Advancement of modification engineering in lean methane combustion catalysts based on defect chemistry

Abstract

The direct emission of lean methane (0.1 ~ 1.0 vol%) into the atmosphere causes the serious greenhouse effect and energy waste. Catalytic methane combustion technology has great potential in reducing...

MOFs as Versatile Catalysts: Synthesis Strategies and Applications in Value-Added Compound Production

“…The word “catalysis” originates from Greek “κατα” and “λυσισ” which means “down” and “loosening”, respectively. − With the catalyst providing for a rapid and efficient method, the reactions were improved toward a better rate and selectivity at generally gentle conditions . Catalytic technologies have been a fundamental part of modern human advancement. − The Egyptians and the Sumerian utilized catalytic forms to produce alcohol. For centuries, the ancient Greek, classic Roman, and Islamic empires created the agricultural revolution by performing catalysis through controlled ammonia synthesis.…”

Ceria crystal facet impact for methane C–H activation in Pd/CeO2 catalysts

“…4,5 Moreover, methane, with a global warming potential (GWP) of up to 21 times that of CO 2 , has been reported to be the second-largest anthropogenic greenhouse gas. [6][7][8] Therefore, as methane usage increases, its contribution to the greenhouse effect is becoming more and more serious, highlighting the great importance of controlling methane emissions. [9][10][11] It is generally accepted that catalytic combustion is one of the most effective approaches for the reduction of unburned methane.…”

PolyVinyl alcohol and copper nickel co‐doped titania nanocomposite: Designing, characterization, optical properties, and catalytic application in the synthesis of aryl derivatives of benzothiazole and benzimidazole

“…60 Moreover, new electrical and optical characteristics that are not present in the undoped metal may be created by doping. 61,62 It is also crucial to remember that doping may be used to modify the conductivity of nonmetals like semiconductors. 63 The catalytic activity of metals and metal oxides is also enhanced by doping.…”

“…Doping, for instance, may be used to increase a metal's conductivity for use in electrical devices or its optical characteristics for use in optical devices 60 . Moreover, new electrical and optical characteristics that are not present in the undoped metal may be created by doping 61,62 . It is also crucial to remember that doping may be used to modify the conductivity of nonmetals like semiconductors 63 .…”