Search results for zeolite

Materials Science Jun 23, 2021

Study reveals formation mechanism of first carbon-carbon bond in MTO process

A joint research team led by Prof. Liu Zhongmin, Prof. Wei Yingxu, and Prof. Xu Shutao from the Dalian Institute of Chemical Physics (DICP) of the Chinese Academy of Sciences (CAS) revealed the mechanism underlying the formation ...

Materials Science Jun 10, 2021

Recent advances in the optimization of dispersed platinum catalysts

Highly dispersed platinum catalysts provide new possibilities for industrial processes, such as the flameless combustion of methane, propane, or carbon monoxide, which has fewer emissions and is more resource efficient and ...

Materials Science Jun 8, 2021

Binder-free MWW-type titanosilicate for selective and durable propylene epoxidation

Propylene oxide (PO) is one of the important propylene derivatives with high reactivity, which is used extensively as a raw material for the manufacture of numerous commercial chemicals. The titanosilicate-catalyzed hydrogen ...

Analytical Chemistry Jun 8, 2021

Oxide-zeolite-based composite catalyst concept enables syngas chemistry beyond Fischer-Tropsch synthesis

Fischer-Tropsch synthesis (FTS) has been applied as the core technology of coal-to-liquid and gas-to-liquid processes in industry. However, the product selectivity control of syngas conversion still remains challenging.

Nanophysics Jun 7, 2021

Insights into construction of metal chalcogenide supertetrahedral clusters

Nanoclusters, which consist of several or even thousands of atoms, represent an important intermediate state between microscopic atoms and macroscopic matter. A profound comprehension of the composition, structure, and properties ...

Nanomaterials May 26, 2021

Zeolitic imidazolate framework-L membrane improves carbon dioxide separation efficiency

Metal-organic framework (MOF) membranes are promising for energy-efficient chemical separations. However, the microstructural design of these membranes remains challenging.

Environment May 20, 2021

Reimagining South Korea's wastewater recycling

If you look at the numbers, South Korea does not appear to have much of a water problem. The country receives roughly 1.6 times the global mean in rainfall.

Analytical Chemistry May 12, 2021

Clingy copper ions contribute to catalyst slowdown

Heavy-duty diesel trucks on the road today are equipped with aftertreatment systems that include selective catalytic reduction (SCR) technology using urea solution as a reducing agent to curtail harmful nitrogen oxide (NOx) ...

Materials Science May 6, 2021

Zero to hero: Overlooked material could help reduce our carbon footprint

It is now well known that carbon dioxide is the biggest contributor to climate change and originates primarily from burning of fossil fuels. While there are ongoing efforts around the world to end our dependence on fossil ...

Other May 3, 2021

Medical oxygen should not be a luxury: Developing a cheaper way to produce it

People might once have considered oxygen a human right. But the pandemic has revealed that access to oxygen—in a pure form, for medical use—is a luxury in most low and middle-income countries.

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