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Extraction of cobalt directly from pressure acid leach solutions using electrostatic pseudo liquid membrane (ESPLIM)

机译:使用静电假液膜(ESPLIM)直接从加压酸浸溶液中萃取钴

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The extraction of cobalt from synthetic pressure acid leach solutions of nickel laterite ores by the direct solvent extraction route using ESPLIM is reported. It first explored the use of gaseous ammonia as pH modifier and then the variables that affect the dispersion of the aqueous phase in the organic phase such as ionic strength, viscosity of the phases, initial droplet size, etc. were explored so that phase hold-up and thus extraction can be effectively controlled. The results show that the technique allows better control of phase dispersion circumventing one of the main weaknesses of conventional solvent extraction.
机译:据报道,使用ESPLIM通过直接溶剂萃取路线从红土镍矿矿石的合成压力酸浸溶液中萃取钴。它首先探索了使用气态氨作为pH调节剂,然后研究了影响水相在有机相中分散的变量,例如离子强度,相的粘度,初始液滴尺寸等,从而使相保持-从而可以有效地控制提取。结果表明,该技术可以更好地控制相分散,从而避免了常规溶剂萃取的主要缺点之一。

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