Steel Slag : Guidelines
The member (Science) of Niti Aayog released the Guidelines for the Utilization and Processing of Steel Slag as Processed Steel Slag Aggregates in Road Construction.
- Steel Slag is an industrial byproduct obtained from the steel manufacturing industry.
- It is produced in large quantities during steel-making operations that use electric arc furnaces.
- It can also be produced by smelting iron ore in a basic oxygen furnace.
- Primarily, slag consists of calcium, magnesium, manganese and aluminium silicates and oxides in various combinations.
- The cooling process of slag is responsible mainly for generating different types of slags required for various end-use consumers.
- It has found use as a barrier material remedy for waste sites where heavy metals tend to leach into the surrounding environment.
- Steel slag forces the heavy metals to drop out of solution in water run off because of its high oxide mineral content.
