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One-step green preparation of magnetic seaweed biochar/sulfidated Fe composite with strengthen adsorptive removal of tetrabromobisphenol A through in situ reduction.

08:00 EDT 10th March 2020 | BioPortfolio

Summary of "One-step green preparation of magnetic seaweed biochar/sulfidated Fe composite with strengthen adsorptive removal of tetrabromobisphenol A through in situ reduction."

Rare information is available on the facile preparation of biochar/sulfidated Fe composite. A facile one-step green method was established for the synthesis of magnetic seaweed (Ulva prolifera) biochar/sulfidated Fe composite (S-Fe/BC) to use excessive seaweed biomass. Removal efficiency of tetrabromobisphenol A (TBBPA) reached up to 88% in iron-sulfur treatment. Two major products were identified as bisphenol A and monobromobisphenol A, confirming the in-situ reductive debromination of TBBPA. Batch experiments showed that the removal of TBBPA was facilitated with S/Fe molar ratio of 0.2 and acidic conditions (pH = 3-7). The S-Fe/BC composite had good stability and reusability based on the cycle experiments. The removal process of TBBPA by S-Fe/BC composite might include chemical adsorption by S-Fe/BC composite, reduction debromination by S-Fe and enhanced electron transfer. The environmentally-friendly S-Fe/BC composite synthesized by one-step facile procedure showed novel potential applications in terms of pollution control of halogenated xenobiotic compounds such as TBBPA.

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This article was published in the following journal.

Name: Bioresource technology
ISSN: 1873-2976
Pages: 123170

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