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[交流] Postdoctoral fellow_Solvent extraction of REEs

Postdoctoral Research Fellow – Memorial University
Location: St John’s campus, St John’s NL
Department: Process Engineering
Job Type: Full Time, contract
Duration: 1-year, possible extension
Salary: $60,000 per annum
Anticipated Starting Date: Aug. 1, 2025
Department Background
The Department of Process Engineering at Memorial University emphasizes the processing and
production of petrochemicals, oil, gas, minerals, food, and any other materials used to obtain
valuable products through green and sustainable technologies. Research in the department covers
the topics of chemical and biochemical conversion of natural resources into useful intermediate
industrial chemicals and ultimately end products; green recovery of valuable metals from lowgrade ores; contaminant removal from solid fuels, crude oil and natural gas; modeling, simulation
and optimal control of complex reactions, separation and integrated reaction-separation processes.
Research Project Overview
The postdoctoral fellow will be engaged in a research project entitled “Characterization and
solvent extraction of rare earth elements” funded by the National Sciences and Engineering
Research Council of Canada (NSERC) through an Alliance Mission Grant. The project aims to
develop a cost-effective solvent extraction separation technology for four magnetic rare earth
elements (REEs) namely, Nd, Pr, Dy, and Tb, using an integrated method of density functional
theory calculation, spectroscopic characterization, and experimental validation. The ultimate
objective of the research is to build the guiding framework for the development of the industrialscale REE processing plant.
Position Duties and Responsibilities
This is a full-time postdoctoral fellow position in the St John’s campus of Memorial University.
The incumbent of this position will, under the supervision of Drs. Yan Zhang and Kelly Hawboldt,
be responsible for leading the research activities of the solvent extraction and separation of REEs,
including but not limited to the following core responsibilities:
• Coordinating the research activities carried out by different personnel
• Preparation of deep eutectic solvents for the selective extraction of target rare earth metals
• Extractant and diluent screening for the solvent extraction of the Nd, Pr, Dy, and Tb from
the leaching solutions• Density functional theory (DFT) simulation to predict the selectivity of the extractant
towards the desired magnetic REEs
• Experimental investigations on the solvent extraction of the desired REEs using the bestperformance extractant
• Optimization of the operating parameters for the solvent extraction process
Qualifications
• Graduation from an accredited university with a PhD in inorganic chemistry/chemical
engineering/mineral processing engineering
• Knowledge in multi-stage liquid-liquid extraction
• Knowledge of experimental design and statistical analysis of experimental results
• Excellent communication skills in English
• Proven ability to work independently within a research lab
How to Apply
Prospective applicants interested in pursuing this fellowship opportunity are invited to email Dr.
Yan Zhang at yanz@mun.ca with a curriculum vitae (including a list of publications), the names
of two referees, and evidence of their degree by April 20, 2025.

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