Renewable Energies and Blue Economy: New Trends in Global Research

Manso, José Ramos Pires; Martínez-Vázquez, Rosa María; Milán-García, Juan; Valenciano, Jaime de Pablo

doi:10.3390/en16104210

Cited by 6 publications

(3 citation statements)

References 89 publications

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“…A high steam concentration promotes pyrolysis towards the generation of more H 2 and CO 2 [23]: CO + H 2 O → CO 2 + H 2 . In [2], a more humid fraction gave a higher quality gas Appl. Sci.…”

Section: Materials Experimental Setup and Proceduresmentioning

confidence: 99%

“…A hig concentration promotes pyrolysis towards the generation of more H2 and CO2 [2 H2O → CO2 + H2. In [2], a more humid fraction gave a higher quality gas product of the yield of carbon monoxide and hydrogen. However, many studies on stea cation (for example, [24,25]) indicate that an excess amount of water vapor can w reactions, lower the temperature, and, as a result, worsen the composition of the s gas.…”

Section: Materials Experimental Setup and Proceduresmentioning

confidence: 99%

“…Renewable energy sources are of increased interest due to the high global demand for energy, unstable prices for fossil fuels, and significant climate change [1,2]. The consumption of fossil fuels has dramatically changed the balance of the carbon cycle and exacerbated pollution.…”

Section: Introductionmentioning

confidence: 99%

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Microwave Pyrolysis of Woody Biomass: Influence of Radiation Power on the Composition of Conversion Products

et al. 2023

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Biomass is a promising resource for the production of renewable energy, liquid fuels, and chemicals. Microwave pyrolysis is one of the directions of multifunctional conversion of raw materials. In the present work, the effect of microwave power on the characteristics of sawdust pyrolysis is studied. With an increase in power, the maximum yield of combustible gases increased, and a large proportion of the total pyrolysis time included the useful time for the release of gases. An increase in power affected the yield of individual gases non-linearly and on a different scale. The average yield of CO and CO2 remained practically unchanged when the microwave power was increased from 840 to 1760 W. However, with a further increase in power to 2200 W, there was a significant increase in the average yield of CO and CO2 (2.5 and 1.4 times, respectively). An increase in power by 2.6 times contributed to an increase in the average yield of CH4 by 5 times and H2 by 3.8 times. The increased power of microwaves contributed to the degassing of wood and intensification of secondary pyrolysis reactions, which resulted in a decrease in the mass of the solid residue by 5.3 times and a decrease in the liquid product yield by 2.7 times. A comprehensive analysis using MCDA showed that an increase in energy costs with an increase in microwave power is integrally compensated by an improvement in pyrolysis performance. So, when the power was varied from 840 W to 2200 W, the pyrolysis efficiency indicator increased by 1.3–2.2 times, considering the growth in energy consumption.

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Section: Materials Experimental Setup and Proceduresmentioning

confidence: 99%