Search results for zeolite

Materials Science Jun 18, 2020

Efficient indium oxide catalysts designed for CO2 hydrogenation to methanol

Catalytic hydrogenation of carbon dioxide (CO2) is a green and sustainable means of synthesizing commodity chemicals such as methanol. This conversion process is key to realizing the 'methanol economy' or creating 'liquid ...

Materials Science Jun 9, 2020

Controlling the zeolite pore interior for chemo-selective alkyne/olefin separations

Organic chemists aim to separate alkenes such as ethylene and propene from alkynes before converting them into polymers. The technique has several drawbacks including hydrogenation of alkynes to produce unwanted alkanes, ...

Materials Science Apr 21, 2020

Scientists find bisulphates that curb efficacy of diesel engine catalysts

A team of researchers from Yale-NUS College, in collaboration with scientists in Sweden, has found that bisulphate species in the exhaust stream are strongly connected to decreasing the effectiveness of exhaust remediation ...

Materials Science Mar 20, 2020

Researchers develop hollow ZSM-5 zeolite catalyst with low silicon to aluminum ratio

ZSM-5 zeolite plays a vital role in petroleum cracking and refining of petrochemical products due to its microporous structure (0.51-0.56 nm) and tunable solid acid characteristics. Since zeolite micropores limit the mass ...

Nanomaterials Mar 3, 2020

Atomic-scale imaging reveals secret to thin film strength

An international team of scientists and engineers, led by University of Minnesota Associate Professor K. Andre Mkhoyan and Professor Emeritus Michael Tsapatsis (currently, a Bloomberg Distinguished Professor at Johns Hopkins ...

Materials Science Feb 14, 2020

Chemical process breaks down lignin and turns birch wood into usable chemical products

A team of researchers affiliated with multiple institutions in Belgium has developed a chemical process that breaks down lignin and turns birch wood into usable chemical products. In their paper published in the journal Science, ...

Materials Science Feb 6, 2020

Water-conducting membrane allows carbon dioxide to transform into fuel more efficiently

Methanol is a versatile and efficient chemical used as fuel in the production of countless products. Carbon dioxide (CO2), on the other hand, is a greenhouse gas that is the unwanted byproduct of many industrial processes.

Materials Science Jan 20, 2020

Inverse design of porous materials using artificial neural networks

The ability to generate optimized nanomaterials with artificial neural networks can significantly revolutionize the future of materials design in materials science. While scientists had progressively created small and simple ...

Materials Science Jan 17, 2020

Newly developed screening processes will accelerate carbon capture research

University of Alberta researchers have developed techniques that save a significant amount of time in developing more efficient carbon capture technologies, which may help lower the costs to use the technologies and increase ...

Materials Science Jan 9, 2020

Researchers discover new building blocks of catalyst zeolite nanopores

Zeolites crystals, used among other things for refining petroleum to gasoline and biomass into biofuels, are the most-used catalysts by weight on the planet, and discovering mechanisms of how they form has been of intense ...

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