Ecotoxicological Effects of Biochar Obtained from Spent Coffee Grounds

被引：0
|
作者：
de Souza, Lorrana Zelia Martins [1 ]
Pinto, Bruna Cristina [1 ]
Alves, Adriana Barboza [1 ]
Ribeiro, Amanda Vanessa de Oliveira [2 ]
Feliciano, Debora Cristina Teodoro [2 ]
da Silva, Luisa Heringer [2 ]
Dias, Thiago Tales Moraes [2 ]
Yilmaz, Murat [3 ]
de Oliveira, Magno Andre [4 ,5 ]
Bezerra, Augusto Cesar da Silva [5 ]
Ferreira, Osania Emerenciano [1 ]
Lima, Robson Pereira de [6 ]
Pimenta, Lucia Pinheiro do Santos [7 ]
Machado, Alan Rodrigues Teixeira [1 ,2 ,8 ]
机构：
[1] Univ Estado Minas Gerais, Programa Posgrad Ciencias Ambientais, Frutal, MG, Brazil
[2] Ctr Univ Belo Horizonte, Belo Horizonte, MG, Brazil
[3] Osmaniye Korkut Ata Univ, Fac Engn, Dept Chem Engn, TR-80000 Osmaniye, Turkey
[4] Univ Fed Ouro Preto, Programa Posgrad Engn Geotecn, Ouro Preto, MG, Brazil
[5] Ctr Fed Educ Tecnol Minas Gerais, Dept Engn Transportes, Belo Horizonte, MG, Brazil
[6] Univ Estado Minas Gerais, Dept Geociencias Ciencias Humanas & Letras, Joao Monlevade, MG, Brazil
[7] Univ Fed Minas Gerais, Dept Quim, Belo Horizonte, MG, Brazil
[8] Univ Estado Minas Gerais, Dept Ciencias Exatas, Joao Monlevade, MG, Brazil
来源：
MATERIALS RESEARCH-IBERO-AMERICAN JOURNAL OF MATERIALS | 2022年 / 25卷
关键词：
Lettuce; Germination; Conditioner; Soil; Pyrolysis; Phytotoxicity; SEED-GERMINATION; SOIL; GROWTH; PYROLYSIS;
D O I：
10.1590/1980-5373-MR-2022-0013
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The objective of this work is to investigate the conversion of spent coffee grounds (SCG) into biochar (BSC) and the ecotoxicological effects of the product obtained. The SCG and BSC were characterized by characterized by different techniques (TGA/DTG, FTIR, XRD, SEM, EDS, and EDXRF). Proton Nuclear Magnetic Resonance (1H NMR) was used to characterize the aqueous extract of BSC. The inhibitory effect on lettuce (Lactuca sativa) germination was investigated. Besides, antimicrobial activity evaluation trials were conducted withAzospirillum brasilense and Trichoderma spp. The results showed that in the BSC production process, the extractives and lignocellulosic components in the SCG were partly decomposed. Tests conducted with microorganisms did not reveal any toxic effect of BSC. However, high phytotoxicity against lettuce was recorded for rate 100 t/ha of BSC. This effect was associated with the presence of carboxylic acids identified by 1H NMR in the BSC extract aqueous.
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页数：9
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