Phosphate rock and Phosphorite, calcined

Phosphate rock and Phosphorite, calcined 化学特性,用途語,生産方法

• 解説

  燐灰土，燐酸石灰に不純物を混じた白色または灰褐色の土。脊椎動物の骨格・排泄物などが堆積したもの。燐分の多いものは人造肥料の原料となる。最初は燐灰石に対する名称であったが，現在は堆積岩でP2O5が19.5％以上含まれているものに用いられる［Kirwan : 1794, Pettijohn : 1975］．ギリシャ語のphos-phorusは光をもたらす意味．

• 农业用途

  Phosphorite or mineral phosphate is made by grinding rock phosphate, a natural mineral found in the form of sedimentary rocks containing various calcium phosphates. It is used as a phosphatic fertilizer, and is a primary source of phosphorus. It is a mineral containing calcium phosphate with hydroxyl groups or is hydroxy apatite.
  Phosphorite is a continental phosphatic rock, consisting of concretions of collophanite, found in decalcification clays. The most famous phosphorites are from Causses du Quercy (France).

Phosphate rock and Phosphorite, calcined 上流と下流の製品情報

Phosphate rock and Phosphorite, calcined 生産企業

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