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Solvometallurgical recovery of antimony from waste polyvinyl chloride plastic and co-extraction of organic additives.
RSC Adv
January 2025
Waste Recycling Technologies, Materials & Chemistry Unit, Flemish Institute for Technological Research, VITO N.V. Boeretang 200 B-2400 Mol Belgium
Antimony is a critical raw material in Europe wherein for 43% of its market share it is applied in the form of antimony trioxide as a fire retardant in plastics. Currently, antimony recycling from waste plastics does not take place and has been scarcely studied. In this work, a process was developed to extract antimony from a soft PVC material and recover it as SbClO.
View Article and Find Full Text PDFMultinuclear Antimony-Bismuth-Lanthanide Cluster-Connected Polyoxometalate for the Detection of 5-Hydroxyindoleacetic Acid via Luminescence.
Inorg Chem
December 2024
Henan Key Laboratory of Polyoxometalate Chemistry, College of Chemistry and Molecular Sciences, Henan University, Kaifeng, Henan 475004, China.
The judicious selection and combination of multicomponents provide great potential for the further exploration of new polyoxometalate (POM) materials. Here, a delicate control on tungstate, Sb and Bi sources, Eu ions, and organic molecules led to the discovery of a novel multimetal cluster-embedded POM [HN(CH)]NaH{[Eu(HO)SbBiWO](SbWO)(SbWO)}·78HO (). The polyoxoanion of was constructed from four in situ-formed [SbWO] and [SbWO] building blocks connected by two hexa-metallic [Eu(HO)SbBiWO] clusters, to be a rare member of Sb- and Bi-coexisting POM.
View Article and Find Full Text PDFPhotoluminescent chain-of-dimer anion in a novel hybrid halometallate (CHN){SbBr}: atypical behavior in one-dimensional anionic systems.
Dalton Trans
December 2024
Department of Chemistry, Lomonosov Moscow State University, 119991 Moscow, Russia.
In pursuit of identifying less toxic hybrid compounds suitable for optoelectronic applications, we synthesized a novel homopiperazinium bromoantimonate(III), (CHN){SbBr}. It readily crystallized from an aqueous hydrobromic acid solution and was found to be stable both in air and upon heating up to 175 °C. The crystal structure of the new bromoantimonate(III) consisted of {SbBr} zigzag chains, which were composed of strongly trigonally distorted SbBr octahedral anions and CHN dications.
View Article and Find Full Text PDFEvaluating the influence of alternating flooding and drainage on antimony speciation and translocation in a soil-rice system.
Sci Total Environ
December 2024
National-Regional Joint Engineering Research Center for Soil Pollution Control and Remediation in South China, Guangdong Key Laboratory of Integrated Agro-environmental Pollution Control and Management, Institute of Eco-environmental and Soil Sciences, Guangdong Academy of Sciences, Guangzhou 510650, China.
The quantitative evaluation of antimony (Sb) accumulation in rice has garnered significant attention due to the potential risks to human health. A pot experiment was conducted to investigate the essential nodes of Sb transfer in soil-rice system. Seven step extract results showed that during the flooding period, organic matter releasing was the primary factor contributing 14.
View Article and Find Full Text PDFRelease and quantification of organic and inorganic contaminants from geotextile materials in dynamic surface leaching test.
J Hazard Mater
October 2024
Federal Institute of Hydrology, Am Mainzer Tor 1, 56068 Koblenz, Germany. Electronic address:
Geotextiles are frequently used in waterway construction, for instance as filtration or separation layers of river banks and canals. A variety of additives are added to improve their lifespan during application and avivage agents are applied to optimize the manufacturing process. Two nonwoven needle-punched geotextiles were leached with deionized water, groundwater and river water via the dynamic surface leaching test.
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