Overview
Pebble filter media for oil pools are natural or processed stones used to enhance filtration efficiency in industrial applications. These pebbles are selected for their durability, chemical resistance, and uniform size, making them ideal for oil-water separation systems. Commonly sourced from riverbeds or quarries, they undergo minimal processing to retain their natural properties. Their rounded shape ensures minimal abrasion and clogging, providing long-term performance in harsh environments.
Physical and Chemical Properties
Pebble filter media exhibit high mechanical strength, with a density of 2.6-2.8 g/cm³, ensuring stability under pressure. Their chemical inertness makes them resistant to corrosion from oils, acids, and alkalis, extending their lifespan. Size uniformity is critical for consistent filtration. Pebbles are typically graded into 5-50 mm diameters, with larger sizes used for coarse filtration and smaller sizes for finer separation. Their smooth surface reduces fouling and maintenance needs.
Main Applications
These pebbles are widely used in oil pools for industrial wastewater treatment, petrochemical plants, and marine oil spill recovery systems. They effectively separate oil from water by trapping oil droplets while allowing water to pass through. In addition to oil-water separation, they serve as support media in multi-layer filtration systems, often paired with activated carbon or sand. Their versatility also extends to decorative and landscaping uses in eco-friendly designs.
Safety and Storage
Pebble filter media are non-toxic and pose minimal environmental risks. However, proper handling is recommended to prevent dust inhalation during transportation and installation. Storage should be in dry, ventilated areas to avoid moisture absorption and contamination. Bulk shipments should be covered to prevent mixing with foreign materials, which could compromise filtration performance.
B2B Procurement Guide
When procuring pebble filter media, prioritize suppliers with ISO or other quality certifications to ensure consistency. Key specifications include size distribution, chemical composition, and absence of impurities. Request samples to test durability and filtration efficiency under real conditions. Pricing varies based on size, origin, and volume, with bulk purchases often attracting discounts. Long-term contracts are advisable for large-scale industrial users.
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