| Decomposition of ferronickel slag through alkali fusion in the roasting process W Mayangsari, IN Avifah, AB Prasetyo, E Febriana, A Maksum, RM Ulum, ... Eastern-European Journal of Enterprise Technologies 2 (12), 110, 2021 | 6 | 2021 |
| Effect of sodium carbonate (Na2CO3) additives and palm kernel shell charcoal to increase nickel and iron content from ferronickel slag using the pyrometallurgical method MD Alfariz, W Mayangsari, AB Prasetyo, A Maksum, T Prasetyo, RM Ulum, ... AIP Conference Proceedings 2255 (1), 2020 | 5 | 2020 |
| Preliminary assessment of 22Cr and 15Cr materials selection for CO2 enhanced oil recovery program H Prabowo, Y Pratesa, RM Ulum, B Munir, JW Soedarsono MATEC Web of Conferences 269, 03014, 2019 | 5 | 2019 |
| Recycling of metals from bottom ash. How an economical and sustainable urban mining can possibly be realized R Deike, D Ebert, D Schubert, RM Ulum, R Warnecke, M Vogell Müll und Abfall 46, 4-12, 2014 | 5 | 2014 |
| The effect of leaching time and concentration of sulfuric acid on increasing nickel and cobalt content from ferronickel slag waste after alkaline fusion using sodium carbonate PD Santoso, AB Prasetyo, A Maksum, RM Ulum, JW Soedarsono AIP Conference Proceedings 2255 (1), 2020 | 4 | 2020 |
| Pyro-Hydrometallurgy Routes to Recover Silica from Indonesian Ferronickel Slag RM Ulum, Natalin, R Riastuti, W Mayangsari, AB Prasetyo, ... Recycling 8 (1), 13, 2023 | 3 | 2023 |
| Effect of temperature in carbothermic reduction of Indonesian limonite ore using printed circuit boards as reducing agent RM Ulum, AK Wicaksana, F Abidin Materials Science Forum 1009, 155-161, 2020 | 3 | 2020 |
| The effect of NaCl addition and biomass palm kernel shell charcoal with different ratio on pyrometallurgical process of a wasted ferronickel slag SNM Usman, SA Nurarani, AB Prasetyo, A Maksum, T Prasetyo, RM Ulum, ... AIP Conference Proceedings 2255 (1), 2020 | 2 | 2020 |
| The effect of temperature and leaching time of sulfuric acid on increasing nickel and iron content from ferronickel slag waste after alkaline fusion using sodium carbonate PD Santoso, AB Prasetyo, A Maksum, RM Ulum, JW Soedarsono AIP Conference Proceedings 2255 (1), 2020 | 2 | 2020 |
| Increasing nickel from nickel slag with Na2SO4 additives and palm kernel shell charcoal reductors using the pyrometallurgical method SA Nurarani, SNM Usman, AB Prasetyo, A Maksum, T Prasetyo, RM Ulum, ... AIP Conference Proceedings 2255 (1), 2020 | 1 | 2020 |
| Study of the effect of Na2CO3 Mass ratio as an additive in the reduction process of limonite ore to reduce impurities for increasing nickel BM Syafa, NW Luneto, A Maksum, AB Prasetyo, RM Ulum, ... AIP Conference Proceedings 2255 (1), 2020 | 1 | 2020 |
| Copper recovery from fine particle grain size fraction of bottom ash from Waste to Energy plants RM Ulum Dissertation, Duisburg, Essen, Universität Duisburg-Essen, 2017, 2017 | 1 | 2017 |
| SiO2/MgO Ratio Effect on Carbothermic Reaction of Synthetic Nickelliferrous Mixtures S Harjanto, RM Ulum Advanced Materials Research 1112, 542-545, 2015 | 1 | 2015 |
| Dissolution of ferronickel slag in the hydrothermal process using NaOH solution followed by water leaching: The effect of particle size W Mayangsari, DA Nurkhasanah, A Ridhova, AB Prasetyo, E Febriana, ... AIP Conference Proceedings 3003 (1), 2024 | | 2024 |
| The electrolysis technique without a salt bridge to reduce magnesium level and the Mg/Li ratio from brine water at various electrolysis duration LH Lalasari, RM Ulum, L Andriyah, T Arini, NC Natasha, FE Yunita, ... AIP Conference Proceedings 3003 (1), 2024 | | 2024 |
| Characteristics of Treated Monazite in Different Particle Sizes to Upgrade the Rare Earth Elements Content by Using Mechanochemical and Roasting Processes. MA Tjhia, MNF Yahya, RM Ulum International Journal of Technology 15 (2), 2024 | | 2024 |
| THE EFFECT OF PYROLYSIS DURATION ON THERMAL CONDUCTIVITY, STABILITY, AND VISCOSITY OF DISPERSED PCB-BASED PARTICLES IN THERMAL FLUID WN Putra, M Ariati, B Suharno, D Ferdian, RM Ulum Jurnal Rekayasa Mesin 14 (3), 1081-1093, 2023 | | 2023 |
| Effect of Slope Chute Angle of HAP Magnetic Separator to the Acquisition of Nickel Matte from Undersized Product Resulted by Pierce Smith Converter Machine NI Ciptasari, EA Parande, JW Soedarsono, AB Prasetyo, W Mayangsari, ... Recent in Engineering Science and Technology 1 (03), 1-12, 2023 | | 2023 |
| Thermal analysis of effect of concentration on WPCB powder addition as a reducing agent for nickel limonite ore reduction using TGA–DSC analysis RM Ulum, DA Radhitya, WN Putra AIP Conference Proceedings 2538 (1), 2023 | | 2023 |
| Size reduction of gallium-based particle by mechanical milling for microparticle-dispersed quench medium application MS Faris, WN Putra, RM Ulum, G Ramahdita AIP Conference Proceedings 2538 (1), 2023 | | 2023 |
