ColdBlock and Nucomat Partner to Automate Mineral Sampling Prep Process

Two technology companies that take laboratory efficiency and workplace safety to a new level have pooled their expertise to help automate one of the more labour intensive and risky elements involved in the mineral sampling process.

The combination of the ColdBlock Digestion 3rd Generation Product Line and Nucomat’s Compact Sample Preparation Unit will enable an automated process of “raw sample in, analysis-ready sample out at unprecedented speed and level of operator safety” for labs dealing with mineral samples, according to Nick Kuryluk, CEO of ColdBlock Technologies.

Ahead of a CEMI-hosted webinar to discuss the combination, IM put some questions to Kuryluk and Michael Van de Steene, Software Team Lead at Nucomat.

IM: Since unveiling the ColdBlock Digestion solution back in 2015 at the annual PDAC Convention, what has happened to the technology in terms of speeding up the sampling process for mining companies? I think back then, you were claiming the technology delivered fast digestion rates of between 10 and 15 minutes. Have you managed to speed this up even more?

NK: Since 2015 when we unveiled the technology at PDAC, we have focused on developing a solid evidence generation package that validated the performance of the technology in both the academic setting and the real-world setting through mining organisations and commercial laboratories.

The performance parameters that were validated include 1) high return on investment (ROI), 2) elevated workplace safety, and 3) high analytical accuracy and precision.

  • 1) The Amira Global P1196 project included SGS, Freeport McMoRan, New Gold, Centerra Gold and Newcrest. This project demonstrated that ColdBlock delivers similar analytical measurements to fire assay for gold determination and similar analytical measurements to hotblock for base metal determination (ie copper and iron determination). However, it was further validated that the ColdBlock process can be performed in minutes compared to hours and the cost savings were substantial (average of 50% cost savings vs fire assay for gold application);
  • 2) In regard to workplace safety, we eliminated the use of lead for gold determination (commonly used in fire assay) and, thus, eliminated potential lead contamination for workers and lead waste. For base metal applications, we reduced the use of hydrofluoric acid and perchloric acid in the digestion process, both of which are harmful reagents; and
  • 3) We have now published several papers. The body of work consistently demonstrates the high accuracy and precision in the recovery of elements in both mining and environmental samples. In 2019, the Geological Survey of Canada presented their work comparing ColdBlock to both microwave and hotblock for environmental applications (soils and sludges). It was demonstrated that ColdBlock improved precision from 12.9-13% with a 60% time saving.

The speed of our digestion system remains the same, however, it is unmatched when compared to conventional methods. We can digest sample materials for gold analysis in minutes compared to hours with fire assay. We can also digest sample materials for base metal analysis in minutes compared to hours with hotblock.

IM: Is Nucomat competing in the same sample preparation field as ColdBlock? Where do the two companies’ solutions overlap?

MVdS: Nucomat and ColdBlock Technologies manufacture complementary technologies that will take laboratory efficiency and workplace safety to a higher level.

NK: ColdBlock delivers solutions in optimising laboratory efficiency, productivity and safety:

  • Sample digestion system based on focused short-wave infrared radiation and a cooling zone;
  • Consumables and accessories;
  • Ancillary product solutions; and
  • Laboratory services in method development.

MVdS: Nucomat provides lab automation solutions for sample preparation, handling and testing for quality control laboratories. Our systems aim to control the sample preparation burden for 24/7 applications. These automated systems offer unique advantages compared to manual sample preparation, such as:

  • Operator safety;
  • Traceability and repeatability;
  • Gravimetric accuracy;
  • Validated results; and
  • Web-based remote control.

NK: Together, ColdBlock and Nucomat have joined forces to deliver a powerful solution offering a substantial ROI, elevated workplace safety and throughput while achieving high analytical accuracy and precision.

IM: How will this tie-up between the companies work? Will Nucomat be providing the automation solution for ColdBlock’s technology? How does this relate to the Amira Global P1196A project and delivering the ColdBlock 3rd Generation Product Line?

NK: This collaboration will deliver the integration of the ColdBlock Digestion 3rd Generation Product Line with Nucomat’s Compact Sample Preparation Unit (pictured below in a three reagent configuration). The combined technologies will provide an automated system capable of rapid acid dispensing and digestion. An optional making up to mass feature is also being considered. When combined, these features will enable a process of raw sample in, analysis-ready sample out at unprecedented speed and level of operator safety.

The details of the commercial framework are in progress. The integrated product line will first be offered through the Amira Global Project P1196A initiative. This will be delivered in Q2 (June quarter) 2021. The commercially available product will also be delivered through direct sales and a channel distribution model, which is targeted for Q3 (September quarter) 2021.

IM: What is the end goal of the collaboration?

NK: The end goal of the collaboration is to deliver a powerful solution to today’s challenges of sample preparation and to meet the current needs of the laboratory environment.

The aim is also to address a segment of small and mid-size laboratories that are looking for automated solutions but cannot justify the risk and ROI on a large full-scale automation system.

We aim to deliver:

  • High ROI, including high efficiency/productivity;
  • Elevated workplace safety; and
  • High analytical accuracy and precision.

IM: Is the agreement a reflection of the need to provide more environmentally sensitive sample digestion technologies that are automated to the mining and metals industry? Will the collaboration speed up the development of such a solution?

NK: The agreement is a reflection of both ColdBlock and Nucomat working together to respond to the current needs of the laboratory environment and to deliver a powerful and sustainable laboratory solution.

ColdBlock and Nucomat deliver solutions that are already proven in the marketplace. As such, this collaboration will speed up the development and commercialisation of the integrated solution.

With respect to gold application as an alternative to fire assay, we eliminate the need to use lead as part of the digestion process. So compared to fire assay, we eliminate lead waste and we eliminate lead contamination to workers.

IM: Where in the mining and metals space do you see the most demand or opportunities for deploying such a solution? Do you already have a trial lined up for the solution?

NK: The applications of our technologies are in the following spaces:

  • Mining and minerals applications such as precious metals (namely gold), base metals (such as copper, zinc, iron and nickel) and rare earth elements;
  • Metals and alloys;
  • Environmental; and
  • Other industry applications.

ColdBlock and Nucomat are working together with Amira Global to recruit participants for the Amira Global P1196A project that will see the delivery of ColdBlock’s third-generation product line with Nucomat’s automation solution. This includes both mining organisations and commercial laboratories.

Participating prospects currently come from Canada, USA, South America and Australia.

ColdBlock Technologies and Nucomat will be taking part in a CEMI-hosted webinar titled, ‘The Integration of ColdBlock Digestion with The NUCOMAT Automation System’ on December 2.

Source: https://coldblock.ca/

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