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Waste and Biomass Valorization : Volume 1, Issue 1, March 2010

Biochar from Biomass and Waste

Content Provider	Springer Nature Link
Author	Kwapinski, W. Byrne, C. M. P. Kryachko, E. Wolfram, P. Adley, C. Leahy, J. J. Novotny, E. H. Hayes, M. H. B.
Copyright Year	2010
Abstract	There is an increasing realisation that biomass and organic wastes are valuable feedstocks for second generation biorefining processes that give rise to platform chemicals to substitute for dwindling petrochemical resources, and for pyrolysis processes that produce syngas, bio-oil, and biochar from biomass, organic wastes, and the biorefining residuals of the future. The experimental work described has focused on physical properties and compositions of biochars produced from miscanthus (Miscanthus × giganteus), willow (Salix spp) and pine (Pinus sylvestris) at 500°C and at 400, 500, and 600°C in the case of the miscanthus. Although the morphologies of the cell structures were maintained in the pyrolysis, the surface area of the miscanthus biochar was greatly increased by heating at 600°C for 60 min. Nuclear magnetic resonance spectra showed the disappearance of evidence for the carbohydrate and lignin plant components as the pyrolysis temperature was raised, and the compositions of miscanthus biochars after heating for 10 and for 60 min at 600°C were very similar and composed of fused aromatic structures and with no traces of the aliphatic components in the starting materials. In greenhouse and growth chamber experiments the growth of maize (Zea mays L) seedlings was found to be inhibited by soil amendments with biochar from miscanthus formed at 400°C for 10 min, but stimulated by miscanthus char formed at 600°C for 60 min. In the course of discussion the relevance of the results obtained is related to the roles that soil amendments with biochar can have on soil fertility, carbon sequestration, on the emissions of greenhouse gases from soil, on fertilizer requirements, and on waste management. It is clear that biochar soil amendments can have definite agronomic and environmental benefits, but it will be essential to have clear guidelines for biochar production from various feedstocks and under varying pyrolysis parameters. It will be equally important to have a classification system for biochars that clearly indicate the product compositions that will meet acceptable standards. A case can be made for sets of standard biochars from different substrates that meet the required criteria.
Starting Page	177
Ending Page	189
Page Count	13
File Format	PDF
ISSN	18772641
Journal	Waste and Biomass Valorization
Volume Number	1
Issue Number	2
e-ISSN	1877265X
Language	English
Publisher	Springer Netherlands
Publisher Date	2010-06-12
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Biochar Biomass Waste Pyrolysis Thermal conversion Plant growth Carbon sequestration Environmental Engineering/Biotechnology Waste Management/Waste Technology Industrial Pollution Prevention Renewable and Green Energy Environment Engineering
Content Type	Text
Resource Type	Article
Subject	Waste Management and Disposal Environmental Engineering Renewable Energy, Sustainability and the Environment

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Biochar as an Exceptional Bioresource for Energy, Agronomy, Carbon Sequestration, Activated Carbon and Specialty Materials

Effect of Temperature on Biochar Product Yield from Selected Lignocellulosic Biomass in a Pyrolysis Process

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Biochar from Biomass and Waste

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