ArticleEnvironmental science and pollution research international2019
Highly efficient removal of Cr(VI) and Cu(II) by biochar derived from Artemisia argyi stem.
Article in Environmental science and pollution research international, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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11 citing papers in PubMed, 84 citations in OpenAlex.
- Study on improvement of copper sulfide acid soil properties and mechanism of metal ion fixation based on Fe-biochar composite.Scientific reports · 2024Article
- Enhanced treatment of landfill leachate by biochar-based aerobic denitrifying bacteria functional microbial materials: Preparation and performance.Frontiers in microbiology · 2023Article
- Adsorption of Hexavalent Chromium Using Activated Carbon Produced fromMolecules (Basel, Switzerland) · 2022Article
- Removal of Cr(VI) by biochar derived via co-pyrolysis of oily sludge and corn stalks.Scientific reports · 2022Article
- Exploring the potential effect of Achnatherum splendens L.-derived biochar treated with phosphoric acid on bioavailability of cadmium and wheat growth in contaminated soil.Environmental science and pollution research international · 2022Article
- Mycoremediation of heavy metals: processes, mechanisms, and affecting factors.Environmental science and pollution research international · 2021Review
- Preparation of biochar by mango peel and its adsorption characteristics of Cd(ii) in solution.RSC advances · 2020Article
- A novel hydrogel for highly efficient adsorption of Cu(II): synthesis, characterization, and mechanisms.Environmental science and pollution research international · 2020Article
- Structural analysis and heavy metal adsorption of N-doped biochar from hydrothermal carbonization of Camellia sinensis waste.Environmental science and pollution research international · 2020Article
- Polyethyleneimine-modified biochar for enhanced phosphate adsorption.Environmental science and pollution research international · 2020Article
- High adsorptive potential of calcined magnetic biochar derived from banana peels for CuEnvironmental science and pollution research international · 2019Article
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8 authors at 2 institutions in 2 countries.
Funding
Abstract
In this work, a novel biochar was prepared from the Artemisia argyi stem at 300 °C (AS300), 450 °C (AS450), and 600 °C (AS600). The structural properties of these biochars were characterized with various tools. The sorption kinetic processes of Cr(VI) and Cu(II) onto these biochars were better described by the pseudo-second order. The sorption isotherm processes of Cr(VI) onto these biochars were better described by the Freundlich model while the adsorption processes of Cu(II) were consistent with the Langmuir model. Batch sorption experiments showed that AS600 had the maximum adsorption capacity to Cr(VI) and Cu(II) with 161.92 and 155.96 mg/g, respectively. AS600 was selected for the follow-up batch and dynamic adsorption experiments. Results showed that AS600 had larger adsorption capacity for Cr(VI) at lower pH while the larger adsorption capacity for Cu(II) was found at higher pH. The effect of ionic strength on the adsorption of Cu(II) by AS600 was greater than that on the adsorption of Cr(VI). Dynamic adsorption experiments showed that Cu(II) had a higher affinity for the adsorption sites on the AS600 compared with Cr(VI). The adsorption mechanisms mainly involved electrostatic attraction, ion exchange, pore filling, and chemical bonding effect. Graphical abstract.
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