PROCESS AND AGENTS TO REMOVE METALS FROM HIGH-BOILING HYDROCARBON FRACTIONS
    5.
    发明申请
    PROCESS AND AGENTS TO REMOVE METALS FROM HIGH-BOILING HYDROCARBON FRACTIONS 审中-公开
    从高沸点碳氢化合物中去除金属的工艺和代理

    公开(公告)号:US20130180887A1

    公开(公告)日:2013-07-18

    申请号:US13811510

    申请日:2011-07-21

    IPC分类号: C10G29/28 C10G29/20

    摘要: The object of the invention is a process and agents to remove metal contaminants from hydrocarbon fractions like those obtained as a product from the Fischer-Tropsch synthesis involving the use of suspended catalyst. As per the present invention, the feed hydrocarbon fraction is treated with a demetallizing agent, comprising at least one sulfur source and at least one basic compound, under anhydrous conditions. The metals to be removed are obtained in the form of precipitate that can be easily separated by means of a mechanical separation process such as filtration, for example.

    摘要翻译: 本发明的目的是从包含使用悬浮催化剂的费 - 托合成产物得到的烃馏分中除去金属污染物的方法和试剂。 根据本发明,在无水条件下,用含有至少一种硫源和至少一种碱性化合物的脱金属剂处理进料烃馏分。 要除去的金属以沉淀物的形式获得,其可以通过诸如过滤的机械分离方法容易地分离。

    Process for the continuous recovery of free tartaric acid from raw materials containing potassium hydrogentartrate
    6.
    发明授权
    Process for the continuous recovery of free tartaric acid from raw materials containing potassium hydrogentartrate 失效
    从含有酒石酸钾的原料中连续回收游离酒石酸的方法

    公开(公告)号:US07311837B2

    公开(公告)日:2007-12-25

    申请号:US10789704

    申请日:2004-02-26

    IPC分类号: B01D11/00

    摘要: In a process for the continuous recovery of free tartaric acid from raw materials containing potassium hydrogentartrate, the same are mixed with water and the potassium hydrogentartrate is dissolved. The process is improved in that the suspension is decanted, the clarified liquid is refiltered, the filtrate is cooled to crystallization temperature under a vacuum, the potassium hydrogentartrate crystals formed are dissolved, the solution is subjected to a cation exchange, and the tartaric acid solution obtained is evaporated.

    摘要翻译: 在含有氢化酒石酸钾的原料中连续回收游离酒石酸的方法中,将其与水混合,并溶解氢化酒石酸钾。 改进方法是将悬浮液倾析,将澄清的液体重新过滤,将滤液在真空下冷却至结晶温度,形成的氢化酒石酸钾晶体溶解,将溶液进行阳离子交换,并将酒石酸溶液 获得的蒸发。