Saputra, Nicky Dwi (2021) Analisis Pengaruh Variasi Kecepatan Pengadukan Terhadap Proses Leaching Feronickel Produk Dari Mini Blast Furnace Untuk Sintesis Niso4.6h2o. Undergraduate thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Nikel merupakan salah satu logam yang banyak diaplikasikan dalam dunia industri, salah satunya dalam industri baterai. Berkembangnya industri electric vehicle di Indonesia membuat kebutuhan akan baterai semakin meningkat. Salah satu jenis baterai yang memiliki sifat unggul adalah baterai NMC (Nickel Manganese Cobalt). Nikel yang digunakan dalam pembuatan baterai NMC bukanlah berupa logam Ni, melainkan berupa senyawa Nickel (II) Sulphate Hexahydrate (NiSO4.6H2O). Bahan yang digunakan adalah feronickel hasil smelting dari mini blast furnace. Tujuan penelitian ini adalah untuk menganalisis pengaruh variasi kecepatan pengadukan pada proses leaching terhadap persen ekstraksi, recovery, komposisi kimia, dan senyawa dari NiSO4.6H2O. Proses leaching menggunakan larutan H2SO4 2M sebanyak 120 ml. Leaching dilakukan pada temperatur 90 °C selama 6 jam dengan variasi kecepatan pengadukan sebesar 100, 200, dan 300 rpm. Persentase ekstraksi nikel yang paling baik didapatkan pada kecepatan pengadukan 100 rpm, yaitu sebesar 83%. Selanjutnya dilakukan proses netralisasi dengan menggunakan larutan NaOH dan filtrat hasil netralisasi dilakukan proses kristalisasi. Produk hasil kristalisasi ialah senyawa NiSO4.6H2O dengan kandungan nikel tertinggi pada variasi kecepatan pengadukan 200 rpm yaitu 17,81% dan didapatkan nilai recovery tertinggi pada kecepatan pengadukan 200 rpm, yaitu sebesar 85%. Namun, pada produk hasil kristalisasi masih terdapat senyawa lain seperti Na2SO4, FeSO4, dan CoSO4. Hal ini menandakan belum maksimalnya proses netralisasi.
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Nickel is a metal that is widely applied in the industrial world, one of which is the battery industry. The development of the electric vehicle industry in Indonesia has increased the need for batteries. One type of battery that has superior properties is the NMC (Nickel Manganese Cobalt) battery. The nickel used in the manufacture of NMC batteries is not in the form of Ni metal but in the form of a Nickel (II) Sulphate Hexahydrate (NiSO4.6H2O) compound. The material used is ferronickel smelting from a mini blast furnace. The purpose of this study was to analyze the effect of variations in stirring speed on the leaching process on recovery, chemical composition, and compounds of NiSO4.6H2O. The leaching process uses a 120 ml H2SO4 2M solution. Carried out at a temperature of 90 ° C for 8 hours with a variation of the stirring speed of 100, 200, and 300 rpm. The best percentage of nickel extraction was obtained at a stirring speed of 100 rpm at 83%. Furthermore, the neutralization process is carried out using NaOH solution and the filtrate results from the neutralization are carried out by the crystallization process. The crystallized product obtained NiSO4.6H2O compound with the highest nickel content at the 200 rpm stirring speed variation of 17.81% and the highest recovery value was obtained at the 200 rpm stirring speed of 85%. However, in the crystallized products there are other compounds such as Na2SO4, FeSO4, and CoSO4. This indicates that the neutralization process has not been maximized.
| Item Type: | Thesis (Undergraduate) |
|---|---|
| Uncontrolled Keywords: | baterai NMC, nikel laterit, feronickel, NiSO4.6H2O, leaching . ========================================================= NMC battery, nickel laterite, ferronickel, NiSO4.6H2O, leaching. |
| Subjects: | T Technology > TN Mining engineering. Metallurgy > TN799.N6 Nickel--Metallurgy T Technology > TP Chemical technology > TP156 Crystallization. Extraction (Chemistry). Fermentation. Distillation. Emulsions. |
| Divisions: | Faculty of Industrial Technology > Material & Metallurgical Engineering > 28201-(S1) Undergraduate Thesis |
| Depositing User: | Nicky Dwi Saputra |
| Date Deposited: | 26 Feb 2021 02:25 |
| Last Modified: | 26 Feb 2021 02:26 |
| URI: | http://repository.its.ac.id/id/eprint/82787 |
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