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Cited by 513

The DOI matches its Crossref record; 37 of the 37 references it cites were found in a registry or an index.

Adsorption of congo red and methylene blue dyes on an ashitaba waste and a walnut shell-based activated carbon from aqueous solutions: Experiments, characterization and physical interpretations

Open access
Li, Zichao, Hanafy, Hassan, Zhang, Lei, Sellaoui, Lotfi, Schadeck Netto, Matias, Oliveira, Marcos L.S., Seliem, Moaaz K., Luiz Dotto, Guilherme, Bonilla-Petriciolet, Adrian, Li, Qun·2020·Chemical Engineering Journal

Abstract

Abstract Activated carbons were prepared from ashitaba waste and a walnut shell to study the adsorption mechanism of congo red and methylene blue dyes in aqueous solution. These adsorbents were characterized via XRD, FTIR and SEM techniques and the dye adsorption isotherms at three temperatures were quantified. A statistical physics model was applied to interpret the adsorption mechanism of tested dyes and adsorbents. Modeling results showed that these dyes were practically separated in the solution leading to an absence of the aggregation process. Adsorption orientations of dye molecules on the adsorbents changed depending on the temperature and nature of systems. The adsorption capacity of ashitaba waste activated carbon for the removal of congo red was significant thus indicating strong interactions between this dye and tested adsorbent. Calculated adsorption energy varied from 7.25 to 20.43 kJ/mol and they showed that the adsorption of both adsorbates occurred via physical interactions at different temperatures where the removal process was endothermic.

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Metadata

Authors
Li, Z., Hanafy, H., Zhang, L., Sellaoui, L., Schadeck Netto, M., Oliveira, M. L. S., Seliem, M. K., Luiz Dotto, G., Bonilla-Petriciolet, A., & Li, Q.
Venue
Chemical Engineering Journal
Publisher
Elsevier BV
Published
2020-05
Volume
388
Pages
124263
ISSN
1385-8947 (ISSN-L)
OpenAlex
W3004247939
Cited by
513
References
37
FWCI
24.31
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Adsorption of congo red and methylene blue dyes on an ashitaba waste and a walnut shell-based activated carbon from aqueous solutions: Experiments, characterization and physical interpretations. https://app.cochat.ai/papers/10.1016/j.cej.2020.124263
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Li, Z., Hanafy, H., Zhang, L., Sellaoui, L., Schadeck Netto, M., Oliveira, M. L. S., Seliem, M. K., Luiz Dotto, G., Bonilla-Petriciolet, A., & Li, Q. (2020). Adsorption of congo red and methylene blue dyes on an ashitaba waste and a walnut shell-based activated carbon from aqueous solutions: Experiments, characterization and physical interpretations. Chemical Engineering Journal. https://doi.org/10.1016/j.cej.2020.124263

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.