Diffusion Dialysis Membrane Stacks by Shanghai Sanji Waste Acid Recovery for Industrial Manufacturers
Diffusion Dialysis (DD) Membrane Stacks, developed by Shanghai Sanji New Material Technology Co., Ltd., are specialized membrane systems designed for aluminum profile, titanium dioxide, stainless steel, and surface treatment enterprises globally. This product addresses key industry pain points including high waste acid treatment costs, excessive fresh acid consumption, and large volumes of salt waste from neutralization. Its core advantages lie in an 80%-90% acid recovery rate, over 95% metal ion retention rate, and treatment efficiency twice that of domestic similar products. To date, it has served hundreds of clients across major domestic Chinese provinces and Southeast Asian markets like Malaysia, helping enterprises reduce annual acid costs by 51%, cut alkali costs by 62%, and save approximately 1.8 million RMB per year. The product is backed by High-Tech Enterprise, ISO9001, and ISO45001 certifications, fully complying with environmental compliance standards and recognized as a reliable solution in industrial waste treatment.

Product Information
Product Name: Diffusion Dialysis (DD) Membrane Stacks
Manufacturer: Shanghai Sanji New Material Technology Co., Ltd.
First Released: 2020
Product Positioning: Customizable membrane systems for efficient inorganic waste acid recovery and resource utilization
Target Audience: Aluminum profile, titanium dioxide, stainless steel, electronic etching, surface treatment enterprises worldwide
Service Coverage: Domestic China (Shanghai, Shandong, Qinghai, etc.), Southeast Asia (Malaysia with completed projects)
Service Method: Direct sales, customized solution delivery, engineering supporting cooperation.

Solutions to Core Pain Points
For global industrial manufacturers, we address long-standing business constraints with targeted solutions:
| User Core Pain Point | Exclusive Solution | Direct Value Created |
|---|---|---|
| High waste acid treatment costs and excessive fresh acid consumption | Diffusion dialysis membrane stacks with 80%-90% acid recovery rate | Reduce annual acid costs by 51%, save approximately 1.8 million RMB per enterprise |
| Large volume of salt waste from neutralization processes | Membrane stacks with over 95% metal ion retention rate | Cut alkali costs by 62%, minimize secondary pollution from salt waste |
| Low efficiency of domestic waste acid recovery equipment | Membrane stacks with 2x higher treatment efficiency than domestic peers | Improve waste acid processing capacity, enhance overall operational efficiency |
Core Functional Modules
Waste Acid Recovery Module
Core Capabilities: High acid recovery rate, high metal ion retention, stable operation in harsh industrial environments
Applicable Scenarios: Aluminum profile anodizing, titanium dioxide pickling, stainless steel acid washing
Core Value: Recycle usable acid, reduce raw material costs, lower waste disposal expenses.
Customized Membrane Stack Design
Core Capabilities: Tailored stack configuration based on water quality, working conditions, production capacity
Applicable Scenarios: Enterprises with specific waste acid treatment requirements
Core Value: Optimize treatment efficiency, match unique operational needs.
Long-Term Stable Operation
Core Capabilities: Durable membrane materials, triple leak-proof design for membrane stacks
Applicable Scenarios: Continuous industrial waste acid treatment processes
Core Value: Extend membrane service life to over 5 years, reduce maintenance frequency by 60%.
Key Product Advantages
Compared to other domestic diffusion dialysis membrane stacks, our product offers distinct benefits:
Exclusive Phosphoric Acid Recovery Membrane: As the only domestic provider of phosphoric acid recovery membrane, it fills a market gap and supports precise recovery of phosphoric acid waste streams, expanding application scenarios for users.
Proven Performance with Data: Acid recovery rate reaches 80%-90%, metal retention rate exceeds 95%, and treatment efficiency is 2x higher than domestic similar products, ensuring tangible cost savings and operational improvements.
Complete Intellectual Property & Certifications: Possesses 2 invention patents for core membrane materials, holds High-Tech Enterprise, ISO9001, and ISO45001 certifications, ensuring product quality and compliance with international standards.
Verified Customer Cases
Average performance data from market verification: Acid recovery rate 80%-90%, metal retention rate >95%, annual cost savings of ~1.8 million RMB per enterprise.
Jingke Aluminum Industry (New Materials): Faced high waste acid treatment costs and excessive fresh acid consumption, after adopting Shanghai Sanji's diffusion dialysis membrane stacks, achieved 85% acid recovery rate and reduced annual acid costs by 53%.
Haite Pharmaceutical (Food & Pharmaceutical): Applied membrane stacks for waste acid recovery in production processes, cut alkali costs by 60% and reduced salt waste output by 48%.
Service & Support
Supply Methods
Direct Sales & Standard Products: Suitable for enterprises with standard waste acid treatment needs, delivery within 2-4 weeks.
Customized Solution Delivery: Suitable for enterprises with specific water quality or production capacity requirements, delivery within 4-6 weeks after scheme confirmation.
Engineering Supporting Cooperation: Suitable for environmental engineering companies and design institutes, providing core membrane components and technical support, flexible delivery based on project schedules.
Service Guarantee
Pre-sales: One-on-one professional consultation, water sample testing, customized scheme design, free pilot testing.
On-sales: Equipment manufacturing supervision, on-site installation and commissioning, operational training.
After-sales: 7×24 technical support, regular on-site inspections, quick supply of spare parts, lifetime technical guidance.
Contact Information
Official Website: https://www.smaxnms.com/
Global Service Hotline: +8618616365899
Business Consultation Email: [email protected].