Iron-loaded activated carbon cloth as CDI electrode material for selective recovery of phosphate.

Tanzila Sharker, Jayaruwan G Gamaethiralalage, Qiyang Qu, Xinxin Xiao, Jouke E Dykstra, Louis C P M de Smet, Jens Muff

Abstract read

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Article in Environmental science and pollution research international, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

7 authors.

Tanzila Sharker *Department of Chemistry & Bioscience, Aalborg University, Niels Bohrs Vej 8, 6700, Esbjerg, Denmark.

Jayaruwan G Gamaethiralalage *Department of Chemistry & Bioscience, Aalborg University, Niels Bohrs Vej 8, 6700, Esbjerg, Denmark.

Qiyang QuLaboratory of Organic Chemistry, Wageningen University, Stippeneng 4, 6708 WE, Wageningen, The Netherlands.

Xinxin XiaoDepartment Department of Chemistry & Bioscience, Aalborg University, Fredrik Bajers Vej 7H, 9220, Aalborg, Denmark.

Jouke E DykstraDepartment of Environmental Technology, Wageningen University, Bornse Weilanden 9, 6708 WG, Wageningen, The Netherlands.

Louis C P M de SmetLaboratory of Organic Chemistry, Wageningen University, Stippeneng 4, 6708 WE, Wageningen, The Netherlands.

Jens MuffDepartment of Chemistry & Bioscience, Aalborg University, Niels Bohrs Vej 8, 6700, Esbjerg, Denmark. jm@bio.aau.dk.ORCID http://orcid.org/0000-0003-1082-3409

Funding

HORIZON EUROPE European Research Council ERC Consolidator Grant Agreement No. 682444Poul Due Jensens Fond (Grundfos Foundation) Circular lake restoration - rePair project

6 · The paper itself

Abstract

This study investigated the efficacy of oxidised iron-loaded activated carbon cloth (Fe-ACC) for selective recovery of phosphorous. The capacitive deionisation (CDI) technology was employed, for rapid removal of phosphate, with the aim of reducing the reliance on high alkalinity environment for the regeneration of Fe-ACC electrode. Multiple experimental parameters, including applied potential, pH, and co-existing ions, were studied. Additionally, the CDI system was tested on a real water matrix (Lake Ormstrup, Denmark) to elucidate the electrodes' performance on selective recovery of phosphate. About 69 ± 10% of the adsorbed phosphate were released at pH 12 via pure chemical desorption, which was ~ 50% higher than that at pH 9. The CDI system successfully demonstrated the selective removal of phosphate from the lake water. It reduced the concentration of phosphate from 1.69 to 0.49 mg/L with a 71% removal efficiency, while the removal percentages of other anions, namely chloride, sulphate, bromide, nitrite, nitrate, and fluoride, were 10%, 7%, 1%, 1.5%, 4%, and 7%, respectively.

Indexed as

ElectrodesIronPhosphatesAdsorptionCarbonCharcoalDenmarkHydrogen-Ion ConcentrationWater Pollutants, ChemicalWater PurificationCarbonCharcoalIronPhosphatesWater Pollutants, ChemicalActivated carbon clothCapacitive deionisation (CDI)Chemical desorptionIron oxidePhosphate recovery

Identifiers

PMID39503936

DOI10.1007/s11356-024-35444-7

PMCPMC11602819

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.