| 摘要 |
PROBLEM TO BE SOLVED: To provide an efficient metal extraction method using organisms from a used electronic equipment part, such as a wasted electronic substrate.SOLUTION: An acidophilic thiobacillus ferrooxidans, Sulfobacillus thermosulfidooxidans NE106G strain, or a microbial mixture containing it is cultured with a dilute sulfuric acid culture medium, in which low concentration ferrous ion is added, and subsequently is brought into contact with a metal-containing electronic part, such as a wasted electronic substrate to extract and recover a valuable metal.SELECTED DRAWING: Figure 5 |
