PSI MEMBRANE®Pro-BW brackish water membrane ,Seamlessly integrated with groundbreaking Thin Film Nanocomposite (TFN) technology, these membranes are perfectly engineered for the treatment of reclaimed wastewater, surface water, and challenging well waters. treatment and feed Waters with total dissolved solids (TDS) ranging from 2000 ppm to 8000 ppm.
Key features:
Superior flux production:Ensures consistent water quality with superior rejection and flow rates, surpassing those of conventional membrane technologies.
Anti-fouling resilience:Innovatively enhanced anti-fouling protection significantly reduces the presence of microorganisms and inorganic fouling.
Outstanding chemical cleaning resistance:Exceptional resistance to chemical cleaning processes ensures long-term operational stability and durability.
Key applications:
Perfectly suited for industrial applications including Electronics, Power, Petrochemical, Refinery, Food and Beverage sectors.
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 the following optimal test conditions:
Feed water concentration is set at 2000 ppm of NaCl to ensure purity, with a precise feed water pressure of 225 psi (1.55 MPa). The feed water temperature is maintained at a consistent 77 °F (25 °C) to optimize membrane performance, achieving a recovery rate of 15% for each individual membrane.
2. Experience a Variation range of product flow within +/-15%, offering reliable and predictable 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 amassed an invaluable wealth of experience by delivering cutting-edge technical solutions to the industrial sector, ensuring the provision of absolutely pure water essential for diverse industrial processes, including wastewater treatment and reuse, as well as resource recycling.
Our expertise spans a broad array of vital industry sectors, from petrochemical and mining to lithium extraction from salt lakes. We're leaders in lithium iron phosphate and lithium battery recycling, semiconductor processes, and sea water desalination. Additionally, we specialize in reclaimed water, leachate processing, synthetic biology, copper foil production, pharmaceuticals, and power generation.
Our solutions extend to crucial industrial applications such as feeding steam boilers, and enriching food and beverage production including mineral water bottling, soft drinks, and juices. We also cater to sophisticated painting lines, dairies, ice cream production, laundries, hospitals, textiles, mechanical industries, and steel companies, ensuring efficiency and sustainability.
Hospitality/Seawater and Brackish Water Desalination Applications
With extensive expertise in desalination technology, Proshare has effectively applied its prowess to water desalination projects for civil use in hotels and tourist resorts. These infrastructures demand a reliable fresh water supply, and our R.O. seawater or brackish water desalination solutions meet the escalating water needs of rapidly growing touristic areas.
Farming applications
In farming, water is a cornerstone for maintaining the health and productivity of livestock such as cattle, chickens, sheep, and pigs. Beyond quantity, the quality of water plays a crucial role in ensuring the optimal growth and performance of these animals.
Farm water sources are diverse, ranging from water wells and civil water networks to rivers and other surface sources. Each source has unique characteristics that affect water quality and hence require specialized treatment strategies.
Apart from civil networks, which often contain free chlorine, other water sources are typically high in dissolved and suspended solids and pathogens. Reverse osmosis technology has proven to be the most efficient method to mitigate these potential threats. Through advanced treatment, we ensure that water on farms is free from harmful substances, safeguarding animal health.
Municipal and Civil use
We deliver pioneering and scalable solutions designed for the efficient, sustainable treatment of wastewater and effluents, tailored to meet the stringent health and environmental standards required by municipalities. Our patented technologies, supported by national-level experts and scientific research institutions, provide unparalleled assurance, while continuous feedback from field engineers helps us refine and enhance our sanitation systems.
Our mastery in sewage treatment forms the bedrock of our efforts to assist you in achieving your sustainable development objectives. As a prominent advocate for sustainable progress, we offer an expansive suite of solutions, including:
State-of-the-art sanitation technologies.
Innovative strategies for recovering reusable materials from wastewater.
Successful Cases Reference
Proshare PSI MEMBRANE Desalination RO Membrane Serves Desalination in Cruise Ship
The deployment of desalination membranes on international luxury cruise liners has long been the domain of a few elite global brands. The salinity and thermal variance in feed water, as these majestic vessels traverse different seas, requires membranes that are adaptable. Our membranes deliver consistent and reliable water production to meet the demanding standards of ocean liners.
PSI MEMBRANE Pro-HR-SW seawater desalination membranes have showcased unmatched prowess in both desalination efficiency and consistent water output. Our membrane technology ensures the pristine water standards required by luxury liners are not just met but exceeded.
This outstanding achievement led to a paradigm shift as three more luxury cruise liners opted for our superior desalination solutions. Proshare proudly stands as the pioneering national brand, securing coveted orders for desalination RO membranes from prestigious international cruise lines.
A Complete Water Treatment Plant for Generating Ultra-pure Water in the Semiconductor Industry
In the realm of electronic-grade ultra-pure water, the benchmarks for desalination membranes are extraordinarily high, with only a select few able to rise to the challenge.
Leveraging Proshare's groundbreaking TFN membrane technology and the extensive expertise of the TsingXi team in water treatment, our comprehensive water treatment plant has delivered exemplary rejection of salt, boron, and TOC impurities. This ensures our systems produce water of the caliber required by the semiconductor industry.
This success story was instrumental in securing a landmark project for electronic ultra-pure water treatment with a renowned Japanese-listed company.
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 separation and concentration device for wastewater treatment with ammonium sulphate desulphurisation. This system achieves a concentration of up to 40 times with ammonium sulphate levels reaching ≥ 20%, dramatically lowering energy costs in the evaporation and crystallization phases while producing water that meets the Q/SH 0628.2-2014 standard. Our solution leads the industry with genuine zero wastewater discharge.
This remarkable outcome has drawn further orders from other subsidiaries within the group.
This membrane technology can be applied to other high-temperature, acidic wastewater scenarios with ammonium sulphate, such as in energy, refining, chemical, and metallurgical industries. It synergizes with advanced ammonia desulphurisation and carbon capture, supporting the green industry chain and aligning with national dual-carbon goals.
Proshare TFN-SEP Customized NF Membrane Dramatically Elevates Lithium Permeate Rate to an Astonishing 96.6%,retention rate of Mg2+ exceeds 99%, whileretention rate of Ca2+ exceeds 98%
Technical Bottlenecks of Membrane Separation (Nanofiltration/Reverse Osmosis) in Lithium Extraction from Salt Lakes faced with membranefouling, presenting challenges,yet Proshare's innovation continues to pave the way forward.low selectivity of less than 80%, indicating versatility in applications,high energy consumption contributes to 30%-40% of the overall operational cost, consumption represents 30%-40% of the total expenses,short membrane lifespan of 2-3 years, ensuring longevity and reliability for continuous use.
Proshare PSI MEMBRANE TFN-SEP Customized NF / RO Membrane
has demonstrated superior performance data in an lithium extraction application project located amidst the stunning Lakkor Tso Salt Lake , Tibet, China.:
With an efficiently designed 2-stage Nanofiltration process complemented by a single-stage RO, achieving production water with Mg2+ 2.9mg/L, Ca2+ 2.25mg/L, boasting a retention rate of Mg2+ > 99%, and Ca2+ > 98%, with lithium permeate rate at an impressive 96.6%, and the flux nearly reaching 20LMH under a pressure of 1MPa.This proven membrane technology not only safeguards the environment but also enhances economic viability by improving product purity and overall quality.
Proshare Team's Groundbreaking Achievements in Cutting-Edge Reverse Osmosis Membrane Technology
Proshare team has pioneered a revolutionary new generation of reverse osmosis membranes utilizing advanced polymer interface nano-self-assembly technology, surpassing traditional reverse osmosis membrane barriers with two transformative breakthroughs:
Ultra-Thin Separation Layer: Through cutting-edge polymer interface nanotechnology, Proshare has masterfully crafted a separation layer that is at least three times thinner than the conventional polyamide thin films (previously constrained to 100 nm). This remarkable development substantially boosts water flux, offering a dramatic enhancement in permeability.
Enhanced Membrane Performance: The infusion of nanoparticles alongside innovative hydrophilic polymers has resulted in unprecedented advances in the membrane's hydrophilicity, anti-fouling prowess, durability, and robustness against oxidation.
In comparison to traditional polyamide reverse osmosis membranes, Proshare's visionary innovation showcases breakthroughs across four pivotal dimensions:
Self-Assembled Nanocomposite Films
The fusion of nano-scale precision control with nano-doping innovation facilitates the crafting of ultra-thin, meticulously ordered separation layers through polymer interface nanotechnology. This technique transcends the constraints of traditional polyamide membranes concerning thickness consistency and material variety.
Enhanced Water Flux and Energy Efficiency
Harnessing an optimized layer-by-layer self-assembly technique, we precisely regulate the functional layer thickness, achieving a remarkable 3x reduction compared to conventional membranes. This breakthrough leads to over 3x greater water flux and a 30% reduction in energy consumption.
Novel Polymer Materials with Unmatched Chemical Stability
Beyond traditional polyamide, the team employs cutting-edge hydrophilic polymers (such as modified polysulfones) and ceramic-organic hybrids, showcasing exceptional resistance to oxidation (withstanding exposure to 10 ppm chlorine) and tolerance to pH variations (remaining stable within a pH range of 1-12).
Advanced Anti-Fouling Surface Engineering
The superhydrophilic surface (contact angle <10°), when combined with nanoparticle reinforcement, cuts the propensity for organic fouling by 50%, extending chemical cleaning cycles from 3 to 6 months, thereby reducing maintenance expenses by 40%.
Our array of esteemed certifications include: Health & Safety Management System Certificate, Environmental Management System Certificate, and the renowned ISO 9001 Quality System Certificate. Each of these attest to our unwavering commitment to quality, safety, and environmental responsibility.
We proudly hold significant invention patents that showcase our cutting-edge innovation: the Invention Patent for Membrane Production and the Invention Patent for Multi-Layer RO Membrane. These patents highlight our leadership in advancing membrane technology. RoHS Compliance Certificate
Proshare Innovation Suzhou Co., Ltd. Proshare Innovation Suzhou Co., Ltd. is a distinguished leader in the high-tech industry, dedicated to the pioneering development and commercialization of cutting-edge third-generation thin-film nanocomposite (TFN) membranes. These membranes are crafted for applications such as reverse osmosis (RO), nanofiltration (NF), and material separation, setting a benchmark in the industry. Established in 2017 by a visionary team of overseas-returned doctoral experts under the esteemed leadership of Dr. Lin Xiaofeng-who is acclaimed as a national-level talent program awardee-Proshare has risen to prominence as China's exclusive domestic producer of TFN membranes, revolutionizing the field.
Core Competencies
Technological Innovation: We have spearheaded the revolutionary integration of TFN technology into nanofiltration membranes, accomplishing full independence in R&D as well as localized manufacturing of both the membranes and the equipment used in their production.
Intellectual Property: Proudly holding an impressive portfolio of over 31 patents, our membrane performance stands at the forefront of international standards, effectively supplanting formerly monopolized foreign products.
Production Capacity: We operate a state-of-the-art facility, with 2,000 m² dedicated to R&D and a sprawling 15,000 m² production base that underscores our capability.
Funding: Successfully completed both Pre-A Round (2023) and A Round (January 2025) financing, with substantial backing from the prestigious Suzhou Industrial Park Science Innovation Fund and Yong Sheng Capital, solidifying our financial foundation.
Market Recognition: Honored as a preferred supplier, we cater to listed environmental engineering firms and state-owned enterprises, reflecting our esteemed market status.
Leadership:Under the guidance of Dr. Lin Xiaofeng, a Ph.D. alumnus of the University of Strasbourg (France) and lauded with provincial and national talent accolades-such as Suzhou Leading Talent and Jiangsu Dual Innovation Talent-our leadership drives groundbreaking R&D advances in the industrialization of TFN membranes.
WHY US?
FAQ:
(1) Q: Why Choose Our Company?
A: We offer comprehensive water treatment solutions
providing our customers with revolutionary Thin Film Nanocomposite (TFN) membrane sheets, membrane elements, and complete water treatment systems tailored to their needs.
A: Our customization capabilities are
backed by national expert teams and the prestigious Tsinghua University Suzhou Environmental Innovation, enabling bespoke solutions.
A: We ensure quality and offer value.
Our premium solutions not only meet high standards but also offer substantial returns on investment for our customers. We provide comprehensive training, support, and services, leveraging our local expertise to serve global markets effectively.
A: Our collaboration with customers
is driven by inspiration drawn from their everyday commitment to providing the invaluable hope of clean water. Together, we thrive towards a water-optimized world.
(2)Q: Are you a manufacturer or Trade Company?
A: We are a professional manufacturer with our own International Trade Department, allowing us to deeply understand customer needs and offer competitive pricing.
(3) Q: How's the after-sale service?
A: We provide expert engineers available for overseas service, supported by merchandisers for seamless communication and translation.
(4) Q: How about the quality?
A: Our main sub-assemblies and raw materials are sourced from leading companies, while critical components are innovatively developed by our in-house team. Our professional assembly line and rigorous quality testing systems ensure your high-quality standards are met.
(5) Q: Product /Quality Guarantee and After Sale Service?
A: Enjoy peace of mind with our 1-year warranty adhering to International Standards. Our dedicated support team is available online 24/7 to assist you. Should any inquiries arise regarding our machine, feel free to reach out to us anytime.
(6) Q: Certification?
A: Tsingxi proudly upholds the prestigious certifications of ISO9001, ISO14001, and ISO45001. Our products are meticulously crafted to adhere to 3C and CE technical standards, ensuring quality and reliability. Each product is officially certified by the Industry Administration Authority, reflecting our commitment to excellence. Tsingxi is dedicated to advancing as a formidable high-tech company, continually innovating within the global water treatment market.
Audited Supplier 
){kind=link}