Activated carbon produced from waste coffee grounds for an effective removal of bisphenol-A in aqueous medium
|Author:||Fonseca Alves, Andreia Cristina1; Pacheco Antero, Romario Victor2; de Oliveira, Sergio Botelho3;|
1School of Civil and Environmental Engineering, Federal University of Goiás, Av. Universitária, n.1488, Setor Universitário, Goiânia, GO CEP: 74605-220, Brazil
2Institute of Chemistry, University of Brasília, Campus Universitário Darcy Ribeiro, P.O. Box 4478, Brasília, DF CEP 70904-970, Brazil
3Posgraduate in Sustainable Process Technology, Federal Institute of Goiás, Rua 75, n.46, Centro, Goiânia, GO CEP: 74055-110, Brazil
4Environmental and Chemical Engineering, Faculty of Technology, University of Oulu, P.O. Box 4300, FI-90014 Oulu, Finland
|Persistent link:|| http://urn.fi/urn:nbn:fi-fe2019081223940
|Publish Date:|| 2020-06-25
Bisphenol-A is widely used chemical in industry and unfortunately often detected in natural waters. Considered as an emerging pollutant, bisphenol-A represents an environmental problem due to its endocrine-disrupting behavior. The production of activated carbon from alternative precursors has shown to be attractive in the removal of emerging pollutants from the water. Activated carbon was produced from waste coffee by physical and chemical activation and applied in the removal of bisphenol-A. The samples were characterized by elemental analysis, scanning electron microscopy, X-ray diffraction, Fourier transform infrared spectroscopy, and analysis of textural properties. Bisphenol-A adsorption experiments showed that the chemically activated carbon was more efficient due to its high specific surface area (1039 m2/g) compared to the physically activated carbon (4.0 m2/g). The bisphenol-A adsorption data followed the pseudo-second-order model and Langmuir isotherm, which indicated a maximum adsorption capacity of 123.22 mg/g for chemically activated carbon. The results demonstrated a potential use of the coffee grounds as a sustainable raw material for the production of chemically activated carbon that could be used in water treatment.
Environmental science and pollution research
|Pages:||24850 - 24862|
|Type of Publication:||
A1 Journal article – refereed
|Field of Science:||
218 Environmental engineering
The authors acknowledge the support of the Federal University of Goiás (UFG), the Federal Institute of Goiás (IFG) and the Foundation for Research (FAPEG) for the master’s scholarship.
© Springer-Verlag GmbH Germany, part of Springer Nature 2019. This is a post-peer-review, pre-copyedit version of an article published in Environ Sci Pollut Res. The final authenticated version is available online at: https://doi.org/10.1007/s11356-019-05717-7.