Multitube falling-film reactor

Details Multitube falling-film reactor Multitube falling-film reactor

1993-05-18

1995-08-29

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Including heat exchanger for reaction chamber or reactants...

2611121, 422129, 562123, B01J 1002

Patent

active

054458013

ABSTRACT:
Mulitube falling-film reactor for the continuous sulfonation and sulfation of fluid-state organic substances by reaction with gaseous sulphuric anhydride (SO.sub.3), has each tubular element non-permanently fixed to the plates and has a nozzle (10) fitted in a sleeve (20) integral with a reaction tube (23). The nozzle (10) can slide within the sleeve (20) and may be placed at different heights with respect to the latter, forming with the end-piece (14) a cylindrical crown opening (18) of fixed width and variable height. Such arrangement permits to control the delivery of the fluid to be sulfonated. The opposite end of each tube (23) fits into a double-plate seal system.

REFERENCES:
patent: 3531518 (1970-09-01), Ohren et al.
patent: 3535339 (1970-10-01), Beyer et al.
patent: 3667919 (1972-06-01), Denzler et al.
patent: 3918917 (1975-11-01), Ashina et al.
patent: 4036596 (1977-07-01), Ogoshi et al.
patent: 4059621 (1977-11-01), Johnson, Jr.
patent: 4183897 (1980-01-01), Lanteri

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