Waste gas treatment refers to the poisonous and harmful gases discharged by human beings in the process of production and life. In particular, chemical plants, iron and steel plants, pharmaceutical plants, coking plants, oil refineries and other domestic waste gases generated by human life have a strong smell, which seriously pollutes the environment and affects human health.

        Waste gas treatment There are many kinds of pollutants in it. Its physical and chemical properties are very complex, and its toxicity is also different. The exhaust gas from fuel combustion contains sulfur dioxide, nitrogen oxides (NOx), hydrocarbons, etc; Due to different raw materials and processes used in industrial production, various harmful gases and solid wastes are discharged, including various components such as heavy metals, salts and radioactive substances; The tail gas from automobiles contains hydrocarbons such as lead, benzene and phenol. Air pollution by exhaust gas is one of the most common and serious environmental problems in the world. China's Environmental Protection Law has clearly stipulated the exhaust emission standards for various factories and mines. Some waste gases are recycled and then processed into usable products.