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Copper-based ternary hydrotalcite as a catalyst for hydroxylation of phenolic compounds

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Copper-based ternary hydrotalcite as a catalyst for hydroxylation of phenolic compounds. / Dai, Rongrong; Liu, Baogui; Zhang, Yan et al.

I: Journal of Environmental Chemical Engineering, Bind 9, Nr. 6, 106390, 12.2021.

Publikation: Bidrag til tidsskrift/Konferencebidrag i tidsskrift /Bidrag til avisTidsskriftartikelForskningpeer review

Harvard

Dai, R, Liu, B, Zhang, Y, Pedersen, JN, Zhang, X, Dong, M & Guo, Z 2021, 'Copper-based ternary hydrotalcite as a catalyst for hydroxylation of phenolic compounds', Journal of Environmental Chemical Engineering, bind 9, nr. 6, 106390. https://doi.org/10.1016/j.jece.2021.106390

APA

Dai, R., Liu, B., Zhang, Y., Pedersen, J. N., Zhang, X., Dong, M., & Guo, Z. (2021). Copper-based ternary hydrotalcite as a catalyst for hydroxylation of phenolic compounds. Journal of Environmental Chemical Engineering, 9(6), [106390]. https://doi.org/10.1016/j.jece.2021.106390

CBE

Dai R, Liu B, Zhang Y, Pedersen JN, Zhang X, Dong M, Guo Z. 2021. Copper-based ternary hydrotalcite as a catalyst for hydroxylation of phenolic compounds. Journal of Environmental Chemical Engineering. 9(6):Article 106390. https://doi.org/10.1016/j.jece.2021.106390

MLA

Vancouver

Dai R, Liu B, Zhang Y, Pedersen JN, Zhang X, Dong M et al. Copper-based ternary hydrotalcite as a catalyst for hydroxylation of phenolic compounds. Journal of Environmental Chemical Engineering. 2021 dec.;9(6):106390. doi: 10.1016/j.jece.2021.106390

Author

Dai, Rongrong ; Liu, Baogui ; Zhang, Yan et al. / Copper-based ternary hydrotalcite as a catalyst for hydroxylation of phenolic compounds. I: Journal of Environmental Chemical Engineering. 2021 ; Bind 9, Nr. 6.

Bibtex

@article{b26dcd14b66b4109b7d076dafd4e269f,
title = "Copper-based ternary hydrotalcite as a catalyst for hydroxylation of phenolic compounds",
abstract = "Hydrotalcites with different cations were synthesized by co-precipitation method and characterized using different techniques. The catalytic activity of the hydrotalcites was studied using hydroxylation of phenol by H 2O 2 as a model reaction. The CuNiAl ternary hydrotalcite was found to be the best catalyst in this work; and the effects of reaction temperature, ratio of substrate:catalyst, H 2O 2 concentration, solvent and pH value of the medium were investigated. The results showed that under optimal reaction conditions, the conversion of phenol can reach up to 62.8%, with catechol and hydroquinone as the main products. The substrate scope was expanded to other phenol-derivatives, such as m-cresol and 3-ethylphenol. A plausible reaction mechanism was proposed based on the control reactions and XPS analysis. The CuNiAl hydrotalcite shows high toxicity (the 48 h LC 50 value of CuNiAl hydrotalcite was 2.12 mg/L) in the acute toxicity tests of Daphnia magna. However, after simple filtration of the solid catalyst, the 48 h LC 50 value of the remaining solution was increased to 83.46 mg/L. In all, the as-synthesized CuNiAl35 hydrotalcite offers a novel biodegradation pathway for in situ treatment of phenol-contaminated water or other phenolic pollutions when applied together with dioxygenases for further degradation of resulting catechols or hydroquinones. ",
keywords = "Catechol, Cu-containing hydrotalcites, Daphnia magna, Hydroxylation, Phenol, Toxicity",
author = "Rongrong Dai and Baogui Liu and Yan Zhang and Pedersen, {Jacob Nedergaard} and Xiaowen Zhang and Mingdong Dong and Zheng Guo",
year = "2021",
month = dec,
doi = "10.1016/j.jece.2021.106390",
language = "English",
volume = "9",
journal = "Journal of Environmental Chemical Engineering",
issn = "2213-3437",
publisher = "Elsevier BV",
number = "6",

}

RIS

TY - JOUR

T1 - Copper-based ternary hydrotalcite as a catalyst for hydroxylation of phenolic compounds

AU - Dai, Rongrong

AU - Liu, Baogui

AU - Zhang, Yan

AU - Pedersen, Jacob Nedergaard

AU - Zhang, Xiaowen

AU - Dong, Mingdong

AU - Guo, Zheng

PY - 2021/12

Y1 - 2021/12

N2 - Hydrotalcites with different cations were synthesized by co-precipitation method and characterized using different techniques. The catalytic activity of the hydrotalcites was studied using hydroxylation of phenol by H 2O 2 as a model reaction. The CuNiAl ternary hydrotalcite was found to be the best catalyst in this work; and the effects of reaction temperature, ratio of substrate:catalyst, H 2O 2 concentration, solvent and pH value of the medium were investigated. The results showed that under optimal reaction conditions, the conversion of phenol can reach up to 62.8%, with catechol and hydroquinone as the main products. The substrate scope was expanded to other phenol-derivatives, such as m-cresol and 3-ethylphenol. A plausible reaction mechanism was proposed based on the control reactions and XPS analysis. The CuNiAl hydrotalcite shows high toxicity (the 48 h LC 50 value of CuNiAl hydrotalcite was 2.12 mg/L) in the acute toxicity tests of Daphnia magna. However, after simple filtration of the solid catalyst, the 48 h LC 50 value of the remaining solution was increased to 83.46 mg/L. In all, the as-synthesized CuNiAl35 hydrotalcite offers a novel biodegradation pathway for in situ treatment of phenol-contaminated water or other phenolic pollutions when applied together with dioxygenases for further degradation of resulting catechols or hydroquinones.

AB - Hydrotalcites with different cations were synthesized by co-precipitation method and characterized using different techniques. The catalytic activity of the hydrotalcites was studied using hydroxylation of phenol by H 2O 2 as a model reaction. The CuNiAl ternary hydrotalcite was found to be the best catalyst in this work; and the effects of reaction temperature, ratio of substrate:catalyst, H 2O 2 concentration, solvent and pH value of the medium were investigated. The results showed that under optimal reaction conditions, the conversion of phenol can reach up to 62.8%, with catechol and hydroquinone as the main products. The substrate scope was expanded to other phenol-derivatives, such as m-cresol and 3-ethylphenol. A plausible reaction mechanism was proposed based on the control reactions and XPS analysis. The CuNiAl hydrotalcite shows high toxicity (the 48 h LC 50 value of CuNiAl hydrotalcite was 2.12 mg/L) in the acute toxicity tests of Daphnia magna. However, after simple filtration of the solid catalyst, the 48 h LC 50 value of the remaining solution was increased to 83.46 mg/L. In all, the as-synthesized CuNiAl35 hydrotalcite offers a novel biodegradation pathway for in situ treatment of phenol-contaminated water or other phenolic pollutions when applied together with dioxygenases for further degradation of resulting catechols or hydroquinones.

KW - Catechol

KW - Cu-containing hydrotalcites

KW - Daphnia magna

KW - Hydroxylation

KW - Phenol

KW - Toxicity

U2 - 10.1016/j.jece.2021.106390

DO - 10.1016/j.jece.2021.106390

M3 - Journal article

VL - 9

JO - Journal of Environmental Chemical Engineering

JF - Journal of Environmental Chemical Engineering

SN - 2213-3437

IS - 6

M1 - 106390

ER -