JKMRC Friday Seminar 2025: Accurate scale-up of sensor-based sorting systems

JKMRC Friday Seminar 2025: Accurate scale-up of sensor-based sorting systems

🎙 Dr Jacek Kolacz 👥 6K 📅 October 29, 2025 ⏱ 61 min 👁 233 📄 expert opinion 🧭 2026-08-16
Available in: English (current) Français

Keywords

ore sortingX-ray transmissionhyperspectral imagingscale-upmineral processing

Summary

Dr Jacek Kolacz presents the principles and applications of sensor-based sorting in mining, emphasizing the importance of accurate scale-up from laboratory to industrial scale. He introduces Comex Group’s technology, which combines multiple sensors (XRT, XRF, RGB, hyperspectral, etc.) in a single unit. The talk covers benefits such as early waste rejection, reduced processing costs, and improved product quality. Challenges include particle size limitations and the need for high-speed data processing. The presentation highlights a laboratory scanner that replicates industrial conditions, enabling research and optimization. Kolacz discusses various sensor technologies, including XRT for density-based sorting, RGB for color, and hyperspectral for mineral identification. He also addresses the use of AI and the importance of building site-specific databases. The talk concludes with examples of successful applications and the potential for future developments.

130 words

Critical Evaluation

Value of the Information & Strength of the Argument

The presentation provides valuable insights into the practical aspects of sensor-based sorting, drawing on the speaker’s extensive industrial experience. The argumentation is coherent, systematically explaining the benefits, challenges, and technological solutions. The speaker effectively uses examples and case studies to illustrate key points, such as the differentiation of ore types using hyperspectral imaging. However, the presentation lacks quantitative data and detailed comparisons with alternative methods, which would strengthen the argumentation. The emphasis on the company’s proprietary technology may introduce bias, but the technical explanations are generally objective.

Scientific Rigor, Source Quality, Title Accuracy

The presentation demonstrates a high level of technical rigor, with detailed explanations of sensor principles and scale-up considerations. The speaker references his own publications and patents, but no external scientific sources are cited. The title accurately reflects the content, focusing on the scale-up of sensor-based sorting systems. The talk is well-structured and technically sound, but the lack of peer-reviewed references and the promotional nature of some content slightly reduce its scientific credibility. The description provides links to the Sustainable Minerals Institute and past webinars, which are relevant for further information.

192 words

Title / Content Match

The title accurately reflects the content, focusing on scale-up of sensor-based sorting systems.

Quality & Reliability

8/10

Presentation by an industry expert with extensive experience and publications, but lacks peer-reviewed references and detailed quantitative data.

Key Moments

Cited Sources

Concurring Sources

  • Sensor-based ore sorting — General information on the technology discussed in the video.

Contribution & Novelties

The presentation offers a comprehensive overview of sensor-based sorting technology, with a focus on the scale-up process from laboratory to industrial applications. It provides practical insights into the challenges and solutions in implementing multi-sensor sorting systems. The speaker’s experience with Comex Group adds a unique perspective on the commercial and operational aspects.

Pour aller plus loin :

  • Sensor-based ore sorting — Overview of the technology and its applications.
  • X-ray fluorescence — Principle and use in elemental analysis.
  • Hyperspectral imaging — Technique for capturing and processing information across the electromagnetic spectrum.

90 words

Radar Profile

The radar profile shows high scores in technical level and information quantity, reflecting the detailed technical content. The fiabilite_globale is slightly lower due to the lack of external references and the promotional nature. The overall balance indicates a solid but not fully independent source.

Reliability 7/10

💬 No comments were provided for analysis.