SHANGHAI DUBHE ENVIRONMENTAL PROTECTION&TECHNOLOGY CO.,LTD
Limited Resource; Infinite Cycle.
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Our revolutionary hydrogel-volcanic rock composite biofilter media represents a breakthrough in biological wastewater treatment technology. Combining the natural porosity of volcanic rock with advanced hydrogel polymer science, this high-performance media delivers unprecedented efficiency in COD reduction, ammonia nitrogen removal, and heavy metal degradation.
Designed for municipal and industrial wastewater treatment, PCG is widely used in Saudi Arabia, the Philippines, Indonesia, and Malaysia, where efficient and cost-effective biological treatment solutions are in high demand.
Volcanic rock matrix provides stable macroporous structure (pore size 50-500μm)
Hydrogel coating creates microporous network (pore size 0.5-5μm)
Hierarchical porosity accommodates diverse microbial communities
3X higher biomass retention compared to conventional plastic media
Nutrient-locking hydrogel maintains optimal microbial environment
Rapid biofilm formation within 5-7 days (40% faster than standard media)
| Parameter | Value |
|---|---|
| Material | Polyurethane porous gel |
| Specific Surface Area | ≥10,000 m²/m³ |
| Porosity | 98% |
| Dosing Rate | 10–30% of tank volume |
| Hanging Time | 3–7 days |
| pH Range | 6–10 |
| Temperature Range | 1–50°C |
| Expansion Ratio | 190 ± 18% (1:2.2 post-swelling) |
Municipal sewage (e.g., Riyadh, Jeddah plants).
Industrial wastewater (oil refineries, textile dyeing).
Rural drainage & river remediation.
Case Example: A Saudi textile plant achieved 95% COD removal by replacing conventional carriers with PCG.
Sewage treatment plants (STPs)
Decentralized wastewater systems (small communities, resorts)
Water reuse & recycling projects
Food & beverage wastewater (high organic load)
Textile & dyeing industry (color & chemical removal)
Petrochemical & pharmaceutical plants (toxic compound degradation)
Landfill leachate treatment
PCG offers a larger surface area, better oxygen transfer, and faster biofilm growth due to its hydrophilic properties.
Under normal conditions, PCG lasts over 10 years without significant wear.
Yes, it is adaptable to both aerobic and anaerobic environments.
The filling ratio typically ranges from 30% to 70%, depending on the system design.
Yes, it performs well in saline conditions, making it ideal for industries like seafood processing.
PCG Biological Media Carrier is a cutting-edge solution for modern wastewater treatment, combining Japanese-inspired design with advanced polymer technology. Its high efficiency, durability, and cost-effectiveness make it an ideal choice for projects in Saudi Arabia, the Philippines, Indonesia, Malaysia, and beyond. For sustainable and high-performance biofilm treatment, PCG leads the industry.
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