Characteristics and synergistic effects of co-pyrolysis of yinning coal and poplar sawdust
| Autor: | Qiaoling Hao, Yonghui Bai, Shenghua Zhu, Fan Li, Lunjing Yan |
|---|---|
| Rok vydání: | 2016 |
| Předmět: |
synergies
co-pyrolysis General Chemical Engineering Biomass Retort complex mixtures poplar sawdust aluminum retort carbonization law.invention law otorhinolaryngologic diseases Coal Char lcsh:Chemical engineering lcsh:HD9650-9663 Carbonization Chemistry business.industry technology industry and agriculture lcsh:TP155-156 Tar Pulp and paper industry visual_art visual_art.visual_art_medium Sawdust business Pyrolysis lcsh:Chemical industries |
| Zdroj: | Chemical Industry and Chemical Engineering Quarterly, Vol 22, Iss 1, Pp 1-8 (2016) |
| ISSN: | 2217-7434 1451-9372 |
| DOI: | 10.2298/ciceq141125012z |
| Popis: | Co-process of biomass and coal is perceived as a way to enhance the energy utilization by virtue of the integrated and interactive effects between different types of carbonaceous fuels. The purpose of this study was to investigate the co-pyrolysis characteristics of Yining coal and poplar sawdust, and to determine whether there is any synergistic effect in pyrolytic product yields. The coal was blended with sawdust at a mass fraction of 9:1, 7:3, 5:5, 3:7 and 1:9 respectively. The change of char yields, maximum weight loss rate and the corresponding temperature of different coal/sawdust blends during pyrolysis were compared by thermogravimetric analysis (TG). The total tar yields during separate coal, sawdust as well as their blends pyrolysis were acquired from the low temperature aluminum retort distillation test. By compare the experimental and theoretical value of the char yields from TG and tar yields from carbonization test, it was observed that co-pyrolysis of coal/sawdust blends produced less char and tar than the total amount produced by separate coal and sawdust pyrolysis. The different product distribution suggested that there was synergy effect in gas product yields. The co-pyrolysis of demineralized and devolatilized sawdust with coal indicated that the ash in the sawdust was the main contributor to the synergistic effect. |
| Databáze: | OpenAIRE |
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