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511 Medium-temperature organic sulfur hydrolysis catalyst
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511 Medium-temperature organic sulfur hydrolysis catalyst
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- Commodity name: 511 Medium-temperature organic sulfur hydrolysis catalyst
- Commodity ID: JS-511
In coal-based synthetic ammonia processes, trace organic sulfur removal primarily employs ambient-temperature hydrolysis. Its advantages include simple operation and relatively low catalyst costs.
Product FeaturesIn coal-based synthetic ammonia processes, trace organic sulfur removal primarily employs ambient-temperature hydrolysis. Its advantages include simple operation and relatively low catalyst costs. However, it suffers from poor low-temperature activity and frequent deactivation due to capillary condensation and carryover of saturated water vapor, necessitating heating and cooling equipment before and after the hydrolyzing agent. Additionally, to prevent sulfate deactivation of the hydrolyzing agent caused by reactions between high-concentration H₂S and trace oxygen, activated carbon or iron oxide must be installed upstream to remove high sulfur content. This conversion removal approach is clearly both unreasonable and uneconomical. To address these issues, we have developed a sulfur-tolerant organic sulfur hydrolysis catalyst. Utilizing active titanium dioxide as the active component with specialized additives, it features a broad active temperature range, high organic sulfur conversion rates, sulfur tolerance, and resistance to high vapor/gas ratios. Loading this catalyst enables complete conversion of organic sulfur to inorganic sulfur before the stripping stage, significantly simplifying the process and enhancing desulfurization efficiency. This catalyst can replace cobalt-molybdenum hydrogenation conversion processes at lower cost. It enables organic sulfur conversion without requiring equipment modifications, ensuring stable operation in subsequent production stages.
Reaction Principle:
COS+H2O=H2S+CO2+35.53KJ/molCS2+2H2O=2H2S+CO2+32.66KJ/molPhysical and Chemical Properties of CatalystsAppearance White SphericalSpecifications/mm 3~5Bulk Density 0.60~0.70kg/LStrength >50N/cmSpecific Surface Area >120m2/gCOS Conversion Rate/% ≥90Product Application ConditionsOperating Temperature 150~350°C Operating Pressure Atmospheric pressure~8.0MPa Gas Space Velocity 2000~3000h-1 Inlet Organic Sulfur ~200ppm Inlet O₂ Content <200ppm Packaging and Storage/Transportation Conditions1. Pack in woven bags lined with plastic bags to prevent moisture absorption and chemical contamination.
2. Avoid rolling, impact, and severe vibration during transportation to prevent crushing.
3. Store packaged products in a dry warehouse, away from other chemicals, and strictly guard against contamination, moisture, and damage.
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