Extraction of Tin (Sn) from Solder Dross by Using Citric Acid Leaching Treatment

Syarifah Aminah Ismail; Noorina Hidayu Jamil; Hussin Kamarudin; Mohd Arif Anuar Mohd Salleh

doi:10.4028/www.scientific.net/AMM.754-755.571

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 754-755Extraction of Tin (Sn) from Solder Dross by Using...

Extraction of Tin (Sn) from Solder Dross by Using Citric Acid Leaching Treatment

Abstract:

Solder dross containing Sn, Ni, Cu, Zn, Fe and other impurities was leached with 0.1-1.0 M citric acid at 60 °C for 24 hours stirring times. Parameter affecting the tin recovery of suggested method such as acid concentration, stirring time and temperature were investigated. Results obtained revealed that the optimum leaching parameter were achieved using 250ml of citric acid (C₆H₈O₇) and 10 acid/g drossfor 24 hours at 60°Cof solution temperature. Recovery of tin from solder dross was 99.0%.