PSI MEMBRANE®Pro-BW brackish water membrane ,Engineered with cutting-edge Thin Film Nanocomposite (TFN) technology, this membrane excels in treating reclaimed wastewater, challenging surface water, and complex well waters. processing and preparation Total Dissolved Solids in these waters (TDS) range from 2000 ppm to an impressive 8000 ppm.
Key features:
Achieve increased flux production:Ensures superior water quality with enhanced rejection rates and flow efficiency, surpassing traditional membrane technologies.
Resilient anti-fouling design:Provides advanced anti-fouling measures significantly reducing both microbial and inorganic deposits.
Outstanding resistance to chemical cleaning:Exceptional performance in resisting cleaning agents culminating in reliable long-term operation and enhanced durability.
Key applications:
Perfectly suited for industrial applications spanning Electronics, Power, Petrochemical, Refinery, and the Food and Beverage sectors.
Optimized 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. Our Proshare Bw4040 boasts impressive flow rates and salt rejection efficiency under the following meticulously controlled test conditions:
The feed water concentration is maintained at 2000 ppm, specifically using NaCl. Tests are conducted under a pressure of 225 psi (1.55 MPa), with the feed water temperature set precisely at 77 °F (25 °C). Each single membrane achieves a recovery rate of 15%, ensuring optimal performance.
2. Experience a variation range in product flow of +/-15%, providing flexibility and reliability in 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 accumulated a wealth of valuable experience by delivering exceptional technical solutions to the industrial sector. Our expertise ensures absolutely pure water for various industrial processes, including wastewater treatment, resource recycling, and reuse. This commitment to purity is pivotal for optimizing industrial operations.
We proudly serve a diverse array of primary industry sectors, including petrochemical, mining, lithium extraction from salt lakes, lithium iron phosphate, and lithium battery recycling. Our vast expertise extends to semiconductors, seawater desalinization, reclaimed and leachate treatment, synthetic biology, copper foil manufacturing, pharmaceuticals, and power generation.
Additionally, Proshare caters to a wide spectrum of sectors, such as steam boiler feeding, food and beverage production (including mineral water bottling, soft drinks, and juices), painting lines, dairies, ice creams, laundries, hospitals, textiles, mechanical industries, and steel companies, ensuring superior water solutions for these crucial operations.
Hospitality/Seawater and Brackish Water Desalination Applications
Proshare's extensive experience in desalination technology is leveraged to offer outstanding water solutions for civil use in hotels and touristic resorts. Freshwater supply is indispensable for these infrastructures, and our Reverse Osmosis (R.O.) sea or brackish water desalination solutions meet the increasing demands of rapidly growing touristic areas, ensuring their water needs are efficiently covered.
Farming applications
Ensuring water quality is essential to maintain the health and productivity of farm animals such as cattle, chickens, sheep, and pigs. It's not just the water quantity that influences growth but also its quality. By addressing this, we help achieve optimal productive performance.
Farm water can originate from various sources, including water wells, civil water networks, and sometimes from rivers and other superficial sources, offering flexibility in farming operations.
Apart from civil network water (which contains free chlorine), other sources are typically high in dissolved and suspended solids and pathogens. Our reverse osmosis technology is the most efficient solution to mitigate negative effects, treating contaminated farm water to remove harmful substances, ensuring safe and pure water for animals.
Municipal and Civil use
Proshare offers cutting-edge, scalable solutions for efficient wastewater and effluent treatment, catering to municipalities with strict health and environmental standards. Our patented technologies and collaborations with national experts and research institutions ensure peace of mind. We enhance our sanitation systems by integrating systematic feedback from engineers on the ground.
Our profound sewage treatment expertise is a cornerstone of our support in helping you achieve your sustainable development goals. As a key player in sustainable development, we provide an extensive range of solutions, including:
Advanced sanitation technologies.
Recovery of reusable materials from wastewater, furthering our commitment to sustainability and resource efficiency.
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 historically been dominated by a few international brands. As these magnificent vessels traverse diverse marine environments, the quality of feed water, including salinity and temperature, varies greatly. Therefore, the membranes must be versatile, adapting seamlessly to different conditions while ensuring consistent and reliable water production to cater to the discerning demands of ocean-going travelers.
The PSI MEMBRANE Pro-HR-SW seawater desalination membranes exhibited unparalleled excellence in desalination efficiency and unwavering water production stability. The pristine water quality achieved by these membranes effortlessly surpassed the rigorous standards demanded by luxury cruise liners.
This extraordinary achievement set a new benchmark, resulting in the adoption of these superior membranes on three additional cruise ships. Proshare's triumph in this arena proudly marks it as the first national brand to secure prestigious international luxury cruise ship orders for desalination RO membranes.
A Complete Water Treatment Plant for Generating Ultra-pure Water in Semiconductor Industry
As we are well aware, the requirements for electronic-grade ultra-pure water in membrane desalination are remarkably stringent, with only a select few brands capable of meeting these exacting standards.
Leveraging Proshare's groundbreaking TFN membrane technology, alongside the TsingXi team's extensive expertise in water treatment, this complete water treatment plant offers pure water equipment solutions that exhibit outstanding rejection of salt, boron, and TOC. The system's water production has consistently achieved the semiconductor industry's demanding pure water production requirements.
This resounding success enabled us to secure a high-profile electronic ultra-pure water treatment project with a prominent Japanese listed company.
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. This innovation achieved wastewater concentration up to 40-fold, with an ammonium sulphate concentration of ≥ 20%. This significantly reduces the energy consumption for subsequent evaporation and crystallization processes, resulting in substantial cost savings for users. The superior quality of the water produced consistently meets the China Petroleum and Chemical Corporation's corporate standard Q/SH 0628.2-2014 for circulating water make-up water, effectively realizing zero wastewater discharge.
This remarkable outcome has garnered further orders from other subsidiaries within the group.
This membrane is also adeptly suited for other high-temperature, highly acidic wastewater scenarios containing ammonium sulphate, applicable to industries such as energy, refining, chemical, and metallurgical. The latest advancements in ammonia desulphurisation technology, combined with carbon capture, significantly contribute to new energy consumption paradigms and the sustainable development of the green industry chain, aligning perfectly with the national 'dual-carbon' policy.
Proshare TFN-SEP Customized NF Membrane Dramatically Elevates Lithium Permeate Rate to an Impressive 96.6%,with a retention rate of Mg2+ exceeding 99%, anda retention rate of Ca2+ surpassing 98%
Technical Bottlenecks of Membrane Separation (Nanofiltration/Reverse Osmosis) in Lithium Extraction from Salt Lakes were challenged by membrane fouling,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 a remarkable 2-stage Nanofiltration process complemented by a 1-stage RO, delivering production water with impressively low Mg2+ 2.9mg/L and Ca2+ 2.25mg/L, achieving a remarkable retention rate of Mg2+ > 99% and Ca2+ > 98%, along with lithium permeate rate of 96.6%. The flux reaches nearly 20LMH under an operating pressure of 1MPa.This proven membrane technology is both environmentally sustainable and economically viable, significantly enhancing product purity and quality.
Proshare The Team's Revolutionary Breakthrough in Cutting-Edge Reverse Osmosis Membrane Technology
Proshare Our team has masterfully crafted a next-generation of reverse osmosis membranes employing cutting-edge polymer interface nano-self-assembly technology, effectively overcoming the traditional constraints of reverse osmosis membrane advancements by making two pivotal advancements:
Ultra-Thin Separation Layer: Leveraging the frontier of polymer interface nanotechnology, the team has dramatically reduced the separation layer's thickness to a stunning fraction-at least three times thinner than the conventional polyamide thin film, previously confined to 100 nm. This landmark achievement substantially boosts water flux, marking a significant stride in enhancing permeability.
Enhanced Performance: The strategic incorporation of nanoparticles and specialized hydrophilic polymers has ushered in revolutionary advancements in the membrane's hydrophilicity, anti-fouling capacity, durability, and resistance to oxidation, setting a new standard in membrane performance.
In stark contrast to conventional polyamide reverse osmosis membranes, Proshare's innovation heralds breakthroughs in four critical dimensions:
Self-Assembled Nanocomposite Films
The fusion of nano-scale precision control with nano-doping modification enables the crafting of ultra-thin, meticulously ordered separation layers through advanced polymer interface nanotechnology. This innovative approach transcends the conventional polyamide membranes' limitations in maintaining uniform thickness and expanding material diversity.
Enhanced Water Flux and Energy Efficiency
Through the fine-tuning of the layer-by-layer self-assembly process, the functional layer's thickness is meticulously regulated, achieving an impressive 3x reduction compared to traditional membranes. This translates to a >3x boost in water flux and a remarkable 30% reduction in energy consumption.
Innovative Polymer Materials with Remarkable Chemical Stability
Surpassing the conventional polyamide, our team employs advanced hydrophilic polymers, such as modified polysulfones and ceramic-organic hybrids, which boast unparalleled oxidation resistance (withstanding up to 10 ppm chlorine exposure) and exceptional pH tolerance (remaining stable across a pH range of 1-12).
Anti-Fouling Surface Engineering
The superfine hydrophilic surface (contact angle <10°) reinforced with nanoparticles dramatically diminishes organic fouling tendencies by 50%, doubling chemical cleaning cycles from 3 to an impressive 6 months, thus slashing maintenance expenses by a substantial 40%
Our commitment to excellence is showcased through our prestigious certifications: Health & Safety Management System Certificate, Environmental Management System Certificate, and the renowned ISO9001 Quality System Certificate. Each of these accolades underscores our dedication to quality, safety, and environmental stewardship.
We are proud holders of groundbreaking invention patents, including those for membrane production and the innovative multi-layer RO membrane. These patents highlight our commitment to pioneering technology and advancing the field of water filtration. Our products proudly meet the stringent standards of the RoHS Compliance Certificate, ensuring environmental responsibility and sustainability. This certification is a testament to our unwavering dedication to providing eco-friendly solutions.
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: We proudly offer a comprehensive 1-year warranty conforming to international standards, ensuring peace of mind and reliability for our valued customers. Our dedicated support team is available online 24/7 to address any inquiries or concerns you may have regarding our revolutionary machine.
(6) Q: Certification?
A: Tsingxi proudly adheres to the rigorous standards of ISO9001, ISO14001, and ISO45001 certifications. Our meticulously engineered products meet the esteemed technical benchmarks of the 3C and CE standards. Each product is officially certified by the Industry Administration Authority, reflecting our unwavering commitment to quality and excellence. Tsingxi is dedicated to continuously advancing as a formidable high-tech leader in the global water treatment industry, setting new standards and achieving unparalleled success.
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