Electrifying hydrometallurgical processes to advance the supply chain of critical raw materials from all possible sources.

amilton.b.b.junior [at] ntnu.no

Quant. data (Dec/2025) - Prof. Amilton B Botelho Junior (PI)

GoogleScholar: H-index = 29 (i10-index = 58), 2,735 citations.

Scopus: H-index = 23, 1,988 citations.

Web of Science: H-index = 22, 1,730 citations.

Publications in peer-reviewed journals = 83

PhD thesis supervision = 2 under development and 1 concluded

MSc dissertation supervision = 3 under development and 7 concluded

Undergraduate student supervision = 25 concluded

INTERNATIONAL NETWORK

LATEST NEWS

PhD position open

I invite PhD applicants for this position under my supervision at the Department of Chemical Engineering - NTNU in the NTNU Faculty of Natural Sciences. The position is focused on the electrochemical separation of critical metals as part of my start-up packages.

Preferred selection criteria:

- Experience in hydrometallurgy and biohydrometallurgy.

- Experience in laboratory work and mentoring students (undergraduate).

- Experience and interest in circular chemical engineering, process system design, and value-chain evaluations.

- Industrial experience and academic projects (industrial or governmental) are desired.

The deadline for the application is 12.02.2026. If the candidate needs more information, please feel free to contact.

Link for the application.

2% outstanding researchers in the world - 2024-2025

It is a great honor to be on the list for the second consecutive year, with a percentile rank of 2% or above in my research field (in Materials, Chemical Engineering, and Enabling & Strategic Technologies). This achievement is a result of consistent work over the years at outstanding universities, such as Stanford University and the Massachusetts Institute of Technology.

This recognition is a milestone, and the improvement in quality and high-impact work is crucial to achieving a sustainable mining future in conjunction with industry and business, transforming molecular reactions into large-scale processes to transform our society into a green future.

Link for the list.

Webinar | Critical Metals Extraction Processes for a Greener Future

Webinar Chairs and Speakers:

Dr. Amilton Barbosa Botelho Junior, Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, USA;

Dr. Rogério C.S. Navarro, Chemical and Materials Engineering Department (DEQM), Pontifical Catholic University of Rio de Janeiro (PUC-Rio), Brazil;

Mr. Gabriel Medeiros, Chemical and Materials Engineering Department (DEQM), Pontifical Catholic University of Rio de Janeiro (PUC-Rio), Brazil;

Prof. Eduardo Junca, Postgraduate Program in Materials Science and Engineering (PPGCEM), Unesc, Brazil;

Dr. Carlos Oba, Department of Mining and Petroleum Engineering, USP, Brazil.

Incoming Associate Professor at Norwegian University of Science and Technology - NTNU, Norway

It is a pleasure to announce that I will start my new position as Associate Professor in the Department of Chemical Engineering at the Norwegian University of Science and Technology (NTNU - Norges teknisk-naturvitenskapelige universitet) in January/2026. My position is focused on Hydrometallurgy, and my research group will develop new electrochemical processes and materials for the extraction of critical minerals towards Sustainable Mining. We will work on the following techniques (but not limited to): electrodialysis, supported liquid membranes, developing of new membranes and resins, solvent extraction, ion exchange resins, and electrochemical leaching.

We are looking forward to projects that involve primary and secondary sources such as spent batteries (alkali, Ni-MH, Li-ion, and Na-ion), mining waste, low-grade ores, polymetallic nodules from deep-sea mining, and industrial wastewater.

Positions for graduate students (MSc and PhD) and postdocs will be open soon. Visitor researchers are welcomed.

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