Device for desulphurizing and denitrating flue gases by electron

Details Device for desulphurizing and denitrating flue gases by electron Device for desulphurizing and denitrating flue gases by electron

1985-01-14

1986-06-17

Williams, Howard S.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

With means applying electromagnetic wave energy or...

2041573, B01J 1908

Patent

active

045955697

ABSTRACT:
The present invention provides a process for the desulfurization and denitration of flue gases by electron irradiation of the flue gases to which ammonia has been added prior to the irradiation, wherein for the electrons there are used low-energy sources of electron beams with an acceleration voltage for the electrons of 250 keV, only one of which has an electron exit window, the support lattice of which is formed from several double comb-like bridge elements disconnectably connected with the windowframe, each of which has a main bridge which is provided with a bore as cooling pipe.
The present invention also provides a device for the desulfurization and denitration of flue gases by electron beam irradiation of the flue gases to which ammonia has been added prior to the irradiation, consisting essentially of a reaction canal and two sources of electron beams, wherein low energy sources of electron beams are used with an acceleration voltage for the electrons of 250 keV, of which only one has an electron exit window, the support lattice of which is formed from several double comb-like bridge elements disconnectably connected with the windowframe, each of which has a main bridge which is provided with a bore as cooling pipe, the electrons emerging from the source of electron beams through the electron window passing directly into the reaction canal.

REFERENCES:
patent: 4004995 (1977-01-01), Machi et al.
patent: 4184956 (1980-01-01), Azaru et al.
patent: 4507265 (1985-03-01), Higo et al.
Radiation Phys. Chem., 18, Nos. 1-2 (1981), pp. 389-398.

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