Molecular Sieve — Dehydration

Description

1. Product Overview

This product is a high-performance crystalline aluminosilicate adsorbent engineered for precision dehydration in critical gas and liquid streams. Its primary industrial use is removing water molecules to ultra-low dew points (≤ -100°C) in processes such as natural gas drying, petrochemical cracking, and industrial ethanol production. The key value proposition lies in its exceptional adsorption capacity, high crushing strength, and consistent regeneration cyclability, which directly reduces energy consumption and downtime. Strategically, it is indispensable for industries where trace moisture causes catalyst poisoning, corrosion, or product specification failures—directly impacting operational safety and margin.

2. Key Specifications & Technical Characteristics

• Chemical Composition: Type 3A, 4A, 5A, or 13X crystalline aluminosilicate (customizable); binder system: inert clay or high-performance alumina

• Purity Level / Grade: ≥ 99% active zeolite content; pharmaceutical/food-grade available for direct contact applications

• Physical Characteristics:

  • Form: Spherical beads & cylindrical pellets

  • Color: Off-white to light buff

  • Particle size: 1.6–2.5 mm, 2.5–5.0 mm, 3.0–5.0 mm (±5% tolerance)

  • Bulk density: 660–720 kg/m³ (beads); 630–680 kg/m³ (pellets)

  • Crushing strength: ≥ 30 N (bead), ≥ 60 N (pellet)

  • Equilibrium water capacity: ≥ 21% wt at 25°C, 60% RH

• Packaging options:

  • 25 kg sealed fiber drums (with desiccant liner)

  • 150 kg steel drums

  • 1,000 kg FIBC big bags (palletized & stretch-wrapped)

  • Vacuum-sealed polyethylene liners with nitrogen purge (for extended shelf life)

• Shelf life: 36 months from production date when stored unopened in original sealed packaging at ≤ 35°C / ≤ 65% RH

3. Core Industrial Applications

• Oil & Gas Upstream / Midstream: Dehydration of natural gas and associated gas to prevent methane hydrate formation and pipeline corrosion. Performs better than glycol-only systems by achieving water dew points below -80°C, eliminating freeze-ups in cryogenic gas plants.

• Petrochemical & Refining: Drying cracked gas, olefins (ethylene/propylene), and alkylation feedstocks. Superior selectivity for water over hydrocarbons reduces co-adsorption losses by up to 40% compared to silica gel or activated alumina.

• Industrial Ethanol / Biofuels: Dehydration of hydrous ethanol (95% → 99.9+% anhydrous) via pressure swing adsorption (PSA). Offers 30% longer cycle life than conventional molecular sieves, directly lowering regeneration steam costs by ~15%.

• Pharmaceutical & Electronic Gases: Drying high-purity nitrogen, hydrogen, and inert gases for cleanroom environments. Non-shedding formulation ensures particle-free output, meeting ISO 8573-1 Class 0 for solid particulates.

4. Competitive Advantages

• Quality Consistency: Lot-to-lot coefficient of variation (CV) < 3% for key metrics (crush strength, water capacity) – verified by ISO 9001:2025 and third-party SGS testing.

• Supply Reliability: Dual manufacturing sites (Asia & Middle East) with 12,000 MT annual capacity and 60-day safety stock, ensuring on-time delivery even during supply chain disruptions.

• Logistics Capability: Pre-negotiated ocean freight contracts with 8 global carriers; average lead time 14–21 days ex-warehouse (Rotterdam, Houston, Shanghai, Jebel Ali).

• Price Competitiveness: 8–12% below European/US market average for equivalent 3A/4A grades, driven by vertically integrated raw material sourcing (kaolin & alkali).

• Sustainability: 100% recyclable spent sieve authorized for cement co-processing; production process uses recycled process water and achieves zero liquid discharge (ZLD).

• Technical Support: Free full-documentation package (MSDS, COA, adsorption isotherms, regeneration protocol) and on-site commissioning support for orders ≥ 20 MT.

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ) : 20 metric tons (MT) per product type/size grade (mixable container loads allowed upon request)

• Bulk loading capacity: 20 MT per 20-foot standard dry container (palletized big bags: 19–21 MT depending on packaging mix)