Dataset.
Supplementary Material of Ash interaction with two Cu-based magnetic oxygen carriers during biomass combustion by the CLOU process [Dataset]
Digital.CSIC. Repositorio Institucional del CSIC
oai:digital.csic.es:10261/371905
Digital.CSIC. Repositorio Institucional del CSIC
- Filsouf, Amirhossein
- Adánez-Rubio, Iñaki
- Mendiara, Teresa
- Abad Secades, Alberto
- Adánez Elorza, Juan
Under a Creative Commons BY license 4.0, https://creativecommons.org/licenses/by/4.0/, After 15 h of pine sawdust combustion, in the case of the Cu30MnFe oxygen carrier
shows unstable operation in the continuous unit and attributed to the high generation of
fines as it can be seen in Figure S1b, where fines particles can be seen together with
oxygen carrier particles partially broken. However, it was not detected physical
deposition of ashes over the particle surface in both cases of used oxygen carriers
Cu30MnFe and Cu30MnFekao7.5, see Figures S1b and S1d, respectively.--
In Figure S2 a uniform distribution of three metal oxides of the oxygen carrier in the fresh
Cu30MnFe sample is observed.-- Figure S3 depict the distribution of Cu oxide, Mn oxide, and Fe oxide, which remained
unchanged during combustion in the plant. Therefore, there was no interaction between
the oxygen carrier Cu30MnFe and biomass ash.-- Figure S3. SEM-EDX mapping of used Cu30MnFe.-- Figure S4 presents SEM-EDX elemental mapping of the fresh Cu30MnFekao7.5. It
reveals that Cu oxide, Mn oxide, and Fe oxide are homogeneously distributed within the
particle, along with kaolin, which includes Al and Si. K, Mg, and Ca are also present
throughout the particle, but are not concentrated in any specific areas.-- Figure S5 presents the SEM-EDX elemental mapping of the used Cu30MnFekao7.5. It
shows that K is accumulated in regions containing Al and Si, identified as kaolin. In these
areas, the concentration of Cu, Mn, and Fe oxides is low.-- Figure S6 presents BSE images of the two particles of Cu30MnFekao7.5 oxygen carrier
after 56 hours of combustion. The EDX results reveal that accumulative K can be
observed in the darker areas, particularly where there is a high concentration of kaolin.
Specifically, at points 13, 15, 16, and 17, where Si and Al are present in the used oxygen
carrier Cu30MnFekao7.5, K is also detected. Conversely, at points 14 and 18, where the
concentration of Si and Al, indicative of kaolin, are low and the levels of Cu, Mn, and Fe
are high, no K is detected. Additionally, surface-section images in Figs. S6b and S6c
show that the amount of K on the surface is significantly lower compared to the interior
of the particle.-- Figure S7 presents the SEM line scan image of the cross-section of the used oxygen
carrier Cu30MnFekao7.5. The image reveals that K accumulates in regions where Al and
Si are present, which corresponds to kaolin within the particle. In these areas, the
concentrations of Cu, Mn, and Fe oxides are low, while the concentrations of Si and Al
are high.-- Figure S8 presents the SEM-EDX elemental mapping of the surface of the used oxygen
carrier, Cu30MnFekao7.5. The analysis indicates the presence of minor amounts of Al
and Si on the particle surface, with no significant accumulation of K detected.-- Although in SEM-EDX photos for oxygen carrier Cu30MnFe be observed that metal
oxides are distributed homogeneously but in Figure S9, free CuO could be found by XRD.
It means this free Cu oxide can improve oxygen transport capacity as active phase
compared to the fresh oxygen carrier which data in Table 1 confirm this additional
potential to release oxygen., This work was supported by PDC2021-121190-I00/AEI/10.13039/501100011033, financed by MCIN/AEI/10.13039/501100011033 and the European Union NextGenerationEU/PRTR. I.A.-R. acknowledges the Juan de la Cierva Programme (Grant IJC2019-038987-I funded by MCIN/AEI/10.13039/501100011033) and the Ramón y Cajal Programme (Grant RYC2022-035841-I funded by MCIU/AEI/10.13039/501100011033 and FSE+)., Peer reviewed
Proyecto:
AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PDC2021-121190-I00
DOI: http://hdl.handle.net/10261/371905
Digital.CSIC. Repositorio Institucional del CSIC
oai:digital.csic.es:10261/371905
HANDLE: http://hdl.handle.net/10261/371905
Digital.CSIC. Repositorio Institucional del CSIC
oai:digital.csic.es:10261/371905
Ver en: http://hdl.handle.net/10261/371905
Digital.CSIC. Repositorio Institucional del CSIC
oai:digital.csic.es:10261/371905
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Digital.CSIC. Repositorio Institucional del CSIC
oai:digital.csic.es:10261/371905
Dataset. 2024
SUPPLEMENTARY MATERIAL OF ASH INTERACTION WITH TWO CU-BASED MAGNETIC OXYGEN CARRIERS DURING BIOMASS COMBUSTION BY THE CLOU PROCESS [DATASET]
Digital.CSIC. Repositorio Institucional del CSIC
- Filsouf, Amirhossein
- Adánez-Rubio, Iñaki
- Mendiara, Teresa
- Abad Secades, Alberto
- Adánez Elorza, Juan
Under a Creative Commons BY license 4.0, https://creativecommons.org/licenses/by/4.0/, After 15 h of pine sawdust combustion, in the case of the Cu30MnFe oxygen carrier
shows unstable operation in the continuous unit and attributed to the high generation of
fines as it can be seen in Figure S1b, where fines particles can be seen together with
oxygen carrier particles partially broken. However, it was not detected physical
deposition of ashes over the particle surface in both cases of used oxygen carriers
Cu30MnFe and Cu30MnFekao7.5, see Figures S1b and S1d, respectively.--
In Figure S2 a uniform distribution of three metal oxides of the oxygen carrier in the fresh
Cu30MnFe sample is observed.-- Figure S3 depict the distribution of Cu oxide, Mn oxide, and Fe oxide, which remained
unchanged during combustion in the plant. Therefore, there was no interaction between
the oxygen carrier Cu30MnFe and biomass ash.-- Figure S3. SEM-EDX mapping of used Cu30MnFe.-- Figure S4 presents SEM-EDX elemental mapping of the fresh Cu30MnFekao7.5. It
reveals that Cu oxide, Mn oxide, and Fe oxide are homogeneously distributed within the
particle, along with kaolin, which includes Al and Si. K, Mg, and Ca are also present
throughout the particle, but are not concentrated in any specific areas.-- Figure S5 presents the SEM-EDX elemental mapping of the used Cu30MnFekao7.5. It
shows that K is accumulated in regions containing Al and Si, identified as kaolin. In these
areas, the concentration of Cu, Mn, and Fe oxides is low.-- Figure S6 presents BSE images of the two particles of Cu30MnFekao7.5 oxygen carrier
after 56 hours of combustion. The EDX results reveal that accumulative K can be
observed in the darker areas, particularly where there is a high concentration of kaolin.
Specifically, at points 13, 15, 16, and 17, where Si and Al are present in the used oxygen
carrier Cu30MnFekao7.5, K is also detected. Conversely, at points 14 and 18, where the
concentration of Si and Al, indicative of kaolin, are low and the levels of Cu, Mn, and Fe
are high, no K is detected. Additionally, surface-section images in Figs. S6b and S6c
show that the amount of K on the surface is significantly lower compared to the interior
of the particle.-- Figure S7 presents the SEM line scan image of the cross-section of the used oxygen
carrier Cu30MnFekao7.5. The image reveals that K accumulates in regions where Al and
Si are present, which corresponds to kaolin within the particle. In these areas, the
concentrations of Cu, Mn, and Fe oxides are low, while the concentrations of Si and Al
are high.-- Figure S8 presents the SEM-EDX elemental mapping of the surface of the used oxygen
carrier, Cu30MnFekao7.5. The analysis indicates the presence of minor amounts of Al
and Si on the particle surface, with no significant accumulation of K detected.-- Although in SEM-EDX photos for oxygen carrier Cu30MnFe be observed that metal
oxides are distributed homogeneously but in Figure S9, free CuO could be found by XRD.
It means this free Cu oxide can improve oxygen transport capacity as active phase
compared to the fresh oxygen carrier which data in Table 1 confirm this additional
potential to release oxygen., This work was supported by PDC2021-121190-I00/AEI/10.13039/501100011033, financed by MCIN/AEI/10.13039/501100011033 and the European Union NextGenerationEU/PRTR. I.A.-R. acknowledges the Juan de la Cierva Programme (Grant IJC2019-038987-I funded by MCIN/AEI/10.13039/501100011033) and the Ramón y Cajal Programme (Grant RYC2022-035841-I funded by MCIU/AEI/10.13039/501100011033 and FSE+)., Peer reviewed
Proyecto: AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PDC2021-121190-I00
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