A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
Effect of tire-char ash on the extent of synergy during CO2 co-gasification with hydrochar from potassium-rich coconut fiber (2020)


Hungwe, Douglas; Khoshbouy, Reza; Ullah, Saleem; Ding, Lu; Yoshikawa, Kunio; Takahashi, Fumitake (2020). Effect of tire-char ash on the extent of synergy during CO2 co-gasification with hydrochar from potassium-rich coconut fiber. Energy and Fuels, 34 (7), 8110–8119. DOI: 10.1021/acs.energyfuels.0c00895


JYU-tekijät tai -toimittajat


Julkaisun tiedot

Julkaisun kaikki tekijät tai toimittajat: Hungwe, Douglas; Khoshbouy, Reza; Ullah, Saleem; Ding, Lu; Yoshikawa, Kunio; Takahashi, Fumitake

Lehti tai sarja: Energy and Fuels

ISSN: 0887-0624

eISSN: 1520-5029

Julkaisuvuosi: 2020

Volyymi: 34

Lehden numero: 7

Artikkelin sivunumerot: 8110–8119

Kustantaja: American Chemical Society

Julkaisumaa: Yhdysvallat (USA)

Julkaisun kieli: englanti

DOI: https://doi.org/10.1021/acs.energyfuels.0c00895

Avoin saatavuus: Julkaisukanava ei ole avoin

Julkaisu on rinnakkaistallennettu (JYX): https://jyx.jyu.fi/handle/123456789/70166


Tiivistelmä

The influence of inherent tire char ash during co-gasification with coconut hydrochar prepared at different intensities was investigated by thermogravimetric analysis to ascertain the extent to which synergistic interaction, reactivity, and activation energy reduction were altered. High-ash tire tread (TT) and low-ash sidewall (SW) both exhibited enhanced synergy, reactivity, and activation reduction upon co-gasification with hydrochars; however, the extent of promotion was more pronounced in SW-hydrochar blends. This difference was caused by the inhibiting nature of TT inherent ash, particularly the role of Si-containing compounds. Inhibition in TT-hydrochar blends was mainly due to the promotion of alkaline and alkaline earth metal transformation into inactive silicates, and to a lesser extent, the mass transfer effect caused by accumulated ash, especially at conversions higher than 70\%. The extent of enhancement correlated well with the concentration of available alkaline and alkaline earth metals. The findings may be useful in justifying the exclusion of high ash tire char as gasification feedstock to mitigate ash-related problems.


YSO-asiasanat: biohiili; biomassa; kookos; jätepolttoaineet; kumi; kaasutus; synergia


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OKM-raportointi: Kyllä


Viimeisin päivitys 2020-18-08 klo 13:40