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Biochar physicochemical properties: pyrolysis temperature and feedstock kind effects

Reviews in environmental science and biotechnology, 2020-03, Vol.19 (1), p.191-215

The Author(s) 2020 ;Reviews in Environmental Science and Bio/Technology is a copyright of Springer, (2020). All Rights Reserved. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;ISSN: 1569-1705 ;EISSN: 1572-9826 ;DOI: 10.1007/s11157-020-09523-3

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Title:
Biochar physicochemical properties: pyrolysis temperature and feedstock kind effects
Author: Tomczyk, Agnieszka ; Sokołowska, Zofia ; Boguta, Patrycja
Subjects: Animal wastes ; Ashes ; Atmospheric Protection/Air Quality Control/Air Pollution ; Biomass ; Biomaterials ; Biomedical materials ; Carbon ; Carbon content ; Carbon sequestration ; Cellulose ; Charcoal ; Crop residues ; Earth and Environmental Science ; Environment ; Environmental Engineering/Biotechnology ; Hardwoods ; Lignin ; Liming ; Microbiology ; Moisture content ; Organic matter ; pH effects ; Physicochemical properties ; Porosity ; Properties (attributes) ; Pyrolysis ; Raw materials ; Review Paper ; Soil fertility ; Soil improvement ; Soil moisture ; Soil porosity ; Soil properties ; Soil quality ; Soil remediation ; Soil temperature ; Soils ; Solid wastes ; Specific surface ; Surface area ; Temperature ; Water content
Is Part Of: Reviews in environmental science and biotechnology, 2020-03, Vol.19 (1), p.191-215
Description: Biochar is a pyrogenous, organic material synthesized through pyrolysis of different biomass (plant or animal waste). The potential biochar applications include: (1) pollution remediation due to high CEC and specific surface area; (2) soil fertility improvement on the way of liming effect, enrichment in volatile matter and increase of pore volume, (3) carbon sequestration due to carbon and ash content, etc. Biochar properties are affected by several technological parameters, mainly pyrolysis temperature and feedstock kind, which differentiation can lead to products with a wide range of values of pH, specific surface area, pore volume, CEC, volatile matter, ash and carbon content. High pyrolysis temperature promotes the production of biochar with a strongly developed specific surface area, high porosity, pH as well as content of ash and carbon, but with low values of CEC and content of volatile matter. This is most likely due to significant degree of organic matter decomposition. Biochars produced from animal litter and solid waste feedstocks exhibit lower surface areas, carbon content, volatile matter and high CEC compared to biochars produced from crop residue and wood biomass, even at higher pyrolysis temperatures. The reason for this difference is considerable variation in lignin and cellulose content as well as in moisture content of biomass. The physicochemical properties of biochar determine application of this biomaterial as an additive to improve soil quality. This review succinctly presents the impact of pyrolysis temperature and the type of biomass on the physicochemical characteristics of biochar and its impact on soil fertility.
Publisher: Dordrecht: Springer Netherlands
Language: English
Identifier: ISSN: 1569-1705
EISSN: 1572-9826
DOI: 10.1007/s11157-020-09523-3
Source: SpringerOpen
AUTh Library subscriptions: ProQuest Central

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Biochar physicochemical properties: pyrolysis temperature and feedstock kind effects

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