Process and reactor for exothermic heterogeneous synthesis...

Details Process and reactor for exothermic heterogeneous synthesis... Process and reactor for exothermic heterogeneous synthesis...

B - Operations, Transporting

01

J

B01J 7/00 (2006.01) B01J 8/04 (2006.01) C01C 1/04 (2006.01)

Patent

CA 2011886

In a process for exothermic heterogeneous synthesis, for example of ammonia, in which the synthesis gas is reacted in several catalytic beds with axial-radial or just radial flow, the reacted gas is collected at the outlet from the last catalytic bed and is transferred to a reaction heat recovery system situated at the top of the reactor. An improved reactor comprises three catalytic beds with at least two inverted curve bottoms, a first quenching system with its distributor situated inside the first upper bed, immediately under the unperforated portion of the internal wall of said bed, a gas/gas exchanger central to at least one of the two upper beds, a water pre-heater or a boiler inside the shell upper bottleneck, and an internal central tube to take to the top the reacted gas collected in the third bed.

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