Water treatment remains a critical component of industrial operations worldwide, with stringent environmental regulations demanding effective solutions for wastewater management. Murong (Shanghai) International Trading Co., Ltd. stands as a premier supplier of specialized water treatment materials, offering comprehensive solutions tailored to diverse industrial requirements. Based in Shanghai, China, our company combines decades of industry expertise with cutting-edge technology to deliver premium products that ensure optimal water quality across various applications.

Core Product Range for Industrial Water Treatment
Our product portfolio addresses multiple stages of water treatment processes, from initial filtration to advanced purification. Each material undergoes rigorous quality control to meet international standards and client specifications.
1. Industrial Activated Carbon Solutions
As a leading activated carbon exporter, we offer four primary forms tailored to specific applications:
- Coconut Shell Granular Activated Carbon: Ideal for drinking water purification and organic compound removal due to its high surface area and micro-pore structure
- Powdered Activated Carbon: Effective for rapid adsorption in emergency spill response and color removal applications
- Columnar Activated Carbon: Engineered for gas phase purification and air filtration systems with excellent mechanical strength
- Spherical Activated Carbon: Specialized for medical and high-purity applications requiring uniform particle size distribution
Our honeycomb activated carbon variant provides exceptional performance in volatile organic compound (VOC) removal systems, with pressure drop advantages over traditional forms. The material’s unique structure increases contact efficiency while maintaining structural integrity under high-flow conditions.
2. Polyacrylamide for Enhanced Coagulation
Our polyacrylamide offerings include both anionic and cationic variants, essential for effective flocculation in water treatment processes. The anionic grade demonstrates superior performance in neutral to alkaline conditions, while the cationic formulation excels in wastewater containing organic colloids and suspended solids. Key applications include:
- Municipal wastewater treatment plants
- Paper and pulp industry effluent management
- Textile dyeing wastewater clarification
- Oilfield produced water treatment
The molecular weight and charge density of each polyacrylamide product are carefully controlled during manufacturing to ensure consistent performance across varying water chemistries.

3. Citric Acid for Water Conditioning
Our food-grade citric acid serves multiple functions in water treatment systems:
- pH Adjustment: Effective for neutralizing alkaline water without introducing harmful byproducts
- Complexing Agent: Binds with metal ions to prevent scaling in boilers and cooling towers
- Disinfection Enhancer: Improves chlorine efficiency in swimming pool water treatment
- Biological Treatment Aid: Provides carbon source for denitrifying bacteria in wastewater systems
The anhydrous and monohydrate forms offer flexibility for different storage and handling requirements, with consistent purity levels maintained through advanced crystallization processes.
4. Anthracite Filter Media for Mechanical Filtration
- Particle Size Distribution: Carefully graded to prevent media migration while maintaining optimal flow rates
- Density Characteristics: Lower specific gravity than sand allows for longer filter runs and reduced backwash frequency
- Chemical Stability: Resistant to acid and alkaline environments, ensuring long service life in diverse water conditions
- Turbidity Removal: Effective for capturing suspended solids down to 10-15 micron size range
When combined with sand and garnet in multi-layer filters, our anthracite media creates a depth filtration profile that progressively removes particles from coarse to fine, optimizing both water quality and system efficiency.
| Product Parameter | Technical Specification | Application Benefit |
|---|---|---|
| Iodine Number (Activated Carbon) | 800-1200 mg/g | Indicates adsorption capacity for organic contaminants |
| Molecular Weight (Polyacrylamide) | 5-25 million Daltons | Determines flocculation efficiency and settling rate |
| Purity (Citric Acid) | 99.5% minimum | Ensures consistent performance in sensitive applications |
| Effective Size (Anthracite) | 0.6-1.2 mm | Optimizes filtration rate and backwash efficiency |
Quality Assurance and Global Compliance
Our commitment to quality extends beyond product specifications to encompass comprehensive quality management systems. Each production batch undergoes:
- Raw material verification through spectral analysis
- In-process quality checks at critical manufacturing stages
- Final product testing against ISO, ASTM, and AWWA standards
- Third-party laboratory verification for export markets
The company maintains ISO 9001:2015 certification for quality management and ISO 14001:2015 for environmental management, ensuring sustainable operations that minimize ecological impact while delivering consistent product quality.
Global Supply Chain Capabilities
With strategic warehousing facilities in major international ports, we ensure reliable supply to clients across six continents. Our logistics team specializes in:
- Dangerous goods shipping compliance for chemical products
- Customized packaging solutions from 25kg bags to bulk containers
- Just-in-time delivery programs for continuous operations
- Documentation support for customs clearance in complex markets
The company’s digital supply chain platform provides real-time tracking, inventory visibility, and automated reordering capabilities for long-term clients, enhancing operational efficiency across the value chain.
FAQ
What makes coconut shell activated carbon superior for drinking water treatment?
Coconut shell activated carbon offers higher micro-pore volume compared to coal-based alternatives, providing greater surface area for adsorption of small molecular weight contaminants like chlorine, pesticides, and pharmaceutical residues. Its hardness also reduces dust generation during handling and backwashing.
How do I determine the correct polyacrylamide dosage for my wastewater treatment system?
Dosage optimization requires jar testing with representative water samples to evaluate floc formation, settling rate, and turbidity removal. Our technical team provides on-site support for initial dosage determination and ongoing process optimization to minimize chemical consumption while maintaining treatment efficiency.
Can citric acid replace traditional anti-scalants in boiler systems?
Citric acid serves effectively as a threshold inhibitor for calcium carbonate scaling in low to medium pressure boilers (up to 15 bar). For higher pressure systems or waters with significant silica content, we recommend combining citric acid with specialized polymer-based treatments for comprehensive scale control.
What is the expected service life of anthracite filter media?
Under normal operating conditions (proper backwash frequency, appropriate flow rates), anthracite media can remain effective for 5-7 years. Factors that may reduce service life include excessive fine particle content in feed water, inadequate backwash procedures, or chemical exposure beyond the media’s resistance range.
Summary
Murong (Shanghai) International Trading Co., Ltd. establishes itself as a comprehensive solution provider in the global water treatment materials market through its diverse product range, stringent quality control, and client-centric service approach. By combining technical expertise with modern manufacturing practices, we deliver materials that meet the evolving challenges of industrial water treatment across various sectors. Our commitment to continuous improvement ensures that clients receive not only premium products but also innovative solutions that enhance operational efficiency and environmental compliance. With a focus on building long-term partnerships, we remain dedicated to supporting global water treatment initiatives through sustainable, high-performance materials and responsive technical support.