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Ronny M.
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Ronny M.

Extractive Metallurgist | Process Engineer | Material Consultant

With over nine years of experience as a Process Engineer-Metallurgist, I specialize in leveraging scientific principles and cutting-edge engineering solutions to drive optimization in mineral processing and extractive metallurgy. My focus is on delivering sustainable, high-impact methodologies that not only address immediate challenges but also pave the way for long-term industry advancement. My expertise spans ore characterization, advanced data analysis, process design and philosophy, process flow design, heat and mass balance, and technical report. I have successfully managed and enhanced processes for the extraction and refining of critical metals, including nickel, copper, cobalt, scandium, rare earth elements, lithium, niobium, and tantalum. By integrating innovative technologies, I have consistently achieved operational excellence while maintaining environmental compliance and cost efficiency. Currently, I am leading a high-stakes project focused on producing nickel matte for the electric vehicle (EV) battery industry from laterite ore. This initiative underscores my commitment to advancing sustainable resource utilization and supporting the global transition to clean energy. I approach every challenge with precision, determination, and an unwavering commitment to excellence—because in metallurgy, as in life, there’s no room for error

🇮🇩Tangerang, Indonesia$20/hr100% JSS4.99 (15)Since Dec 2020

Earnings and projects

MRR
$528

Last 6 months ÷ 6

World#75,674 / 412k
🇮🇩Country#927 / 5,726
Revenue, last 30 days
$344

Last 6 months: $3.2k

World#71,685 / 412k
🇮🇩Country#1,035 / 5,726
Total earnings
$23k

Billed in all: $25k

World#128,622 / 412k
🇮🇩Country#1,082 / 5,726
Per project
$836

$1.1k in the last 6 months

World#137,963 / 412k
🇮🇩Country#1,408 / 5,726
Projects, last 6 months
3
67% fixed33% hourly
World#66,482 / 412k
🇮🇩Country#1,205 / 5,726
Projects in all
28

Across 31 contracts

48% fixed52% hourly
World#103,226 / 412k
🇮🇩Country#1,251 / 5,726

Earnings, last 30 days

$24.5k+$344 earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$24.0k$24.2k$24.4k$24.6kOct 9Oct 24Nov 8

Skill rankings: Top 13% in Chemical Engineering

Ranked by MRR among everyone on Upwork with the skill.

  1. 2Metallurgical Engineering14 freelancers · 🇮🇩 #1Top 14%
  2. #9Materials Characterization51 freelancers · 🇮🇩 #1Top 18%
  3. #10Process Simulation68 freelancers · 🇮🇩 #1Top 15%
  4. #13Analytical Chemistry89 freelancers · 🇮🇩 #1Top 15%
  5. #17Chemical Analysis105 freelancers · 🇮🇩 #1Top 16%
  6. #19Materials Engineering112 freelancers · 🇮🇩 #2Top 17%
  7. #29Process Engineering199 freelancers · 🇮🇩 #1Top 15%
  8. #31Material Selection142 freelancers · 🇮🇩 #2Top 22%