Industrial Uses of Lime

Slaked Lime

Slaked lime, which is the common name for calcium hydroxide, is a chemical compound with the formula Ca(OH)2 that can be represented by the symbol Ca. Under standard temperature and pressure conditions, slaked lime is known to exist as a white, powdery substance with a crystalline structure. At STP, this compound can also exist in the form of colourless crystals, which is an alternative form. Caustic lime, hydrated lime, slack lime and pickling lime are some of the other names for slaked lime that are commonly used. 

Applications of Slaked Lime 

•One of the most common uses for slaked lime is as a flocculant in the treatment of sewage. A fluffy charged solid is formed, which leads to the removal of relatively small particles from the water sample, thus facilitating the formation of a relatively clear product, according to previous research. Because of the low cost and low toxicity of slaked lime, it is an excellent choice for this particular application. Because it is self-regulating and does not increase the pH of the water excessively, it is frequently used in freshwater treatment to raise the pH of the water in order to prevent pipe corrosion in areas where the base water is acidic.

•Ca(OH)2 is used in the paper industry during the Kraft method of converting wood to wood pulp, which is a chemical reaction. Known to play an important role in the production of ammonia, slaked lime is used in the process. Because of its basic nature, this compound is frequently employed as a pH modifier. In most cases, Ca(OH)2 is used in the pickling of cucumbers to achieve the desired results.

Calcium Carbonate or limestone

Calcium carbonate, also known as CaCO3, is an inorganic chemical compound with the formula CaCO3.

Calcium carbonate (CaCO3) is one of the most widely used chemicals, and it is first encountered in school classrooms, where it is found in the form of chalk (which is a form of CaCO3). It can be found in the crust of the earth. It can also be found in a variety of forms such as marble, limestone, and so on. Despite the fact that they are available in a variety of forms, they are chemically similar and only differ in terms of physical appearance. They are also referred to as calcite in some circles. Calcite is a white mineral that occurs naturally in chalks, limestones, and marbles. It is non-toxic and odourless, and it can be found in large quantities as a white mineral.

Applications of Limestone

•Calcium carbonate is a chemical compound that is widely used in the pulp and paper industry. The mineral can be used both as a filter and as a pigment, allowing for the production of a whiter and higher-quality pigment than is possible with other minerals.

•Calcium carbonate is used in the construction industry as a filler in concrete to increase the durability and appearance of the concrete, as well as to purify metals before using them in construction applications.

Uses of Limestone

The following is a list of the various applications for calcium carbonate.

•It is used in a variety of construction applications, including as a building material (marble) and as an ingredient in cement.

•It is used in the pharmaceutical industry to manufacture antacids, tablets made of base materials, and other similar products.

It is used to supplement calcium intake.

It is used in the production of paints, paper, plastics, and other products.

Plaster of Paris

Plaster of Paris is a widely used chemical substance that is most commonly found in sculpting materials and gauze bandages, among other applications. We have seen many applications of this material in our everyday lives if we try to understand its chemistry. Plaster of Paris is a white powdery chemical compound that is hydrated calcium sulphate and is usually obtained by calcining gypsum. It is a white powdery chemical compound that is hydrated calcium sulphate and is usually obtained by calcining gypsum. In other words, we can say that Plaster of Paris is typically composed of gypsum that has been heated to an extremely high temperature.

Plaster of Paris is also known as Gypsum plaster in some circles. The chemical formula for plaster of Paris is CaSO4H2O depending on the source.

Uses of Plaster of Paris

1)In the field of architecture and interior design

•Plaster of Paris is used to create fine artwork for the decoration and beautification of monuments and buildings, as well as for the creation of fine sculpture. These can be geometric (e.g., imitating natural rocks and temples) or naturalistic (e.g., inspired by trees) (like flowers or forests). This type of material is also frequently used to imitate wood or stone, which can be found in ancient structures and monuments.

2)In the field of art

•Similarly to Michelangelo’s ceiling in the Sistine Chapel, the vast majority of great classical wall paintings in Europe are executed in fresco, which means they are painted on a thin layer of wet plaster, called intonaco, in such a way that the colours sink into the plaster and become part of the medium that holds them, resulting in the brilliant strength of fresco. It is possible to add additional work to the dry plaster by applying a secco top coat, but this is typically less difficult.

In the course of Burial Services

•Plaster is used by a large number of morticians and funeral home executives to reconstruct damaged tissue, rejoin cut-apart parts of dead bodies, and fill wounds that have occurred.

Use as a Medicine

•Even in the medical field, Plaster of Paris is still frequently used as a mould and for casting purposes. An orthopaedic cast is a protective and supportive coating that is made of plaster of Paris and is used to join broken bones. A bandage soaked with plaster of Paris is added to water and then folded over the broken part of the body, setting into a protective and supportive coating that is known as an orthopaedic cast.

Cement

Cement, in general, refers to adhesive substances of all kinds, but in a more specific sense, it refers to the binding materials used in the construction of buildings and civil engineering structures. The finely ground powders in this type of cement combine with water to form a hard mass that can be moulded into various shapes. Cement setting and hardening are caused by hydration, which is a chemical reaction between the cement compounds and water that results in the formation of submicroscopic crystals or a gel-like substance with a large surface area. 

Uses of Cement

The following are the various applications of cement in construction projects:

•To make cement mortar, first prepare the cement.

•To prepare cement concrete

•To construct structures that are both fireproof and thermally resistant.

•To construct structures that are hydrographic and frost resistant.

•In order to construct chemically impenetrable structures

CONCLUSION

Slaked lime, which is the common name for calcium hydroxide, is a chemical compound with the formula Ca(OH)2 that can be represented by the symbol Ca.Calcium carbonate, also known as CaCO3, is an inorganic chemical compound with the formula CaCO3. Calcium carbonate is used in water and sewer treatment plants to remove acidity and impurities from the water and sewer system.Plaster of Paris is a widely used chemical substance that is most commonly found in sculpting materials and gauze bandages, among other applications. Plaster of Paris can be used in the field of art , medicine , architecture etc.Cement, in general, refers to adhesive substances of all kinds, but in a more specific sense, it refers to the binding materials used in the construction of buildings.Can be used for the purpose of enhancing the aesthetics of concrete construction.