why limestone is used in the making of cement

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What are some uses of limestone? - Quora

Apr 11, 2016· Limestone is mainly calcium carbonate(CaCo3), when it is heated it is decomposed in calcium oxide(cao) and cabon dioxide(Co2)It is a valuable natural resource used ....

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Raw Materials Used For Manufacturing of Cement

Raw materials used for manufacturing of Portland cement are found naturally in the earth crust It is made primarily from calcareous materials, argillaceous materials and gypsum Calcareous materials containing limestone or chalk and argillaceous materials containing an oxide of silica-alumina and iron are found as clay or shale...

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The Suitability Of Limestone Aggregates For Use In ,

The Suitability Of Limestone Aggregates For Use In Structural Concrete The following is an excerpt of a presentation made by Mr Gordon Hutchinson at a seminar hosted by John's Hall Aggregates Limited entitled "The future of Construction Aggregates" held on June 13, 2012 at the Lecture Theatre, Montego-Bay Community College...

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why is limestone used in cement/concrete? | Yahoo Answers

Oct 22, 2006· Limestone is a very strong rock and is often cut into large blocks and used in the construction of buildings and skyscrapers Crushed limestone is also used to make cement, plaster and chalkLimestone fizzes in vinegar, which means that it reacts to acids...

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Limestone - Wikipedia

Limestone was most popular in the late 19th and early 20th centuri Train stations, banks and other structures from that era are normally made of limestone It is used as a facade on some skyscrapers, but only in thin plates for covering, rather than solid blocks...

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How is limestone used to make cement? - Quora

Depending on the raw materials, cement is made by heating a powdered mixture of the following raw materials to ~1400°C in a rotary kiln;- ~70 -90% limestone (CaCO3), ~5 - 20% clays, or alumina, bauxite etc (mostly Al2O3, but also some Fe2O3 & SiO....

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The importance of cement and concrete - Daily Monitor

Cement is a water-based binder used to bind other building materials together It is used in the production of mortar and concrete during the construction process...

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Limestone As A Construction Material In Building Industry ,

Nov 09, 2015· Limestone today serves one key role which cannot go unmentioned Limestone is the raw material in manufacture of cement Cement is key in construction industry as it is used in various construction mixtures, to meet specific needs such as manufacture of composite concrete block, in holding building blocks in place over and above finishing such as flooring...

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33 - Raw Materials for Cement Manufacture

The ingredients listed above include both naturally occurring materials such as limestone and clay, and industrial byproduct materials such as slag and fly ash From Table 33 it may seem as if just about any material that contains one of the main cement elements can be ,...

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How is concrete made from limestone? - The Shelly Company

Jan 29, 2014· How is concrete made from limestone? January 29, 2014 By e3admin , In addition to the value of limestone slabs quarried for building materials, limestone is also used in cement A discussion about cement requires a distinction between cement and concrete: although the two terms are often used interchangeably ....

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Calcium carbonate - Essential Chemical Industry

Three types of calcium carbonate-containing rock are excavated and used by industry They are limestone, chalk and dolomite Limestone and chalk are both forms of calcium carbonate and dolomite is a mixture of calcium and magnesium carbonat All have impurities such as ,...

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Manufacturing process | Lafarge - Cement, concrete ,

The cement manufacturing process starts from the mining of raw materials that are used in cement manufacturing, mainly limestone and clays A limestone quarry is inside the plant area and a clays quarry is as far from the plant area as 25 km...

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Raw materials - Understanding Cement

If you happen to be a geologist, the raw materials quarry is probably the most interesting part of a cement works, maybe unless you view the clinkering process as igneous rocks in the making The most common raw rock types used in cement production are: Limestone (supplies the bulk of the lime)...

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How Cement Is Made

After the clinker is cooled, cement plants grind it and mix it with small amounts of gypsum and limestone Cement is so fine that 1 pound of cement contains 150 billion grains The cement is now ready for transport to ready-mix concrete companies to be used in a variety of construction projects...

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The effects of limestone aggregate on concrete properties ,

The use of limestone in the construction industry has been increasing due to benefits as aggregate Some of these benefits include good strength, low possibility of alkali-silica reaction and the decrease in drying shrinkage in concrete This research discusses the consumption and general characteristics of the limestone aggregate in USA and Japan...

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Cement - Wikipedia

A cement is a binder, a substance used for construction that sets, hardens, and adheres to other materials to bind them together Cement is seldom used on its own, but rather to bind sand and gravel togetherCement mixed with fine aggregate produces mortar for masonry, or with sand and gravel, produces concreteCement is the most widely used material in existence and is only behind water as ....

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Why is limestone used in steelmaking - Answers

- Limestone is used in cement and mortar - Limestone is used in bread and cereals as a source of calcium - Limestone is used to make paper white -Limestone is used to purify sugar -Pulverized ....

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Why is limestone good for making cement - Answers

The sedimentary rock that is used in making cement is limestone Cement, which is used in making concrete, is a mixture of marl and lime Asked in Rocks and Minerals...

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Limestone: The Calcium Carbonate Chemical Sedimentary Rock

Limestone is used to produce Portland cement, as aggregate in concrete and asphalt, and in an enormous array of other products, making it a truly versatile commodity Portland cement is essential to the building industry, but despite our Nation's abundance of limestone, there have been cement shortages in recent years...

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Why is limestone good for making cement - Answers

The sedimentary rock that is used in making cement is limestone Cement, which is used in making concrete, is a mixture of marl and lime Asked in Rocks and Minerals...

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