Proceeding Indonesian Process Metallurgy (IPM) IV, 2014 iv DAFTAR ISI SESI I: KEYNOTE SPEECH I ......................................................................................... 1 Keynote Speech I:Value-added through Downstream Processing of Mineral Products ...... 2 Rozik B. Soetjipto Keynote Speech II :Business Strategy for Development, Manufacturing and Refining Bauxite, Nickel and Gold ....................................................................................................... 7 Tedy Badrujaman Keynote Speech III: Kewajiban Pengolahan dan Pemurnian: Kriteria Smelter ................. 13 Prof. Dr. Ir. Syoni Soepriyanto, M.Sc Keynote Speech IV:Ferroalloys and Ferronickel Smelting ................................................ 18 Riaan van der Merwe SESI II: MINERAL PROCESSING ............................................................................... 30 Analisis Korelasi Jumlah Hydrocyclone terhadap P80 Produk dan Performa Klasifikasi Hydrocyclone Pada Sirkit Polishing Mill PT Newmont Nusa Tenggara ............................ 31 Edy Sanwani, Muhammad Abdur Rasyid Pembuatan Nanozeolit Dan Pemanfaatannya Dalam Adsorpsi Ion Nikel Dan Khrom Dari Limbah Elektroplating ......................................................................................................... 47 Mukhlas Anugrah P, Ismi Handayani Uji Coba Pengolahan Bijih Besi Lateritik Untuk Menunjang Kebutuhan Bahan Industri Baja Nasional ....................................................................................................................... 59 Djoko Julianto SESI III: PYROMETALLURGY ................................................................................... 66 Studi Pengaruh Penambahan Jumlah Fluks pada Proses Smelting Mineral Tembaga Karbonat Menggunakan Mini Blast Furnace (MBF) .......................................................... 67 Sungging Pintowantoro, Fakhreza Abdul Potensi dan Teknologi Proses Pengembangan Bijih Besi Batuan di Jawa Barat ................ 86 Arsam Sunaryanto Peleburan Pasir Besi pada Tungku Kupola Menjadi Pig Iron Sebagai Bahan Baku Industri Besi Baja .............................................................................................................................. 96 Muhammad Amin, Suharto Analisis Korelasi JumlahHydrocycloneterhadap P80 Produk dan Performa Klasifikasi Hydrocyclonec Pada Sirkit Polishing MillPT Newmont Nusa Tenggara Edy Sanwani, Proceeding Indonesian Process Metallurgy (IPM) IV, 2014 v Analysis of Coal Oxidation Effect During Coal Storage in Coke Making Process .......... 106 Diah Lidyawatiand Bae Young Ha Soft Reduction and Electromagnetic Stirrer (EMS) Technology to Reduce Center Segregation in Continuous Casting Slab ........................................................................... 123 M. Dye Ralang Nugok, A.A Gede Pradnyana D SESI IV: KEYNOTE SPEECH II .................................................................................. 135 Keynote Speech V: Trends,Challenges and Opportunities in Process Metallurgy Research and Technology Development ........................................................................................... 136 Don Ibana Keynote Speech VI:Improving Mill Capacity and Efficiency Through Classification by Particle Sizing ................................................................................................................... 137 Jimbarlow Gultom Keynote Speech VII: An Update of the solvent Extraction Process for the Extraction and Refining of Metals .............................................................................................................. 152 Peter Haig Keynote Speech VIII:Sustainable Throughput and Recovery Improvement..................... 168 Dadang Prananta SESI V: HYDROMETALLURGY ................................................................................ 170 Opportunity on Non-Thermal Plasma Application in Mining Industry ............................ 171 Anto Tri Sugiarto and Rini Permanawati Copper Refinery Evolution through the Years at PT. Smelting ......................................... 178 Sugeng W. and T. Matsutani Pemisahan Kobalt dari Nikel dalam Larutan Sulfat Menggunakan Ekstraktan Na-Cyanex 272 ..................................................................................................................................... 187 V. Risqyana, M.Z. Mubarok, S. Purwadaria Direct Solvent Extraction As Purifying Step For Nitric Acid Leach Solution—Aluminium And Zinc Separation with Cyanex 272 .............................................................................. 205 Z. Tanlega, D. Ibana Proceeding Indonesian Process Metallurgy (IPM) IV, 2014 vi SESI VI: PHYSICAL METALLURGY ....................................................................... 218 Analisis Metalografi dan Fraktografi untuk Menentukan Kualitas Produk Besi Baja yang Ada di Indonesia ................................................................................................................ 218 Ilham Hatta dan Akbar Ilham Manangkasi Automatic Cutting Schedule and Online Inspection System .............................................. 238 Ari Prasetyo Utomo Perilaku Penuaan Regang pada Baja Api 5l x65 dan Api 5l b .......................................... 250 Rizky Hidayat dan Akhmad A. Korda Paduan Intermetalik Dua Fasa Α 2-Ti3Al/Γ-TiAl sebagai Kandidat Pengganti Superalloy Berbasis Nikel ................................................................................................................... 261 Fadhli Muhammad dan Eddy Agus Basuki Ketahanan Spalling Sistem Thermal Barrier Coating Menggunakan Lapisan Intermediate Ni20Cr-7YSZ Dengan Reduksi Ukuran Serbuk Feedstock Ni20cr Pada Baja Tahan Karat 316L ................................................................................................................................... 273 Mohammad Aly Fikry, Eddy Agus Basuki, Budi Prawara Optimization of Dog Bone Control as Substitute of Vertical Edger to Improve Manufacturing Efficiency .................................................................................................. 286 Dimas Hand Sulistiyo.