Preparation of a high purity and high concentration hydroxylamine free base
    1.
    发明授权
    Preparation of a high purity and high concentration hydroxylamine free base 失效
    制备高纯度和高浓度羟胺游离碱

    公开(公告)号:US07396519B2

    公开(公告)日:2008-07-08

    申请号:US10764681

    申请日:2004-01-26

    IPC分类号: C01B21/00

    摘要: A high purity aqueous solution of hydroxylamine product is prepared by treating an aqueous solution of hydroxylammonium salt with a base like ammonia at low temperatures. A novel process can be carried out by separating the ammonium salt side product from hydroxylamine with a low temperature filtration and a resin-exchange process. The concentration of the hydroxylamine product is further improved by a safe distillation process that produces a high purity and high concentration hydroxylamine product with reduced risks of explosion.

    摘要翻译: 羟胺产物的高纯度水溶液通过在低温下用氨如氨基处理羟基铵盐水溶液来制备。 可以通过低温过滤和树脂交换过程将铵盐副产物与羟胺分离来进行新的方法。 通过安全蒸馏方法进一步提高了羟胺产物的浓度,该方法产生具有降低的爆炸危险的高纯度和高浓度的羟胺产物。

    Preparation of a high purity and high concentration hydroxylamine free base
    2.
    发明申请
    Preparation of a high purity and high concentration hydroxylamine free base 失效
    制备高纯度和高浓度羟胺游离碱

    公开(公告)号:US20050163694A1

    公开(公告)日:2005-07-28

    申请号:US10764681

    申请日:2004-01-26

    IPC分类号: C01B21/14 C07C239/20 C01C1/00

    摘要: A high purity aqueous solution of hydroxylamine product is prepared by treating an aqueous solution of hydroxylammonium salt with a base like ammonia at low temperatures. A novel process can be carried out by separating the ammonium salt side product from hydroxylamine with a low temperature filtration and a resin-exchange process. The concentration of the hydroxylamine product is further improved by a safe distillation process that produces a high purity and high concentration hydroxylamine product with reduced risks of explosion.

    摘要翻译: 羟胺产物的高纯度水溶液通过在低温下用氨如氨基处理羟基铵盐水溶液来制备。 可以通过低温过滤和树脂交换过程将铵盐副产物与羟胺分离来进行新的方法。 通过安全蒸馏方法进一步提高了羟胺产物的浓度,该方法产生具有降低的爆炸危险的高纯度和高浓度的羟胺产物。