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    • 4. 发明授权
    • Calcium hypochlorite composition containing magnesium and process for
making same
    • 含有次氯酸钙的组合物及其制造方法
    • US4108792A
    • 1978-08-22
    • US781372
    • 1977-03-25
    • Douglas A. Farmer, Jr.John A. Wojtowicz
    • Douglas A. Farmer, Jr.John A. Wojtowicz
    • C01B11/06C11D3/395D06L3/08
    • C01B11/064C01B11/06
    • The present invention describes a solid calcium hypochlorite composition comprising calcium hypochlorite and about 0.5% to about 50% by weight of substantially water-insoluble and unchlorinated magnesium compounds, said magnesium compounds being derived from impure hydrated lime. Furthermore, the present invention describes a process for making this composition, which is an improvement in the known process for the manufacture of a solid calcium hypochlorite composition wherein an aqueous slurry comprising a hydrated lime, a mixture of hydrated lime and at least one alkali metal hydroxide, or a mixture of hydrated lime and at least one alkali metal hypochlorite, is chlorinated to form an aqueous chlorinated slurry containing calcium hypochlorite and further processing said chlorinated slurry to recover a solid calcium hypochlorite composition.
    • 本发明描述了一种包含次氯酸钙和约0.5%至约50%重​​量的基本上不溶于水和未氯化镁化合物的固体次氯酸钙组合物,所述镁化合物衍生于不纯的熟石灰。 此外,本发明描述了一种制备该组合物的方法,其是制备固体次氯酸钙组合物的已知方法的改进,其中包含熟石灰,熟石灰和至少一种碱金属的混合物 氢氧化物或熟石灰与至少一种碱金属次氯酸盐的混合物被氯化以形成含有次氯酸钙的含水氯化浆料,并进一步处理所述氯化浆料以回收固体次氯酸钙组合物。