| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a method which is used for recovering valuable materials from a discarded printed board such as waste package board and in particular, capable of effectively separating and recovering such valuable materials, more specifically, metals. SOLUTION: This method for recovering valuable materials from a discarded printed board consisting of a resin part and a circuit part, comprises decomposing a resin component in the resin part also containing glass fiber or the like and thereafter, dissolving metals which are constituent components of the circuit part, to recover the metals from the discarded printed board.</p> |
