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Cited by 162

The DOI matches its Crossref record; 22 of the 22 references it cites were found in a registry or an index.

Surface Properties and Chemical Composition of Corncob and Miscanthus Biochars: Effects of Production Temperature and Method

Open access
Budai, Alice, Wang, Liang, Gronli, Morten, Strand, Line Tau, Antal, Michael J., Abiven, Samuel, Dieguez-Alonso, Alba, Anca-Couce, Andres, Rasse, Daniel P.·2014·Journal of Agricultural and Food Chemistry

Abstract

Biochar properties vary, and characterization of biochars is necessary for assessing their potential to sequester carbon and improve soil functions. This study aimed at assessing key surface properties of agronomic relevance for products from slow pyrolysis at 250-800 °C, hydrothermal carbonization (HTC), and flash carbonization. The study further aimed at relating surface properties to current characterization indicators. The results suggest that biochar chemical composition can be inferred from volatile matter (VM) and is consistent for corncob and miscanthus feedstocks and for the three tested production methods. High surface area was reached within a narrow temperature range around 600 °C, whereas cation exchange capacity (CEC) peaked at lower temperatures. CEC and pH values of HTC chars differed from those of slow pyrolysis biochars. Neither CEC nor surface area correlated well with VM or atomic ratios. These results suggest that VM and atomic ratios H/C and O/C are good indicators of the degree of carbonization but poor predictors of the agronomic properties of biochar.

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Crossref · 10.1021/jf501139f

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Metadata

Authors
Budai, A., Wang, L., Gronli, M., Strand, L. T., Antal, M. J., Abiven, S., Dieguez-Alonso, A., Anca-Couce, A., & Rasse, D. P.
Venue
Journal of Agricultural and Food Chemistry
Published
2014-04-22
Volume
62
Issue
17
Pages
3791-3799
ISSN
  • 0021-8561 (ISSN-L)
  • 1520-5118
OpenAlex
W2013492706
Cited by
162
References
22
FWCI
7.45
Type
journal article
Language
en
Open access
green

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