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Husnul Hatimah, Husnul
Jurusan Gizi Politeknik Kesehatan Kemenkes Banjarmasin
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Journal : Metalurgi

 1 
OPTIMIZATION OF LATERITE ORE GRINDING PROCESS USING BALL MILL WITH RESPONSE SURFACE METHOD Prameswara, Gyan; Tyassena, Flaviana Yohanala Prista; Amin, Idi; Hatimah, Husnul
Metalurgi Vol 37, No 3 (2022): Metalurgi Vol. 37 No. 3 Desember 2022
Publisher : National Research and Innovation Agency (BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (788.874 KB) | DOI: 10.14203/metalurgi.v37i3.655

Abstract

Dependence and interaction between several operating conditions that affect the grinding process using a ball mill such as the number of balls, grinding duration, and rotational speed on particle size at 80% product mass (P80) and mineral liberation have been obtained in this study using a CCD (central composite design) of response surface method (RSM). The grinding process was carried out in a cylindrical ball mill with a diameter and length of 18.6 cm and 21.5 cm, respectively, as well as a steel ball with a diameter of 2.5 cm and a weight of 100 grams/ball. The optimum data for the grinding process was obtained with the smallest response value of P80. It was known that the number of balls and grinding duration have a significant effect on the reduction of the P80 value in the sample. The model that can describe the influence of process variables on the P80 value was obtained with good accuracy. The character of the mineral content of the sample was observed with the X-Ray Diffraction (XRD) pattern and the elemental concentration. Minerals that have a smaller hardness scale are easier to liberate and more exposed. The P80 value of the initial material was 1560.89 µm, while at the optimum condition the P80 grinding process was reduced to 513.29 µm.
Co-Authors - Khaeruman Abrar Abira Adnyana, I Gusti Agung Putra Afriani Afriani Ahmad Faisal AHMADI Ali Djamhuri Aliefman Hakim Alini, Alini Amelia Indah Kusdewanti Andi Ichsan Mahardika Angraini, Siti Sarmila Arief, M. Miftah Aristyarini, Rizki Asmawati Asmawati Aulia, Nanda Rizky Baiq Asma Nufida Baiq Rina Amalia Safitri Dahlia Rosma Indah Desimal, Iwan Djalal, Muspirah Ekowati, Wiwik Hidayah Farahdiba, Andi Nur Fathanah, Nurul Fidiawati, Fidiawati Fizi, Ridhani Flaviana Yohanala Prista Tyassena Gustam, Andriyana Gyan Prameswara Hak, Ahsanul Hasmiyani, Hasmiyani Helda Helda Hendrawani, Hendrawani Herti Prastitasari Hidayat, Serli Hatul Hulyadi, Hulyadi Ida Ayu Putu Sri Widnyani Idi Amin Idi Amin, Idi Insani, Tazkiatun Jamaluddin Jannah, Binti Shofiatul Joni Rokhmat Khaeratul, Riza Khasanah, Uswatul Kurniawan, Eka M. Bakhrul Widianto Madjid, Tahmid Maeni, Maeni Mahdatul Ardawiah Mardhia, Dwi Maulita Wulandari Meilla Dwi Andrestian, Meilla Dwi Miftah Farid Muh. Fahrurrozi Muhammad Asfar Muhammad Fauzi Zulkarnaen Muhtar Lutfi, Lutfi Mulyono, Ana Munidewi, Ida Ayu Budhananda Nani Fitriono, Eko Neri Kautsari Nisa Raisa Shaleha Nurhalisa Nurulrahmatia, Nafisah NURWAHIDAH NURWAHIDAH Pahriah, Pahriah Puji Muniarty Purnamaimun, Ita Putra, Ardi Manggala Putri Alfina Riwayatin Qudratullah, Qudratullah Rahmad Kurniawan Ratna Azizah Mashami, Ratna Azizah Raudatul Aslamiah Risna Risna, Risna Rosa, Lediana Sahrahman, Sahrahman Sakban, Abdul Salsabila, Unik Hanifah Shomita Fitrotun Nisa Soerachmad, yuliani Sofrayani, Sofrayani Sri Rejeki Sukarasa, I Ketut Sukarso, Aa Suryati Suryati Syahrani, Dania Syahrul Azmi Syamsul Bahri Tahir, Mulyati M. Titin Usmawati, Melisa Ulfah, Emilya Wati, Febriana Lidia Wulandari, Shely Yeni Puspita Yeti Kurniasih Yudi Ahdiansyah, Yudi Yusran Khery, Yusran Zahra, Lutfiatuz Zainab Addhahra