Sentence examples for methane selectivity of from inspiring English sources

The methane selectivity of the sensor was decreased when the sensor underwent ill-controlled temperature treatment where the heating temperature varied as 653 ± 50 K.

The methane selectivity of the Ni-Zr catalyst was almost 100% in the temperature range of 200°C to 300°C, as shown in Figure 9[5].

The highest ethanol selectivity achieved was 11.4% with corresponding methane selectivity of 17.2% at 270 °C and 20 bar.

In this paper, we discuss the possible origin for the decreases in the methane selectivity of the μ-gas sensor together with the role of the Pd/Al2O3 layer and the importance of homogeneous heating in the gas sensor.

At 275 °C, it can attain a maximum CO2 conversion and methane selectivity of 55% and 99.8%, respectively and it is stable for nearly 70 h reaction time.

The data confirm the inhibiting effect of K doping on reducibility and catalytic activity, together with a stabilization of the catalytic activity, a reduction of methane selectivity and a slight increase of CO2 selectivity.

The decline was accompanied by an increase of the methane selectivity and a decrease of the Schulz-Flory growth factor.

Figure 6 shows that the trends of methane selectivity and the space time yield of carbon monoxide and hydrogen change with the H2/CO ratio.

An increase of the methane selectivity and a small decrease of the growth factor also accompanied these changes.

Hence, the selectivity of the catalyst should be the key parameter to be optimized for FTS, and the enhancement of C5+ selectivity and suppression of methane selectivity are quite crucial [8].

As be observed, with the concurrent decreased of TR and TOS, the low values of methane selectivity can be obtained at a constant H2/CO ratio.