Organic waste gas treatment has excellent waste gas purification effect and excellent adsorption treatment effect. Organic waste gas treatment products have the international leading level in the environmental protection industry. Organic waste gas treatment refers to the adsorption, filtration and purification of organic waste gas produced in the process of industrial production.
In general, organic waste gas treatment includes formaldehyde organic waste gas treatment, benzene series organic waste gas treatment, acetone butanone organic waste gas treatment, ethyl acetate waste gas treatment, oil mist organic waste gas treatment, furfural organic waste gas treatment, styrene, acrylic acid organic waste gas treatment, resin organic waste gas treatment, additive organic waste gas treatment, paint mist organic waste gas treatment, natural gas treatment That water organic waste gas treatment and other organic matter containing carbon, hydrogen and oxygen air purification treatment.
Characteristics of organic waste gas treatment organic waste gas is generally flammable and explosive, toxic and harmful, insoluble in water, soluble in organic solvents, and difficult to treat. In the treatment of organic waste gas, activated carbon adsorption method, catalytic combustion method, catalytic oxidation method, acid-base neutralization method and plasma method are widely used. However, the plasma method has the danger of high voltage discharge and easy explosion, and is generally not recommended.
What is photocatalysis, the advantages of photocatalysis, the types of photocatalysts, the characteristics of all kinds of photocatalysts, the application fields of photocatalysis, and the role of photocatalysis in environmental protection?
The main principles of photocatalysis are: using high-energy light wave to irradiate the pollutants, making them directly participate in the photodegradation reaction; or using this light wave to excite the semiconductor catalyst, making it have the ability of redox reaction, so as to achieve the purpose of oxidative degradation of pollutants; or through the absorption of high-energy photons by plants, biological and chemical effects are produced, so as to degrade the organic matter.
The characteristics of photocatalysis are that the equipment is simple, it can be operated under normal temperature and atmospheric pressure, the degradation of organic matter is fast and complete, and there is no secondary pollution. The degradation rate of several kinds of dye wastewater below 100mg / l was 95-100% after 20 minutes of operation under normal temperature and pressure with low pressure mercury lamp as light source. The degradation rates of ginseng pesticide residues containing 0.817mg/kg hexachlorobenzene and 0.911mg/kg pentachloronitrobenzene were 93% and 97% respectively after 4 hours of operation.
Photocatalysis can use sunlight as energy to activate photocatalyst and drive oxidation-reduction reaction, and photocatalyst is not consumed in the reaction process. Applications include industrial toxic solvents, chemical pesticides, wood preservatives, dyes and fuel oils. They are also used in the treatment of inorganic pollutants
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