Sentence examples for modified catalysts show from inspiring English sources

All the Fe modified catalysts show a similar selectivity to total olefins in the third hour of the reaction of ~ 48% with a slight decrease observed for the 5% Fe catalyst.

In addition, Sn modified catalysts showed excellent SO2 resistance.

When evaluated in a fluidized CREC Chemical Reactor Engineering CenterRiserSimulatorathe, the ZrO2 modified catalyst shows at 600 °C close to 90% ethylene selectivity while the unmodified catalyst gave 42% ethylene only.

The barium-modified catalysts show lower onset temperatures (470 480 °C) of soot oxidation than pure CuCe (509 °C) after aging.

At the same time, for the photodegradation of K-2G, Fe3+, Co2+, Ni2+-modified catalysts show that their photoactivities are 3.3 2.2 times higher than the bare one.

When used in acetylene hydrogenation, the Si-modified catalysts show higher selectivity for ethylene and produce less amount of green oil than the unmodified Pd catalysts.

The selectivity to liquid products for the metal modified catalysts is shown in Fig. 6.

However, when strong catalyst poisons are present in the gas (SO2), these modified catalysts do not show a better performance than unmodified catalyst.

Ultimately, the Pt/C-20%PANI-PTSA modified catalyst was shown to be more suitable for applying in the direct methanol fuel cells (DMFC) compared with the commercial Pt/C material.

The modified MgO catalysts showed an activity higher than pure MgO catalyst.

Compared with Pt/ZrO2, heteropolyacids modified Pt/ZrO2 catalysts showed higher acidity and better catalytic performance of glycerol hydrogenolysis to 1,3-propanediol.