X-MAT wins DOE contract to search for 3D printing charcoal waste


X-MAT, the advanced materials division of US-based materials engineering company Semplastics, won a US $ 1.2 million contract from the Office of Fossil Energy and Carbon Management of the US Department of Energy (DOE) to research and test filaments and resins with 3D printing.

Semplastics said bringing waste coal to additive manufacturing changes the common misconception that sustainability and technology cannot coexist. Its process, which the company has described as cost effective, will use high volumes of waste to produce high-value, high-demand products.

Bill Easter, Founder of X-MAT and Semplastics, said, “We recycle waste coal and reimagine it. We are delighted to receive this grant from the DOE so that we can continue to research ways to reuse waste coal. With this project, we see the ability of technology to offer innovative sustainable solutions. “

The DOE award focuses on companies interested in 3D printing of filaments using waste coal. X-MAT plans to develop 3D printer filaments that use at least two of the most common coal waste – bituminous coal fines and fly ash – by applying its technology to high temperature plastics and ceramic composite materials.

As a result of this research, the best filament formulations will be used in a commercially available 3D printer to produce several demonstration objects.

Easter explained, “We 3D print waste coal – it’s cool. It’s sustainable, environmentally friendly and continues our company’s mission to give coal a new reputation.”

X-MAT also recently completed a new state-of-the-art battery lab, which will allow the company to continue research into the recycling of spent graphite for lithium-ion (LIB) batteries as well as the use of coal in batteries. materials. So far, the company has received more than US $ 10.7 million in contracts and grants for its research.


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