Effect of pyrolysis temperature on the activated permonosulfate degradation of antibiotics in nitrogen and sulfur-doping biochar: Key role of environmentally persistent free radicals

Zhang, Yanzhuo; Xu, Mengjie; He, Rui; Zhao, Jing; Kang, Wei; Lv, Jinghua

doi:10.1016/j.chemosphere.2022.133737

Cited by 43 publications

(10 citation statements)

References 49 publications

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“…In addition to sludge, bamboo biomass is also a suitable feedstock with the addition of external N dopants. Zhang et al [ 51 ] reported that N content of maso bamboo biochar increased from 0.45% to 5.04% after N-doping. There are also some biomass materials that are not suitable for the preparation of NBCs due to their own characteristics.…”

Section: Preparation and Modification Of Nbcmentioning

confidence: 99%

“…The other is two-step pyrolysis that co-pyrolysis the N-containing precursor and biomass first and then co-pyrolysis with S-containing precursor (e.g., thiophene). The catalytic effect of S-NBC prepared by one-step pyrolysis is not as good as that of NBC [ 51 , 61 ] prepared under the same conditions, while the catalytic effect of S-NBC prepared by two-step pyrolysis (sequential impregnation) method is stronger [ 73 ]. This shows that the properties of S-NBC manufactured by different preparation methods are different.…”

Section: Preparation and Modification Of Nbcmentioning

confidence: 99%

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A Review on N-Doped Biochar for Oxidative Degradation of Organic Contaminants in Wastewater by Persulfate Activation

Gao

Zhu

et al. 2022

IJERPH

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The Persulfate-based advanced oxidation process is the most efficient and commonly used technology to remove organic contaminants in wastewater. Due to the large surface area, unique electronic properties, abundant N functional groups, cost-effectiveness, and environmental friendliness, N-doped biochars (NBCs) are widely used as catalysts for persulfate activation. This review focuses on the NBC for oxidative degradation of organics-contaminated wastewater. Firstly, the preparation and modification methods of NBCs were reviewed. Then the catalytic performance of NBCs and modified NBCs on the oxidation degradation of organic contaminants were discussed with an emphasis on the degradation mechanism. We further summarized the detection technologies of activation mechanisms and the structures of NBCs affecting the PS activation, followed by the specific role of the N configuration of the NBC on its catalytic capacity. Finally, several challenges in the treatment of organics-contaminated wastewater by a persulfate-based advanced oxidation process were put forward and the recommendations for future research were proposed for further understanding of the advanced oxidation process activated by the NBC.

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Section: Preparation and Modification Of Nbcmentioning

confidence: 99%

Section: Preparation and Modification Of Nbcmentioning

confidence: 99%

A Review on N-Doped Biochar for Oxidative Degradation of Organic Contaminants in Wastewater by Persulfate Activation

Gao

Zhu

et al. 2022

IJERPH

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“…Given the reaction kinetics, reaction kinetics, and catalyst concentration, 40%-N/CoFeX could harvest much better catalytic activity compared to that reported in these studies. 10,[55][56][57][58][59][60][61][62][63][64] 3.3. Enhanced degradation of OTC Fig.…”

Section: Effects Of Environmental Conditions On the Degradation Of Otcmentioning

confidence: 99%

Dual metal Co-anchored nanosheets to catalyze advanced oxidation processes for highly efficient oxytetracycline degradation

Yan

Zhang

et al. 2022

Environ. Sci.: Nano

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“…In addition to the N heteroatom, sulfur (S) and boron (B) heteroatoms could also be doped in biochar to improve its catalytic activity. Zhang et al [ 39 ] synthesized N/S-doped moso bamboo biochar. N/S doping increased the concentration of PFRs in biochar, which played the key role in activating PMS.…”

Section: Biochar With Surface Modification For Ps Activation To Degra...mentioning

confidence: 99%

A Mini Review on Persulfate Activation by Sustainable Biochar for the Removal of Antibiotics

Zhou

et al. 2022

Materials

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Antibiotic contamination in water bodies poses ecological risks to aquatic organisms and humans and is a global environmental issue. Persulfate-based advanced oxidation processes (PS-AOPs) are efficient for the removal of antibiotics. Sustainable biochar materials have emerged as potential candidates as persulfates (Peroxymonosulfate (PMS) and Peroxydisulfate (PDS)) activation catalysts to degrade antibiotics. In this review, the feasibility of pristine biochar and modified biochar (non-metal heteroatom-doped biochar and metal-loaded biochar) for the removal of antibiotics in PS-AOPs is evaluated through a critical analysis of recent research. The removal performances of biochar materials, the underlying mechanisms, and active sites involved in the reactions are studied. Lastly, sustainability considerations for future biochar research, including Sustainable Development Goals, technical feasibility, toxicity assessment, economic and life cycle assessment, are discussed to promote the large-scale application of biochar/PS technology. This is in line with the global trends in ensuring sustainable production.

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Effect of pyrolysis temperature on the activated permonosulfate degradation of antibiotics in nitrogen and sulfur-doping biochar: Key role of environmentally persistent free radicals

Cited by 43 publications

References 49 publications

A Review on N-Doped Biochar for Oxidative Degradation of Organic Contaminants in Wastewater by Persulfate Activation

A Review on N-Doped Biochar for Oxidative Degradation of Organic Contaminants in Wastewater by Persulfate Activation

Dual metal Co-anchored nanosheets to catalyze advanced oxidation processes for highly efficient oxytetracycline degradation

A Mini Review on Persulfate Activation by Sustainable Biochar for the Removal of Antibiotics

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