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    • 1. 发明申请
    • Scavenger supports and the use thereof in a process for the extraction of metals
    • 清除剂支持及其在金属萃取过程中的应用
    • US20090023604A1
    • 2009-01-22
    • US11597837
    • 2005-06-13
    • David Alan PearsKevin Edward TreacherMohammed Nisar
    • David Alan PearsKevin Edward TreacherMohammed Nisar
    • C40B50/08C08F26/02C08F26/06
    • C22B3/24B01J20/02B01J20/26B01J20/265B01J20/267B01J20/32B01J20/3204B01J20/3208B01J20/3242B01J20/3244B01J20/3251B01J20/3253B01J20/3255B01J45/00C22B11/048Y02P10/214Y02P10/234Y02W30/54
    • There is provided a process for removing metal from solution wherein a solution comprising a metal is contacted with a scavenger support, whereby the scavenger support binds to at least some of the metal in solution thereby decreasing the amount of metal in solution, characterised in that the scavenger support comprises a functionalised support comprising pendant groups selected from 1,3-ketoesters or 1,3-ketoamides or mixtures thereof attached to a support wherein a number of the pendant groups are reacted with an amine. Scavenger supports comprising a functionalised support comprising pendant 1,3-ketoester or 1,3-ketoamide groups of formula 1: wherein R1 is an optionally substituted hydrocarbyl, perhalogenated hydrocarbyl or heterocyclyl group; X is O or NR2, wherein the free valence of O or NR2 is bonded to a support optionally via a linker; and R2 is hydrogen, an optionally substituted hydrocarbyl, or heterocyclyl group, wherein a number of the pendant groups are reacted with an amine are also provided. Preferred scavenger supports include scavenger supports comprising pendant 3-iminoesters, 3-iminoamides, 2,3-enaminoesters or 2,3-enaminoamides pendant groups of Formula (3) or (4): wherein R1 is an optionally substituted hydrocarbyl, perhalogenated hydrocarbyl or heterocyclyl group; X is O or NR2, wherein the free valence of O or NR2 is bonded to a support optionally via a linker; R2 is hydrogen, an optionally substituted hydrocarbyl, or heterocyclyl group; R4 is a substituent group; and R5 is hydrogen or a substituent group, or R4 and R5 may optionally be linked in such a way so as to form an optionally substituted heterocyclic ring, or tautomers or salts thereof.
    • 提供了一种从溶液中除去金属的方法,其中包含金属的溶液与清除剂载体接触,由此清除剂载体与溶液中的至少一些金属结合,从而减少溶液中的金属的量,其特征在于, 清除剂载体包括官能化载体,其包含选自1,3-酮酯或1,3-酮酰胺或其混合物的侧基,其连接到载体上,其中许多侧基与胺反应。 清除剂载体包含官能化载体,其包括1,3-酮酯或式1的1,3-酮酰胺基团:其中R 1是任选取代的烃基,全卤代烃基或杂环基; X是O或NR 2,其中O或NR 2的游离价可任意地通过连接基键合到支持物上; 并且还提供了其中多个侧基与胺反应的氢,任选取代的烃基或杂环基。 优选的清除剂载体包括清除剂载体,其包含3-氨基亚氨酸侧体,3-亚氨基酰胺,2,3-烯氨基酯或2,3-烯氨基酰胺侧基的式(3)或(4)的侧链:其中R1是任选取代的烃基,全卤代烃基或 杂环基 X是O或NR 2,其中O或NR 2的游离价可任意地通过连接基键合到支持物上; R2是氢,任选取代的烃基或杂环基; R4是取代基; 并且R 5是氢或取代基,或者R 4和R 5可以任选地以这样的方式连接,以便形成任选取代的杂环,或其互变异构体或其盐。
    • 3. 发明授权
    • Scavenger supports and the use thereof in a process for the extraction of metals
    • 清除剂支持及其在金属萃取过程中的应用
    • US09234256B2
    • 2016-01-12
    • US11597837
    • 2005-06-13
    • David Alan PearsKevin Edward Treacher
    • David Alan PearsKevin Edward Treacher
    • B01J20/02B01J20/10B01J20/26C22B3/24B01J20/32B01J45/00C22B3/00
    • C22B3/24B01J20/02B01J20/26B01J20/265B01J20/267B01J20/32B01J20/3204B01J20/3208B01J20/3242B01J20/3244B01J20/3251B01J20/3253B01J20/3255B01J45/00C22B11/048Y02P10/214Y02P10/234Y02W30/54
    • There is provided a process for removing metal from solution wherein a solution comprising a metal is contacted with a scavenger support, whereby the scavenger support binds to at least some of the metal in solution thereby decreasing the amount of metal in solution, characterized in that the scavenger support comprises a functionalized support comprising pendant groups selected from 1,3-ketoesters or 1,3-ketoamides or mixtures thereof attached to a support wherein a number of the pendant groups are reacted with an amine. Scavenger supports comprising a functionalized support comprising pendant 1,3-ketoester or 1,3-ketoamide groups of formula 1: wherein R1 is an optionally substituted hydrocarbyl, perhalogenated hydrocarbyl or heterocyclyl group; X is O or NR2, wherein the free valence of O or NR2 is bonded to a support optionally via a linker; and R2 is hydrogen, an optionally substituted hydrocarbyl, or heterocyclyl group, wherein a number of the pendant groups are reacted with an amine are also provided. Preferred scavenger supports include scavenger supports comprising pendant 3-iminoesters, 3-iminoamides, 2,3-enaminoesters or 2,3-enaminoamides pendant groups of Formula (3) or (4): wherein R1 is an optionally substituted hydrocarbyl, perhalogenated hydrocarbyl or heterocyclyl group; X is O or NR2, wherein the free valence of O or NR2 is bonded to a support optionally via a linker; R2 is hydrogen, an optionally substituted hydrocarbyl, or heterocyclyl group; R4 is a substituent group; and R5 is hydrogen or a substituent group, or R4 and R5 may optionally be linked in such a way so as to form an optionally substituted heterocyclic ring, or tautomers or salts thereof.
    • 提供了一种从溶液中除去金属的方法,其中包含金属的溶液与清除剂载体接触,由此清除剂载体与溶液中的至少一些金属结合,从而减少溶液中的金属的量,其特征在于, 清除剂载体包括官能化载体,其包含选自1,3-酮酯或1,3-酮酰胺或其混合物的侧基,所述支链与支链反应,其中许多侧基与胺反应。 清除剂载体包含官能化载体,其包括1,3-酮酯或式1的1,3-酮酰胺基团:其中R 1是任选取代的烃基,全卤代烃基或杂环基; X是O或NR 2,其中O或NR 2的游离价可任意地通过连接基键合到支持物上; 并且还提供了其中多个侧基与胺反应的氢,任选取代的烃基或杂环基。 优选的清除剂载体包括清除剂载体,其包含3-氨基亚氨酸侧体,3-亚氨基酰胺,2,3-烯氨基酯或2,3-烯氨基酰胺侧基的式(3)或(4)的侧链:其中R1是任选取代的烃基,全卤代烃基或 杂环基 X是O或NR 2,其中O或NR 2的游离价可任意地通过连接基键合到支持物上; R2是氢,任选取代的烃基或杂环基; R4是取代基; 并且R 5是氢或取代基,或者R 4和R 5可以任选地以这样的方式连接,以形成任选取代的杂环,或其互变异构体或其盐。