To provide a method for treating a waste printed circuit board by which the waste printed circuit board is efficiently treated and further is changed to more worthy valuables.
The method for treating the waste printed circuit board includes a first process where the waste printed circuit board which is roughly crushed in advance and used as a raw material, is charged into a rotary kiln, and heated with superheated steam so as to carbonize the part except included metals, a second process where the waste printed circuit board treated in the first process is crushed to obtain the powder containing carbonized products and ceramics and other particulates consisting of metals, and a third process for separating the particulates from the powder, produced in the second process.
COPYRIGHT: (C)2010,JPO&INPIT
Takaaki Tsumura
Tokuda Satoshi
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Yoshihiro Kurita