Preparation By Hydrogen Halide Split-Off TRIZ Cases
- Multi-Stage Fluorinated Olefin Production via Segmented Hydrogenation
A multi-stage fluorinated olefin production process uses sequential hydrogenation with distinct catalysts to maximize conversion rates.
- Catalytic Fluorination Selectivity via TaF5 and TiF4 Optimization
Optimizing reaction conditions with TaF5 or TiF4 resolves the trade-off between conversion efficiency and product selectivity in hydrohaloalkene fluorination.
- Gas-Phase Pyrolysis of Hydrofluorochloropropane to Fluoropropene
Catalyst-free thermal pyrolysis of hydrofluorochloropropane yields high-selectivity fluoropropene, eliminating chlorine and reducing global warming potential.
- Chromium Oxide Catalyst with Group 5 Elements for Fluoroolefin Production
Composite chromium oxide catalysts containing Group 5 elements resolve low conversion rates and catalyst deterioration in fluoroolefin production.
- Zeolite Adsorption for RfC≡CX Impurity Removal in Fluoroolefins
Selective zeolite adsorption removes toxic RfC≡CX impurities from fluoroolefins, achieving 300 ppm purity without complex chemical treatments.
- Fluorination Reactor Design for Catalyst Longevity
Separating vaporization from the reaction zone prevents oligomer formation and catalyst deactivation during tetrahalopropene production.
- Fluoropropene Synthesis via Adiabatic Hydrogenation and Dehydrofluorination
Integrated adiabatic hydrogenation and aqueous dehydrofluorination resolve process complexity while maintaining catalyst longevity and industrial scalability.
- Chromium Oxide Catalyst for Selective HFC-1234yf Production
Alkali-promoted chromium oxide enhances selectivity during dehydrofluorination, reducing by-product formation and improving yield of the refrigerant.
- Two-Stage Fluorination Process for HFO-1234yf Production
A segmented two-stage fluorination reactor produces 2,3,3,3-tetrafluoropropene using distinct temperature zones.