PSI MEMBRANE® Pro-Acid NF92 Series: Elite High-Pressure Acid-Resistant MembraneIntegrating pioneering Thin Film Nanocomposite (TFN) technology, this membrane is masterfully engineered to treat and recycle even the most challenging wastewater. It boasts an impressive combination of high productivity, durability, and fouling resistance, offering industrial users a dependable and exceptionally efficient solution. Perfectly suited to achieve water recovery in Minimal Liquid Discharge (MLD) systems, it effectively rejects TDS levels exceeding 170,000 mg/L, providing customers with the most cost-effective operational benefits.
Key Features:
Working pH Range 0-12:Engineered for resilience, this acid-resistant and high-pressure membrane operates stably within a pH range of 0-12, ensuring long-term stability and impressive cleaning performance.
Excellent Anti-fouling Capabilities:Built with a robust, fouling-resistant TFN membrane, it delivers reliable, long-term performance, ensuring minimal maintenance and maximized uptime.
Unmatched Cost Efficiency:Achieve superior system efficiency by rejecting total dissolved solids (TDS) levels up to 170,000 mg/L and significantly reducing concentrate stream volume, all within standard system operations.
Professional Technical Service:Our team of national-level experts is dedicated to providing clients with first-class technical support, ensuring seamless integration and operation.
Key Applications:
Expertly crafted for industrial acidic wastewater treatment plants, delivering unparalleled performance. Perfect for Industrial Minimum- and Zero-Liquid Discharge (MLD/ZLD) systems, setting benchmarks in efficiency.
Ideal for industrial resource recovery and recycling, including metals, new energy lithium extraction from lakes, and applications in the chemical and petrochemical sectors.
Softening
| Product |
Effective Membrane area
ft² (m²) |
Feed spacer thickness
(mil) |
Product Flow Rate
gpd( m³/d) |
Stable Salt Rejection
(%) |
| Pro-Acid-NF98-8040 |
400(37.2) |
34 |
12000(45.4) |
98 |
| Pro-Acid-NF96-8040 |
400(37.2) |
34 |
18000(68.1) |
96 |
| Pro-Acid-NF92-8040 |
400(37.2) |
34 |
22000(83.2) |
92 |
| Pro-Acid-NF80-8040 |
400(37.2) |
34 |
24000(90.8) |
80 |
| Pro-Acid-NF35-8040 |
400(37.2) |
34 |
36000(139.5) |
35 |
1. Our water yield and desalination rates have been meticulously calculated based on precise standard test conditions: 2000 ppm MgSO4 at an impressive 580 psi (4.0 MPa) under optimal temperature conditions of 77 °F (25 °C) with a recovery rate of 15% for each single membrane.
2. Please note, the variation range of water yield can fluctuate by +/-15%, ensuring adaptability and efficiency in a variety of settings.
Operating Condition:
| Operating Limits |
Unit |
Value |
| Maximum operating pressure |
psi (bar) |
1200(83) |
| Maximum feed water temperature |
°F (°C) |
122(50) |
| Maximum pressure drop |
bar |
1 |
| Continuous operation pH range |
|
0-12 |
| Cleaning PH range |
|
0-13 |
| Maximum feed water SDI15 |
|
5 |
| Maximum influent turbidity |
ntu |
1 |
| Maximum residual chlorine concentration of influent |
ppm |
<0.1 |
SIZE: mm
| Model |
A |
B |
C |
| 4040 |
1016 |
100.3 |
19.1 |
| 8040 |
1016 |
200 |
28.6 |
Industry Applications
Proshare Proshare has garnered rich expertise by offering cutting-edge technical solutions tailored for the industrial realm, where pristine water is a prerequisite for a myriad of processes such as wastewater treatment and reuse, alongside resource recycling.
Our expertise spans an extensive array of industries including petrochemicals, mining, lithium extraction from salt lakes, lithium iron phosphate & lithium battery recycling, semiconductors, seawater desalination, reclaimed water processing, leachate management, synthetic biology, copper foil production, pharmaceuticals, and power generation.
Moreover, our solutions extend to steam boiler feed, food & beverage sectors (mineral water bottling, soft drinks, juices), painting lines, dairies, ice cream production, laundries, hospitals, textiles, mechanical industries, steel companies, and beyond.
Municipal and Civil Use
We offer pioneering and scalable solutions for the efficient and sustainable treatment of wastewater and effluents, ensuring compliance with stringent health and environmental regulations. Our comprehensive portfolio of patented technologies combined with insights from national-level experts and scientific research institutions provides unmatched peace of mind for municipalities. We are committed to advancing our sanitation systems by leveraging systematic feedback from our field engineers.
Our adeptness in sewage treatment is a cornerstone of the support we offer to help you achieve your sustainable development goals. As a leader in sustainable practices, we present a diverse range of solutions such as:
Advanced sanitation technologies.
Recovery technologies for reusable materials from wastewater.
Hospitality/Seawater and Brackish Water Desalination Applications
Proshare's extensive experience in desalination is also harnessed for the water needs of hotels and touristic resorts. The provision of fresh water is vital for these infrastructures, and our R.O. seawater or brackish water desalination solutions offer a reliable alternative to meet the high demands of rapidly growing tourist areas.
Farming Applications
Water is crucial for ensuring the health and optimal productivity of farm animals such as cattle, chickens, sheep, and pigs. The quality of water, not just its quantity, is vital for promoting desired growth in animals.
Farms source water from diverse origins-ranging from wells and civil water networks to rivers and other surface sources.
While water from civil networks often contains free chlorine, other sources typically possess high levels of dissolved solids, suspended particles, and pathogens. Reverse osmosis technology emerges as the most effective solution to minimize these detriments, necessitating technological treatments to cleanse farm water of harmful substances for animal welfare.
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 concentration of ammonium sulphate concentration of ≥ 20% of the concentrated water, significantly reducing the subsequent evaporation and crystallisation of energy consumption, substantial cost savings for the user, the quality of the water produced by the stable to meet the China Petroleum and Chemical Corporation corporate standard Q/SH 0628.2-2014 circulating water make-up water , and zero wastewater discharge has been truly achieved.
This positive result has gained subsequent orders from other subsidiaries of the group.
This membrane are also applicable to other high-temperature, highly acidic wastewater containing ammonium sulphate scenarios, such as energy, refining, chemical, metallurgical and other industries.the latest development of ammonia desulphurisation technology combined with carbon capture,help the new energy consumption and the development of the green industry chain, in line with the national 'dual-carbon policy.
Proshare TFN-SEP Customized NF Membrane Dramatically Increases Lithium Permeate Rate up to 96.6%,retention rate of Mg2+ > 99%,retention rate Ca2+ > 98%
Technical Bottlenecks of Membrane Separation (Nanofiltration/Reverse Osmosis) in Lithium Extraction from Salt Lakes 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 2 stage Nanofiltration Utilize a +1 stage reverse osmosis process for optimal purification, ensuring enhanced efficiency and effectiveness.The produced water boasts a composition of Mg2+ at 2.9mg/L and Ca2+ at 2.25mg/L, with an exceptional retention rate of over 99% for Mg2+ and more than 98% for Ca2+. Lithium retention is also impressive. Achieve superior permeate quality. Experience a remarkable permeate rate of 96.6% with flux approaching 20 LMH, even under an operating pressure of 1 MPa.Proven membrane technology that is both environmentally sustainable and economically viable elevates product purity and quality to new heights.
Proshare PSI MEMBRANE is at the forefront of innovation. State-of-the-art Desalination RO Membrane technology. Expertly crafted to serve the needs of Desalination in the demanding environment of Cruise Ships.
Historically, the use of desalination membranes on international luxury cruise ships has been dominated by a select few international brands. The journey of a cruise ship introduces varying feed water quality in terms of salinity and temperature. Therefore, the membranes must adeptly adapt to these fluctuating conditions, while ensuring consistent water production to fulfill the demands of ocean-going vessels.
PSI MEMBRANE Pro-HR-SW seawater desalination membranes exhibit unmatched performance, delivering exceptional desalination rates and stable water production. The water quality produced by these membranes surpasses the stringent requirements set by cruise ships.
This significant achievement led to the replacement of desalination membranes on three additional cruise ships. Proshare's triumph in this endeavor marks it as the first national brand to secure international luxury cruise ship orders for desalination RO membranes.
A Comprehensive Water Treatment Plant dedicated to Generating Ultra-pure Water for the Semiconductor Industry.
As is well recognized, the requirements for electronic-grade ultra-pure water in membrane desalination are extraordinarily high, with only a select few brands capable of meeting these stringent standards.
Leveraging Proshare's groundbreaking TFN membrane technology and the TsingXi team's extensive water treatment industry expertise, our complete water treatment plant and pure water equipment solutions demonstrate exceptional rejection performance for salts, boron, and TOC. The system's water production meets the semiconductor industry's stringent ultra-pure water requirements.
This outstanding achievement facilitated our acquisition of the electronic ultra-pure water treatment project from a prestigious Japanese listed company.
Proshare Our Team's Revolutionary Leap in Next-Generation Reverse Osmosis Membrane Technology
Proshare Our team has ingeniously pioneered a novel generation of reverse osmosis membranes founded upon polymer interface nano-self-assembly technology. This innovation surpasses the barriers of traditional reverse osmosis membrane development through two pivotal advancements:
Ultra-Thin Separation Layer: Utilizing advanced polymer interface nanotechnology, our team has remarkably reduced the thickness of the separation layer to a minimum of three times thinner than conventional polyamide thin films (traditionally capped at 100 nm). This landmark development substantially boosts water flux, resulting in an impressive enhancement in permeability.
Elevated Performance: The strategic incorporation of nanoparticles and bespoke hydrophilic polymers has led to stunning strides in the membrane's hydrophilicity, anti-fouling ability, robustness, and resistance to oxidation.
In comparison to traditional polyamide reverse osmosis membranes, Proshare's innovation heralds breakthroughs in four crucial domains:
Self-Assembled Nanocomposite Films
The fusion of nano-scale precision control and nano-doping modification permits the creation of ultra-thin, meticulously ordered separation layers via polymer interface nanotechnology. This method overcomes the limitations of conventional polyamide membranes in terms of thickness uniformity and material variety.
Boosted Water Flux and Energy Efficiency
Through the optimization of the layer-by-layer self-assembly process, the functional layer thickness is exactly managed, achieving a threefold reduction compared to traditional membranes. This results in >3x augmented water flux and 30% diminished energy usage.
Innovative Polymer Materials with Unrivaled Chemical Stability
Progressing beyond polyamide, the team employs cutting-edge hydrophilic polymers (e.g., advanced polysulfones) and ceramic-organic composites. These materials boast extraordinary oxidation resistance (withstanding exposure to 10 ppm chlorine) and pH resilience (remaining stable across a pH range of 1-12).
Anti-Fouling Surface Enhancement
The superhydrophilic surface (contact angle <10°) reinforced with nanoparticles dramatically reduces the tendency for organic fouling by 50%, extending the intervals between chemical cleanings from 3 months to 6 months, thereby slashing maintenance costs by 40%.
Our unwavering commitment to excellence is manifested through our extensive range of prestigious certifications. We proudly hold the Health & Safety Management System Certificate, ensuring the utmost safety for our workforce. Our dedication to sustainability is reflected in our Environmental Management System Certificate. Additionally, our ISO9001 Quality System Certificate exemplifies our pursuit of superior quality across all operations.
With a focus on pioneering innovation, we have secured key invention patents that underscore our leadership in membrane technology. Our Invention Patent for Membranes Production sets a high benchmark for industry standards. Moreover, our Invention Patent for Multi-layer RO Membrane reflects our advanced research and development capabilities, pushing the boundaries of water purification technology. We are committed to providing products that meet the highest environmental standards, as evidenced by our RoHS Compliance Certificate. This certification guarantees that our products are free from hazardous substances, aligning with global safety and environmental protocols.
Proshare Innovation Suzhou Co., Ltd. is a premier national high-tech enterprise, dedicated to the cutting-edge R&D and industrialization of third-generation thin-film nanocomposite (TFN) membranes, utilized in reverse osmosis (RO), nanofiltration (NF), and material separation applications. Established in 2017 by a distinguished team of overseas-returned doctoral experts under the leadership of Dr. Lin Xiaofeng, a laureate of national-level talent programs, Proshare Innovation stands as China's exclusive domestic trailblazer in the manufacture of TFN membranes.
Core Competencies
Technological Innovation: We spearheaded the pioneering application of TFN technology in nanofiltration membranes, mastering fully independent R&D and the localized production of both membranes and their manufacturing equipment.
Intellectual Property: Proudly holding over 31 acclaimed patents, our membrane performance reaches internationally preeminent standards, effectively substituting monopolized foreign products.
Production Capacity: Proshare operates a state-of-the-art 2,000 m² R&D facility and a sprawling 15,000 m² production base.
Funding: Successfully completed Pre-A Round (2023) and A Round (January 2025) financing, supported by the Suzhou Industrial Park Science Innovation Fund and Yong Sheng Capital.
Market Recognition: Proudly designated as a preferred supplier for prestigious listed environmental engineering firms and state-owned enterprises.
Leadership:Dr. Lin Xiaofeng, a Ph.D. graduate of the esteemed University of Strasbourg (France), has been honored with various provincial and national talent accolades (e.g., Suzhou Leading Talent, Jiangsu Dual Innovation Talent), and spearheads the company's groundbreaking R&D efforts in TFN membrane industrialization.
FAQ:
(1) Q: Why Choose Our Company?
A: Complete water treatment solutions
We offer revolutionary (Thin Film Nanocomposite) TFN membrane sheets, membrane elements, and comprehensive water treatment system solutions.
A: Customization capabilities
Backed by national expert teams and Tsinghua University Suzhou Environmental Innovation, we offer unmatched customization.
A: Ensuring quality and delivering worth.
Our premium solutions not only excel in performance, but also provide significant ROI for customers. We deliver extensive training, support, and services, leveraging our local expertise in global markets.
A: Collaborating with our customers
Inspired by our customers' daily dedication, we aim to offer the most valuable source of hope - clean water. Together, we thrive for a water-optimized world.
(2)Q: Are you a manufacturer or Trade Company?
A: We are a distinguished 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: Our skilled engineers are available to provide service overseas, under the guidance of merchandisers and translators, ensuring seamless communication.
(4) Q: How about the quality?
A: Our main sub-assemblies and raw materials are sourced from major companies. Key parts are innovatively developed by our experts. 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: You can enjoy peace of mind with our 1-year warranty which complies with International standards. Our dedicated team is available online 24/7 to assist you with any inquiries or issues you may have regarding our machine. Your satisfaction is our priority, and we're here to help anytime you need us.
(6) Q: Certification?
A: Tsingxi, a hallmark of excellence in quality and safety, proudly holds ISO9001, ISO14001, and ISO45001 certifications. Our products are meticulously crafted to align with 3C and CE technical standards, ensuring only the highest quality. Endorsed by the Industry Administration Authority, Tsingxi stands as a testament to innovation and reliability. Dedicated to advancing as a formidable leader in the water treatment sector, Tsingxi is on a relentless journey to bolster its position in the global high-tech marketplace.
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