Water treatment is a critical process in various industrial applications, ensuring the quality of water for different uses while maintaining environmental standards. As global industries continue to grow, the demand for effective water treatment solutions has never been higher. Murong (Shanghai) International Trading Co., Ltd., based in Shanghai, specializes in the international trade of water treatment materials, offering a comprehensive range of products designed to meet diverse industrial needs. This article provides an in-depth look at our main products, their applications, specifications, and selection criteria, helping you make informed decisions for your water treatment requirements.

Understanding Industrial Activated Carbon
Activated carbon is a highly porous material with exceptional adsorption capabilities, making it indispensable in water treatment applications. Our company offers several types of activated carbon, each tailored for specific uses:
Coconut Shell Activated Carbon
Coconut shell activated carbon is renowned for its superior hardness, low ash content, and high surface area. These properties make it ideal for applications requiring high purity and excellent adsorption capacity. Common uses include:
- Purification of drinking water
- Removal of organic contaminants from wastewater
- Gas phase purification in industrial processes
- Gold recovery in mining operations
Our coconut shell activated carbon is available in various particle sizes and iodine numbers to suit different applications. The high mesopore structure ensures efficient removal of both large and small molecular contaminants.
Columnar Activated Carbon
Columnar activated carbon offers excellent mechanical strength and uniform pore structure, making it suitable for gas-phase applications and liquid-phase purification. Its shape provides a low-pressure drop in fixed-bed systems, enhancing operational efficiency. Key applications include:
- Solvent recovery in chemical industries
- Air purification in ventilation systems
- Wastewater treatment in industrial plants
- Dechlorination of water supplies
Spherical Activated Carbon
Spherical activated carbon combines high surface area with excellent flow properties, making it particularly useful in applications requiring rapid adsorption kinetics. Its uniform shape reduces pressure drop and improves contact efficiency in fluidized bed systems. Typical uses include:
- Blood purification in medical applications
- Catalyst support in chemical reactions
- VOC removal in air purification systems
- Specialty gas storage and separation

Polyacrylamide: The Versatile Water Treatment Polymer
Polyacrylamide (PAM) is a synthetic polymer with unique properties that make it invaluable in water treatment processes. Available in both anionic and cationic forms, our polyacrylamide products offer exceptional flocculation and coagulation capabilities, helping to remove suspended solids and organic matter from water.
Anionic Polyacrylamide
Anionic polyacrylamide carries a negative charge, making it effective for treating water containing positively charged particles. Its applications include:
- Wastewater treatment in paper and pulp industries
- Sludge dewatering in municipal treatment plants
- Enhanced oil recovery in petroleum operations
- Soil stabilization in construction projects
Cationic Polyacrylamide
Cationic polyacrylamide, with its positive charge, is particularly useful for treating water with negatively charged colloids. Common applications include:
- Textile wastewater treatment
- Food processing wastewater clarification
- Drilling mud treatment in oil and gas industries
- Paper manufacturing process optimization
Selection Criteria for Polyacrylamide
Choosing the right polyacrylamide depends on several factors:
| Factor | Consideration |
|---|---|
| Charge type | Anionic for positively charged particles, cationic for negatively charged colloids |
| Molecular weight | Higher molecular weight for better flocculation, lower for specific applications |
| Charge density | Higher charge density for stronger interaction with suspended particles |
| Solution pH | Optimal performance within specific pH ranges |
Citric Acid: The Natural Water Treatment Agent
Citric acid is a weak organic acid found naturally in citrus fruits, widely used in water treatment for its chelating and buffering properties. Our high-purity citric acid is suitable for various industrial applications:
Applications of Citric Acid in Water Treatment
- Metal ion chelation: Effectively binds with calcium, magnesium, and other metal ions to prevent scale formation in boilers and cooling towers
- pH adjustment: Acts as a natural buffer to maintain optimal pH levels in water treatment processes
- Disinfection: Enhances the effectiveness of chlorine-based disinfectants in water purification
- Cleaning agent: Used in boiler and pipeline cleaning to remove mineral deposits and organic contaminants
Advantages of Using Citric Acid
Compared to synthetic chemicals, citric acid offers several benefits:
- Biodegradable and environmentally friendly
- Non-toxic and safe for human contact
- Effective over a wide pH range
- Compatible with other water treatment chemicals
- Cost-effective for large-scale applications
Anthracite Filter Media: The Durable Filtration Solution
Anthracite coal, with its high carbon content and low impurities, serves as an excellent filter media for water treatment applications. Our anthracite filter media offers superior performance in removing suspended solids and improving water clarity.
Key Properties of Anthracite Filter Media
- High hardness: Resists breakdown and maintains particle size distribution during backwashing
- Low density: Provides excellent filtration without excessive head loss
- Chemical resistance: Withstands a wide range of pH levels and chemical treatments
- Uniform size: Ensures consistent filtration performance across the entire bed
Applications in Water Treatment Systems
Anthracite filter media is commonly used in:
- Multi-media filtration systems (typically combined with sand and garnet)
- Potable water treatment plants
- Industrial process water filtration
- Groundwater remediation projects
- Swimming pool filtration systems
FAQ
What is the difference between coconut shell activated carbon and coal-based activated carbon?
Coconut shell activated carbon typically has higher surface area and more micropores compared to coal-based activated carbon, making it more effective for removing small molecular contaminants. Coal-based activated carbon often has more mesopores and macropores, suitable for larger molecules and color removal applications.
How do I determine the right dosage of polyacrylamide for my water treatment process?
The optimal dosage depends on several factors including the type and concentration of suspended solids, water temperature, pH, and the specific polyacrylamide product being used. We recommend conducting jar tests with different concentrations to determine the most effective dosage for your specific conditions.
Can citric acid replace traditional scale inhibitors in cooling water systems?
While citric acid is effective at chelating metal ions and preventing scale formation, its performance may vary depending on water quality and operating conditions. In some cases, it can be used as a natural alternative or in combination with traditional scale inhibitors for enhanced performance.
What is the expected lifespan of anthracite filter media in a water treatment system?
The lifespan depends on the quality of the anthracite, the operating conditions, and the maintenance schedule. With proper backwashing and periodic replacement of the top layer, anthracite filter media can last 5-10 years or more in a well-maintained system.
Summary
Murong (Shanghai) International Trading Co., Ltd. offers a comprehensive range of high-quality water treatment materials designed to meet diverse industrial needs. Our product lineup includes various types of activated carbon, polyacrylamide, citric acid, and anthracite filter media, each with specific properties and applications. By understanding the unique characteristics and selection criteria for each product, you can optimize your water treatment processes for maximum efficiency and effectiveness. As a trusted supplier with deep industry expertise, we are committed to providing our global clients with reliable products and exceptional service, helping you achieve your water treatment goals while maintaining environmental sustainability.