PSI MEMBRANE® Pro-Acid NF92 Series: High-Pressure Acid-Resistant MarvelCrafted with pioneering Thin Film Nanocomposite (TFN) technology, this membrane is engineered for the treatment and recycling of challenging wastewater. Its high productivity, durable, and fouling-resistant design provides industrial users with a dependable and highly efficient solution to achieve water recovery in Minimal Liquid Discharge (MLD) systems, effectively handling Total Dissolved Solids (TDS) levels exceeding 170,000 mg/L. This offers customers an optimal operation cost, ensuring a sustainable and economically sound choice.
Key Features:
Working pH Range 0-12:Our acid-resistant, high-pressure membrane is capable of operating within a pH range of 0-12, ensuring long-term stability and effective cleaning efficiency.
Outstanding Anti-Fouling Capabilities:The robust TFN membrane is engineered to be fouling resistant, delivering reliable, long-term performance.
Unmatched Cost Efficiency:Designed to achieve system rejection of TDS levels at 170,000 mg/L, this technology efficiently reduces concentrate stream volume, ensuring smooth standard system operations.
Top-Tier Technical Service:Our national-level expert team offers clients premier technical support, ensuring seamless operation and satisfaction.
Key Applications:
Specifically tailored for industrial acidic wastewater treatment plants, providing cutting-edge solutions. Ideal for Industrial Minimum- and Zero-Liquid Discharge (MLD/ZLD) applications.
Perfect for industrial resource recovery and recycling, including applications in metals, new energy lithium extraction from lakes, and chemical & petrochemical industries.
Water Softening Solutions
| 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. The water yield and desalination rates are derived under meticulously controlled standard test conditions: 2000 ppm MgSO4 at a pressure of 580 psi (4.0 MPa) and a temperature of 77 °F (25 °C), with a 15% recovery rate for each individual membrane. These parameters ensure optimal filtration performance and reliable results.
2. Water yield variation is within a range of +/- 15%, providing flexibility and adaptability to different operating conditions while maintaining superior performance.
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 pioneered invaluable solutions in the industrial sector, where achieving the pinnacle of pure water quality is paramount. Our expertise spans crucial processes like wastewater treatment, resource recycling, and more, ensuring your operations run seamlessly.
Our expertise thrives across pivotal industry sectors, including petrochemicals, lithium extraction and battery recycling, mining, semiconductors, and seawater desalination. We also cater to industries like copper foil production, pharmaceuticals, and power generation, ensuring top-tier performance in every field.
Additionally, our cutting-edge solutions bolster various industries such as steam boilers, food & beverage producers (mineral water, soft drinks, juices), and more. We cater to dairies, painting lines, textiles, laundries, hospitals, and mechanical industries, ensuring optimal performance and reliability.
Municipal and Civil use
Our innovative solutions offer municipalities peace of mind with efficient wastewater treatment, adhering to stringent health and environmental standards. Harnessing a national-level expertise and patented technologies, we provide scalable solutions that evolve through continuous feedback from our field engineers.
Our sewage treatment expertise underpins our commitment to sustainable development goals. As a key player, we offer a vast array of solutions designed to impact positively on the environment, including:
Advanced sanitation technologies.
Efficient recovery processes for reusable wastewater materials.
Hospitality/Seawater and Brackish Water Desalination Applications
Bringing our extensive experience in desalination to the hospitality sector, Proshare provides revolutionary solutions for hotels and resorts. Our R.O. sea and brackish water desalination systems meet the burgeoning fresh water demands of rapidly expanding tourist destinations.
Farming applications
Ensuring the highest animal productivity and fitness starts with quality water supply. Be it cattle, chickens, sheep, or pigs, the water we provide goes beyond mere quantity, enhancing overall growth and health.
Farm water can originate from diverse sources like wells, civil water networks, or surface sources like rivers. We ensure that no matter the origin, water quality stays pristine.
Beyond civil network water (with free chlorine), alternative sources often harbor high solutes and pathogens. Our reverse osmosis technology excels in mitigating these impacts, safeguarding farm animals with treated water that removes harmful substances.
Proshare Custom Crafted Innovative TFN Acid-Resistant High-Pressure Membranes Leading Wastewater Treatment in Petrochemical and Refining Industries. Truly Achieving Zero Liquid Discharge.
Proshare Tailor-Made Solutions Advanced TFN Acid-Resistant Membranes: Tailored for Separation and Concentration Exceptional wastewater treatment for ammonium sulphate desulphurisation, achieving concentration rates up to 40 times with ≥ 20% concentration of ammonium sulphate. This breakthrough significantly reduces energy consumption for evaporation and crystallization, delivering substantial cost savings. The resultant water quality complies with China Petroleum and Chemical Corporation's standards (Q/SH 0628.2-2014), ensuring zero wastewater discharge.
These Remarkable Results have secured further orders from other group subsidiaries, showcasing trust and satisfaction.
This Leading-Edge Membrane is also ideal for high-temperature, acidic wastewater scenarios with ammonium sulphate in sectors like energy, refining, chemicals, and metallurgy. Our latest advancements in ammonia desulphurisation coupled with carbon capture propel the green industry chain, aligning with national 'dual-carbon' policies.
Proshare TFN-SEP Custom Nanofiltration Membrane: Boosting Lithium Permeate Rate to an Impressive 96.6%,achieving Mg2+ retention over 99%,and Ca2+ retention exceeding 98%.
Overcoming Technical Hurdles in Membrane Separation for Lithium Extraction from Salt Lakes: Membrane Fouling,Low Selectivity under 80%,High Energy Consumption accounting for 30%-40% of costs,Short Membrane Lifespan of 2-3 years.
Proshare PSI Membrane TFN-SEP Customized NF/RO Membrane
showcases superior Performance Data in a Lithium Extraction project at Lakkor Tso Salt Lake , Tibet, China:With an Efficient 2-Stage Nanofiltration
Process + 1 Stage RO operation, this system delivers remarkable results.In the production of high-grade water, this nanofiltration membrane excels with magnesium ions (Mg2+) concentration of 2.9 mg/L and calcium ions (Ca2+) concentration at 2.25 mg/L. It boasts an impressive retention rate of over 99% for Mg2+ and over 98% for Ca2+, effectively capturing lithium as well. Achieving exceptional permeate quality, this membrane ensures a permeation rate of 96.6%, with a substantial flux reaching close to 20 LMH even under the demanding operating pressure of 1 MPa.Our proven membrane technology stands out for its outstanding environmental and economic benefits. It significantly elevates product purity and quality, paving the way for greener and more efficient processes.
Proshare PSI MEMBRANE Desalination RO Membrane Expertly Serves Desalination Needs in Luxury Cruise Ships
Historically, the realm of desalination membranes for international luxury cruise ships has been dominated by a few select international brands. Given the dynamic nature of feed water quality, influenced by varying salinity and temperature along the cruise journey, it is imperative that the membranes adapt seamlessly, ensuring consistent and reliable water production to meet the stringent demands of ocean-going vessels.
The PSI MEMBRANE Pro-HR-SW seawater desalination membranes have proven their mettle by delivering exceptional performance, not only in desalination rate but also in sustained water production stability. The water quality achieved meets the rigorous standards required by luxury cruise liners.
This outstanding achievement led to a groundbreaking success, with the replacement of desalination membranes on three more luxury cruise ships. Proshare's triumph marks it as the pioneering national brand to secure international luxury cruise ship orders for desalination RO membranes, solidifying its esteemed position in the industry.
A Fully Integrated Water Treatment Plant Tailored for Ultra-Pure Water Production in the Semiconductor Sector
Within the semiconductor industry, the demand for electronic-grade ultra-pure water with extraordinary desalination rates is critical. Only a handful of elite brands can meet these stringent requirements.
Leveraging Proshare's groundbreaking TFN membrane technology along with the expertise of the TsingXi team, which boasts extensive experience in the water treatment sector, the complete water treatment plant delivers pure water equipment solutions with outstanding rejection performance for salts, boron, and TOC. The system consistently meets the high water production standards demanded by the semiconductor industry.
This successful outcome secured us the electronic ultra-pure water treatment project with a prestigious Japanese listed company, enhancing our reputation in this niche market.
Proshare Pioneering Breakthrough in Next-Gen Reverse Osmosis Membrane Technology
Proshare Our dynamic team has trailblazingly developed an innovative generation of reverse osmosis membranes, leveraging cutting-edge polymer interface nano-self-assembly technology. This remarkable advancement successfully transcends the traditional limitations of reverse osmosis membrane development through two pivotal breakthroughs:
Ultra-Thin Separation Layer: By harnessing polymer interface nanotechnology, we have achieved a revolutionary reduction in the separation layer thickness, making it at least three times thinner than the conventional polyamide thin film, which was previously constrained to 100 nm. This transformative breakthrough dramatically elevates water flux and marks a substantial leap in permeability.
Enhanced Performance: Through the strategic infusion of nanoparticles and specialized hydrophilic polymers, we've reached unprecedented advancements in the membrane's hydrophilicity, anti-fouling prowess, durability, and oxidation resistance.
In comparison to traditional polyamide reverse osmosis membranes, Prosharehas achieved groundbreaking innovations in four critical areas:
Self-Assembled Nanocomposite Films
By integrating nano-scale precision control and nano-doping modification, we've crafted ultra-thin, highly ordered separation layers via state-of-the-art polymer interface nanotechnology. This innovative approach effectively overcomes the traditional limitations concerning thickness uniformity and material diversity of conventional polyamide membranes.
Enhanced Water Flux and Energy Efficiency
Our meticulous optimization of the layer-by-layer self-assembly process ensures precise control over functional layer thickness, resulting in a threefold reduction compared to traditional membranes, leading to >3x higher water flux and 30% lower energy consumption.
Novel Polymer Materials with Superior Chemical Stability
Going beyond polyamide, our team employs advanced hydrophilic polymers, such as modified polysulfones, and ceramic-organic hybrids. These groundbreaking materials boast exceptional oxidation resistance (capable of enduring 10 ppm chlorine exposure) and demonstrate remarkable pH tolerance (maintaining stability across a pH range of 1-12).
Anti-Fouling Surface Engineering
Our superhydrophilic surface, with a contact angle of less than 10°, coupled with nanoparticle reinforcement, effectively halves the propensity for organic fouling. This innovation extends chemical cleaning cycles from 3 months to an impressive 6 months and reduces maintenance costs by 40%.
We proudly hold a trio of prestigious certifications that affirm our unwavering commitment to excellence and environmental stewardship. Our Health & Safety Management System Certificate ensures the well-being of our team and partners. The Environmental Management System Certificate highlights our dedication to sustainable practices. Finally, our ISO9001 Quality System Certificate guarantees top-notch quality in every aspect of our operations.
Our innovation prowess is substantiated by our groundbreaking patents. We hold the Invention Patent for Membrane Production, a testament to our cutting-edge approach in crafting superior filtration solutions. Additionally, our Invention Patent for Multi-layer RO Membrane showcases our expertise in pioneering advanced multi-layered technology for enhanced performance. Our commitment to global standards is exemplified by our RoHS Compliance Certificate. This certification underscores our dedication to producing environmentally friendly products free from hazardous substances, meeting international safety requirements.
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.
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: Enjoy a full 1-year warranty that adheres to International standards, ensuring your peace of mind with our Large Capacity Nanofiltration Membrane. Our dedicated team is available online 24/7 to assist with any inquiries or support you may need regarding our advanced water treatment machine.
(6) Q: Certification?
A: Tsingxi proudly holds certifications such as ISO9001, ISO14001, and ISO45001, underscoring our commitment to quality, environmental management, and occupational health and safety. Our products are meticulously engineered to comply with the rigorous technical standards of 3C and CE, ensuring excellence and safety. Furthermore, each product is endorsed by the Industry Administration Authority, affirming our credibility and commitment to quality. As a forward-thinking, high-tech enterprise, Tsingxi is dedicated to strengthening its presence in the global water treatment market, continually advancing to meet the evolving needs of our valued customers.
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