Chemistry of hydrocarbon compounds – Aromatic compound synthesis – Having alkenyl moiety – e.g. – styrene – etc.
Patent
1985-03-21
1988-09-06
McFarlane, Anthony
Chemistry of hydrocarbon compounds
Aromatic compound synthesis
Having alkenyl moiety, e.g., styrene, etc.
585440, C07C 418
Patent
active
047695064
ABSTRACT:
A reactor system for conducting chemical reactions including dehydrogenation reactions and a method for conducting chemical reactions including dehydrogenation reactions therein is disclosed. The reactor comprises a mixing means and a reactor zone comprising a reactor conduit having a shell or housing and at least one inner conduit extending through a major portion of the reactor shell. The mixing means is in fluid communication with the reaction zone. The inner conduit comprise openings or injectors for introducing, at a plurality of locations through the reactor conduit, either additional amounts of the control and/or reactant fluids into the stream of the reactant or, alternatively, the reaction mixture into a stream of the control and/or reactant fluid. The inner conduit is designed such that the control and/or reactant fluid and the reaction mixture are mixed at a rate such that the reaction temperature, concentration and/or residence time of the reactant(s) in the reactor is continuiously changed in a controlled manner as the reaction mixture passes through the reactor. The method of conducting chemical reactions comprising the steps of mixing at least a portion of the control fluid with at least a portion of a reactant fluid, passing the resultant mixture through the reactor while continuously introducing additional amounts of the control fluid and/or reactant fluid into the reaction mixture. The mixing of the additional control and/or reactant fluid with the reaction mixture being conducted at conditions such that the temperature of the reaction mixture and/or the concentration of the reactants in the reactant mixture is continuously changed in a controlled manner as the reaction mixture passes through the reactor conduit.
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McFarlane Anthony
The Dow Chemical Company
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