new material
Crude benzene first-stage hydrogenation catalyst is a high-performance catalytic material designed for the initial hydrogenation of crude benzene to remove impurities and prepare it for further refining. Engineered using advanced metal-supported formulations, it ensures optimized reaction kinetics, superior impurity removal, and enhanced thermal stability in industrial hydrocarbon processing. This catalyst plays a crucial role in fuel purification, petrochemical refining, and the upgrading of benzene-based feedstocks for high-purity applications.
Product Overview:
This crude benzene first-stage hydrogenation catalyst uses modified alumina as the carrier, with the addition of molybdenum, nickel, and other metal components. It is specially designed for the first-stage hydrogenation of crude benzene. The catalyst exhibits excellent low-temperature dienes and mono-olefin hydrogenation saturation performance and can effectively remove a portion of organic sulfur and nitrogen compounds. It is ideal for achieving high-efficiency olefin saturation during the benzene hydrogenation process, significantly improving the purity of the reaction product.
Key Features:
- Superior Hydrogenation Performance:High efficiency in hydrogenating dienes and mono-olefins at low temperatures.
- Desulfurization and Denitrogenation Ability:Capable of removing some organic sulfur and nitrogen compounds, enhancing product quality.
- Durability:High compressive strength and excellent stability, maintaining high activity throughout the hydrogenation reaction.
- High Surface Area and Pore Volume:Provides a larger reaction surface area, improving catalytic efficiency.
Applications:
- Crude Benzene Hydrogenation Treatment:Used for the pre-treatment of crude benzene, mainly to remove dienes, mono-olefins, and conduct initial sulfur and nitrogen removal.
- Petrochemical Industry:Suitable for the hydrogenation of coal coking crude benzene and Daqing coking gasoline, improving the quality and purity of the reaction products.
| Physical and Chemical Properties | |
| Item | Specification |
| Appearance | Clover leaf-shaped strips |
| Pore Volume | ≥0.40 mL/g |
| Particle Size | ∮1.5-3.0 * 3-15 mm |
| Nickel Oxide (NiO) Content | 4.0-5.0% |
| Radial Crushing Strength (avg.) | ≥150 N/cm |
| Molybdenum Trioxide (MoO₃) Content | 14.0-17.0% |
| Bulk Density | ≥0.65-0.75 kg/L |
| Specific Surface Area | ≥200 m²/g |
| Process Condition | Specification |
| Hydrogen Partial Pressure | 3.0 MPa |
| Temperature | 320 ℃ |
| Space Velocity | 1.5 hr⁻¹ |
| Hydrogen/Oil Volume Ratio | 500 V/V |
| Raw Oil Type | Daqing Coking Gasoline |
| Activity Index | Basic Nitrogen < 0.5 mg/L |
| Process Condition | Specification |
| Raw Oil Type | Coal Tar Crude Benzene |
| Hydrogen Partial Pressure | 1.6-2.5 MPa |
| Reactor Inlet Temperature | 180-230 ℃ |
| Space Velocity | 1.5 hr⁻¹ |
| Hydrogen/Oil Volume Ratio | 250-500 V/V |
