ArticleExtremophiles : life under extreme conditions2022
Isotherm and kinetics modeling of biosorption and bioreduction of the Cr(VI) by Brachybacterium paraconglomeratum ER41.
Article in Extremophiles : life under extreme conditions, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Nutrient-Driven Modulation of Microbial, Plant, and Rhizosphere Processes for Heavy Metal Remediation.Plants (Basel, Switzerland) · 2026Review
- Assessment into the cadmium and lead ion biosorption capabilities from halophilic bacteria from genus Brachybacterium.Biometals : an international journal on the role of metal ions in biology, biochemistry, and medicine · 2026Article
- Exploring the potential of indigenous coal mine isolates Pseudomonas aeruginosa (PM55) and Enterobacter cloacae (PM56) for Cr(VI) bioremediation and plant growth promotion.Biodegradation · 2026Article
- Synthesis and Characterization of Hybrid Bio-Adsorbents for the Biosorption of Chromium Ions from Aqueous Solutions.Polymers · 2025Article
- Efficient removal of Cr(VI) ions by Staphylococcus aureus CC1956: biosorption isotherm and kinetic modeling.Biometals : an international journal on the role of metal ions in biology, biochemistry, and medicine · 2025Article
- Bioremediation of hexavalent chromium Cr (VI) in fluoride contaminated environment by novel bacteria Bacillus albus SSAU-9.Biodegradation · 2025Article
- Bioremediation of Cr(VI) using novel thermophilic bacteria Brevibacillus borstelensis SSAU-3 T: optimization, mechanism and phytotoxicity study.Biodegradation · 2025Article
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4 authors.
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Abstract
Chromium is one of the most widely used metals in industry. Hexavalent form [Cr(VI)], which is found in industrial discharges, is very toxic and very soluble in water. From soil taken from an abandoned lead and iron mine, a bacterial strain capable of reducing Cr(VI) was isolated and identified as Brachybacterium paraconglomeratum ER41. Objective of this work was to evaluate the power of this bacterium to reduce Cr(VI). Results obtained showed that this bacterium is capable of eliminating 100 mg/L of Cr(VI) after 48 h (pH 8 and temperature 30 °C). For modeling biosorption kinetics, pseudo-first-order and intraparticle diffusion models gave a better fit. Furthermore, the adsorption mechanism conformed well to Langmuir's isothermal model indicating monolayer type sorption. Biomass analysis of this bacterium before and after contact with chromium by scanning electron microscopy-energy-dispersive X-ray and by Fourier transform infrared spectroscopy showed that the surface ligands of bacterial wall are probably responsible for biosorption and bioreduction process. These results suggest a potential application of B. paraconglomeratum ER41 in bioremediation of polluted discharges.
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