ArticleScientific reports2019
Adsorption of indium by waste biomass of brown alga Ascophyllum nodosum.
Article in Scientific reports, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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6 citing papers in PubMed, 27 citations in OpenAlex.
- Preparation of mesoporous chitosan iron supported nano-catalyst for the catalyzed oxidation of primary amine to imine.RSC advances · 2023Article
- Adsorption Capacity of Silica SBA-15 and Titanosilicate ETS-10 toward Indium Ions.Materials (Basel, Switzerland) · 2023Article
- Computational and Experimental Investigation of the Selective Adsorption of Indium/Iron Ions by the Epigallocatechin Gallate Monomer.Materials (Basel, Switzerland) · 2022Article
- Adsorption kinetics and isotherms of binary metal ion aqueous solution using untreated venus shell.Heliyon · 2022Article
- A perspective on developing solid-phase extraction technologies for industrial-scale critical materials recovery.Green chemistry : an international journal and green chemistry resource : GC · 2022Review
- Saved by seaweeds: phyconomic contributions in times of crises.Journal of applied phycology · 2021Article
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8 authors at 2 institutions in 2 countries.
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Abstract
The biosorption capacities of dried meal and a waste product from the processing for biostimulant extract of Ascophyllum nodosum were evaluated as candidates for low-cost, effective biomaterials for the recovery of indium(III). The use of indium has significantly grown in the last decade, because of its utilization in hi-tech. Two formats were evaluated as biosorbents: waste-biomass, a residue derived from the alkaline extraction of a commercial, biostimulant product, and natural-biomass which was harvested, dried and milled as a commercial, "kelp meal" product. Two systems have been evaluated: ideal system with indium only, and double metal-system with indium and iron, where two different levels of iron were investigated. For both systems, the indium biosorption by the brown algal biomass was found to be pH-dependent, with an optimum at pH3. In the ideal system, indium adsorption was higher (maximum adsorptions of 48 mg/g for the processed, waste biomass and 63 mg/g for the natural biomass), than in the double metal-system where the maximum adsorption was with iron at 0.07 g/L. Good values of indium adsorption were demonstrated in both the ideal and double systems: there was competition between the iron and indium ions for the binding sites available in the A. nodosum-derived materials. Data suggested that the processed, waste biomass of the algae, could be a good biosorbent for its indium absorption properties. This had the double advantages of both recovery of indium (high economic importance), and also definition of a virtuous circular economic innovative strategy, whereby a waste becomes a valuable resource.
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