Pengaruh Waktu Periodik Penambahan Reagent Pada Proses Rougher Flotation Terhadap Grade dan Recovery Logam Tembaga Dan Emas

Prameswari, Ibriziani Anissa (2021) Pengaruh Waktu Periodik Penambahan Reagent Pada Proses Rougher Flotation Terhadap Grade dan Recovery Logam Tembaga Dan Emas. Undergraduate thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

Tembaga merupakan salah satu logam yang banyak digunakan dalam industri dan keberadaannya di Indonesia. Bijih tembaga diproses untuk meningkatkan kemurnian dari tembaga. Bijih yang digunakan adalah bijih tembaga dari tambang di Papua. Penelitian ini bertujuan untuk menganalisis pengaruh dari waktu penambahan reagen terhadap grade dan recovery dari tembaga dan emas hasil proses flotasi. Proses flotasi dilakukan selama 16 menit pada pH 10.5 dengan dosis reagen antara lain, kolektor 7249 61.93 µl, kolektor SIBX 3 ml, dan frother OTX-140 22.8 µl. Reagent ditambahkan pada periode waktu tertentu serta dilakukan pengambilan konsentrat pada periode waktu tertentu. Dilakukan pengujian AAS untuk mengetahui unsur serta persentase kandungan pada hasil proses flotasi. Didapatkan hasil variasi C100F80 menghasilkan nilai grade tembaga sebesar 5,39% dan grade emas 3,91 ppm. Didapatkan recovery tembaga sebesar 96,36% dan recovery emas 83,95% dengan variasi C100F80. Variasi C100F80 menjadi variasi yang paling baik dengan mendapatkan nilai separation efficiency yang paling tinggi yaitu 79,64% tembaga dan 65,39% emas. Dengan variasi C100F80, didapatkan revenue sebesar 230.703.216.291 USD untuk produksi 2.184.582 ton bijih.

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Copper is one of the metals that is widely used in industry and its presence in Indonesia. Copper ore is processed to increase the purity of copper. The ore used is copper ore from mines in Papua. This study analyzes the effect of reagent addition time on the grade and recovery of copper and gold resulting from the flotation process. The flotation process was carried out for 16 minutes at pH 10.5 with reagent doses, among others, collector 7249 61.93 l, collector SIBX 3 ml, and frother OTX-140 22.8 l. Reagents are added at a certain period, and the concentrate is taken at a certain period. AAS testing was conducted to determine the elements and percentage of content in the flotation process results. The results obtained from the variation of C100F80 resulted in copper grade values of 5.39% and gold grades of 3.91 ppm. The copper recovery is 96.36%, and the gold recovery is 83.95%, with variations of C100F80. The C100F80 variation is the best variation by obtaining the highest separation efficiency values, namely 79.64% copper and 65.39% gold. With the variation of C100F80, the revenue was 230,703,216,291 USD for the production of 2,184,582 tons of ore.

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	copper, flotation, recovery, grade, reagent, tembaga, flotasi, recovery, grade, reagent
Subjects:	Q Science > QD Chemistry > QD63.S4 Separation (Technology) T Technology > TN Mining engineering. Metallurgy T Technology > TN Mining engineering. Metallurgy > TN689+ Physical metallurgy
Divisions:	Faculty of Industrial Technology and Systems Engineering (INDSYS) > Material & Metallurgical Engineering > 28201-(S1) Undergraduate Thesis
Depositing User:	Ibriziani Anissa Prameswari
Date Deposited:	13 Aug 2021 21:33
Last Modified:	13 Aug 2021 21:33
URI:	http://repository.its.ac.id/id/eprint/85989

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