ArticleNanomaterials (Basel, Switzerland)2022
Facile Synthesis of Magnetic Biochar Derived from Burley Tobacco Stems towards Enhanced Cr(VI) Removal: Performance and Mechanism.
Article in Nanomaterials (Basel, Switzerland), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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10 citing papers in PubMed, 42 citations in OpenAlex.
- Modeling the Removal of Hexavalent Chromium from Aqueous Solution Using a Pyridinium-Based Poly(ionic liquid).ACS omega · 2026Article
- Magnetic Nanostructures for the Removal of Emerging Organic and Inorganic Pollutants: An Overview of Applications in Contaminated Water.Materials (Basel, Switzerland) · 2026Review
- ZIF-67 functionalized magnetic multi-walled carbon nanotubes for magnetic solid-phase extraction of benzodiazepines in water samples.Mikrochimica acta · 2026Article
- Nanoscale Materials for Water Purification and Catalysis.Nanomaterials (Basel, Switzerland) · 2025Article
- Extraction of tobacco extract from discarded tobacco leaves for cigarette yarns dyeing and neophytadiene separation.Frontiers in chemistry · 2025Article
- Silicone-modified black peanut shell (BPS) biochar adsorbents: Preparation and their adsorptions for copper(II) from water.Heliyon · 2024Article
- Heavy metal pollution in the aquatic environment: efficient and low-cost removal approaches to eliminate their toxicity: a review.RSC advances · 2023Review
- Structural Properties of Graphene Oxide Prepared from Graphite by Three Different Methods and the Effect on Removal of Cr(VI) from Aqueous Solution.Nanomaterials (Basel, Switzerland) · 2023Article
- Nanoporous Carbon from Oil Palm Leaves via Hydrothermal Carbonization-Combined KOH Activation for Paraquat Removal.Molecules (Basel, Switzerland) · 2022Article
- Marine Biomass-Supported Nano Zero-Valent Iron for Cr(VI) Removal: A Response Surface Methodology Study.Nanomaterials (Basel, Switzerland) · 2022Article
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Authors and funding
8 authors at 5 institutions in 2 countries.
Funding
Abstract
In this study, ferric-loaded magnetic burley tobacco stem biochar (MBTS) was synthesized via pyrolysis to improve the removal of Cr(VI). The results showed that MBTS had an adsorption capacity of 54.92 mg Cr(VI)/g, which was about 14 times higher than raw burley tobacco stem biochar (i.e., 3.84 mg/g). According to the findings obtained, a three-step mechanism of Cr(VI) removal by MBTS was further put forward, i.e., (1) Cr(VI) exchanged with hydroxyl groups on MBTS, (2) the reduction in Cr(VI) to Cr(III) mediated by oxygen-containing groups, and (3) the chelation of produced Cr(III) with the amino groups on MBTS. FTIR spectra further revealed that C-N, C-H, and C=C groups played an important role in Cr(VI) removal. Furthermore, the adsorption equilibrium and kinetics of Cr(VI) on MBTS could better be described by the Langmuir equation and pseudo-second-order rate equation. This study clearly demonstrated that ferric-loaded biochar derived from burley tobacco stems could serve as a cost-effective magnetic adsorbent for the high-efficiency removal of soluble Cr(VI) from wastewater. Tobacco stem-adsorbed Cr(VI) realized a green path for treating waste by waste.
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