Resources

Introduction Valomag seminar (December 6th, 2022)

Description of the EIT Raw Materials and the program of the day. The slides of the presentations presented in the program are to be found below in this resource page.

Materials and Recycling Research at TU Delft (December 6th, 2022)

Overview of the activities at the Materials Production, Recycling and Refining group of the department materials Science and Engineering at the TU Delft, and on the recovery of rare earth elements of End-of-Life permanent magnets. By Yongxiang Yang and Shoshan Abrahimi.

Presentation of VALOMAG project and current market of EoL products containing magnets (December 6th, 2022)

Overview of the market and prognosis up to 2040 and overview of the VALOMAG process. By Virginie Decottignies.

Dismantling and extraction of permanent magnets (December 6th, 2022)

Methodology, characterisation of NdFeB magnets, mechanical sorting (fragmentation and classification), smart size reduction test of permanent magnets recovered from HDD's and mass balance. By Thibaut Marcon and Nour-Eddine Menad.

Transformation to the manufacturing of new magnets (December 6th, 2022)

Powders production for the bonded magnet manufacturing route, bonded magnets manufacturing, and sintered magnet manufacturing route. By Boris Saje and Cyril Rado

Transformation to the production of REE oxides through hydrometallurgical routes (December 6th, 2022)

Leaching and selective recovery of rare earth elements found in NdFeB magnets using organic acids, By Sahar Belfqueh, Nour-Eddine Menad, and Alain Seron.

Mass Flow Analysis of the process (December 6th, 2022)

Classification of magnet scrap, used software, flowsheet integration, strip casting for magnet production, and the hydrometallurgical route. Camila Pucci Couto, Shoshan Abrahami, Yongxiang Yang, and Fernando Coelho

Life Cycle Assessment (December 6th, 2022)

The presentation contains the LCA methodology, the LCA on the virgin RE magnet production and the LCAs on the VALOMAG recycling technologies. By Zhijie Li

SUSMAGPRO project (December 6th, 2022)

SUSMAGPRO is an industrialisation project developing and demonstrating innovative pilot plants at TRL 6 7 for the recycling of permanent magnets from secondary EoL sources in Europe. By Boris Saje, and Carlo Burkhardt

UPGRADE project (December 6th, 2022)

Upscaling of a strip-cast-process for Heavy Rare Earth - lean magnet grades. The goal is the development of a strip-cast process with improved casting conditions and alloy composition for a Dy-reduction of up to 2.5 wt.% in a fine-grained magnet By Sorana Luca and Cyril Rado.

DysCovery project (December 6th, 2022)

Extraction of Nd, Dy, Sm, Co &Fe from End-of-Life (EoL) permanent magnets, sludges, swarf in particular for EU permanent magnet producers serving the automotive industries. Presentation including overview afternoon session, by Beate Orberger.

Patent for the selective extraction of rare earths in the form of oxides (October 14th, 2022)

Patent (FR 3 121 686 - A1) of the process based on leaching, filtration, precipitation and calcination, by Sahar Belfqueh, Nour-Eddine Menad, Alain Seron, and Simon Chapron.

Towards the recycling of permanent magnets through VALOMAG EU project (September 15th, 2022)

Zhijie (Gloria) Li presented at the Circular Materials Conference, in Skellefteå, Sweden, a general overview of the scarcity of materials, the recycling process chart and the Life Cycle Assessments.

Thesis: Recycling permanent magnets from offshore wind turbines: An e-waste approach (September 2nd 2022)

This thesis focusses on the demagnetisation of permanent magnets in offshore wind turbines. By F. de Waal (TU Delft Mechanical, Maritime and Materials Engineering; TU Delft Technology, Policy and Management)

Environmental impacts assessment of permanent magnets recycling with VALOMAG project (June, 2022)

This poster gives an overview of how the assessment was set up and what the results are. Zhijie (Gloria) Li presented this poster in the EIT RawMaterials Expert Forum, Berlin, Germany,

Design and environmental assessment with a case study of permanent magnet recycling (June 2022)

Poster giving an overview of the necessity of design in relation to recycling. Poster presented by Benjamin Sprecher at the Industrial Ecology Gordon Research Conference, Newry, United States.

The Critical Role of Materials in the Energy Transition, (June 17th, 2022)

Shoshan Abrahami explains in this slideshow why and how critical materials play a critical role in the energy transition, by example of permanent magnets. The presentation was given on the Materials Technology Day of the department of Materials Science and Engineering, of 3mE at the TU Delft.

Magnets - the crisis you knew was coming (May 23rd 2022)

Delta, the journalistic platform of the TU Delft, made an article about the VALOMAG project involving students. Soshan Abrahami leads a students recycling project as part of a materials science course for ten groups of six bachelor students, and the topic is recycling magnets from HDD"s.

Evaluating weak acids as alternative leaching reagents for rare earth elements recovery from NdFeb magnets, (May 2nd 2022)

Paper in the Journal of Rare Earths about the study on an advanced leaching method using organic acids to recover rare earth elements (REEs) from NdFeB permanent magnets from end-of-life computers hard disk drives (HDDs). The results presented in this paper suggest that REEs can be recovered from magnets of end-of-life HDDs using an eco-friendly method assisted by organic acids. Authors: Sahar Belfqueh, Alain Seron, Simon Chapron, Guilhem Arrachart, Nour-Eddine Menad.

Baseline life cycle assessment (LCA) of a virgin Nd-Fe-B magnet production system, (March 17th 2022)

This report describes the baseline life cycle assessment (LCA) of a virgin Nd-Fe-B magnet production system, setting a benchmark for the for the recycling technology to be developed in VALOMAG project. By Zhijie Li and Benjamin Sprecher

Upscaling of Permanent Magnet Dismantling and Recycling through VALOMAG Project (December 10th 2021)

Description of the research for upscaling the processes, such as the sourcing of magnets, demagnetisation, fragmentation and classification, by Shoshan Abrahimi et al.

Introduction of the Valomag seminar (December 3rd 2021)

Jan-Henk Welink gives an introduction of the seminar, its program and background information on EIT Raw Materials. The program gives an overview of the presentations which can be found here below.

Presentation at the Valomag seminar (Dec. 3rd 2021) about the introduction by EIT RM and presentation of ERMA action plan on magnets and motors by Roland Gauss (EIT RM)

Roland Gauss gave a presentation about the importance of critical raw materials, the European Raw Materials Alliance (ERMA) and her actions on permanent magnets.

Presentation at the Valomag seminar (Dec. 3rd 2021) about the Valomag project (from pre-processing to making of new magnets) by Virginie Decottignies (SUEZ)

Virginie Decottignies gave a general presentation about the how and why of the Valomag project, market situation magnets and the processes.

Presentation at the Valomag seminar (Dec. 3rd 2021) about the dismantling steps combining thermal treatment and fragmentation

Thibaut Marcon and Nour-Eddine Menad showed in their presentation the demagnetization of magnets, the Hard-Disk Drives (HDDs) treatment & upscaling and treatment of other EoL products .

Presentation at the Valomag seminar (Dec. 3rd 2021) about the transformation to the manufacturing of new magnets – Cyril Rado (CEA) and Boris Saje (Kolektor)

Cyril Rado (CEA) and Boris Saje (Kolektor) gave a presentation about the melting of magnets and the hydrogen decrepitation to reduce used magnets into powder.

Presentation at the Valomag seminar (Dec. 3rd 2021) about the transformation to the production of REE oxides through hydrometallurgical routes by Sahar Belfqueh (BRGM)

Sahar Belfqueh (BRGM) gave a presentation about the characterization of the HDD NdFeB magnets, leaching of NdFeB powder using organic acids, selective leaching using organic acids, solvent extraction on organic acid leachates, and stripping process.

Presentation at the Valomag seminar (Dec. 3rd 2021) about the Mass Flow Analysis of the Valomag process by Fernando Coelho (TU Delft)

Fernando Coelho (TU Delft) gave a presentation about the mass flow analysis, including flow sheet simulation, analysis charts and the connection with LCA.

Presentation at the Valomag seminar (Dec. 3rd 2021) about the Life Cycle Analysis by Zhijie Li (Leiden University)

Zhijie Li (Leiden University) gave a presentation about the Life Cycle Analysis (LCA), and includes LCA in a nutshell, an overview of an LCA of primary NdFeB magnets, and LCA in VALOMAG of primary and secondary Nd magnets.

Presentation at the Valomag seminar (Dec.3rd 2021) about the SUSMAGPRO project by Carlo Burkhardt (Pforzheim University)

Carlo Burkhardt (Pforzheim University) gave a presentation about another R&I initiative on magnets recycling, the SUSMAGPRO project, including the concept and approach, assessment of scrap, processing, remanufacturing routes of EOL magnets, impact and business model.

Keynote presentation at the International Conference on Raw Materials and Circular Economy - RawMat2021 (5 September 2021)

Fernando Coelho (TU Delft, Materials Science and Engineering) gave a keynote presentation on the upscaling of permanent magnet dismantling and recycling in the conference's session “Batteries and magnets recycling”.

Abstract at the 2021 International System Dynamics (25-30 July 2021)

This abstract is moving towards a more resilient rare earth supply chain with product recycling in the EU.

Presentation at Axelera (29 June 2021)

In this presentation and abstract Nour-Edinne Menad (BRGM) describes the three alternative routes recycling of permanent magnets of the NdFeB type, developed within the framework of the EIT RM project VALOMAG (presentation and abstract in French).

Development of an eco compatible process for the recovery of rare earths from permanent magnets (May 31st - June 4th, 2021)

This presentation gives an overview of the recycling process, with a focus on the leaching and solvent extraction. Presentation at the 8th International Conference on Engineering for Waste and Biomass Valorisation, by Sahar Belfqueh, Guilhem Arrachart, Nour-Eddine Menad, Alain Seron, Simon Chapron at the 8th International Conference on Engineering for Waste and Biomass Valorisation

Presentation VALOMAG at WindEurope (4 May 2021)

In this presentation Virginie Decottignies (SUEZ) explains the VALOMAG process from the recovery of scrap magnets to the production of new magnets and rare earth oxides.

VALOMAG webinar (13 April 2021)

In this VALOMAG webinar Virginie Decottignies (SUEZ) explains the VALOMAG project. The webinar explains the proposed processes and show pictures of trails.

VALOMAG project presentation (10 December 2020)

VALOMAG project: "From the recovery of scrap magnets to the production of new magnets and rare earth oxides" by Virginie Decottignies (SUEZ) and Thibaut Marcon (CRM Group).

VALOMAG LCA Workshop (19 November 2020)

Introduction LCA lecture by dr. Sprecher.

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