PSI MEMBRANE® Pro-Acid NF35 Series: Elevating Acid-Resistant Membrane TechnologyIncorporating pioneering Thin Film Nanocomposite (TFN) technology, this state-of-the-art membrane is crafted for the rigorous demands of treating and recycling challenging wastewater. Its high productivity, unmatched durability, and exceptional fouling resistance ensure industrial users a trustworthy and supremely efficient solution. Achieve superior water recovery in Minimal Liquid Discharge (MLD) systems and meet the stringent standards of rejecting Total Dissolved Solids (TDS) levels exceeding 170,000 mg/L. Experience the most optimal operation costs for your enterprise.
Key Features:
Wide pH Range Performance:Our acid-resistant, high-pressure membrane excels in environments with pH levels ranging from 0-12. Enjoy long-term stability coupled with superior cleaning efficiency.
Exceptional Anti-Fouling Capabilities:Featuring a robust, fouling-resistant TFN membrane, enjoy enduring reliability and long-term performance you can depend on.
Unrivaled Cost Efficiency:Achieve unparalleled system rejection of total dissolved solids (TDS) at levels of 170,000 mg/L while minimizing concentrate stream volume-all within standard system operations.
World-Class Technical Service:Our national-level expert team offers clients premium technical support, ensuring first-class service at every step.
Key Applications:
Expert Design for Industrial Acidic Wastewater Treatment Plants: Optimized for Industrial Minimum- and Zero-Liquid Discharge (MLD/ZLD) applications.
Tailored Solutions for Industrial Resource Recovery and Recycling: Ideal for sectors such as metals, innovative lithium extraction from lakes, and chemical & petrochemical industries.
Advanced 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. Experience exceptional water yield and superior desalination rates with our high-performance nanofiltration membrane. Our standard test conditions are meticulously set at 2000 ppm MgSO4, a robust 580 psi (4.0 MPa), and an optimal temperature of 77 °F (25 °C), all achieved at a 15% recovery rate per single membrane for unparalleled efficiency.
2. Benefit from our membrane's flexibility with a variation range of water yield at +/-15%, ensuring adaptability to diverse applications and consistent performance.
Operating Condition: Achieve Optimal Performance Under Specified Conditions
| 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 - Precisely Crafted Dimensions for Seamless Integration
| Model |
A |
B |
C |
| 4040 |
1016 |
100.3 |
19.1 |
| 8040 |
1016 |
200 |
28.6 |
Industry Applications
Proshare With a wealth of invaluable experience, Proshare Innovation Suzhou Co., Ltd. has skillfully positioned itself as a leader in delivering groundbreaking technical solutions to industries where the demand for absolutely pure water is paramount. Our expertise spans critical sectors such as industrial processes, wastewater treatment and reuse, and resource recycling, ensuring that we meet the highest standards of purity and sustainability.
We proudly serve a diverse array of industry sectors, including petrochemical, mining, lithium extraction from salt lakes, lithium iron phosphate, and lithium battery recycling. Our innovative solutions also extend to the semiconductor industry, seawater desalination, leachate management, synthetic biology, copper foil production, pharmaceuticals, and power generation. Each sector benefits from our advanced technologies designed to optimize operations and promote environmental stewardship.
Our expertise further extends to specialized applications such as steam boilers feeding, along with the food and beverage industry which includes mineral water bottling, soft drinks, and juices. We also cater to painting lines, dairies, ice cream producers, laundries, hospitals, textile and mechanical industries, as well as steel companies. Each of these sectors benefits from our tailored solutions ensuring operational excellence and quality performance.
Municipal and Civil use
At Proshare, we offer groundbreaking, scalable solutions for municipalities striving for efficient and sustainable wastewater and effluent treatment. Our extensive portfolio of patented technologies, combined with the expertise of national-level experts and prominent scientific research institutions, ensures compliance with stringent health and environmental standards. We are committed to advancing sanitation systems by leveraging systematic feedback from our field engineers, continuously enhancing our processes to exceed expectations.
Our unrivaled expertise in sewage treatment is a cornerstone of our commitment to sustainable development. As a leading advocate for sustainability, we offer an extensive range of innovative solutions that include:
Revolutionary sanitation technologies that redefine industry standards.
Advanced methods for the recovery of reusable materials from wastewater, turning waste into valuable resources.
Hospitality/Seawater and Brackish Water Desalination Applications
Proshare's vast experience in desalination technology extends to water desalination for civil use, including hotels and touristic resorts. Recognizing the critical importance of fresh water supply, our Reverse Osmosis (R.O.) technology offers a robust alternative solution, adeptly catering to the burgeoning needs of expanding touristic areas and their escalating water demands.
Farming applications
Water quality is paramount in ensuring optimal animal health and productivity on farms. For livestock such as cattle, chickens, sheep, and pigs, both the quantity and quality of water play crucial roles in achieving desired growth and performance. Proshare recognizes this critical need and provides innovative solutions to enhance water quality, ensuring the health and vitality of farm animals.
Farm water can originate from a multitude of sources, including water wells, civil water networks, and to a lesser extent, rivers and other surface sources. Each source poses unique challenges, which we expertly address with our advanced treatment solutions.
Excluding water from civil networks, which typically contains free chlorine, other sources often have high levels of dissolved and suspended solids and pathogens. Proshare's cutting-edge reverse osmosis technology has proven to be the most effective in mitigating these challenges. By treating contaminated farm water, we significantly reduce harmful substances, safeguarding animal health and enhancing farm productivity.
Proshare Tailor-Made Solutions TFN Special Acid-Resistant and High-Pressure Membranes for Wastewater Treatment in Petrochemical and Refining-Truly Achieving Zero Liquid Discharge
Proshare Tailor-Made Solutions TFN Special Acid-Resistant and High-Pressure Membranes: Advanced Separation and Concentration Device for wastewater treatment containing ammonium sulfate. Achieve an impressive wastewater concentration of up to 40 times, with ammonium sulfate concentration reaching ≥ 20% in the concentrated water. This dramatically reduces subsequent evaporation and crystallization energy consumption, resulting in substantial cost savings for users. The stable quality of water produced consistently meets the China Petroleum and Chemical Corporation corporate standard Q/SH 0628.2-2014 for circulating water make-up, and a true zero wastewater discharge has been achieved.
This outstanding result has attracted follow-up orders from other subsidiaries within the group, illustrating widespread trust and demand.
This membrane is also applicable to other high-temperature, highly acidic wastewater scenarios containing ammonium sulfate, including sectors like energy, refining, chemical, and metallurgical industries. The latest advancements in ammonia desulfurization technology, combined with carbon capture, support new energy consumption patterns and the development of a green industry chain, aligning with the national 'dual-carbon policy'.
Proshare TFN-SEP Customized NF Membrane: Achieves Remarkable Lithium Permeate Rate of up to 96.6%,while maintaining a retention rate of Mg2+ > 99%,and a retention rate of Ca2+ > 98%.
Technical Bottlenecks of Membrane Separation (Nanofiltration/Reverse Osmosis) in Lithium Extraction from Salt Lakes are challenged by membrane fouling,low selectivity <80%,high energy consumption accounting for 30%-40% of the total cost,short membrane lifespan of just 2-3 years.
Proshare PSI MEMBRANE TFN-SEP Customized NF/RO Membrane
demonstrated exceptional performance data in a lithium extraction project situated in Lakkor Tso Salt Lake , Tibet, China.:
Utilizing only a 2-stage Nanofiltration process, Process Enhancement: +1 stage reverse osmosis as per specified protocolProduction water specifications include Mg2+ at 2.9 mg/L and Ca2+ at 2.25 mg/L. Impressively, the retention rate for Mg2+ exceeds 99%, while for Ca2+ it surpasses 98%, demonstrating exceptional filtration efficiency in lithium processing. Permeate Clarity: Achieving a remarkable permeate rate of 96.6%, with flux levels approaching 20 LMH under a robust operating pressure of 1 MPa.Our proven membrane technology is not only environmentally sustainable but also economically advantageous, significantly enhancing the purity and quality of the final product.
Introducing the Proshare PSI MEMBRANE: Revolutionary Desalination RO Membrane: Expertly Serving Desalination Needs in: Luxurious Cruise Ship Environments:
Historically, the use of desalination membranes on international luxury cruise ships has been dominated by leading international brands. Given that the salinity and temperature of feed water fluctuate with the ship's journey, these membranes need to be adaptable to varying conditions while ensuring consistent water production. This reliability meets the demanding needs of ocean-going vessels.
The PSI MEMBRANE Pro-HR-SW seawater desalination membranes have exhibited outstanding performance in desalination efficiency and maintaining stable water output. The produced water quality adheres strictly to the high standards set for cruise ships.
This extraordinary achievement has led to the replacement of desalination membranes on three additional cruise ships. Proshare's triumph marks it as the pioneering national brand to secure international luxury cruise ship orders for desalination RO membranes, setting a new standard in maritime water purification.
Comprehensive Solutions for: Complete Water Treatment Solutions for Ultra-pure Water Generation in the Semiconductor Industry:
It is widely recognized that electronic-grade ultra-pure water demands extraordinarily high desalination rates, a criterion that only a select few brands can meet.
Leveraging Proshare's groundbreaking TFN membrane technology and the TsingXi team's extensive expertise in water treatment, our complete water treatment plant and pure water equipment solutions have demonstrated exceptional salt, boron, and TOC rejection performance. The system's water production capabilities fully satisfy the stringent requirements of the semiconductor industry.
This successful outcome has enabled us to secure the electronic ultra-pure water treatment project with a prestigious Japanese listed company, highlighting our excellence in the field.
Proshare Team's Pioneering Breakthrough in Cutting-Edge Reverse Osmosis Membrane Technology
Proshare Our team at Proshare has ingeniously crafted a revolutionary generation of reverse osmosis membranes, leveraging the groundbreaking polymer interface nano-self-assembly technology. This state-of-the-art innovation surpasses the constraints of conventional reverse osmosis membrane science through two pivotal advancements:
Revolutionary Ultra-Thin Separation Layer: By harnessing the power of polymer interface nanotechnology, our team has adeptly minimized the separation layer's thickness to a remarkable degree-at least threefold thinner than the traditional polyamide thin film, previously constrained to 100 nm. This monumental breakthrough dramatically elevates water flux, marking a substantial leap in permeability.
Unparalleled Enhanced Performance: With the strategic introduction of nanoparticles and specialized hydrophilic polymers, Proshare has achieved groundbreaking strides in boosting the membrane's hydrophilicity, anti-fouling capacity, durability, and oxidation resilience.
In contrast to conventional polyamide reverse osmosis membranes, Proshare's innovative solution reveals four monumental breakthroughs:
Precision Self-Assembled Nanocomposite Films
Through the integration of nano-scale precision control and innovative nano-doping modification, we have enabled the creation of ultra-thin, highly ordered separation layers via polymer interface nanotechnology. This sophisticated approach overcomes the traditional limitations imposed by conventional polyamide membranes concerning thickness uniformity and material diversity.
Elevated Water Flux and Energy Efficiency
By meticulously refining the layer-by-layer self-assembly process, the functional layer's thickness is precisely managed, achieving a remarkable threefold reduction compared to conventional membranes. This advancement results in over three times higher water flux and a 30% reduction in energy consumption.
Innovative Polymer Materials with Unmatched Chemical Stability
Advancing beyond polyamide, our team employs cutting-edge hydrophilic polymers, such as modified polysulfones, and ceramic-organic hybrids. These advanced materials boast exceptional oxidation resistance (withstanding exposure to 10 ppm chlorine) and pH tolerance (maintaining stability across a pH range of 1-12).
Pioneering Anti-Fouling Surface Engineering
The utilization of a superhydrophilic surface, with a contact angle of less than 10°, coupled with nanoparticle reinforcement, diminishes organic fouling potential by 50%. This innovation extends chemical cleaning cycles from three months to six months, while slashing maintenance costs by 40%.
We proudly hold the following prestigious certifications, each underscoring our unwavering commitment to excellence: - Health & Safety Management System Certificate - Environmental Management System Certificate - ISO 9001 Quality System Certificate
Our portfolio of innovation is enriched with groundbreaking patents, including: - Invention Patent for Membrane Production - Invention Patent for Multi-layer RO Membrane We adhere to the highest environmental standards with our RoHS Compliance Certificate, ensuring eco-friendly practices and products.
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: Rest assured with a 1-year warranty adhering to international standards. We offer round-the-clock online support. Should you have questions or require assistance with our machinery, do not hesitate to reach out to our dedicated support team.
(6) Q: Certification?
A: Tsingxi proudly holds certifications for ISO9001, ISO14001, and ISO45001, reflecting our commitment to quality and sustainability. Our products are engineered to comply with the rigorous technical standards of 3C and CE, ensuring top-tier reliability and performance. All products receive official certification from the Industry Administration Authority, validating our excellence. Our mission is to continually excel as a leading high-tech company within the global water treatment industry. Tsingxi is dedicated to innovation and growth, delivering cutting-edge solutions for a sustainable future.
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