A feasibility assessment of the production of char using the slow pyrolysis process

Heliyon
Ongama Soka, Oluwaseun Oyekola

Abstract

There is a growing need for the production and use of sustainable biofuels worldwide. One noteworthy approach is the production of biofuels via the thermochemical conversion of lignocellulose biomass. This work studied the production of char via the slow pyrolysis of corn-stover as a suitable supplement or replacement of coal in industrial processes. The char quality was assessed according to the ASTM D388 (American Standard Testing Method), which ranks coals according to their higher heating value (HHV), volatile matter and fixed carbon. Furthermore, an evaluation of the techno-economic feasibility of an industrial scale 30 t/day slow pyrolysis plant was conducted. The techno-economic study was conducted at a char baseline price of $100/ton. A two-level three-factor central composite design (CCD), with response surface methodology (RSM) was used to study the slow-pyrolysis process conditions. Optimisation experiments were conducted at bench-scale gram-level to study the influences of the process condition of char higher heating value (HHV) and yield. Furthermore, this study assessed the techno-economic feasibility of a 30t/day processing plant. The results showed process temperature had the most significant influence on char H...Continue Reading

References

Nov 8, 2012·Bioresource Technology·Yanan ZhangRobert C Brown
Jan 18, 2015·Waste Management & Research : the Journal of the International Solid Wastes and Public Cleansing Association, ISWA·Zahra KhanmohammadiMohammad Reza Mosaddeghi

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Citations

Jun 3, 2021·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Ayobami SalamiReijo Lappalainen

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