Advantages & Disadvantages of DRI

Direct Reduced Iron (DRI) is a reduction reaction in which iron ore or oxidized pellets are passed through a reducing agent (coal or gas) at a temperature lower than their melting temperature, removing the oxygen from the iron ore and yielding a highly metallized iron-containing product. The resulting DRI product is very porous in nature, hence the name sponge iron. Because of the low content of harmful elements such as S, P, Cu, Zn and the high purity of iron in its products, it is a pure iron material for smelting high-quality steel and special steel, and also the main raw material for high-end casting, ferroalloys, powder metallurgy and other industries.

Advantages of Direct Reduced Iron Production

• Controllable product composition
• Low residual elements
• Easy to form foam slag
• Low investment and operating costs
• Noiseless production can be realized
• High flexibility of proportioning
• Low nitrogen content
• Less return material

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Disadvantages of Direct Reduction Iron Production

• Increased energy consumption
• DRI charging pipe is easy to clogging
• Increase in the amount of slag
• Increase in bag dust ash and powder
• Increased consumption of refractory materials
• Need to take fire prevention measures
• Storage and transportation of raw materials need to be refined
• Lower metal yield

In summary, the production and transportation of the #DRI process and its storage generate a large number of by-products, such as dedusting ash, steel slag and DRI fines, some of which have a high iron content and are of recycling value. Our binders help to bring this solid waste back into the reactor in the form of briquettes. Moreover, our binders do not contain sulfur or phosphorus and do not degrade the quality of the steel.

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