Dehydrohalogenation reactor and process
AssigneeHoneywell International Inc.
InventorsHaluk Kopkalli, Ron Joseph Roof, Yuon Chiu, Hsueh Sung Tung, Robert A. Smith, Haiyou Wang
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Abstract
The invention provides a reactor comprising a reaction chamber having a catalytic surface in contact with reactants in said chamber, and a source for passing electrical current through said catalytic surface. The reactor can be used for dehydrohalogentation reactions, such as dehydrochlorination of HCFC-244bb to HFO-1234yf and for reactions where zero valent metals are employed for catalysis. The invention further provides a process to prepare HFO-1234yf from HCFC-244bb using an electrically heated reaction chamber.
Claims18
A process for preparing 2,3,3,3-tetrafluoropropene (HFO-1234yf) comprising:
- (a) providing a composition comprising 2-chloro-1,1,1,2-tetrafluorpropane (HCFC-244bb) to a reaction chamber having a catalytic surface in contact with the composition, the reaction chamber being connected to an electrical power source;
- and
- (b) passing electrical current from the power source through the catalytic surface effective to heat the catalytic surface to a temperature effective to catalytically dehydrochorinate at least a portion of the HCFC-244bb to HFO-1234yf.
A process for a dehydrohalogenation reaction comprising
- (a) providing at least one dehydrohalogenation reactant to a reaction chamber, the reaction chamber comprising a surface in contact with said dehydrohalogenation reactant, said surface comprising a material that catalyzes the dehydrohaolgenation reaction;
- and
- (b) passing electrical current through said surface to heat said surface to a temperature effective to achieve dehydrohalogenation of the dehydrohalogenation reactant.
Dependencies are inferred from the claim text.