Introducing the PSI MEMBRANE® Pro-Acid NF35 Series - a high-pressure, acid-resistant marvel in membrane technology.Harnessing the power of cutting-edge Thin Film Nanocomposite (TFN) technology, this membrane is expertly crafted to tackle and recycle even the most challenging wastewater. With its high productivity, robust durability, and exceptional resistance to fouling, industrial users can trust this solution for superior water recovery in Minimal Liquid Discharge (MLD) systems. It effectively rejects TDS levels exceeding 170,000 mg/L, offering customers unparalleled operational cost-efficiency.
Key features:
Versatile pH Range 0-12:Our acid-resistant, high-pressure membrane is engineered to handle pH levels from 0 to 12, ensuring long-term stability and exceptional cleaning efficiency.
Top-Tier Anti-fouling Capabilities:Designed with a robust TFN membrane that resists fouling, ensuring reliable, long-term performance that industrial users can depend on.
Superior Cost Efficiency:Expertly achieves system rejection of total dissolved solids (TDS) at levels of 170,000 mg/L while significantly reducing concentrate stream volume, maintaining standard system operations.
Professional Technical Service:Our team of national-level experts delivers first-class technical support, ensuring our clients receive unparalleled assistance.
Key Applications:
Specially engineered for use in industrial acidic wastewater treatment plants. Essential for Industrial Minimum- and Zero-Liquid Discharge (MLD/ZLD) systems.
Vital in industrial resource recovery and recycling, applicable in sectors such as metal processing, new energy lithium extraction from lakes, and chemical & petrochemical industries.
Water 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. Under standard test conditions, this membrane exhibits impressive water yield and desalination rates. Specifically, with a 2000 ppm MgSO4 solution at 580 psi (4.0 MPa) and a temperature of 77 °F (25 °C), alongside a 15% recovery rate per individual membrane, the performance is robust and consistent.
2. Experience a varied water yield with a flexibility range of +/-15%, ensuring adaptability to diverse operational requirements.
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 meticulously curated invaluable expertise by delivering pioneering technical solutions to the industrial sector, precisely where exceptionally pure water becomes a necessity for diverse industrial operations, wastewater treatment, resource recovery, and reuse.
Proshare actively engages in pivotal industry sectors including petrochemical, mining, lithium extraction from salt lake, lithium iron phosphate, lithium battery recycling, semiconductor, seawater desalination, reclaimed water, leachate treatment, synthetic biology, copper foil production, pharmaceuticals, and power generation.
Our expertise extends to crucial applications like feeding steam boilers, food & beverage processing (including mineral water bottling, soft drinks, and juices), painting lines, dairy production, ice cream manufacturing, laundries, hospitals, textiles, mechanical industries, and steel companies.
Municipal and Civil use
We provide cutting-edge, scalable solutions that empower customers to efficiently and sustainably manage wastewater and effluent treatment. Our comprehensive portfolio of patented technologies, along with national-level experts and scientific research institutions, assures compliance with stringent health and environmental standards. Through continuous feedback from our field engineers, we strive to perpetually enhance our sanitation systems.
Our unparalleled expertise in sewage treatment is a cornerstone of the support we provide to help you achieve your sustainable development goals. As a leader in sustainable development, we offer an extensive array of solutions, including:
Sanitation technologies designed for excellence.
Efficient recovery of reusable materials from wastewater.
Hospitality/Seawater and Brackish Water Desalination Applications
Proshare's profound expertise in desalination technology extends to water desalination for civil use in hotels and touristic resorts. Given the crucial need for fresh water in such infrastructures, our R.O. seawater or brackish water desalination solutions are crafted to meet the burgeoning demands of rapidly growing tourist areas, fulfilling their escalating water needs.
Farming applications
Water plays a pivotal role in ensuring the wellbeing of livestock (such as cattle, chickens, sheep, and pigs) and optimizing their productive performance. Both the quality and quantity of water are crucial in influencing the desired growth and output of animals.
Farms often source water from diverse origins, including water wells, civil water networks, and, to a lesser extent, rivers and other superficial sources.
Excluding water sourced from civil networks, which contains free chlorine, other water sources are typically high in dissolved and suspended solids, as well as pathogens. Reverse osmosis technology has proven to be the most effective method to mitigate the detrimental effects of contaminated farm water, reducing substances that are potentially harmful to animals through advanced technological treatment.
Proshare is at the forefront of innovation. Tailor-made solutions Introducing TFN special acid-resistant and high-pressure membranes. Engineered for Wastewater Treatment in Petrochemical/Refining to Truly Achieve Zero Liquid Discharge.
Proshare stands out with unparalleled expertise. Tailor-made solutions for your needs. Advanced TFN special acid-resistant and high-pressure membranes separation and concentration device for optimizing wastewater treatment. This cutting-edge solution handles ammonium sulphate desulphurisation, achieving an impressive 40-fold increase in concentration, with ammonium sulphate concentration ≥ 20% in the concentrated water. This significant efficiency reduces energy consumption for subsequent evaporation and crystallization, ensuring substantial cost savings. The water produced meets the high standards set by China Petroleum and Chemical Corporation's corporate standard Q/SH 0628.2-2014 for circulating water make-up. Achieving zero wastewater discharge has become a reality, setting a new benchmark for sustainability.
This outstanding achievement has attracted additional orders from other group subsidiaries, showcasing its powerful impact.
This innovative membrane also excels in other high-temperature, highly acidic wastewater scenarios with ammonium sulphate, covering industries like energy, refining, chemical, and metallurgical. The latest advancements in ammonia desulphurisation technology, combined with carbon capture, support new energy consumption and green industry chain development, aligning with the national 'dual-carbon policy' for sustainable growth.
Proshare continues to lead the way. TFN-SEP Customized NF Membrane Achieves Remarkable Lithium Permeate Rate of 96.6%,with an exceptional retention rate for Mg2+ > 99%,and a robust retention rate for Ca2+ > 98%. This seeks to overcome
Technical Bottlenecks of Membrane Separation (Nanofiltration/Reverse Osmosis) in Lithium Extraction from Salt Lakes, challenged by membrane fouling,low selectivity <80%,high energy consumption which accounts for 30%-40% of the total cost, and also theshort membrane lifespan of 2-3 years.
Proshare PSI MEMBRANE TFN-SEP Customized NF/RO Membrane showcases outstanding
superior performance data in a high-impact lithiumextraction extraction project conducted at Lakkor Tso Salt Lake , Tibet, China.Designed with a streamlined 2-stage Nanofiltration
process plus a 1-stage RO, this innovative design offers unparalleled performance, providing a powerful and efficient solution for complex extraction challenges.Extraction of water with Mg2+ concentration at a precise 2.9mg/L and Ca2+ at 2.25mg/L showcases exceptional retention capabilities, with Mg2+ retention exceeding 99% and Ca2+ surpassing 98% efficiency. A testament to our advanced filtration technology. Permeate: The pure essence of water filtration. Achieving a remarkable permeate rate of 96.6%, this nanofiltration technology delivers an impressive flux reaching nearly 20LMH under a robust operating pressure of 1MPa, ensuring consistent performance.Our proven membrane technology not only champions environmental and economic sustainability but also elevates the purity and quality of your end product, setting a new benchmark in filtration excellence.
Proshare PSI MEMBRANE: The pinnacle of advanced membrane technology. Desalination RO Membrane: Unwavering performance, unmatched purity. Serves Desalination in: Expanding horizons in water purification. Cruise Ship: Navigating the seas with pure innovation.
Historically, the implementation of desalination membranes on international luxury cruise ships has been monopolized by a select few global brands. Given the variability in feed water quality, such as salinity and temperature, along the cruise's path, membranes are required to adapt to changing conditions while ensuring a stable and reliable water output that meets the high demands of oceanic travel.
PSI MEMBRANE Pro-HR-SW seawater desalination membranes have demonstrated unparalleled performance, excelling in high desalination rates and ensuring stable water production. The water quality produced aligns perfectly with the stringent requirements of luxury cruise ships, ensuring passengers enjoy superior water quality at sea.
This outstanding achievement has resulted in the adoption of our desalination membranes on three additional cruise ships. Proshare's trailblazing success establishes it as the premier national brand to secure orders from international luxury cruise liners for desalination RO membranes.
A new era in water treatment technology. Complete Water Treatment Plant for Generating Ultra-pure Water in Semiconductor Industry: Elevate your production capabilities with our state-of-the-art solution.
As is widely recognized, the requirements for electronic-grade ultra-pure water with impeccable membrane desalination rates are exceptionally stringent, with only a select few brands capable of meeting these high standards.
Leveraging Proshare's groundbreaking TFN membrane technology in collaboration with the TsingXi team's extensive expertise in water treatment, our comprehensive water treatment plant and pure water equipment solutions have displayed extraordinary salt, boron, and TOC rejection capabilities. The system's water output has achieved the rigorous standards demanded by the semiconductor industry.
This successful outcome has secured us the prestigious electronic ultra-pure water treatment project with a prominent Japanese listed company, underscoring our commitment to innovation and excellence.
Proshare Team's Breakthrough in Next-Generation Reverse Osmosis Membrane Technology
Proshare Our brilliant team at Proshare has ingeniously crafted a revolutionary new generation of reverse osmosis membranes, harnessing the cutting-edge polymer interface nano-self-assembly technology. This innovation shatters the traditional barriers of reverse osmosis membrane development, achieving remarkable advancements in two pivotal areas:
Ultra-Thin Separation Layer: Through the advanced application of polymer interface nanotechnology, our team has triumphantly made the separation layer astonishingly thin, at least three times slimmer than the conventional polyamide thin film, which was previously confined to a thickness of 100 nm. This monumental leap dramatically boosts water flux, culminating in significant permeability enhancements.
Enhanced Performance: The strategic incorporation of cutting-edge nanoparticles and specialized hydrophilic polymers has ushered in transformative improvements in the membrane's hydrophilicity, anti-fouling prowess, longevity, and resistance to oxidation.
Compared to traditional polyamide reverse osmosis membranes, Proshare's revolutionary creation manifests groundbreaking innovations across four crucial dimensions:
Self-Assembled Nanocomposite Films
With nano-scale precision control and sophisticated nano-doping modification, we manufacture ultra-thin, highly organized separation layers via polymer interface nanotechnology. This technique masterfully transcends the traditional limitations of polyamide membranes in both thickness uniformity and material diversity.
Enhanced Water Flux and Energy Efficiency
Through the meticulous optimization of our layer-by-layer self-assembly process, we can finely regulate the functional layer thickness, achieving a reduction that is threefold compared to traditional membranes. This pivotal advancement results in >3x higher water flux and 30% lower energy consumption.
Novel Polymer Materials with Superior Chemical Stability
Transcending beyond polyamide, our team employs cutting-edge hydrophilic polymers, like advanced modified polysulfones and innovative ceramic-organic hybrids. These exceptional materials showcase remarkable oxidation resistance (withstanding exposure to 10 ppm chlorine) and pH tolerance (maintaining stability across a broad pH range of 1-12).
Anti-Fouling Surface Engineering
Our superhydrophilic surface, with an impressively low contact angle of less than 10°, reinforced with nanoparticles, effectively reduces organic fouling tendencies by 50%. This innovation extends chemical cleaning intervals from 3 months to an impressive 6 months, slashing maintenance costs by 40%.
Health & Safety Management System Certificate, Environmental Management System Certificate, and ISO 9001 Quality System Certificate
Invention Patent of Membrane Production, Invention Patent of Multi-layer RO Membrane RoHS Compliance Certificate
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: We offer a comprehensive 1-year warranty adhering to International standards, ensuring your peace of mind. Our dedicated support team is available online 24/7 to address any inquiries or issues you may have regarding our machine, guaranteeing prompt and efficient assistance whenever you need it.
(6) Q: Certification?
A: Tsingxi proudly holds ISO9001, ISO14001, and ISO45001 certifications, showcasing our commitment to quality and environmental stewardship. Our products are meticulously crafted to align with 3C and CE technical standards, and boast full certification from the Industry Administration Authority. Tsingxi is dedicated to advancing as a formidable high-tech leader in the global water treatment arena, continually pushing the boundaries of innovation and excellence.
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