Pengaruh Bahan Elektrode pada Pengambilan Cu dan Cd secara Elektrokimia

Abdul Haris; Melani Suberta; Didik Setiyo Widodo

doi:10.14710/jksa.9.3.65-68

DOI: https://doi.org/10.14710/jksa.9.3.65-68

Pengaruh Bahan Elektrode pada Pengambilan Cu dan Cd secara Elektrokimia

Abdul Haris

, Melani Suberta, Didik Setiyo Widodo

Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University, Indonesia

Published: 1 Dec 2006.

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Abstract

Pengolahan biji tembaga menjadi tembaga banyak dilakukan menggunakan proses pemekatan melelui pencucian dan pemisahan secara fisik dengan hasil yang tidak maksimal karena sebagian logam ikut terbuang bersama pengotor logam yang lain, diantaranya kadmium ke dalam ekosistem darat dan perairan.Telah dilakukan penelitian tentang pengaruh bahan elektroda pada pengambilan tembaga dan kadmium dari campuran dengan komposisi elektrolit CuSO4 dan CdSO4 secara elektrolisis. Sel elektrolisis menggunakan variasi bahan elektroda tembaga- karbon (Cu-C), seng - karbon (Zn-C) dan karbon-karbon (C-C). Elektrolisis dijalankan dengan potensial terpasang tetap pada temperatur kamar selama 2 jam.Hasil penelitian diperoleh bahwa kuantitas pengendapan tembaga terbaik pada elektrode (Zn-C) dapat menurunkan kadar Cu2+ dari 63,5 ppm menjadi 41,5 ppm dengan efisiensi arus 32,0 %, dan elektrode (Cu-C) dapat menurunkan kadar Cd dari 112,4 ppm menjadi 94,4 ppm dengan efisiensi arus 3,8 %Kata kunci : tembaga, kadmium, elektrolisis, bahan elektroda

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Keywords: tembaga; kadmium; elektrolisis; bahan elektroda

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Section: Research Articles

Language : ID

In Vol 9, No 3 (2006): Volume 9 Issue 3 Year 2006

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