Photolysis waste gas treatment equipment, UV light deodorization device manufacturers offer
UV photolysis adaptation range:
Application of UV photolysis catalytic oxidation technology in all kinds of chemical enterprises, including medical, spray paint, rubber, printing and dyeing, food and other chemical enterprises; sewage station gas; nitrogen compounds such as ammonia, amines, nitriles and nitro compounds, nitrogen containing heterocyclic compounds; hydrocarbon, or carbon hydrogen compounds, such as alcohols, aldehydes, fatty acid. The photolysis of UV catalytic oxidation technology investment; covers an area of small, easy to use, simple cleaning, convenient maintenance; impact load, not easily affected by the pollutant concentration meter temperature change; wide range of application, especially the removal rate of odor gas well.
Technical introduction
According to "the people's Republic of China national standards - odor pollution emission standards" GB14554-93 definition of the stench: all stimulate olfactory organs causing people unpleasant and damage to the living environment of gaseous substances. In order to protect and improve the sanitary quality of all kinds of treatment site and surrounding environment and reduce the two pollution to air, it is necessary to control the odor effectively.
At present, there are mainly physical, chemical and biological methods to control odor, including adsorption, direct combustion, catalytic combustion, chemical oxidation, biological filter, etc.. The control technology from the aspects of odor treatment effect, project investment, operation cost, automation degree, area size and there is no two pollution evaluation of technological equipment to the deodorization device compared to products.
This product uses the high energy and high ozone ultraviolet light irradiation UV malodorous gases and TiO2 photocatalytic special, catalytic cracking of malodorous gases such as nitrogen, trimethylamine, hydrogen sulfide, dimethyl sulfide hydrogen, methyl mercaptan, two methyl two sulfur, carbon disulfide and sulfur compounds H2S, styrene, VOC, molecular chain structure of benzene, toluene and xylene so, organic or inorganic polymer malodorous compounds molecular chain in high-energy ultraviolet light irradiation, the degradation into low molecular compounds, such as CO2, H2O etc..
The photocatalytic activity of TiO2 greatly affected the rate of light induced reaction, while the TiO2 photo induced activity was mainly affected by the crystal size and the particle size of TiO2. High catalytic activity of anatase TiO2. With the decrease of particle size, the probability of simple recombination between electron and hole decreases and photocatalytic activity increases. In addition, the porosity, average pore size, particle surface state and purity have some influence on the photocatalytic activity. In order to improve photodegradation efficiency, TiO2 photocatalyst was modified, such as the development of nano TiO2, preparation of TiO2 composite semiconductor, metal ion doping, dye sensitization, etc.. Various advanced methods can also be used to prepare TiO2 catalyst to improve the activity of photocatalyst.
The use of high energy ozone UV ultraviolet beam decomposition of oxygen molecules in the air to produce free oxygen, that is, reactive oxygen species, due to the free oxygen carrying positive and negative electron imbalance so oxygen molecules combine to produce ozone. UV+O2 - O a +O* (reactive oxygen) O+O2 - O3 (ozone), it is well known that ozone has a strong oxidation of organic matter, odor gases and other pungent odor has an immediate effect of removal.
Process principle
In 2 TiO UV photolysis catalytic oxidation deodorizing device, high energy ultraviolet light and air, TiO 2 produced by the reaction of ozone, OH (hydroxyl radical) of malodorous gas CO oxidation decomposition reaction, and macromolecular malodorous gases under ultraviolet light to make the chain structure fracture, the malodorous gases into small molecular substances no odor compounds or complete oxidation, formation water and CO 2 standard, after the exhaust pipe into the atmosphere, the oxidation process is completed in seconds