Group News

June 2021: Congratulations to Fariborz Faraji, the recipient of the MetSoc 2021 student doctoral scholarship award. The MetSoc Awards honour those members who have excelled through their outstanding achievements and contributions to metallurgy and related fields. 



May 2021: Congratulations to Jinsong Xia, the recipient of the 2021 Dean’s Teaching Assistant Award (DTA). This award recognizes exceptional Teaching Assistants who have been nominated by their departments. 


May 2021: Dr. Ahmad Ghahreman is using innovation to make the mining industry greener, safer and more efficient.
From an environmentally friendly method for extracting copper from discarded mineral deposits, to using bacteria to extract gold from low-grade ore, the associate head of the Robert M. Buchan Department of Mining is coming up with solutions that are already revolutionizing the field of resource extraction.
“My mission is to develop the technologies that will make the future of mining carbon neutral.” (,-safer,-and-more-efficient.html).

April 2021: Jinsong Xia’s research project, a Ph.D. student in Hydrometallurgy andJinsong Xia Environment Laboratory, was recently featured on the Queen’s University School of Graduate Studies website, (


November 2020: A first-time recipient from the Robert M. Buchan Department of Mining, Associate Professor Ahmad Ghahreman has been selected by a jury of his peers to receive the faculty-wide excellence in Research Award. Congratulation to Dr. Ghahreman on receiving this award for research leadership and fostering collaborative growth at the graduate level. (

September 2020: Congratulation to Andrew Borschneck, the winner of the Hydrometallurgy Undergraduate Scholarship (to be renamed as the John Dutrizac Scholarship) for 2020, for his performance and shown interest and enthusiasm in pursuing a career in hydrometallurgy.

September 2020: Congratulation to Guillermo Alvial Hein, the winner of the Ernest Peters Masters Award (Hydrometallurgy Section) for 2020, for his Masters research project on bio-oxidation of sulfide gold ores!

September 2020: Congratulations to Uchitta Vashist on her successful Master defence!

August 2020: Congratulations to Dr. Farzaneh Sadri on her successful PhD defence!

January 2020: The paper  “Review of arsenic metallurgy: Treatment of arsenical minerals and the immobilization of arsenic” has become the most cited paper published in journal of Hydrometallurgy since 2017. Congratulations on your well-deserved success!


November 2019: Congratulations to Chengqian (Charles) Wu on his graduation. Today, Nov. 13, 2019, Charles celebrated his convocation. In picture, a very happy Charles with Prof. Patrick Deane, Principal and Vice-Chancellor of Queen’s University. Congrats Charles!

October 2019: Dr. Ghahreman catching up with his group’s Chinese Alumni while visiting China. 
Left to right: Fei Meng, Prof. Ahmad Ghahreman, Dr. Lin Li and Gui Liu in Changsha, Hunan.

October 2019: Uchitta Vashist’s research project, an MSc student in Hydrometallurgy and Environment Laboratory, was recently featured on the Queen’s University School of Graduate Studies website, “Mine and refine – Meet Uchitta Vashist“.

September 2019: Many congratulations to Chengqian (Charles) Wu for his Master’s defence!

August 2019: 58th Annual Conference of Metallurgists (COM) Hosting Copper 2019, Vancouver, Canada,  August 18-21, 2019.

Prof. Ahmad Ghahreman, Technical Program Chair of the Copper 2019 Conference, was delivering a thank-you talk during the MetSoc Awards Banquet on Tuesday night (Aug, 20th).

Our group presented 2 papers at the Copper 2019 conference including, Chengqian (Charles) Wu, MSc candidate, and Dr. Lin Li, PDF in our Hydrometallurgy and Environment Laboratory, and Prof. Ahmad Ghahreman.

July. 2019:

“Warmest congratulations on the birth of their sweet baby boy, to our students Farzaneh Sadri and Omid Marzoughi!  Welcome to the beautiful world, little Parsa! What a very lucky baby with both parents being hydrometallurgists! Parsa was born on July 4, 2019.”

June. 2019:

Congratulations to our new graduate, Dr. Lin Li. You did it!

March. 2019:

This year’s Paul Chick Award’s winner of Mining Department was James Mcneice, the first year PhD candidate of our hydrometallurgy group.
He did a very nice presentation in Mining Graduate Seminar series.

Congratulations James!


Jan. 2019:

Dr. Ghahreman was on CBC radio Monday night (Jan 21). CBC Radio One, All in a Day, hosted by Alan Neal, Ahmad was interviewed to tell some interesting facts about the element Pr, and the rare earth elements in general. Please check it out from the following link:

Random periodic table: Praseodymium


Jan. 2019:

Please check out the latest papers of our team:

1. Rina Kim, Ahmad Ghahreman, (2019),
2. Denver Cowan, Fazel Jahromi, Ahmad Ghahreman, (2019)
3. James McNeice, Rina Kim, Ahmad Ghahreman, (2018)
4. Lin Li, Ahmad Ghahreman, (2018)
5. Farzaneh Sadri, Rina Kim, Zhi Yang, Ahmad Ghahreman, (2018)
6. Fazel G. Jahromi, Ahmad Ghahreman, (2018)

Dec. 2018:

Brush up on your Korean! An amazing article, written by our Post Doc, Dr. Rina Kim, published in a Korean Journal about her life at Queen’s University and life in Kingston:


Nov. 2018:
Congratulations to Dr. Lin Li on successfully defending his dissertation and achieving his PhD!

He will soon start his new position as a postdoctoral fellow in our hydro team. Best wishes for this important milestone in his life and career.

Nov. 2018:

Convocation Day …
Congratulations to our new graduates, Fazel and Denver. You did it!


Oct. 2018:
Congratulations to Dr. Denver Cowan for his successful PhD defence!

He is now a Metallurgist at SGS, Lakefield. Good luck Denver on a new chapter of your life!


Aug. 2018:

Happy to announce that our team has won 3 out of the 4 possible Canadian Hydrometallurgy awards, many congratulations to the winners:
Denver Cowan: 2018 Gordon M. Ritcey Hydrometallurgy Ph.D. award.
Chengqian (Charles) Wu: 2018 Ernest Peters Master’s award.
Carter Senis: 2018 Hydrometallurgy Undergraduate Scholarship.

Thanks to the team that helps support the research group and Special congratulations to Dr. Ahmad Ghahreman for the great accomplishment of his group and students. Well deserved!

Aug. 2018:
Many congratulations to James Mcneice for his Master’s defence!

He is now a PhD student in our group, good luck James!


Aug. 2018:

Congratulations to Dr. Fazel Jahromi for his successful PhD defence!

He will soon start his new position as a metallurgist in HATCH, Canada.

Apr. 2018:
Congrats to Denver Cowan! This year (2018) recipient of the Paul Chick Award. A great presentation was made by Denver in MINE897, with Farzaneh Sadri as the honourable mention, both from our Hydrometallurgy team.

Nov. 2017: Dr. Ahmad Ghahreman recently was interviewed by CBC News in regard to the arsenic issue in Yellowknife, NWT, Canada, and how the research results in his Hydrometallurgy and Environment Group can help to solve the arsenic issue in Yellowknife.  To read the article please click HERE.

Aug. 2017: Conference of Metallurgists COM 2017 (hosting World Gold Conference and Nickel-Cobalt): Prof. Ghahreman has been the Technical Co-Chair of Hydrometallurgy for this conference.  Our group presented 10 papers at the COM 2017 conference including, Dr. Rina Kim, Denver Cowan, Fazel Jahromi, Lin Li, Alex Cushing, James McNeice and Prof. Ahmad Ghahreman.

Jul. 2017: Here we have two videos to give our website visitors a virtual tour of our hydrometallurgy laboratories – welcome to our laboratories!:

Jul. 2017: Check out the videos in below showing current research status within our group:

Jun. 2017: Dr. Ahmad Ghahreman delivered the opening plenary talk at the Hydroprocess 2017 Conference, Santiago, Chile.

Congrats to Lin Li, Fazel Jahromi, and Denver Cowan for passing their Comprehensive Exams.  Well done!

A new postdoc, Dr. Rina Kim, just recently joined us (June 2016).  Welcome Rina!

We have 4 undergraduate students working with us during summer 2016. Ian Bergeron (Chemistry, Queen’s), Chengqian (Charles) Wu from China, Vincent El Ghoubaira from Lebanon, and James McNeice (Queen’s).  Welcome everyone!

Farzaneh Sadri and Caitlyn Mckinley will attend the 2016 Canadian Mineral Processors (CMP) conference in Ottawa, ON. While at the conference, they also will take a short course about the Rare Earth Elements (REE) extraction.

We were at World Gold Conference 2015 in beautiful Misty Hills, Johannesburg, South Africa. Ahmad Ghahremaninezhad presented a paper “a novel method for pre-treatment of gold-bearing oxide ores”.

Sept. 1st 2015: Caitlyn McKinley is now officially a Master’s student in the Hydrometallurgy and Environment Group.  And Farzaneh Sadri just joined the group as a PhD student. Welcome to both of you!

We will be at COM2015, Toronto;  Fazel Jahromi and Rebecca Radzinski each to present a paper, and Denver Cowan and Lin Li each to present a poster. Caitlyn McKinley will receive Lucy Rosato Scholarship and Rebecca Radzinski will get the 2015 Metsoc Master’s Scholarship.  (August 20th, 2015).

Hydrometallurgy and Environment Group is happy to announce the launch of its website! (August 20th, 2015).