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35 Current news about the topic cement

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Scientists develop alternative cement with low carbon footprint

20-Aug-2021

Researchers at the Martin Luther University Halle-Wittenberg (MLU) in Germany and the Brazilian University of Pará have developed a climate-friendly alternative to conventional cement. Carbon dioxide (CO2) emissions can be reduced during production by up to two thirds when a previously unused ...

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World first concept for rechargeable cement-based batteries

Imagine an entire twenty storey concrete building which can store energy like a giant battery

19-May-2021

Thanks to unique research from Chalmers University of Technology, Sweden, such a vision could someday be a reality. Researchers from the Department of Architecture and Civil Engineering recently published an article outlining a new concept for rechargeable batteries - made of cement. The ...

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Concrete without cement?

Simple chemistry will enhance the sustainability of concrete production

16-Apr-2021

Researchers at the Institute of Industrial Science, a part of The University of Tokyo, have developed a new method of producing concrete without cement. They have directly bonded sand particles via a simple reaction in alcohol with a catalyst. This may help both to slash carbon emissions and to ...

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A recipe for eco-concrete

A CO2-negative concrete would be a true climate friend

09-Jun-2020

Cement production has to drastically reduce its environmental footprint. Empa researchers are, therefore working on alternative cement recipes that cause significantly fewer emissions or can even bind the greenhouse gas carbon dioxide. It is the most widely used product in the world. Cement is ...

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Bacteria and sand engineered into living concrete

17-Jan-2020

Cement and concrete haven't changed much as technology in over a hundred years, but researchers in Colorado are revolutionizing building materials by literally bringing them to life. The method developed, presented January 15 in the journal Matter, combines sand and bacteria to build a living ...

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Smog-eating graphene composite reduces atmospheric pollution

05-Dec-2019

Graphene Flagship partners the University of Bologna, Politecnico di Milano, CNR, NEST, Italcementi HeidelbergCement Group, the Israel Institute of Technology, Eindhoven University of Technology, and the University of Cambridge have developed a graphene-titania photocatalyst that degrades up to ...

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Cement as a climate killer: Using industrial residues to produce carbon neutral alternatives

21-May-2019

Producing cement takes a big toll on our climate: Around eight per cent of annual global carbon dioxide emissions can be attributed to this process. However, the demand for cement continues to rise. A team of geoscientists from Martin Luther University Halle-Wittenberg (MLU) has found a way to ...

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Deep decarbonization of industry is possible with innovations

27-Mar-2019

On behalf of the EU Commission, Fraunhofer ISI explored what contribution individual technologies can make to decarbonizing industry and how to support them. The study shows that it is possible to cut emissions by 95% by 2050. However, this requires innovative carbon-neutral technologies and ...

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Cementless fly ash binder makes concrete 'green'

Researchers use byproduct from coal-fired power plants to replace Portland cement

22-Jun-2018

Rice University engineers have developed a composite binder made primarily of fly ash, a byproduct of coal-fired power plants, that can replace Portland cement in concrete. The material is cementless and environmentally friendly, according to Rice materials scientist Rouzbeh Shahsavari, who ...

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Weak hydrogen bonds key to strong, tough infrastructure

31-Jan-2018

The right mix of hydrogen bonds in polymer and cement composites is critical to making strong, tough and ductile infrastructure material, according to Rice University scientists who want to mimic the mechanics of mother-of-pearl and similar natural composites with synthetic materials. Seashells ...

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