UVB photocatalytic oxidation deodorization equipmentIn the field of exhaust gas, due to the fact that UVB does not produce much ozone, the equipment has been applied in the treatment of low concentration, high flow exhaust gas, secondary ozone pollution, and the purification of flue gas and rubber exhaust gas in Shandong Debao 1000000m3 vulcanization exhaust gas, Tengcang rubber, and Zhongce rubber.

UVB band

UVB photocatalytic oxidation deodorization equipmentThe wavelength is 275-320nm, also known as the medium wave erythema effect ultraviolet. Medium penetration power, its shorter wavelength is absorbed by transparent glass, and most of the medium wave ultraviolet rays contained in sunlight are absorbed by the ozone layer, with less than 2% reaching the Earth's surface. It is strong in summer and afternoon.

1UVB photocatalytic oxidation deodorization equipmentcharacteristic

(1) Applicable environment for photocatalytic oxidation:

Photolysis oxidation is suitable for purifying harmful and odorous components such as exhaust gases into low molecular weight components at room temperature. It is suitable for treating high concentrations (uniform concentration can be achieved through pretreatment) and large gas volumes (equipment can be combined for treatment).

(2) Energy saving:

Photolysis oxidation utilizes the vacuum wave ultraviolet light generated by artificial ultraviolet lamps as an energy source for photocatalysts, driving oxidation-reduction reactions. Moreover, photocatalysts are not consumed during the reaction process, and the use of water and oxygen on the surface of exhaust gases as oxidants to degrade exhaust gases has become a major feature of photocatalytic purification and energy conservation.

(3) Usage duration:

In theory, there is no loss due to the direct involvement of oxidation-reduction in photocatalytic oxidation reactions.

IIUVB photocatalytic oxidation deodorization equipmentSelection instructions

A、 If UV photolysis is used to purify exhaust gas, a chemical bond energy is required first. Only when the bond energy is lower than the UV photon energy can it be cleaved

The above table contains the chemical bond lengths and bond energy parameters of odorous gases such as ammonia, hydrogen sulfide, methyl mercaptan, and methyl sulfide. The photon energy of 185nm ultraviolet light generated by the photocatalytic oxidation deodorization equipment reaches 647KJ/mol. The wavelength of the components in the 185nm ultraviolet light band can be shortened by 100nm, and their photon energy is above 800KJ/mol. The molecular chains of odorous gases can be opened, thus playing a role in odor.
B、 Waste gas molecules are only broken down into atoms and need to be oxidized by ozone to form stable small molecules, such as CO_2、H₂O, etc., in order to achieve the purpose of exhaust gas purification. Oxygen that is needed is irradiated with UV light to generate ozone.