Adsorptive Recovery of Palladium(II) and Platinum(IV) on the Chemically Modified-Microalgal Residue
Abstract
A biomass waste of microalgae was chemically modified by immobilizing the functional group of polyethyleneimine to prepare a new type of adsorbent. The adsorption test revealed that this adsorbent exhibited remarkably high selectivity for Pd(II) and Pt(IV) over base metal ions in HCl solution. From the adsorption isotherm, its maximum adsorption capacity for Pd(II) and Pt(IV) was evaluated as 2.0 and 0.8 mmol/g, respectively. This adsorbent also exhibited high affinity and selectivity for Pd(II) and Pt(IV) even in the presence of high concentrations of base metals in actual leach liquor.
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Chemically modified microalgal waste can selectively biosorb palladium (Pd II) and platinum (Pt IV).
“Chemically modified microalgal waste can selectively biosorb palladium (Pd II) and platinum (Pt IV) [129].”
From A Holistic Approach to Circular Bioeconomy Through the Sustainable Utilization of Microalgal Biomass for Biofuel and Other Value-Added Products (2024) · cites this paper as [129]
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Ezhumalai, G., Arun, M., Manavalan, A., Rajkumar, R., & Heese, K. (2024) · Microbial Ecology · doi:10.1007/s00248-024-02376-1 · Cited by 99 · see citing works
- Authors
- Khunathai, K., Inoue, K., Ohto, K., Kawakita, H., Kurata, M., Atsumi, K., Fukuda, H., & Alam, S.
- Affiliations
- Saga University (JP)
- Denso (Japan) (JP)
- Memorial University of Newfoundland (CA)
- Corresponding author
- Khunathai, Kanjana
- Venue
- Solvent Extraction and Ion Exchange
- Publisher
- Informa UK Limited
- Published
- 2013-05
- Volume
- 31
- Issue
- 3
- Pages
- 320-334
- ISSN
- 0736-6299 (ISSN-L)
- 1532-2262
- OpenAlex
- W2011159499
- Cited by
- 26
- References
- 20
- Citations by year
- 2026: 2 · 2025: 2 · 2024: 2 · 2022: 2 · 2021: 1 · 2020: 1 · 2019: 4 · 2018: 2 · 2017: 3 · 2016: 4 · 2015: 1 · 2014: 2
- FWCI
- 3.10
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Solvent Extraction and Ion Exchange (publishedVersion)
- Topics
- Physical Sciences › Engineering › Mechanical Engineering › Extraction and Separation Processes
- Physical Sciences › Environmental Science › Water Science and Technology › Adsorption and biosorption for pollutant removal
- Physical Sciences › Chemistry › Inorganic Chemistry › Radioactive element chemistry and processing
- Keywords
- palladium recovery, platinum recovery, polyethyleneimine, chemically modified biomass, adsorbents, selective adsorption, adsorption isotherms, leach liquor, precious metal separation
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