The Impact of Nutshell Biochar on the Environment as an Alternative Fuel or as a Soil Amendment

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60460709%3A41310%2F23%3A94576" target="_blank" >RIV/60460709:41310/23:94576 - isvavai.cz</a>

Alternative codes found

RIV/60460709:41110/23:94576 RIV/60460709:41210/23:94576

Result on the web

<a href="https://www.mdpi.com/1996-1944/16/5/2074" target="_blank" >https://www.mdpi.com/1996-1944/16/5/2074</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.3390/ma16052074" target="_blank" >10.3390/ma16052074</a>

Result language

angličtina

Original language name

The Impact of Nutshell Biochar on the Environment as an Alternative Fuel or as a Soil Amendment

Original language description

Walnut, pistachio, and peanut nutshells were treated by pyrolysis to biochar and analyzed for their possible usage as fuels or soil fertilizers. All the samples were pyrolyzed to five different temperatures, i.e., 250 degrees C, 300 degrees C, 350 degrees C, 450 degrees C, and 550 degrees C. Proximate and elemental analyses were carried out for all the samples, as well as calorific value and stoichiometric analysis. For sample usage as a soil amendment, phytotoxicity testing was performed and the content of phenolics, flavonoids, tannin, juglone, and antioxidant activity were determined. To characterize the chemical composition of walnut, pistachio, and peanut shells, lignin, cellulose, holocellulose, hemicellulose, and extractives were determined. As a result, it was found that walnut shells and pistachio shells are best pyrolyzed at the temperature of 300 degrees C and peanut shells at the temperature of 550 degrees C for their use as alternative fuels. The highest measured net calorific value was in pistachio shells, which were biochar pyrolyzed at 550 degrees C, of 31,35 MJ kg(-1). On the other hand, walnut biochar pyrolyzed at 550 degrees C had the highest ash share of 10,12% wt. For their use as soil fertilizers, peanut shells were the most suitable when pyrolyzed at 300 degrees C, walnut shells at 300 and 350 degrees C, and pistachio shells at 350 degrees C.

Czech name

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Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

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OECD FORD branch

20704 - Energy and fuels

Project

—

Continuities

S - Specificky vyzkum na vysokych skolach

Publication year

2023

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Materials

ISSN

1996-1944

e-ISSN

1996-1944

Volume of the periodical

16

Issue of the periodical within the volume

5

Country of publishing house

CH - SWITZERLAND

Number of pages

18

Pages from-to

1-18

UT code for WoS article

000946922900001

EID of the result in the Scopus database

2-s2.0-85149902415