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[Chemical Knowledge]：Understanding scrap iron, from scrap iron to value resources

Read： 919 Time：14months ago Source：Transform the World with Simplicity

Scrap iron refers to iron products that have been eliminated, scrapped or discarded, including building materials, machinery and equipment, electronic appliances, vehicles and ships. Before entering the recycling channel, scrap iron will be sorted, cut, processed and other treatments to obtain higher economic value. The common scrap iron is to mix different kinds of scrap iron together and directly use it as recycled material without too much treatment, so it is also called garbage iron or mixed iron.

So, what is the difference between common scrap iron and ordinary scrap iron? In fact, the main basis for distinguishing between the two is "impurity content". The impurity content in the iron scrap is high, rust, oil stains, sand, etc. will reduce its quality and use value. In contrast, after the initial treatment of ordinary scrap iron, the impurity content is greatly reduced, the quality is more stable, and it is easier to process and utilize.

Although scrap iron is often regarded as "low-end" iron products as garbage iron, it plays an important role in resource utilization. According to survey statistics, the global production of scrap iron is about 1 billion tons, and the proportion of scrap iron in the total amount of scrap iron occupies a considerable proportion. In terms of resource recycling, scrap iron also plays an irreplaceable role. It can be used in many ways, such as steel smelting and metal recycling, and converted into furnace charge, revetment stone, roller material and other applications.

in addition to this, the same scrap also has the advantages of low price, easy to obtain, easy to transport and so on. In construction, machinery manufacturing and other industries, the use of scrap iron can not only reduce input costs, but also effectively reduce resource consumption, in line with the concept of environmental protection.

Generally speaking, although the scrap iron is the "leader" in the scrap iron, it also has its value and necessity. In daily life, we should strengthen garbage classification, turn garbage iron into resource iron, and promote the win-win situation of resources and environment.

conclusion: scrap iron may be relatively strange, but it is a more important category of scrap iron. By understanding the source and utilization value of scrap iron, we can better grasp the importance and necessity of scrap iron recycling and make more contributions to sustainable development.

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