boundaries and setting new industry benchmarks.