Calcium carbonate is a chemical compound, represented by the chemical system CaCO3. It is estimated that about 4 p.c of the Earth’s crust is made up of calcium carbonate. It is found naturally within the form of minerals and rocks, some of which embrace calcite, limestone, chalk, marble, and aragonite. Minerals and rocks dispense calcium carbonate in natural water sources, leading to laborious water. In actual fact, calcium carbonate is the primary cause of water hardness. Additionally it is a major constituent compound of the shells and skeletons of animals. Above 20% of the world’s sedimentary rocks are manufactured from limestone or chalk. The very nicely-recognized coral reefs are made of calcium carbonate secreted by corals.
Calcium carbonate is utilized in many ways, both in its naturally occurring state or pure kind. Pure calcium carbonate is extracted from natural sources by varied strategies like mining and quarrying. The constituent parts and chemical properties of calcium carbonate make it a good substance to be used in lots of industries. Let’s talk about the makes use of of calcium carbonate.
Well being Advantages
Calcium supplements that comprise calcium carbonate are prescribed by docs as a treatment for diarrhea or as an antacid.
A mixture of calcium carbonate and magnesium helps to reduce diarrhea among individuals who suffer from irritable bowel syndrome (IBS).
It has gastric antacid qualities and is used as a treatment for signs like heartburn and stomach upset brought on by acidity.
It is also used to treat GERD and Peptic ulcers.
It is used as a dietary supplement as it’s wealthy in calcium, and can be of assist in the therapy of hyperphosphatemia.
Calcium supplements (in the type of calcium carbonate) are efficient in treating certain ailments associated to calcium deficiency like bone loss and osteoporosis.
Calcium supplements help control high blood pressure during pregnancy.
They’re utilized in managing premenstrual syndrome symptoms.
It helps maintain the general pH steadiness of the physique.
Utility in Industries
Calcium carbonate is used within the purification and separation of iron from its ore.
It is commonly used in swimming pools for maintaining the alkalinity of water and countervailing acidic properties of the disinfectant.
As it’s heavy, calcium carbonate will increase the density of drilling fluids and helps in controlling the down hole strain. Hence it is extensively used in the oil business. It’s also added to drilling fluids as a formation bridging and filter-cake sealing agent.
Calcium carbonate can also be utilized in industries like paint, plastic, rubber, ceramic, cement, glass, steel, oil refining, and in biorock creation for mariculture of sea organisms.
The decomposition of calcium carbonate provides carbon dioxide and lime, which is of use in the glass, steel, and paper industries.
Calcium carbonate is the most preferred mineral in the paper business, used for filling and coating paper.
It is used as a filler in sealants and adhesives. Calcium carbonate can also be used within the production of mortar which is utilized for making concrete blocks, bonding bricks, rubber compounds, tiles, and many others.
Calcium carbonate is utilized in the development of buildings, roads, and different engineering works. It’s utilized in the construction business as a building materials as well as a part of cement.
Additionally it is used in the production of baking powder, dry-mix dessert mixes, dough, wine, etc., and as a part of animal feed.
Calcium carbonate crystals (calcite) have a double refraction property resulting from which they find applications in optics.
In case of whitewashing, calcium hydroxide reacts with carbon dioxide in air to kind calcium carbonate, which varieties a thin layer on the walls, giving them a gloss.
About 10 -20% calcium carbonate is present in printing and writing papers. It’s used to substitute kaolin within the manufacture of glossy paper. It is usually used to make acid-free paper.
Makes use of in Agriculture
Calcium carbonate is a main element of garden lime, often known as agricultural lime, which is used for neutralizing acidic soil and to reinforce soil quality.
Garden lime when added to soil, acts as a wealthy source of calcium for plants and increases the pH and water-retaining capacity of acidic soils.
It’s a wealthy source of calcium, and is useful for the crops. Also, it enhances the consumption of important plant nutrients like nitrogen, phosphorus, and potassium in acidic soils.
An experiment performed by Ken Simmons has proved that calcium carbonate helps neutralize the consequences of harmful acid rains in a river water ecosystem.
Floor calcium carbonate (GCC) acts as a reagent in flue-gas desulfurization purposes by eliminating sulfur dioxide emissions from coal and different fossil fuels.
It additionally helps neutralize acidic water from the mines and in the remedy of drinking in addition to waste water.
Different Makes use of
The paste of calcium carbonate and deionized water is used to wash the tarnish on silver.
It’s a food additive (designated E170) and bears the INS number 170. It’s also used as a food preservative. Calcium carbonate can also be utilized as a shade retainer for natural apples and other foods. It acts like a firming agent for many canned or bottled vegetable products.
It is used as an anti-caking agent, acidity regulator, and stabilizer in USA, Australia, EU, and New Zealand. It is usually used in soy milk and almond milk as a supply of calcium.
It is used as blackboard chalk. Finely floor calcium carbonate (GCC) is used for the preparation of microporous films in baby diapers.