METHOD FOR RECYCLING VALUABLE COMPONENTS FROM CLEANING WASTEWATER OF PRINTED CIRCUIT BOARD

摘要

PURPOSE: A method for recycling valuable components from cleaning wastewater of printed circuit board (PCB) is provided. CONSTITUTION: The method is characterized in that cleaning wastewater containing gold generated during electroless gold plating process passes through nano filter cloth(21) and reverse osmosis membrane(27) at 5 to 40 atmosphere and at 20 to 50 deg.C.