Evolution characteristics of gases during pyrolysis of maceral ...

The evolution characteristics of gaseous products during pyrolysis were studied with four samples of vitrinite-rich and four samples of fusinite-rich ...

The gases evolved during thermogravimetric analysis of the maceral concentrates were analysed by gas chromatography for the content of methane, hydrogen, carbon ...

Characteristics of gas evolution profiles during coal pyrolysis and its ...

The qualitative and quantitative data reveal that, during coal pyrolysis, the functional groups related with the formation of CO, i.e., ether, ...

Characteristics of gas evolution profiles during coal pyrolysis and its ...

The qualitative and quantitative data reveal that, during coal pyrolysis, the functional groups related with the formation of CO, i.e., ether, ...

Pyrolysis Characteristics of Maceral Concentrates from Shendong ...

The pyrolysis gas products mainly contain H2, CO, CO2, CH4, and other hydrocarbon gases, and different gas presents a different evolution trend during pyrolysis ...

Characteristics and the Model of Thermal Evolution and Gas ...

Hydrous pyrolysis shows that the gas production potential of coal is excellent. The gases produced consist mainly of CH4, C2–, CO2, and H2. C ...

Pyrolysis characteristics and microstructure evolution of different ...

Figure 3 shows the changes in main gas composition and content of 3 coal samples with temperature during the pyrolysis process in a nitrogen ...

Effects of Functional Groups in Coal with Different Vitrinite/Inertinite ...

When the pyrolysis temperature is lower than 400 °C, the higher the inertinite content, the easier it is to produce CO2, whereas an increase in ...

LASER DESORPTION MASS SPECTROMETRY AND SMALL ...

The aim of this work is to study the evolution behavior of evolved gases during ... Table 3 The characteristic parameters of Shenmu macerals during pyrolysis ...

Characteristics of Pore Evolution and Its Maceral Contributions in ...

Characteristics of Pore Evolution and Its Maceral Contributions in the Huolinhe Lignite during Coal Pyrolysis · 15 Citations · 56 References.

Study on the pyrolysis behavior of Shendong Shangwan coal and its ...

Three samples have similar shape curves of evolved gases of C2–C5 with different intensities. When the pyrolysis temperature was lower than 418 ...

Pyrolysis characteristics and kinetics analysis of Qinghua coal ...

In the fast pyrolysis stage, vitrinite exhibits greater mass loss rate and also maximum mass loss rate than inertinite. The main reason is that the relative ...

Prediction of the evolution characteristics of volatile matter over semi ...

T. K. Das, Evolution characteristics of gases during pyrolysis of maceral concentrates of Russian coking coals, Fuel, 80 (2001) 489–500. https:// ...

Prediction of the evolution characteristics of volatile matter over semi ...

Evolution characteristics of gases during pyrolysis of maceral concentrates of Russian coking coals · T. Das. Environmental Science, Chemistry. 2001. 87 ...

The characteristics of maceral in Huangling coal and its in-situ ...

The pyrolysis process of vitrinite goes through the stages of edge shrinking, pore formation, surface softening, the formation of liquid phase, ...

A study on vitrinite and inertinite interaction in pyrolysis of 3 coals

Das, Evolution characteristics of gases during pyrolysis of maceral concentrates of Russian coking coals, Fuel, № 80, с. 489 https://doi.org/10.1016/S0016 ...

Effects of Functional Groups in Coal with Different Vitrinite/Inertinite ...

(18) Vitrinite is the main hydrocarbon-generating maceral in coal, and its pyrolysis gas (CH4, H2O, H2, CO2, and CO) production capacity is ...

Hydrocarbon gas-generating potential and pyrolysis characteristics ...

In contrary to the evolution trend of carbon, the oxygen and hydrogen contents decrease. Table 2 — Generated gas weight of coal and its macerals at 750 oC.

mechanism of macerals separated from different coals - NTU > IRep

The pyrolysis characteristic parameters of each sample after further analysis are shown in ... evolution of H2 and CH4 during pyrolysis can be available in Fig. 6 ...

Thermal Behavior and Kinetics of Shenmu Coal Pyrolyzed under ...

The pyrolysis characteristics of Shenmu coal under an atmosphere containing H2 (40%) and another containing CH4 (40%) were studied via a ...