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  2. Calcium hydroxide - Wikipedia

    en.wikipedia.org/wiki/Calcium_hydroxide

    Calcium hydroxide (traditionally called slaked lime) is an inorganic compound with the chemical formula Ca 2. It is a colorless crystal or white powder and is produced when quicklime (calcium oxide) is mixed with water. Annually, approximately 125 million tons of calcium hydroxide are produced worldwide. [8]

  3. Lime (material) - Wikipedia

    en.wikipedia.org/wiki/Lime_(material)

    Pure lime is also known as rich, common, air, slaked, slack, pickling, hydrated, and high calcium lime. It consists primarily of calcium hydroxide which is derived by slaking quicklime (calcium oxide), and may contain up to 5% of other ingredients. Pure lime sets very slowly through contact with carbon dioxide in the air and moisture; it is not ...

  4. Lime - Wikipedia

    en.wikipedia.org/wiki/Lime

    Agricultural lime, a soil additive containing calcium carbonate and other ingredients; Birdlime, a sticky substance spread on branches to trap small birds; Calcium hydroxide, a.k.a. slaked lime, slack lime, limewater, pickling lime or hydrated lime Hydraulic lime, used to make lime mortar

  5. Lime softening - Wikipedia

    en.wikipedia.org/wiki/Lime_softening

    Lime softening produces large volumes of a mixture of calcium carbonate and magnesium hydroxide in a very finely divided white precipitate which may also contain some organic matter flocculated out of the raw water. Processing or disposal of this sludge material may be an additional cost to the process. Drying and re-calcining the waste allows ...

  6. Hydraulic lime - Wikipedia

    en.wikipedia.org/wiki/Hydraulic_lime

    Calcium reacts in the lime kiln with the clay minerals to produce silicates that enable some of the lime to set through hydration. Any unreacted calcium is slaked to calcium hydroxide which sets through carbonation. These are sometimes called 'semi-hydraulic lime' and include the classifications feebly and moderately hydraulic lime, NHL 2 and ...

  7. Pickled lime - Wikipedia

    en.wikipedia.org/wiki/Pickled_lime

    A lime pickle from Goa - India. Pickled limes are sometimes eaten alone, as a snack. [1] They are also an ingredient in the preparation of some sweet relishes. [1] Lime is an essential ingredient of many cuisines from India, and many varieties of pickles are made, such as sweetened lime pickle, salted pickle, and lime chutney. Preparation ...

  8. Agricultural lime - Wikipedia

    en.wikipedia.org/wiki/Agricultural_lime

    Agricultural lime, also called aglime, agricultural limestone, garden lime or liming, is a soil additive made from pulverized limestone or chalk. The primary active component is calcium carbonate . Additional chemicals vary depending on the mineral source and may include calcium oxide .

  9. Pickling (metal) - Wikipedia

    en.wikipedia.org/wiki/Pickling_(metal)

    Pickling is a metal surface treatment used to remove impurities, such as stains, inorganic contaminants, and rust or scale from ferrous metals, copper, precious metals and aluminium alloys. [1] A solution called pickle liquor , which usually contains acid , is used to remove the surface impurities.