Players in the cement and concrete sectors are working diligently to achieve a reduction in emissions. However, there are multiple gaps in knowledge about the extent of these emissions, which makes it difficult to determine how effective new initiatives are at reducing emissions. A group of researchers from several universities in the United Kingdom are conducting a large-scale study to help fill this knowledge gap.
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Instead of open-pit mines, tailings may become the primary source of feldspar and quartz in the future if the minerals can be selectively extracted from the waste. Researchers in China showed that hydroxypropyl starch can improve the flotation separation of feldspar and quartz.
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Over the past few years, the Scotland government has worked to develop a deposit return scheme to increase recycling rates for drink containers in the country. However, implementation of the scheme has been delayed due to pushback from retailers and drinks companies. A recent decision by the U.K. government excluding glass from the scheme has now pushed back the launch date to October 2025.
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With the rapid growth of the global mining sector, it is crucial that miners adopt improved regulations and lower-impact methods to reduce the sector’s environmental and social footprint. Ceramics play an important role in environmental remediation, and today’s CTT highlights two studies that use ceramics to treat acid mine drainage.
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The International Seabed Authority is running up against a July 9 deadline to finish developing a code for deep-sea mining. The possibility of mineral exploitation taking place without regulations has marine scientists concerned because so much is still unknown about the environmental effects of this practice.
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Various regional and global groups within the cement and concrete industry are actively working to help achieve a reduction in emissions in this sector. The Cement Association of Canada is one such group, and today’s CTT looks at several prominent initiatives the Association has helped launch this past year.
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The May 2023 issue of the ACerS Bulletin—featuring methods for decarbonizing industrial processes—is now available online. Plus—new Bulletin digital format goes live.
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White phosphorus is a synthetic form of phosphorus used to produce many commodity chemicals. But the conventional process for producing white phosphorus has a high carbon footprint. Researchers at Massachusetts Institute of Technology developed a molten salt synthesis process for white phosphorus production that is more cost effective and environmentally friendly.
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The recent one-year anniversary of the National Science Foundation’s Directorate for Technology, Innovation, and Partnerships is a reminder of the federal government’s commitment to take a larger role in supporting the transition of use-inspired research from the lab to the marketplace. Ideally this support will allow more university researchers to follow in the footsteps of Sublime Systems, a spinout from the Massachusetts Institute of Technology that aims to commercialize a low-carbon cement technology.
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This year’s World Water Day on March 22 focuses on accelerating change to solve the water and sanitation crisis. Today’s CTT is a collection of articles from the past year that illustrate how ceramic and glass materials support this goal.
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