Enhanced nitrobenzene reduction by modified biochar supported sulfidated nano zerovalent iron: Comparison of surface modification methods

Zhang, Dejin; Li, Yang; Sun, Aimin; Tong, Siqi; Su, Guanyong; Jiang, Xinbai; Li, Jiansheng; Han, Weiqing; Sun, Xiuyun; Wang, Lianjun; Shen, Jinyou

doi:10.1016/j.scitotenv.2019.133701

Cited by 60 publications

(16 citation statements)

References 45 publications

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“…HNO3, HCl, H2SO4, H2O2, H3PO4, etc. are commonly used reagent for acid treatment to provide multifunctional biochar [43][44][45]. Oxygen enriched C-S-C moieties are found to be useful for excellent electrochemical performance in carbon-based electrodes, as these moieties decrease the energy gap between valance band and fermi level.…”

Section: Acid Treatmentmentioning

confidence: 99%

Recent Advances in Biochar Modification for Energy Storage in Supercapacitors: A Review

et al. 2021

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Section: Acid Treatmentmentioning

confidence: 99%

Recent Advances in Biochar Modification for Energy Storage in Supercapacitors: A Review

et al. 2021

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“…Alternatively to oxidative degradation processes, reductive processes can also be performed, even if they are less appealing than the others due to their greater complexity. Some authors have described a reductive approach for the removal of nitro alkylated benzene based on the use of Fe(0)-tailored biochars [183,184], but the number of studies is still much lower than those on oxidative-based processes. A different and interesting approach is the hybrid system proposed by Lyu et al [185] based on the use of biochar-supported nanoscale iron sulfide and Corynebacterium variabile HRJ4.…”

Section: Organic Pollutants Removalmentioning

confidence: 99%

A Review of Non-Soil Biochar Applications

et al. 2020

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Biochar is the solid residue that is recovered after the thermal cracking of biomasses in an oxygen-free atmosphere. Biochar has been used for many years as a soil amendment and in general soil applications. Nonetheless, biochar is far more than a mere soil amendment. In this review, we report all the non-soil applications of biochar including environmental remediation, energy storage, composites, and catalyst production. We provide a general overview of the recent uses of biochar in material science, thus presenting this cheap and waste-derived material as a high value-added and carbonaceous source.

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“…Instead, one can take advantage of biochar(s) generated from the pyrolysis of agrowastes and other biomass resources 10,11 . Biochar can be regarded as a promising candidate possessing several attractive features which can further be tuned via acid or base surface chemical treatment 12,13 , loading of alkali metal oxalate loading 14 , amine functionalization using diethanolamine 15 , or silanization 16 . However, arlyation with diazonium salts has much to offer due to the commercial availability of several aromatic amine precursors of diazonium compounds with several functional groups (-COOH, -NH 2 , -SO 3 H, perfluro alkyl chain, N 3 C azide, etc…) to control numerous physico-chemical properties and post reactivity 17 .…”

Section: Introductionmentioning

confidence: 99%

Facile diazonium modification of pomegranate peel biochar: A stupendous derived relationship between thermal and Raman analyses

Khalil

Msaadi

Sassi

et al. 2022

Preprint

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There is an ever growing interest worldwide in the development of biochar from a large variety of agrowastes. This work contributes to the domain by tackling an agrowaste represented in pomegranate peels powder. The latter was activated by acid treatment and then pyrolyzed to generate low cost biochar. To enrich the surface of the resulting biochar, it was arylated with various in-situ generated diazonium salts of 4-aminobenzoic acid (H2N-C6H4-COOH), sulfanilic acid (H2N-C6H4-SO3H) and Azure A dye. The effect of diazonium nature and concentration on the arylation process was monitored essentially using thermal gravimetric analysis (TGA), and Raman spectroscopy. These techniques showed gradual changes in the arylation of biochar at low concentrations of 10-5, 10-4 and 10-3 M of 4-aminobenzoic acid. Interestingly, Azure A diazonium salt induces lower extent of surface modification, likely due to steric hindrance. One key feature of this work is the correlation between D/G Raman peak intensity ratio and the mass loading of the aryl groups. To the very best of our knowledge this is the first report ever on diazonium modification of agrowaste-derived biochar and opens new avenues for such carbon allotrope, i.e. surface arylation and applications.

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Enhanced nitrobenzene reduction by modified biochar supported sulfidated nano zerovalent iron: Comparison of surface modification methods

Cited by 60 publications

References 45 publications

Recent Advances in Biochar Modification for Energy Storage in Supercapacitors: A Review

Recent Advances in Biochar Modification for Energy Storage in Supercapacitors: A Review

A Review of Non-Soil Biochar Applications

Facile diazonium modification of pomegranate peel biochar: A stupendous derived relationship between thermal and Raman analyses

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