PSI MEMBRANE®Pro-BW brackish water membrane ,Ingeniously crafted with cutting-edge Thin Film Nanocomposite (TFN) technology, these membranes are adept for challenging environments like reclaimed wastewater, surface water, and complex well waters treatment and feed Waters with total dissolved solids (TDS) ranging from 2000 ppm to a substantial 8000 ppm.
Key features:
Superior flux production:Consistently delivers exceptional water quality with higher rejection rates and flow capacity, outperforming conventional membrane technologies.
Robust anti-fouling resistance:Offers enhanced protection against fouling, effectively minimizing the accumulation of microorganisms and inorganic materials.
Outstanding chemical cleaning resilience:Remarkable resistance to chemical cleaning ensures long-term stability, reliability, and endurance.
Key applications:
Perfectly suited for industrial applications across sectors such as Electronics, Power, Petrochemical, Refinery, and 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 salt rejection rate are meticulously measured under specific test conditions to ensure unparalleled performance:
The feed water concentration is calibrated at 2000 ppm as NaCl, with a feed water pressure set at 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 individual high-performance membrane.
2. Experience a flexible variation range of product flow, boasting a precision tolerance of +/-15%, ensuring consistent outcomes across diverse operational scenarios.
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 garnered significant expertise by delivering top-tier technical solutions to the industrial sector, where the utmost purity of water is indispensable for a multitude of industrial processes. We excel in wastewater treatment, reuse, and resource recycling, setting new benchmarks for industry standards.
We proudly serve a diverse range of major industry sectors, including petrochemical, mining, lithium extraction from salt lakes, lithium iron phosphate & lithium battery recycling, semiconductor, seawater desalination, reclaimed water, leachate treatment, synthetic biology, copper foil production, pharmaceuticals, and power generation.
Our solutions extend to vital applications such as steam boiler feeding, food and beverage production-like mineral water bottling, soft drinks, and juices-painting lines, dairy operations, ice cream production, laundries, hospitals, textiles, mechanical industries, steel companies, and more.
Hospitality/Seawater and Brackish Water Desalination Applications
Proshare's extensive expertise in desalination technology is also applied to create fresh water solutions for civil use in hotels and tourist resorts. As fresh water is crucial for such infrastructures, our R.O. seawater or brackish water desalination offers an ideal alternative, meeting the growing water needs of rapidly expanding touristic areas.
Farming applications
Water is crucial for ensuring the health and optimal productivity of farm animals, whether cattle, chickens, sheep, or pigs. Not only the quantity but also the quality of water plays a pivotal role in supporting the desired growth and performance of these animals.
Farm water can originate from various sources, including water wells, civil water networks, and to a lesser extent, rivers and other surface sources. Each source brings its own challenges and requires specialized treatment to ensure suitability for farm use.
Excluding water from civil networks that contain free chlorine, other sources usually harbor high levels of dissolved and suspended solids and pathogens. Reverse osmosis technology has proven to be the most effective in mitigating these adverse effects, ensuring that farm water undergoes precise treatment to eliminate harmful substances for animal well-being.
Municipal and Civil use
At Proshare, we offer cutting-edge and adaptable solutions for efficient and sustainable wastewater and effluent treatment. Our extensive portfolio of patented technologies, backed by national-level experts and scientific research institutions, provides municipalities with the assurance of compliance with stringent health and environmental standards. We are committed to continuous improvement, driven by systematic feedback from our field engineers.
Our expertise in sewage treatment is a cornerstone of the support we offer, empowering you to achieve your sustainable development objectives. As a leader in sustainable development, we present a comprehensive array of solutions, including:
Advanced sanitation technologies.
Innovative 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 traditionally been dominated by leading international brands. As cruise ships navigate varying waters, the salinity and temperature of feed water change, necessitating membranes that can adapt to different conditions while ensuring consistent and high-quality water production to meet the demands of maritime travel.
Our PSI MEMBRANE Pro-HR-SW seawater desalination membranes have set new benchmarks with their exceptional desalination rate and consistent water output. The superior quality of water produced by these membranes comfortably meets the stringent standards required by luxury cruise liners.
This outstanding achievement led to the adoption of our desalination membranes on an additional three luxury cruise ships, solidifying Proshare's position as the pioneering national brand to secure international luxury cruise ship orders for desalination RO membranes.
A Comprehensive Water Treatment Plant for Producing Ultra-pure Water in the Semiconductor Industry
In the semiconductor industry, the requirements for electronic-grade ultra-pure water are exceptionally stringent, and only a select few brands can fulfill these demands.
Leveraging Proshare's groundbreaking TFN membrane technology and the TsingXi team's extensive experience in water treatment, our comprehensive pure water solutions deliver outstanding performance in salt, boron, and TOC rejection. The system's water production meets the rigorous standards of the semiconductor industry.
This success secured us a prestigious project with a Japanese-listed company, focusing on electronic ultra-pure water treatment.
Proshare Tailor-made TFN special acid-resistant and high-pressure membranes for Wastewater Treatment in Petrochemical/Refining to Truly Achieve Zero Liquid Discharge
Proshare Tailor-made TFN special acid-resistant and high-pressure membranes are designed for wastewater treatment involving ammonium sulphate desulphurisation. These membranes achieve a concentration up to 40 times that of the original ammonium sulphate, reaching ≥ 20% concentration in the concentrated water. This significantly reduces the energy needed for subsequent evaporation and crystallisation, offering substantial cost savings while producing water that meets the China Petroleum and Chemical Corporation's Q/SH 0628.2-2014 standard for circulating water make-up. Zero wastewater discharge is no longer a goal but a reality.
This outstanding result has led to additional orders from various group subsidiaries.
These membranes are also ideal for other high-temperature, highly acidic wastewater scenarios containing ammonium sulphate, common in industries like energy, refining, chemical, and metallurgy. They complement the latest ammonia desulphurisation technology combined with carbon capture, supporting new energy consumption and the green industry chain development, aligning with the national 'dual-carbon policy.'
Proshare TFN-SEP Customized NF Membrane Dramatically Enhances Lithium Permeate Rate up to 96.6%,with a magnesium retention rate of over 99% anda calcium retention rate exceeding 98%.
Technical Bottlenecks of Membrane Separation (Nanofiltration/Reverse Osmosis) in Lithium Extraction from Salt Lakes are challenged by membranefouling, acommon issue,low 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 Pioneering Team's Breakthrough in Advanced Reverse Osmosis Membrane Technology
Proshare Our dedicated team has revolutionized the field by ingeniously crafting a next-generation reverse osmosis membrane through cutting-edge polymer interface nano-self-assembly technology. This innovation transcends the limitations of conventional reverse osmosis membrane development by achieving two groundbreaking advancements:
Ultra-Thin Separation Layer Redefinition: Leveraging state-of-the-art polymer interface nanotechnology, our team has masterfully minimized the separation layer thickness to a mere fraction, specifically three times thinner than the traditional polyamide thin film, which was previously constrained to 100 nm. This extraordinary breakthrough dramatically amplifies water flux, resulting in a remarkable enhancement in permeability.
Enhanced Performance & Durability: By incorporating innovative nanoparticles and custom-designed hydrophilic polymers, we have achieved pioneering breakthroughs in the membrane's exceptional hydrophilicity, unparalleled anti-fouling capability, robust durability, and outstanding oxidation resistance.
Compared to traditional polyamide reverse osmosis membranes, Proshare's groundbreaking innovation showcases significant advancements in four critical dimensions:
Self-Assembled Nanocomposite Films for Superior Functionality
By harnessing nano-scale precision control and cutting-edge nano-doping modification, we have brilliantly crafted ultra-thin, highly ordered separation layers using polymer interface nanotechnology. This sophisticated approach surpasses the limitations of conventional polyamide membranes in terms of thickness uniformity and material diversity.
Enhanced Water Flux & Optimized Energy Efficiency
Through meticulous optimization of the layer-by-layer self-assembly process, the functional layer's thickness is precisely managed, achieving an impressive 3x reduction compared to traditional membranes. This innovation leads to >3x higher water flux while simultaneously ensuring a remarkable 30% reduction in energy consumption.
Revolutionary Polymer Materials Offering Unmatched Chemical Stability
Breaking free from the confines of polyamide, our team employs advanced hydrophilic polymers, such as crafted modified polysulfones and sophisticated ceramic-organic hybrids. These pioneering materials showcase exceptional oxidation resistance capabilities (withstanding exposure to 10 ppm chlorine) and remarkable pH tolerance (maintaining stability within the 1-12 pH range).
Innovative Anti-Fouling Surface Engineering
Our superhydrophilic surface, featuring a contact angle of less than 10°, combined with robust nanoparticle reinforcement, effectively reduces organic fouling propensity by an impressive 50%. This advancement extends chemical cleaning cycles from 3 to 6 months, thereby reducing maintenance costs by 40%
Our commitment to excellence is evidenced by our prestigious certifications: Health & Safety Management System Certificate, Environmental Management System Certificate, and ISO 9001 Quality System Certificate. These accolades underline our dedication to maintaining superior quality and safety standards in all our operations.
Pioneering innovation in membrane technology, we proudly hold the Invention Patent for Membrane Production as well as the Invention Patent for Multi-layer RO Membrane. These patents signify our unwavering commitment to advancing the field of reverse osmosis and delivering cutting-edge solutions. Our RoHS Compliance Certificate is a testament to our adherence to environmental standards and our proactive approach to reducing hazardous substances, demonstrating our dedication to eco-friendly practices and sustainable development.
Proshare Innovation Suzhou Co., Ltd. Proshare Innovation Suzhou Co., Ltd. is a beacon of excellence in the realm of high-tech enterprises, focusing on groundbreaking research & development and the commercialization of third-generation thin-film nanocomposite (TFN) membranes. These are pivotal for advanced reverse osmosis (RO), nanofiltration (NF), and material separation applications. Established in 2017 by an elite team of overseas-returned PhD experts, led by the visionary Dr. Lin Xiaofeng-an esteemed recipient of national-level talent accolades-the company stands unparalleled as China's exclusive domestic manufacturer of TFN membranes, catapulting the nation into new frontiers of innovation.
Core Competencies
Technological Innovation: As pioneers in applying TFN technology to nanofiltration membranes, we have achieved complete independence in R&D and have localized the production of both membranes and their manufacturing equipment. This forward-thinking approach ensures unrivaled quality and efficiency.
Intellectual Property: With an impressive portfolio of over 31 patents, our membrane performance not only meets but surpasses international standards, effectively replacing foreign-monopolized products with superior domestic solutions.
Production Capacity: We proudly operate a state-of-the-art 2,000 square meter R&D center and a sprawling 15,000 square meter production base, enabling us to meet diverse market demands with speed and precision.
Funding: Successfully completing both Pre-A Round (2023) and A Round (January 2025) financing, our financial backing includes significant investments from the Suzhou Industrial Park Science Innovation Fund and Yong Sheng Capital, empowering us to innovate further.
Market Recognition : Our robust reputation is cemented by our designation as a preferred supplier for leading environmental engineering firms and state-owned enterprises, underscoring our commitment to excellence.
Leadership Dr. Lin Xiaofeng, esteemed with a Ph.D. from the University of Strasbourg in France, has been showered with provincial and national talent accolades, such as Suzhou Leading Talent and Jiangsu Dual Innovation Talent. His leadership is instrumental in steering the company's R&D efforts towards monumental breakthroughs in TFN membrane industrialization.
WHY US?
FAQ:
(1) Q: Why Choose Our Company?
A: Unparalleled Water Treatment Solutions
We offer revolutionary Thin Film Nanocomposite (TFN) membrane sheets, membrane elements, and comprehensive water treatment system solutions that redefine industry standards.
A: Tailored Customization Capabilities
Supported by national expert teams and Tsinghua University Suzhou Environmental Innovation, our solutions are tailor-made to meet your exacting specifications.
A: Assured Quality and Value
Our premium solutions are meticulously crafted to not only fulfill quality expectations but also deliver exceptional return on investment (ROI). Moreover, we provide extensive training, support, and services, leveraging our local expertise to make a global impact.
A: Partnering for Success
Inspired by our clients' dedication to providing the invaluable gift of clean water, we thrive together in realizing a world optimized for water efficiency and sustainability.
(2) Q: Are you a Manufacturer or Trade Company?
A: We are a professional manufacturer equipped with an International Trade Department, ensuring a deep understanding of customer needs and offering competitive pricing.
(3) Q: How's the After-Sale Service?
A: Our comprehensive after-sale service includes engineers available for overseas deployment, supervised and translated by our merchandisers, guaranteeing seamless support.
(4) Q: How About the Quality?
A: With key components and raw materials sourced from leading companies, and significant parts developed by our expert staff, our professional assembly line and stringent quality control system ensure we meet the highest quality standards.
(5) Q: Product/Quality Guarantee and After-Sale Service?
A: Our product comes with a robust 1-year warranty adhering to International standards, ensuring peace of mind. We offer 24-hour online support, so should you have any queries about our machine, our dedicated team is readily available to assist you.
(6) Q: Certification?
A: Tsingxi is proud to be certified with ISO9001, ISO14001, and ISO45001, reflecting our commitment to quality and environmental responsibility. Our products are meticulously crafted to comply with the renowned 3C and CE technical standards. Moreover, every product is certified by the authoritative Industry Administration Authority, guaranteeing excellence and reliability. Tsingxi is determined to continuously grow as a formidable high-tech leader in the global water treatment market, consistently setting benchmarks of innovation and quality.
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