Dafa Bimantara Email & Phone Number

Jakarta Selatan, Jakarta, Indonesia

Wetar Project: Wetar Copper Mine, Wetar Neutralization Plant, Wetar Barge JettyAIM Project: Pyrite Plant, Waste Acid Treatment Plant

Morowali, Central Sulawesi, Indonesia

Pulau Pulau Wetar, Maluku, Indonesia

● Making daily report for Wetar Copper Heap Leach process: crushing, heap leach, solvent extraction, electrowinning, and neutralization plant.● Developed metallurgy test work for process improvement: river water neutralization, mixed hydroxide precipitate optimization, high clay-high Zn ore optimization, barite gold ore beneficiation, activated carbon metals loading, etc.● Support operational readiness and commissioning C2-C4 of Water Treatment Plant (WTP) expansion: consumable reagent, operational issue support, metallurgy test work support.● Support operational readiness and commissioning C2-C4 of Wetar Barge Jetty (WBJ): feed ore characterization, ore sampling and preparation for CoA, operational issue support.● PFD and PID review for process safety for Acid, Iron, Metals (AIM) project.

Bogor Regency, West Java, Indonesia

● Made a brief presentation and report for weekly and monthly progress.● Conducted research and analysis of mine call factor (MCF) value in gold mine at PT Antam Tbk-UBPE Pongkor.● Evaluated and monitored metallurgical process of gold extraction at PT Antam Tbk-UBPE Pongkor.● Determined suitable sampling location, sampling method, and mine coal factor value calculation.● Provide suitable and optimum recommendations for updated mine call factor value and process in mining and plant process unit.

Bandung, West Java, Indonesia

● Responsible for helping lecturer to explain, giving a demonstration, and evaluating pyrometallurgy process for third year metallurgical engineering students● Explained and conducted a reduction process of iron sand pellet and briquette using coal bed method and muffle furnace at 1450°C

Cepu, Central Java, Indonesia

● Responsible as an inspection engineer and undertake a mission to inspect a power pipe superheater tube of two wanson boilers.● Evaluated its remaining life, maximum allowable working pressure, and performed the failure analysis at the oil refinery of PPSDM Migas Cepu.● Developed a suitable approach to perform a prevention act for superheater tube from failure.

Bandung, West Java, Indonesia

● Maintained effective media communication through Student Association's social media by publishing with more than 30 self contents and 60 posts. ● 100% of publication requests are published in various social media channels.

Bandung, West Java, Indonesia

● Lead and managed a group of 8 to perform a creative way of thinking and visualize the content of Metalcaster 6th Edition: "Metalurgi Kala Pandemi COVID-19" with the main subject is how metallurgy industry works in COVID-19 pandemic and its effects to energy sustainability in Indonesia. ● About more than 200 people view the magazine in overall social media interaction.

Bandung, West Java, Indonesia

● Responsible for helping lecturer to explain and evaluating engineering drawing course for second year metallurgical engineering students.

Bandung, West Java, Indonesia

● Responsible for planning, customize, and publish contents on Student Association's social media

Bandung, West Java, Indonesia

● Lead and manage a group of eight that responsible for enhancing a graduation ceremony through creating some visual works and publish it on Student Association's (IMMG) social media

● Responsible for planning and creating visual implementation to attract people for joining M2C 2019

Bachelor'S Degree, Metallurgical Engineering, 3.63

● Thesis: Thermodynamic Modelling of Sn-Pb-As for Tin Refining System ● Academic Award: Dean’s List Awardee of Mining and Petroleum.

Education record

Activities and Societies: Keluarga Paduan Angklung, Palang Merah Remaja, Lingkung Seni Sunda