Catalytic reactor for the catalytic reaction of so2 to so3

Details Catalytic reactor for the catalytic reaction of so2 to so3 Catalytic reactor for the catalytic reaction of so2 to so3

B - Operations, Transporting

01

J

23/387

B01J 8/04 (2006.01) C01B 17/69 (2006.01) C01B 17/80 (2006.01)

Patent

CA 1037229

ABSTRACT OF THE DISCLOSURE: A catalytic reactor for the catalytic reaction of SO2 to SO3, comprising a plurality of separate reaction chamber means each containing a hollow central column and at least three annular catalyst tray means vertically spaced apart one over the other with the inner edges thereof in contact with the central column. Each annular catalyst tray means consists of catalyst means and gas- permeable plate means. A first gas space is provided before the uppermost catalyst tray means, as well as common gas spaces between adjacent catalyst tray means, and a last gas space after the lower- most catalyst tray means. The reactor includes inlet means for feed- ing partial streams of SO2-containing gas into alternate gas spaces, the partial streams fed into the common gas spaces being divided such that a portion flows through the upper tray means and the balance through the lower means; the gas spaces downstream and adjacent to the alternate gas spaces communicate with inlets in the hollow column for allowing partial streams of gases to enter the hollow column after they pass through a catalyst tray means. The hollow column has a common outlet for combined partial gas streams communicating with a gas space other than an alternate gas space. The reactor also includes conduit means for supplying the gases to the inlet means of the alternate gas spaces and conduit means connect- ed to the gas space in communication with the common outlet of the central column, as well as cooling means for cooling the combined gases flowing from one reaction chamber means to the next via the conduit means connected to the gas space in communication with the common outlet of the central column. The catalytic reactor of the invention can be used for throughput rates up to about 500,000 standard cubic meters per hour.

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