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| Singleton Birch Latest News Items |
| New Quarry Reserves Development at Melton Ross >>READ MORE |
| Singleton Birch Ltd now offer APCR haulage >>READ MORE |
| Singleton Birch Ltd win several Mineral Products Association accolades! >>READ MORE |
| Singleton Birch are proud to sponsor local youth football teams! >>READ MORE |
| Singleton Birch were proud to sponsor the 26th Brocklesby Country Fair >>READ MORE |
| ...Click here for more news |
Lime Cycle:Download |
| The lime cycle picture >>CLICK HERE TO DOWNLOAD FILE |
| Lime Cycle |
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The Lime Cycle is one of nature`s best known examples of chemistry. This classic series of chemical reactions is the basis for numerous applications, many of which affect our lives every day. The image above illustrates how chalk or limestone (calcium carbonate) turns into quicklime after heating, then into hydrated lime (slaked lime or calcium hydroxide) after adding water and finally back into chalk by combining with carbon dioxide from the air. The reactions involved in lime manufacture are: Calcining or burning of chalk to produce quicklime CaCO3 + HEAT = CaO + CO2 Hydration or slaking of quicklime to produce hydrated lime CaO + H2O = Ca(OH)2 Carbonation of hydrated lime to produce chalk (sometimes known as precipitated calcium carbonate or PCC). Ca(OH)2 + CO2 = CaCO3 |
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