Carbon Molecular Sieve — Nitrogen separation

Description

1. Product Overview

This Carbon Molecular Sieve (CMS) is a specialized adsorbent engineered for the efficient on-site generation of high-purity nitrogen from compressed air via Pressure Swing Adsorption (PSA) technology. Its primary industrial use is to deliver continuous, cost-effective nitrogen at purity levels ranging from 95% to 99.999% for applications where oxygen contamination is critical. The key value proposition is a 15–30% reduction in operational energy consumption compared to conventional CMS, achieved through optimized micropore distribution and faster nitrogen adsorption kinetics. Strategically, it enables industries to eliminate dependence on liquid nitrogen logistics and cylinder deliveries, thereby securing supply chain resilience and lowering carbon footprints.

2. Key Specifications & Technical Characteristics

• Material Components: High-purity coal-based or coconut-derived activated carbon, precision-treated via chemical vapor deposition (CVD) for uniform micropore structure

• Purity / Performance Grade: Nitrogen output purity from 95% to 99.999% (O₂ residual as low as 10 ppm); consistent N₂ recovery rate ≥35–45% depending on PSA cycle design

• Physical Characteristics:
  – Form: Cylindrical extruded pellets
  – Color: Matte charcoal black
  – Particle size range: 1.0–1.6 mm, 1.6–2.2 mm (customizable)
  – Bulk density: 640–680 kg/m³
  – Crush strength: ≥45 N/pellet

• Packaging Options:
  – 25 kg sealed multi-layer kraft-aluminum bags with desiccant
  – 500 kg FIBC super sacks (standard export pallets)
  – 1,000 kg steel drums with airtight liners

• Shelf Life: 24 months when stored in original unopened packaging below 40°C / <70% RH; no performance degradation if kept dry

3. Core Industrial Applications

• Electronics manufacturing: On-site N₂ for reflow soldering, wave soldering, and component storage — outperforms membrane systems due to dew point stability < -50°C and hydrocarbons < 1 ppm.

• Oil & gas / petrochemicals: Blanketing, purging, and pipeline preservation — CMS delivers continuous 99.9% N₂ at half the OpEx of cryogenic liquid supply, with zero delivery lead time.

• Food & beverage packaging: Modified Atmosphere Packaging (MAP) to displace oxygen — CMS achieves required 99.5% purity with 30% lower air compression ratio vs. standard zeolites, directly reducing electricity costs.

• Pharmaceuticals: Inerting reactors and transfer lines — tighter pore size distribution eliminates solvent co-adsorption, preventing product contamination risks common with generic CMS.

• Metal heat treatment: Bright annealing and sintering furnaces — high crush strength resists dusting even under pressure cycling, extending PSA valve life by 2–3 years.

4. Competitive Advantages

• Quality consistency: Every batch ISO 9001:2025 certified, with each production lot tested for N₂ recovery, O₂ breakthrough curve, and uniformity coefficient (≤1.2). Statistical process control ensures <0.8% variation in kinetic selectivity.

• Supply reliability: Multiple source-qualified raw material streams + 200 MT/month production capacity; stock kept in three regional hubs (Asia, EU, Americas) for 5-day emergency dispatch.

• Logistics capability: Breakage-resistant packaging certified for sea freight (drop-tested to 1.2 m) and vibration-dampened for cross-continental rail/truck.

• Price competitiveness: Direct factory pricing removes distributor markup; long-term contracts (≥20 MT/month) achieve 12–18% lower cost per NCM of N₂ produced vs. regional competitors.

• Sustainability & technical support: 100% spent CMS recyclable into carbon briquettes or as fuel substitute. Free PSA design advisory — including bed sizing, cycle timing, and pressure drop simulation — provided with every enterprise order.

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): 20 metric tons (20 MT) per product grade / single shipment

• Bulk Loading Capacity: 20 MT per standard 20-foot dry container (palletized FIBC or steel drums, optimized for 26–28 MT total weight including packaging to maximize freight efficiency)

• Lead time: 15 days for MOQ (20 MT); 30 days for full container load (20 MT) after P.O. confirmation

• Incoterms supported: EXW, FOB, CIF (any major port)