Catalyst Activation/Preparation TRIZ Cases
- Chromium Catalyst Reduction for Polyolefin Flow Index Control
Directed reducing agent injection and staged agitation optimize flow index response consistency in chromium-based catalysts.
- Bimodal Mesoporous Alumina Catalyst for Gasoline Hydrogenation
A bimodal mesoporous alumina catalyst enables selective hydrogenation of gasoline diolefins using specific pore volume distributions.
- Cobalt-Loaded Carbon Nanotube Catalyst for Hydrogen Generation
Cobalt-loaded carbon nanotubes replace expensive precious metals to lower catalyst costs while maintaining high hydrogen production rates.
- Semi-Batch Polyol Production via DMC Catalyst Activation
Sequential alkylene oxide blocks activate double metal cyanide catalysts, preventing deactivation and maintaining high space time yields.
- Rapid Activation of Chromium-Silica Polymerization Catalysts
Alkaline aging reduces silica surface area to enable rapid thermal activation of chromium catalysts in large batches.
- Nickel Catalyst Promoted by Copper and Sulfur for Selective Olefin Hydrogenation
A nickel catalyst promoted with copper and sulfur achieves selective olefin hydrogenation while maintaining high activity.
- Self-Activating Hydroprocessing Catalyst for Heavy Feedstocks
A self-activating hydroprocessing catalyst uses a specific nickel-to-molybdenum ratio to enhance desulfurization activity over time.
- Porous Alumina Catalyst Support for Heavy Hydrocarbon Processing
A porous alumina carrier with controlled pore sizes enhances catalytic activity in hydroprocessing applications.
- Heterogeneous Nickel Catalyst on Alumina for Polyetheramine Synthesis
Dual calcination stabilizes nickel particles on alumina, resolving the activity versus stability trade-off in polyetheramine synthesis.
- Ebullated Bed Catalyst Segmentation for Sediment Reduction
Segmenting catalyst particles by size in an ebullated bed reactor reduces sediment yield while maintaining hydrodesulfurization performance.
- Photocatalytic TiO2 LED Fixture for Heat Dissipation and Air Purification
Modular LED fixtures with photocatalytic titanium dioxide coatings resolve heat dissipation limits while degrading air pollutants under visible light.
- Ammonia Decomposition Catalyst via Solvothermal Synthesis
Alcohol-based solvothermal synthesis disperses ruthenium on cerium oxide, lowering reaction temperatures and energy costs while maintaining hydrogen purity.
- Acoustic Microfluidic Synthesis of Porous Multimetallic Nanocrystals
Acoustic cavitation replaces complex multi-step thermal processes to synthesize high-performance porous multimetallic nanocrystals without templates.
- Fischer-Tropsch Cobalt Catalyst Partial Reduction
Partial reduction of cobalt oxide at 220-250°C preserves C5+ selectivity while lowering energy consumption.
- Polyether Carbonate Polyol Preparation via DMC Catalyst Washing
Washing the double metal cyanide catalyst with an aqueous polyether polyol solution increases carbon dioxide content while lowering the cyclic carbonate ratio.
- Sepiolite Catalyst for Lignin Depolymerization
Stepwise impregnation of sepiolite with tungsten, nickel, and molybdenum prevents metal interaction, achieving over 95% lignin conversion to 2-ethoxyphenol.
- Sub-stoichiometric Spinel Oxygen Carrier for Chemical Looping
Copper dispersed in sub-stoichiometric spinel ceramic matrix prevents metal migration, extending particle lifespan and reducing attrition.
- Chromium Catalyst Flow Index Control
Reduced chromium catalysts adjust flow index response through controlled drying and oxidation state management.