Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – Including heat exchanger for reaction chamber or reactants...
Reexamination Certificate
2007-12-18
2010-12-21
Griffin, Walter D (Department: 1797)
Chemical apparatus and process disinfecting, deodorizing, preser
Chemical reactor
Including heat exchanger for reaction chamber or reactants...
C422S187000, C422S186220, C422S186220, C422S201000, C422S210000, C208S049000, C208S176000, C137S896000, C165S177000
Reexamination Certificate
active
07854906
ABSTRACT:
A reactor for carrying out a reaction between two fluid starting materials over a catalyst bed with premixing of the fluid starting materials before introduction into the catalyst bed within a delay time of less than 150 ms in a mixing-in device, wherein the mixing-in device is made up of the following elements which are arranged essentially transverse to the inflow direction of the first fluid starting material stream:two or three rows arranged behind one another of tubes which have turbulence generators on the outside and constrict the flow cross section for the first fluid starting material stream to from ½ to 1/10, with the second fluid starting material stream being passed through the interiors of the tubes and injected via openings in the tubes into the first fluid starting material stream;a perforated plate upstream of the tubes; anda perforated plate downstream of the tubes,is proposed.
REFERENCES:
patent: 2276307 (1942-03-01), Houdry
patent: 4594227 (1986-06-01), Ohsaki et al.
patent: 6772830 (2004-08-01), Larsen et al.
patent: 2008/0214883 (2008-09-01), Olbert et al.
Corr Franz
Crone Sven
Olbert Gerhard
BASF - Aktiengesellschaft
Griffin Walter D
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Young Natasha
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