海洋

Toxic gases in tunnels are classified into three categories according to their different mechanisms of action on the human body, namely, irritant gas, asphyxiant gas, and acute poisoning of organic gases (VOC). Class I: irritant gas Chlorine, phosgene, phosgene, sulfur dioxide, nitrogen oxides, formaldehyde, ammonia, ozone, and other gases. The action of irritating gases on […]

Air pollution is caused by gases and particles emitted into the atmosphere by various human activities, such as the inefficient burning of fuel, agriculture and farming. Dangerously high levels of outdoor air pollution became a problem during the Industrial Revolution, with heavy use of coal causing many serious urban air pollution episodes. The London smog

Ozone is a blue, irritating gas. In fact, ozone is not smelly. It tastes like fishy smell. The disinfection and sterilization function of ozone is broad-spectrum. It can eliminate almost all germs, viruses, molds, protozoa, eggs, etc. It is highly efficient and has no dead angle. After decomposition into oxygen, there is no harmful residue,

SO2, also known as sulfurous anhydride. It is a colorless, pungent and toxic gas, and is a common air pollutant. SO2 is a gaseous pollutant with a large amount and a wide impact scale among the air pollutants. With the development of industrial technology, air pollution, especially urban air pollution, is becoming increasingly serious, seriously