Method of inhibiting adhesion of by-product inside duct in treat

Details Method of inhibiting adhesion of by-product inside duct in treat Method of inhibiting adhesion of by-product inside duct in treat

1988-10-18

1990-10-09

Niebling, John F.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

20415744, 20415746, 20415749, 2041582, 423235, B01D 5334, G21K 500

Patent

active

049618300

ABSTRACT:
In a waste gas treating method wherein waste gas is treated by adding ammonia thereto and irradiating this waste gas with electron beams, the adhesion of a by-product to the inner wall of a duct is inhibited by feeding the waste gas after irradiation with electron beams at a flow velocity of 10 m/sec or less, more preferably 5 m/sec or less, until it at least reaches a first by-product collector. The duct may have a rectangular cross-sectional configuration. Thus, it is possible to inhibit increase in the pressure loss of the waste gas being treated and enable stable operation of the waste gas treating process.

REFERENCES:
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patent: 4507265 (1985-03-01), Higo et al.
patent: 4595569 (1986-06-01), Reuter et al.
patent: 4596642 (1986-06-01), Higo et al.

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