Areas of use: metallurgy, chemical industry, environmental protection, flame processing, etc.
Areas of use: metal smelting and welding, semiconductor manufacturing, electric light source, photovoltaic, standard sample preparation, scientific research, etc.
Fields of use: welding, chemical industry, molding, refrigeration, chemical fiber, agriculture, electronic industry, laser, reactor gas coolant, beer, carbonated beverage, scientific research, etc.
Hydrogen is the main industrial raw material, but also the most important industrial gas and special gas, in petrochemical, electronic industry, metallurgical industry, food processing, float glass, fine organic synthesis, aerospace and other aspects have a wide range of applications. At the same time, hydrogen is also an ideal secondary energy source (secondary energy refers to energy that must be produced by a primary energy source such as solar energy, coal, etc.). In general, hydrogen combines easily with oxygen. This property makes it a natural reducing agent for use in production that prevents oxidation. In the high-temperature processing of glass manufacturing and the manufacture of electronic microchips, hydrogen is added to the nitrogen shielding gas to remove residual oxygen. In the petrochemical industry, crude oil is refined by hydrogenation through desulfurization and hydrocracking. Another important use of hydrogen is the hydrogenation of fats in margarine, cooking oils, shampoos, lubricants, household cleaners and other products. Due to hydrogen's high fuelicity, the space industry uses liquid hydrogen as fuel.
Methane is an important fuel, the main component of natural gas, accounting for about 87%. In the room temperature environment of standard pressure, methane is colorless and odorless; The special smell of household natural gas is an artificial smell added for safety, usually using methyl mercaptan or Z mercaptan. In an atmospheric pressure environment, the boiling point of methane is -161 °C. As long as the gas content in the air exceeds 5% ~ 15%, it is very flammable. Liquefied methane will not burn, except in a high-pressure environment (usually 4~5 atmosphere). Chinese national standards stipulate that methane cylinders are brown with white characters.
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