PROSES PENINGKATAN KADAR FE PADA PASIR BESI MENGGUNAKAN ALAT SHAKING TABLE UNTUK MEMENUHI KEBUTUHAN INDUSTRI ALLOY STEEL SESUAI SNI

PRATAMA, ACHMAD MUSLICH and Hasjim, Machmud and Bayuningsih, Rr Yunita (2021) PROSES PENINGKATAN KADAR FE PADA PASIR BESI MENGGUNAKAN ALAT SHAKING TABLE UNTUK MEMENUHI KEBUTUHAN INDUSTRI ALLOY STEEL SESUAI SNI. Undergraduate thesis, Sriwijaya University.

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Abstract

Iron sand is one of the metal minerals that is widely used for human daily needs. The presence of main minerals such as magnetite, hematite, ilmenite, phyrite, limonite in iron sands is generally followed by other minerals such as bentonite, quartz, monazite and others. Iron sand obtained from mining either at sea or on land generally has low levels, so it needs to be processed first. In this study, to increase the Fe content in iron sand, using an shacking table. The use of this tool is intended so that iron sand has an increase in Fe content reaching 60-65% so can meet the requirements as a raw material for the stainless steel industry. In an effort to increase the iron content of iron sand in processing using a shacking table concentration device by varying the size of the riffle height and table slope measuring 1.08o, 1.62o, 2.16o, 2.7o. while the size of the height of the riffle is measuring 2mm, 4mm, -9mm. The research begins with a literature study related to this research, conducting sample preparation and determining the Fe content of the sample or iron sand feed used, as well as analyzing the levels of concentrate, middling, tailing products produced from the shacking table by varying the height of the riffle and the slope of the table. Based on the results of research that has been carried out using a shacking table concentration tool, several Fe minerals were found in the sample, namely hematite, phyrite, ilmenite, magnetite, and limonite, as for the impurity minerals, namely monazite, quartz, and bentonite. In the GCA results, the initial Fe content in the feed was 20.89%. The results showed that the highest Fe content was at 0.4mm riffle height and 2.16o table slope, which was 54.43%, and the lowest Fe content was at -9mm riffle height and 1.08o table slope, which was 38.68%. The higher the slope of the table, the higher the Fe content obtained. The smallest looses results in the variable height of the riffle -9mm and the table slope of 1.08o with a total looses of 1.37%. From the experiments conducted, the levels obtained are still below the required standard and require further processing using a magnetic separator.

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	shacking table, ketinggian riffle, kemiringan meja, pasir besi
Subjects:	T Technology > TN Mining engineering. Metallurgy > TN1-997 Mining engineering. Metallurgy
Divisions:	03-Faculty of Engineering > 31201-Mining Engineering (S1)
Depositing User:	Mr. Achmad Muslich Pratama
Date Deposited:	06 Sep 2021 03:20
Last Modified:	06 Sep 2021 03:20
URI:	http://repository.unsri.ac.id/id/eprint/53368

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