Description
1. Product Overview
The Palladium-Silver Catalyst is a high-performance bimetallic catalytic material engineered for selective hydrogenation and purification processes in advanced industrial operations. Its primary industrial use is in the production of high-purity hydrogen streams, selective acetylene removal in ethylene plants, and fine chemical synthesis where precision and selectivity are critical. The key value proposition lies in its superior selectivity, extended operational lifespan, and reduced precious metal loading compared to conventional mono-metallic catalysts. It is strategically important in the market because it enables refineries, petrochemical complexes, and specialty chemical manufacturers to meet stringent purity standards while lowering energy consumption and total catalyst costs.
2. Key Specifications & Technical Characteristics
- Chemical Composition: Palladium (Pd) 0.3% – 0.5% w/w, Silver (Ag) 0.1% – 0.3% w/w, supported on high-surface-area Alpha-Alumina (α-Al₂O₃)
- Purity Level / Grade: Industrial Catalyst Grade; Metal dispersion ≥ 40%; Sodium content < 50 ppm
- Physical Characteristics:
- Form: Extrudates, spheres, or tablets
- Color: Off-white to light grey
- Particle Size: 2.0 mm – 4.0 mm diameter; Length/Diameter ratio 1.0 – 3.0
- Bulk Density: 0.65 – 0.85 g/cm³
- BET Surface Area: 5 – 15 m²/g
- Crush Strength: ≥ 50 N/particle
- Packaging Options: 25 kg, 50 kg steel drums with nitrogen purge and inner PE liner; 500 kg or 1000 kg super sacks; customized packaging available for bulk shipments
- Shelf Life: 36 months when stored in original sealed packaging, in dry conditions at 5°C – 35°C, away from sulfur compounds and moisture
3. Core Industrial Applications
- Primary Industries: Petrochemicals, Oil & Gas Refining, Industrial Gas Production, Pharmaceuticals, Fine Chemicals
- Specific Operational Use Cases:
- Selective hydrogenation of acetylene to ethylene in C2/C3 front-end and tail-end converters
- Diene and MAPD removal in olefin purification units
- Hydrogen peroxide production via anthraquinone process
- Selective hydrogenation of nitro compounds and carbonyl groups in API synthesis
- Performance Advantages vs Alternatives:
- Pd-Ag alloy formation suppresses over-hydrogenation, delivering >99.8% ethylene selectivity vs 96-98% for Pd-only catalysts
- Higher resistance to green oil formation extends run cycles by 20-35%
- Operates effectively at lower temperatures, reducing energy demand per ton of throughput
- Tolerant to CO and sulfur excursions up to 5 ppm, minimizing unplanned shutdowns
4. Competitive Advantages
- Quality Consistency: ISO 9001:2015 certified production with batch-to-batch metal loading variance <±2%; full ICP-MS and CO chemisorption COA provided
- Supply Reliability: Vertically integrated precious metal sourcing with 6-month rolling inventory; guaranteed lead time of 4-6 weeks for standard grades
- Logistics Capability: Incoterms FOB, CIF, DDP available; global warehousing in Singapore, Houston, Rotterdam; UN-approved hazmat packaging and documentation
- Price Competitiveness: Optimized Pd-Ag ratio reduces precious metal cost by 15-22% vs high-Pd formulations; volume-based tier pricing for annual contracts
- Sustainability / Environmental Benefits: Spent catalyst buy-back and refining program with >98% precious metal recovery; reduced carbon footprint through longer cycle life and lower regeneration frequency
- Technical Support / Documentation Available: MSDS, TDS, REACH registration, operating manuals, start-up and regeneration protocols; dedicated process engineers for on-site commissioning and troubleshooting
5. Commercial & Supply Information
- Minimum Order Quantity (MOQ): BULK 20MT
- Loading Capacity: 18 – 20 MT per 20ft FCL container, depending on packaging configuration






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