Welding usually produces gases and smoke containing various oxide particles. The size of particles directly affects their harmfulness. The smaller the particles, the more dangerous they are. In addition, the welding process will produce

Nowadays, plastic products are widely used in daily life, clothing industry, building materials, etc. However, the excessive use of plastic products has also brought environmental risks, not only in

The components of asphalt smoke are very complex and vary with the source of asphalt. There are not only solid and liquid particles condensed from asphalt volatile components, but also organic substances in vapor state in asphalt flue gas. Some of them are

Most of the waste gas pollutants in rubber waste gas come from the process of raw material polymerization and heat treatment in the rubber production line, which may contain a large amount of styrene, benzene, xylene, butanone, aldehyde

The source of sludge odor/Exhautgaoverview The sludge stacking and compression workshop will produce odor gas, which is mainly composed of hydrogen sulfide, ammonia, alcohols and hydrocarbons

The generation of garbage odor is due to the fact that domestic garbage contains more organic substances, such as leftovers, vegetable roots, leaves, poultry, animal and fish skins, hair, fat, leftovers, etc., and a certain amount of water

Sewage odor mainly comes from the grid room of sewage pretreatment and anaerobic organisms, the latter has a large amount of odor and exhaust gas, and the taste is irritating.

Pharmaceutical enterprises will use some organic solvents with low melting point and good volatility in the production process. Such solvents are likely to volatilize during the production process and cause pollution. Their emissions are mainly

The organic solvent based ink used in the production process of the printing industry contains 50% - 60% volatile components, and the printing usually needs to adjust the ink viscosity to require more diluents

In the process of production and processing, the food processing profession produces a lot of odor containing organic industrial waste gases, such as hydrogen sulfide, esters, ethers, aldehydes, and other odors. Food additives are for