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Limestone

Processed limestone is a versatile material that finds applications in various industries due to its properties such as versatility, abundance and affordability. Here you will learn how it can be used in different industries:

Construction:

Crushed limestone is used as a base material for roads, driveways and foundations. It provides stability and durability.

Concrete: Limestone can be used as a filler in concrete to improve workability and reduce costs.

Masonry: Limestone is used in the construction of buildings because it can be cut into blocks or used as a veneer for facades to give an aesthetic appearance.

Manufacturing and industry: Iron and steel: Limestone is used as a flux in the manufacture of iron and steel. It helps to remove impurities and acts as a slagging material.

Glass: Limestone is used as a flux in the manufacture of glass to lower the melting point of raw materials and make the glass more workable.

Chemicals: Limestone is a source of lime, which is used in a variety of chemical processes, including water treatment, paper and plastics production, and other chemicals.

Agriculture:

Soil changes: Ground limestone, often called agricultural lime, is used to improve soil quality by reducing soil acidity (increasing pH) and supplying plants with essential calcium and magnesium.

Animal feed: Calcium derived from limestone is used in animal feed to promote bone development and eggshell formation in poultry.

Environmental uses:

Flue Gas Desulphurisation (FGD): Limestone is used in FGD systems to remove sulphur dioxide from emissions from power plants and industrial processes, thereby reducing air pollution.

Neutralization: Limestone can be used to neutralize acidic water bodies, such as acid mine drainage, to improve water quality.

Pharmaceutical industry:

Drug manufacturing: calcium is used as a source of calcium in the pharmaceutical industry. Calcium carbonate derived from limestone is a common ingredient in calcium supplements and antacids.

Excipient in tablets: Calcium is used as an excipient in the manufacture of tablets, where it provides binding and disintegrating properties.

Food industry:

Food additives: Calcium is used as a food additive, especially in products such as baking powder, where it serves as a leavening agent.

Beverage clarification: In the brewing industry, limestone is used to clarify beer by settling suspended particles.

Mining:

Ore refining: Limestone is used in the refining of some ores, such as copper and gold, where it serves as a flux to remove impurities.

Paper and pulp industry:

Paper industry: pulping: Limestone is used in the pulping process to chemically break down wood chips into pulp for papermaking.

Water treatment:

Adjusting pH: Limestone is used to adjust the pH in water treatment processes and ensures that the water is neither too acidic nor too basic.

Processed limestone in its various forms plays a vital role in these industries, providing basic materials and facilitating key processes. Its wide range of uses underlines its importance in the manufacturing sector and in the environmental field.