PSI MEMBRANE®Pro-BW brackish water membrane ,Incorporated with groundbreaking Thin Film Nanocomposite (TFN) technology, these membranes are perfect for treating reclaimed wastewater, surface water, and challenging well waters. They perform exceptionally in treatment and feed waters with total dissolved solids (TDS) ranging from 2000 ppm to 8000 ppm.
Key Features:
Produces Higher Flux:Experience consistent water quality with superior rejection rates and flow, surpassing conventional membrane technologies.
Anti-Fouling Resistance:Advanced anti-fouling protection minimizes the risk of microorganism and inorganic fouling.
Outstanding Chemical Cleaning Resistance:Demonstrates superior resistance to cleaning chemicals, ensuring long-term stable operation and durability.
Key Applications:
Perfectly suited for industrial applications in sectors such as 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 flow rate and exceptional salt rejection rate have been meticulously tested and verified under the following conditions:
The testing specifications include: a feed water concentration of 2000 ppm as NaCl, a feed water pressure set at 225 psi (1.55 MPa), a regulated feed water temperature of 77 °F (25 °C), and a recovery rate of 15% for each individual membrane.
2. Expect a product flow variation within a range of +/-15%, ensuring consistent performance under various conditions.
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 invaluable expertise by delivering state-of-the-art technical solutions to the industrial sector, where the demand for absolutely pure water is paramount. Our innovative technologies support various processes, including wastewater treatment, resource recycling, and the reuse of water, ensuring optimal performance and sustainability.
We actively serve key industry sectors, encompassing petrochemical, mining, lithium extraction from salt lakes, lithium iron phosphate, and lithium battery recycling. Our expansive reach also includes the semiconductor industry, seawater desalination, reclaimed water systems, leachate management, synthetic biology, copper foil production, pharmaceutical manufacturing, and power generation.
Our cutting-edge solutions extend to steam boiler feeding, the food and beverages sector (including mineral water bottling, soft drinks, and juices), painting lines, dairy processing, ice cream manufacturing, laundries, hospitals, textile production, mechanical industries, and steel companies, among others.
Hospitality/Seawater and Brackish Water Desalination Applications
Leveraging Proshare's extensive expertise in desalination technology, we offer pioneering solutions for water desalination in civil sectors, particularly in hotels and tourist resorts. The supply of fresh water is critical for these infrastructures, and our R.O. sea water and brackish water desalination technologies provide an alternative solution, effectively meeting the escalating water needs of burgeoning tourist areas.
Farming applications
Water quality is crucial to ensuring the health and productivity of farm animals like cattle, chickens, sheep, and pigs. Not just the quantity, but the quality of water significantly influences animal growth and performance, making water treatment an essential aspect of modern farming.
Farms rely on various water sources, including water wells, municipal water networks, and occasionally rivers or other surface sources. Each source has unique characteristics that require careful management to ensure optimal water quality and availability.
Except for municipal water (which contains free chlorine), most other sources have high levels of dissolved solids, suspended particles, and potentially harmful pathogens. Reverse osmosis technology stands out as the best method to mitigate these issues, effectively treating contaminated farm water to remove harmful substances that could affect animal health.
Municipal and Civil use
We offer cutting-edge, scalable solutions for the efficient and sustainable treatment of wastewater and effluents. Our extensive portfolio of patented technologies, combined with collaboration with national-level experts and research institutions, ensures compliance with stringent health and environmental standards. Continuous improvement is achieved through systematic feedback from our field engineers, enhancing our sanitation systems.
Our expertise in sewage treatment is foundational to our support for your sustainable development goals. As a leader in sustainable development, we offer a comprehensive array of solutions, including:
Advanced sanitation technologies.
Innovative systems for the recovery of reusable materials from wastewater.
Successful Cases Reference
Proshare PSI MEMBRANE Desalination RO Membrane Serves Desalination in Cruise Ship
In the world of luxury cruising, where excellence is non-negotiable, the application of desalination membranes has traditionally been the stronghold of select international leaders. As luxury cruise ships navigate diverse routes, they encounter varying feed water conditions, including salinity and temperature fluctuations. Hence, a membrane's ability to adapt and maintain consistent water production is crucial to meeting the rigorous demands of ocean-going vessels.
The PSI MEMBRANE Pro-HR-SW seawater desalination membranes have set a new benchmark with their exceptional desalination rate and steady water production capabilities. The quality of water generated by our membranes surpasses the demanding standards required by luxury cruise ships.
This outstanding achievement has led to the adoption of our membranes on three more luxury cruise ships. Proshare's groundbreaking success solidifies its position as the first national brand to secure prestigious orders from international luxury cruise lines for desalination RO membranes.
A Complete Water Treatment Plant for Generating Ultra-pure Water in Semiconductor Industry
In the semiconductor industry, the standards for electronic-grade ultra-pure water are incredibly stringent. Only a select few can meet these exacting desalination rate requirements.
Leveraging Proshare's pioneering TFN membrane technology alongside TsingXi's expertise in water treatment, our complete water treatment plant and pure water equipment solutions deliver outstanding rejection performance for salts, boron, and TOC. This ensures the system's water production fully aligns with the semiconductor industry's ultra-pure water demands.
This remarkable success has enabled us to secure the electronic ultra-pure water treatment project with a renowned Japanese listed company.
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. Achieved wastewater concentration of up to 40 times the original concentration, producing water with ≥ 20% concentrated ammonium sulphate. This innovation slashes energy consumption for subsequent evaporation and crystallization processes, significantly cutting costs for users. The high-quality water produced meets the China Petroleum and Chemical Corporation's corporate standard Q/SH 0628.2-2014 for circulating water make-up, while achieving true zero wastewater discharge.
This successful outcome has led to additional orders from other group subsidiaries, further cementing our excellence.
This membrane technology is also applicable to numerous high-temperature, highly acidic wastewater scenarios containing ammonium sulphate, including in industries such as energy, refining, chemical, and metallurgy. Our recent advancements in ammonia desulphurisation technology, combined with carbon capture solutions, are poised to support new energy consumption trends and fortify the green industry chain in alignment with the national 'dual-carbon' policy.
Proshare TFN-SEP Customized NF Membrane Dramatically Increases Lithium Permeate Rate up to 96.6%,while ensuring a robust retention rate of Mg2+ > 99%,and a retention rate of Ca2+ > 98%, effectively addressing
Technical Bottlenecks of Membrane Separation (Nanofiltration/Reverse Osmosis) in the complex arena of Lithium Extraction from Salt Lakes, particularly challenged by membrane fouling challenges.low selectivity is less than 80%,high energy consumption represents 30% to 40% of the entire cost,short membrane lifespan lasts 2 to 3 years.
Proshare PSI MEMBRANE TFN-SEP Customized NF /RO Membrane
has showcased outstanding performance data in an lithium extraction project situated in Lakkor Tso Salt Lake , Tibet, China:
Utilizing only a 2-stage Nanofiltration method plus 1 stage RO yielding production water with Mg2+ at 2.9mg/L, Ca2+ at 2.25mg/L with a Mg2+ retention rate exceeding 99%, and a Ca2+ retention rate exceeding 98%, lithium permeate rate of 96.6%, achieving a flux nearing 20LMH under an operational pressure of 1MPa.This proven membrane technology is both environmentally and economically sustainable, enhancing product purity and quality.
Proshare Team's Breakthrough in Next-Generation Reverse Osmosis Membrane Technology
Proshare Our team has masterfully innovated a new era of reverse osmosis membranes through cutting-edge polymer interface nano-self-assembly technology, shattering the conventional barriers in traditional membrane development with two pivotal advancements:
Ultra-Thin Separation Layer: Leveraging advanced polymer interface nanotechnology, our team has achieved a remarkable reduction in the separation layer's thickness to at least three times thinner than the standard 100 nm polyamide films. This revolutionary stride significantly boosts water flux, leading to dramatically improved permeability.
Enhanced Performance: Through the infusion of nanoparticles and specialized hydrophilic polymers, we have achieved unprecedented advancements in our membrane's hydrophilicity, anti-fouling capability, durability, and oxidation resistance, setting new industry standards.
Compared to conventional polyamide reverse osmosis membranes, Proshare's groundbreaking innovation excels in four transformative aspects:
Self-Assembled Nanocomposite Films
By utilizing nano-scale precision control along with nano-doping modification, we craft ultra-thin, highly ordered separation layers through polymer interface nanotechnology. This method transcends the limitations of conventional polyamide membranes in maintaining thickness uniformity and material diversity.
Enhanced Water Flux and Energy Efficiency
Through meticulous optimization of the layer-by-layer self-assembly process, we precisely manage the functional layer thickness, achieving a remarkable 3x reduction compared to traditional setups. This innovation results in >3x higher water flux and a notable 30% reduction in energy consumption,heralding a new era of efficiency.
Novel Polymer Materials with Superior Chemical Stability
Venturing beyond polyamide, we employ pioneering hydrophilic polymers, such as modified polysulfones and ceramic-organic hybrids, which exhibit extraordinary oxidation resistance (withstanding up to 10 ppm chlorine exposure) and exceptional pH tolerance (maintaining stability across a 1-12 pH range).
Anti-Fouling Surface Engineering
Our superhydrophilic surface, characterized by a contact angle of less than 10°, combined with nanoparticle reinforcement, diminishes organic fouling propensity by 50%, thereby extending chemical cleaning cycles from 3 months to 6 months and slashing maintenance costs by 40%,
Proshare Innovation Suzhou Co., Ltd. proudly holds a range of prestigious certifications that underpin our commitment to excellence and sustainability. These include the Health and Safety Management System Certificate, showcasing our dedication to maintaining a safe and healthy environment for our team and community. Our Environmental Management System Certificate highlights our proactive approach to environmental stewardship, ensuring sustainable practices across our operations. Furthermore, our ISO9001 Quality System Certificate stands as a testament to our unwavering commitment to quality and customer satisfaction.
Our innovation prowess is demonstrated through our significant achievements in patenting. Proshare Innovation Suzhou Co., Ltd. holds an Invention Patent for the production of membranes, emphasizing our leadership in breakthrough membrane technologies. Additionally, we proudly own an Invention Patent for our Multi-layer RO Membrane, showcasing our expertise in advanced reverse osmosis solutions. We are committed to environmental responsibility, as evidenced by our RoHS Compliance Certificate. This certification assures that the Proshare Bw4040 Membrane Filter for Water Treatment with 99.5% Salt Rejection adheres to strict environmental and health standards, ensuring minimal impact on the environment.
Proshare Innovation Suzhou Co., Ltd. is a distinguished national high-tech enterprise, excelling in the cutting-edge R&D and commercialization of third-generation thin-film nanocomposite (TFN) membranes. These advanced membranes are pivotal for reverse osmosis (RO), nanofiltration (NF), and material separation applications. Established in 2017 by a visionary group of globally experienced doctoral experts, under the leadership of Dr. Lin Xiaofeng, a prestigious recipient of national talent honors, Proshare Innovation has uniquely positioned itself as China's exclusive domestic producer of TFN membranes.
Core Competencies
Technological Innovation: As trailblazers in the domain, we have successfully applied TFN technology to nanofiltration membranes, achieving fully autonomous R&D and domestic production capabilities, encompassing both the membranes themselves and the essential manufacturing machinery.
Intellectual Property: Proudly holding an impressive portfolio of over 31 patents, our membrane performance meets international benchmarks, effectively replacing previously dominant foreign products in the industry.
Production Capacity: Our operations span a state-of-the-art 2,000 m² R&D facility complemented by a 15,000 m² production base, ensuring robust and scalable production.
Funding: Our financial foundation is reinforced with successful Pre-A Round (2023) and A Round (January 2025) funding, secured through esteemed partners like the Suzhou Industrial Park Science Innovation Fund and Yong Sheng Capital.
Market Recognition: We are honored to be the chosen supplier for leading environmental engineering firms and major state-owned enterprises.
Leadership:Dr. Lin Xiaofeng, an esteemed Ph.D. alumnus of the University of Strasbourg (France), has been accoladed with prestigious provincial and national talent awards, including Suzhou Leading Talent and Jiangsu Dual Innovation Talent. Under his guidance, we are driving groundbreaking 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 sophisticated water treatment system solutions tailored to your needs.
A: Customization capabilities
Supported by elite national expert teams and Tsinghua University Suzhou Environmental Innovation, we provide personalized solutions that precisely cater to your unique requirements.
A: Delivering excellence and value.
Our premium solutions not only meet your highest expectations , but also offer substantial returns on investment. We ensure comprehensive training, unmatched support, and dedicated services, leveraging our local expertise for global impact.
A: Partnering with our valued customers
We draw inspiration from our partners, sharing their mission to provide the invaluable resource of clean water. Together, we forge a path toward a world optimized for water conservation.
(2) Q: Are you a manufacturer or Trade Company?
A: As a professional manufacturer with an independent International Trade Department, we possess the insight to fully grasp customer needs and present competitive pricing.
(3) Q: How's the after-sale service?
A: We deploy experienced engineers for overseas service, assured under the careful supervision and interpretation of our skilled merchandisers.
(4) Q: How about the quality?
A: Our main components and raw materials are sourced from top-tier companies, with key elements developed in-house by our expert team. A professional production line and rigorous quality control systems are in place to meet your stringent quality standards.
(5) Q: Product / Quality Guarantee and After Sale Service?
A: Enjoy a comprehensive 1-year warranty that adheres to International standards, ensuring peace of mind with your purchase. Our dedicated team is available 24/7 online to assist you. Should you have any inquiries or require support regarding our machine, do not hesitate to reach out to us at any time.
(6) Q: Certification?
A: At Tsingxi, we pride ourselves on our commitment to quality and excellence, as evidenced by our ISO9001, ISO14001, and ISO45001 certifications. Our products are meticulously crafted to align with the stringent technical standards of 3C and CE. Rest assured, every product is officially certified by the Industry Administration Authority. Tsingxi is dedicated to pioneering advancements in technology and aims to solidify its position as a leading high-tech company in the competitive global water treatment market.
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