Deep analysis of waste acid cracking process
2019-11-22
With the rapid development of industry, the environment has been deteriorating, especially the waste acid discharged by industry is one of the major pollution sources, so the various industries in our country are not constantlywaste acid cracking processThere are only a handful of experiences so far. With the increasing attention to environmental protection in China, the waste acid cracking process is also constantly in-depth research, to solve the pollution of waste acid is imminent.
The waste acid is treated by cracking process. The specific method is that the waste acid is cracked at high temperature in the cracking furnace after mechanical atomization to produce acid furnace gas. In addition to containing a large amount of nitrogen, sulfur dioxide and oxygen, the waste acid cracking furnace gas also contains some solid and gaseous harmful impurities. Solid impurities mainly contain elemental carbon, dust, etc.; gaseous impurities usually have water vapor, carbon dioxide, carbon monoxide and so on. However, these solid impurities will block the equipment and pipes, and will also make the catalyst in the cracking furnace hard shell, poisoning, activity decline, which will eventually affect the quality of acid. The role of furnace gas purification is to remove these impurities, so that the purity of acid is higher.
waste acid cracking processThe most important part is drying. The drying unit refers to drying the furnace gas generated by cracking acid and absorbing the moisture in the furnace gas. If the water content of the furnace gas is too high, it will lead to acid corrosion of the converter, heat exchanger, blower and pipeline, etc. Therefore, the moisture must be removed before acid making.
The waste acid cracking process is an important way to solve the pollution of industrial waste acid, and it is also a major process that fits the theme of environmental protection in our country. Enterprises should continue to conduct research to make this process more refined.
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