The DOI matches its Crossref record; 39 of the 40 references it cites were found in a registry or an index.
Characteristics of nitrogen and phosphorus adsorption by Mg-loaded biochar from different feedstocks
Abstract
Herein, biochars from 6 different feedstocks (taro straw, corn straw, cassava straw, Chinese fir straw, banana straw, and Camellia oleifera shell) were produced using magnesium chloride (MgCl 2) as a modifier due to their sorption behavior toward NH 4+-N and phosphorus in an aqueous solution. The biochar characteristics were evaluated, including pH, pH PZC, biochar magnesium content, and total pore volume (PV tot). The experimental results in terms of the kinetics and equilibrium isotherms showed that the cassava straw and banana straw biochars exhibited the theoretical maximum saturated adsorption capacities of 24.04 mg·g-1 (NH 4+-N) and 31.15 mg·g-1 (TP), respectively. Biochar produced from these feedstocks had higher magnesium contents and greater total pore volumes, reflecting the significant contributions from magnesium and steric effects. FTIR, XRD, and SEM/EDS analyses demonstrated that NH 4+-N and TP sorption mechanisms predominantly involved surface electrostatic attraction, Mg 2+ precipitates and complexation with surface hydroxyl functional groups.
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“The charge performance of biochar can be changed by loading metal ions (such as Mg 2+ , Ca 2+ , and Fe 3+ ), thus improving the P adsorption capacity of biochar [27-29].”
From Efficient Phosphate Removal from Wastewater by Ca-Laden Biochar Composites Prepared from Eggshell and Peanut Shells: A Comparison of Methods (2023) · cites this paper as [27]
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Synthesis and characterization of an iron-impregnated biochar for aqueous arsenic removal
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Surface characteristics of crop-residue-derived black carbon and lead(II) adsorption
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Phosphorus adsorption by functionalized biochar: a review
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Metadata
- Authors
- Jiang, Y.-H., Li, A.-Y., Deng, H., Ye, C.-H., Wu, Y.-Q., Linmu, Y.-D., & Hang, H.-L.
- Affiliations
- Guangxi Normal University (CN)
- Corresponding author
- Deng, Hua
- ORCID
- Deng, Hua
- Venue
- Bioresource Technology
- Publisher
- Elsevier BV
- Published
- 2019-03
- Volume
- 276
- Pages
- 183-189
- ISSN
- 0960-8524 (ISSN-L)
- OpenAlex
- W2905863373
- Cited by
- 282
- References
- 40
- Citations by year
- 2026: 26 · 2025: 43 · 2024: 42 · 2023: 49 · 2022: 40 · 2021: 37 · 2020: 35 · 2019: 10
- FWCI
- 8.98
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Bioresource Technology (publishedVersion)
- PubMed (publishedVersion)
- Funders
- National Natural Science Foundation of China (51778180)
- University Key Laboratory of Karst Ecology and Environmental Change of Guangxi Province (YRHJ15Z009)
- Guangxi University Graduate Student Research and Innovation Program (XYCSZ2018067)
- Topics
- Physical Sciences › Environmental Science › Water Science and Technology › Adsorption and biosorption for pollutant removal
- Physical Sciences › Environmental Science › Waste Management and Disposal › Phosphorus and nutrient management
- Physical Sciences › Environmental Science › Pollution › Wastewater Treatment and Nitrogen Removal
- Keywords
- biochar, nitrogen adsorption, phosphorus adsorption, ammonium sorption, Camellia oleifera shell, surface charge, steric effects, adsorption kinetics, adsorption isotherms, hydroxyl groups
- MeSH terms
- Adsorption, Charcoal, Magnesium, Nitrogen, Phosphorus
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