Chemistry: electrical and wave energy – Processes and products – Processes of treating materials by wave energy
Patent
1988-05-27
1989-11-21
Niebling, John F.
Chemistry: electrical and wave energy
Processes and products
Processes of treating materials by wave energy
20415744, 2041582, B01J 1908
Patent
active
048820202
ABSTRACT:
A process for treating an effluent gas which includes the steps of leading an effluent gas containing sulfur oxides (SO.sub.x) and/or nitrogen oxides (NO.sub.x) to a radiation irradiation zone, adding ammonia (NH.sub.3) to the effluent gas before, during or after the irradiation, collecting resulting ammonium sulfate and/or ammonium nitrate by means of a dust collector, and releasing the effluent gas into the atmosphere. The desulfurization and/or denitration rate is improved by using as the dust collector a bag filter alone or a combination of an electrostatic precipitator and a bag filter, and adjusting the effluent gas temperature at the outlet of the bag filter within the range of from a temperature at which the humidity of the effluent gas is saturated to 100.degree. C.
REFERENCES:
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patent: 4004995 (1977-01-01), Machi
patent: 4097349 (1978-06-01), Zenty
patent: 4294674 (1981-10-01), Aoki
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English Translation of 51-8636.
English Translation of 50-57064.
K. Kawamura, "Electron Beam Processing of Combustion Flue Gases", (1987), International Atomic Energy Agency.
English Translation of Japanese Patent 52-136879.
English Translation of Japanese Patent 52-140499.
Aoki Shinji
Kaneko Mitsuyoshi
Maezawa Akihiko
Nakajima Yoshio
Ebara Corporation
Hsing Ben C.
Niebling John F.
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