SYNTHETIC SLAG AND ITS PRODUCTION PROCESS

SYNTHETIC SLAG AND ITS PRODUCTION PROCESS

In steel and iron plant’s blast furnace, slag is produced from a gangue material of iron ore and ash of the metallurgical coke. It is used for reducing the material and then it is further used to control the chemistry of the slag.
It helps in removing all the impurities from the raw material and helps to protect the furnace from the lining and excessive of wear and tear. This situation gives us so called synthetic slag. When any iron and steel plant focus on making slag they include quicklime and magnetite for the protection of re-factory.
While making slag, alumina and silica are neutralized completely from the ore and it helps in removing phosphorus and sulfur during the treatment of metallic reaction in the liquid form. Slag conditioner plays a vital role when we are into the production of synthetic slag.
The synthetic slag consists of several calcium aluminate which occur in the entire process and from which very few are only stable. The calcium aluminates are some specific kind of salt made from calcium hydroxide and aluminic acid. It is a proved fact that many useful minerals are obtained when you heat the calcium oxide and aluminium oxide which is also known as bauxite in a very high temperature that of 400-1600 degree Celsius.
Usually, the calcium aluminate for the synthetic slag is made from some selected material of aluminum and calcium. It is blended in it, in a very perfect and proper position, to form ground to powder, then it is pelletized after passing through a churning process right after this it is melted or sintered in a kiln.
LIST OF SOME MINERALS USED IN A SYNTHETIC SLAG:
– C12A7
– CA
– C3A
– CA2

Synthetic slag can be formed at an atmospheric temperature which is normally humid. This is an ideal temperature for its formation.
LIST OF SOME CHEMICALS INCLUDED IN THE FORMATION OF SYNTHETIC SLAG:\

TRICALCIUM ALUMINATE
It is one of the basic forms of calcium aluminate; it is one of the most important phases of mineral all the way from Portland.

DODECALCIUMHEPT-THE ALUMINATE
Its properties and composition have always been the subject of being debated as there is lots of variation in the composition which may arise at the time of high temperature.

MONOCALCIUM ALUMINATE
This mineral is formed when the appropriate proportion of aluminium oxide and calcium carbonate are put together and heated till the mixture of the same melts really well. It melts really well at 1390 degree Celsius. It is also a series of calcium aluminates.

Synthetic slag production needs lots of systematic proportion of chemicals in the right temperature. Even if there is a slight variation in the temperature, the whole chemical process may turn out to be a mess. Many chemicals are fused in to get the best out of it. Slag conditioner does functions very effectively to maintain the consistency of the output of the amalgamation of the chemicals.

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