This paper presents the experimental results for the leaching of printed circuit boards (PCB) from obsolete computers for extracting and recovering tin and copper by means of leaching followed by precipitation. Printed circuit boards were dismantled cut into small pieces and fed into a cylinder mill.
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Chat OnlineOct 15 2009 · Here s a bucket of crushed powder that I produced by running circuit boards through a ball mill and sieving it. The leftover small pieces of board that don t crush but were worn clean get leached in a separate bucket. You can clearly see metallics in
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Chat Online45 27 (2012) 45-50 TIN RECOVERY BY RECYCLING OF PRINTED CIRCUIT BOARDS FROM OBSOLETE COMPUTERS IN BRAZIL A.E.C. Peres1 C.A. Pereira2 A.H. Martins1 1 Universidade Federal de Minas Gerais Department of Metallurgical and Materials Engineering Av. Antonio Carlos 6627 Pampulha.
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Chat Online45 27 (2012) 45-50 TIN RECOVERY BY RECYCLING OF PRINTED CIRCUIT BOARDS FROM OBSOLETE COMPUTERS IN BRAZIL A.E.C. Peres1 C.A. Pereira2 A.H. Martins1 1 Universidade Federal de Minas Gerais Department of Metallurgical and Materials Engineering Av. Antonio Carlos 6627 Pampulha.
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