Title:
浸出廃液からのコバルトおよびニッケルの選択的回収におけるイオン交換樹脂を用いた複合プロセス
Document Type and Number:
Japanese Patent JP5282027
Kind Code:
B2
Abstract:
The present invention is directed to a hybrid process using ion exchange resins in the selective recovery of nickel and cobalt of leaching effluents that is comprised of the steps of processing (1) the laterite ore (M), which is then treated through leaching (2) (either atmospheric or under pressure), considering solutions from the solid-liquid separation step of existing plants already in operation (2) as well, in a way that the downstream process comprises an ion exchange hybrid circuit, wherein the first ion exchange step (3) with resins (Re) exhibits specific selectivity conditions for the removal of iron, aluminum and copper and an increased pH, and the second ion exchange step (4) allows the removal of nickel and cobalt.
Inventors:
Renato de Souza Costa
Flavia dutra mendes
Flavia dutra mendes
Application Number:
JP2009503374A
Publication Date:
September 04, 2013
Filing Date:
February 02, 2007
Export Citation:
Assignee:
Compania Bared Rio Doce
International Classes:
C22B23/00; B01J49/00; C02F1/42; C22B3/04; C22B3/42
Domestic Patent References:
| JP2003512525A | ||||
| JP53037520A | ||||
| JP53106789A | ||||
| JP57019344A | ||||
| JP53013573B1 |
Attorney, Agent or Firm:
Masatake Suzuki