Preparation By Dehalogenation TRIZ Cases
- Fluorine-Containing Alkane Production via Segmented Catalysis
Progressive catalyst activity manages exothermic heat during hydrogenation, eliminating complex cooling systems while maintaining high conversion rates.
- HFO-1234yf Synthesis via Mn-Cu Catalysts and Serial Reactors
Serial reactors with manganese and copper catalysts convert chloropropane intermediates into HFO-1234yf, eliminating stoichiometric hydrogen use.
- Hydrodechlorination Catalyst for Fluorinated Olefin Production
Copper catalyst converts chlorofluoroalkenes to fluorinated olefins, eliminating ozone depletion potential.
- HFO-1234ze and HFO-1234yf Synthesis via Dechlorination
Replacing chromium catalysts with iron-aluminum-zinc systems eliminates carcinogenic risks while maintaining reaction effectiveness.
- Dehydrochlorination Process for 1,1,3-Trichloropropene
Maintain specific reactant concentrations during dehydrochlorination to suppress impurity formation and preserve catalyst activity.
- HCFO-1233xf Hydrofluorination Catalyst Management
Periodic fresh catalyst injection sustains HCFC-244bb production while suppressing HFC-245cb byproduct formation.
- Gradient Noble Metal Catalyst for Fluoroethane Production
A catalyst with a noble metal concentration gradient produces fluoroethane from fluoroethylene and hydrogen gas.
- Trifluoroethylene Production via Dynamic Catalytic Bed Temperature Control
A fixed catalytic bed process for trifluoroethylene production uses dynamic temperature control to maintain catalyst activity.
- Integrated Fluorination Process for HFO-1233zd and HFO-1234ze
The integrated process avoids azeotropic separation difficulties by converting 240fa through a 244fa intermediate, enabling flexible production of pure HFO products.
- Semi-Batch Dehydrohalogenation for Hydrofluoroolefin Production
Continuous steam stripping during semi-batch dehydrohalogenation reduces batch cycle time and water content, improving hydrofluoroolefin yield and selectivity.
- Mixed Metal Fluoride Catalysts for Selective Dehydrochlorination
Mixed metal fluoride catalysts achieve high selectivity and yield in dehydrochlorination by balancing reaction rate with catalyst stability.
- Perfluoroalkyne Synthesis via Halogenation-Fluorination
A three-step chemical process converts petroleum-derived alkynes into perfluoroalkynes using halogen addition, fluorine gas reaction, and metal dehalogenation.