Maximum reaction rate converter system for exothermic reactions

Chemistry of inorganic compounds – Nitrogen or compound thereof – Ammonia or ammonium hydroxide

Reexamination Certificate

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Details

C422S148000, C423S655000, C423S659000, C518S712000, C549S248000, C562S607000

Reexamination Certificate

active

10904315

ABSTRACT:
An ammonia converter system and method are disclosed. The reactor can alter the conversion of ammonia by controlling the reaction temperature of the exothermic reaction along the length of the reactor to parallel the equilibrium curve for the desired product. The reactor100can comprise a shell101and internal catalyst tubes109. The feed gas stream enters the reactor, flows through the shell101, and is heated by indirect heat exchange with the catalyst tubes109. The catalyst tubes109comprise reactive zones122having catalyst and reaction limited zones124that can comprise inert devices that function to both separate the reactive zones, increase heat transfer area, and reduce the temperature of the reaction mixture as the effluent passes through the catalyst tube109.

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