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Chemical Engineering Intern at Mariana Minerals | Houston, TX

Mariana MineralsHouston, TX
On-site Intern

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Experience Level

Entry Level

Qualifications

Currently pursuing a B. S. or M. S. in Chemical Engineering, with coursework in thermodynamics, mass transfer, and reaction engineering. Familiarity with process simulation tools (e.g., METSIM, Aspen, or similar) is an asset. Strong analytical and technical writing skills; ability to synthesize data into clear engineering summaries. Interest in hydrometallurgy, critical minerals, or battery materials supply chains preferred.

About the job

About Mariana Minerals

Mariana Minerals is building the future of minerals with a software-driven approach. The team delivers essential minerals that support energy, artificial intelligence, and defense technologies. By combining industry experience with software, automation, and data-focused methods, Mariana Minerals is changing how the minerals supply chain operates.

Internship Overview

The Chemical Engineering Intern will join the Process & Plant Engineering team in Houston, TX. This internship centers on meaningful, hands-on work supporting the LithiumOne project. Interns collaborate with seasoned engineers and industry experts, contributing directly to project outcomes rather than only performing support tasks.

Key Responsibilities

  • Assist in developing and refining process flow diagrams (PFDs) and piping & instrumentation diagrams (P&IDs) for lithium brine extraction and purification.
  • Help conduct mass and energy balance modeling for core unit operations such as evaporation, impurity removal, and lithium product conversion.
  • Perform literature reviews and interact with vendors to evaluate reagent choices, membrane technologies, and downstream processing options.
  • Support the preparation of engineering documents for feasibility and prefeasibility studies, including equipment sizing and capital cost estimates.
  • Assist in analyzing lab or pilot-scale test data to validate process assumptions and improve flowsheet design.

Desired Qualifications

  • Current enrollment in a B. S. or M. S. Chemical Engineering program, with coursework in thermodynamics, mass transfer, and reaction engineering.
  • Familiarity with process simulation tools (such as METSIM, Aspen, or similar) is a plus.
  • Strong analytical skills and technical writing ability, with experience synthesizing data into clear engineering summaries.
  • Interest in hydrometallurgy, critical minerals, or battery materials supply chains is preferred.

About Mariana Minerals

Mariana Minerals is at the forefront of the minerals industry, utilizing innovative software solutions to enhance the supply of critical minerals essential for modern technology. Our commitment to excellence and sustainability drives our efforts in reshaping the minerals supply landscape.

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