Co-gasification of high ash biomass and high ash coal in downdraft gasifier.
Biomass ratio
Co-gasification
Downdraft gasifier
Garden waste pellets
High ash coal
Journal
Bioresource technology
ISSN: 1873-2976
Titre abrégé: Bioresour Technol
Pays: England
ID NLM: 9889523
Informations de publication
Date de publication:
Feb 2019
Feb 2019
Historique:
received:
04
10
2018
revised:
02
11
2018
accepted:
04
11
2018
pubmed:
16
11
2018
medline:
21
5
2019
entrez:
16
11
2018
Statut:
ppublish
Résumé
The present work studies gasification of high ash biomass (20-25% w/w), high ash coal (30-35% w/w), and their co-gasification in a downdraft gasifier developed in our earlier study (Siddiqui et al., 2018). TGA studies were performed to examine the change in performance due to the catalytic effect of inorganic content. The effect of biomass ratio (BR) was examined. Higher percentage of biomass increased the conversion to gas on carbon basis, and decreased the conversions to char and tar. The presence of coal enhanced the temperature and hence the rates of the reactions to certain extent. The respective cold gas and thermal efficiencies for BR0 are 33.06% and 49.38%, and for BR1 are 52.22% and 64.15%. BR0.75 gave the best performance with CGE of 57.5% and thermal efficiency of 72.63%. Finally, the clinker formation issue and the preliminary atmospheric emissions measurements are reported for gasifier.
Identifiants
pubmed: 30439634
pii: S0960-8524(18)31527-X
doi: 10.1016/j.biortech.2018.11.007
pii:
doi:
Substances chimiques
Coal
0
Coal Ash
0
Carbon
7440-44-0
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
159-168Informations de copyright
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