Heat treatment of foodstuff

Heating – Processes of heating or heater operation

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Details

99447, 432 29, 432 30, F27D 1700

Patent

active

043647278

ABSTRACT:
A method of heat treatment of foodstuff in which a stream of oxygen-containing gas and fuel is passed over one or more catalysts to raise the temperature of the gas stream and the resulting hot, gas stream is contacted with foodstuff in which a proportion of the total fuel may be injected initially and a further proportion or proportions of fuel is subsequently injected preceding passage of the gas and fuel stream over a catalyst and the gas and fuel stream may be passed over catalysts in parallel or in series or so that a portion is continually divided off from the main stream flowing to a main catalyst and passed over a subsidiary catalyst and returned to a point in the mainstream upstream of where it was divided off.

REFERENCES:
patent: 3114363 (1963-12-01), Koltun
patent: 3193263 (1965-07-01), Ruff
patent: 3810732 (1974-05-01), Koch
patent: 4081958 (1978-04-01), Schelp
patent: 4214867 (1980-07-01), Hunter et al.

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