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Antimony mining from PET bottles and e-waste plastic fractions
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| Veröffentlicht in: | Sustainability 11(2019), 15, Artikel-ID 4021, Seite 1-14 |
|---|---|
| Personen und Körperschaften: | , , , , , , , |
| Titel: | Antimony mining from PET bottles and e-waste plastic fractions/ Ayah Alassali, Caterina Picuno, Hanin Samara, Sascha Diedler, Silvia Fiore and Kerstin Kuchta |
| Format: | E-Book-Kapitel |
| Sprache: | Englisch |
| veröffentlicht: |
25 July 2019
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| Gesamtaufnahme: |
: Sustainability, 11(2019), 15, Artikel-ID 4021, Seite 1-14
, volume:11 |
| Schlagwörter: | |
| Quelle: | Verbunddaten SWB Lizenzfreie Online-Ressourcen |
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| 520 | |a In this study antimony concentration was analyzed in 30 plastic items (from polyethylene terephthalate (PET) bottles and e-waste) directly by X-ray fluorescence spectroscopy (XRF) spectroscopy. PET samples were digested in a microwave oven with aqua regia. The plastic components deriving from e-waste followed three parallel routes: 1. microwave digestion using different acids (aqua regia, 18 M H2SO4, 12 M HCl and 6 M HCl); 2. conversion into ash (at 600 °C) and then microwave digestion with aqua regia, and 3. extraction with 12 M HCl at room temperature for different durations (2 h and 24 h). Results showed that antimony extraction yields from PET were between 57% and 92%. Antimony extraction from e-waste plastics was more challenging: aqua regia was inefficient for poly (acrylonitrile butadiene styrene) (ABS) samples (extraction yield was about 20% only), while on a mixture of ABS and polycarbonate (PC), aqua regia, H2SO4 and HCl exhibited equivalent performances (~21%). Ashed samples returned yields ranging from 20% to over 50%. Room temperature extraction on e-waste plastics obtained lower extraction efficiencies, yet longer incubation durations lead to higher yields. In conclusion, the main challenge associated with antimony mining from plastic waste could be its heterogeneous composition; therefore, the development of reference analytical procedures is highly needed. | ||
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| contents | In this study antimony concentration was analyzed in 30 plastic items (from polyethylene terephthalate (PET) bottles and e-waste) directly by X-ray fluorescence spectroscopy (XRF) spectroscopy. PET samples were digested in a microwave oven with aqua regia. The plastic components deriving from e-waste followed three parallel routes: 1. microwave digestion using different acids (aqua regia, 18 M H2SO4, 12 M HCl and 6 M HCl); 2. conversion into ash (at 600 °C) and then microwave digestion with aqua regia, and 3. extraction with 12 M HCl at room temperature for different durations (2 h and 24 h). Results showed that antimony extraction yields from PET were between 57% and 92%. Antimony extraction from e-waste plastics was more challenging: aqua regia was inefficient for poly (acrylonitrile butadiene styrene) (ABS) samples (extraction yield was about 20% only), while on a mixture of ABS and polycarbonate (PC), aqua regia, H2SO4 and HCl exhibited equivalent performances (~21%). Ashed samples returned yields ranging from 20% to over 50%. Room temperature extraction on e-waste plastics obtained lower extraction efficiencies, yet longer incubation durations lead to higher yields. In conclusion, the main challenge associated with antimony mining from plastic waste could be its heterogeneous composition; therefore, the development of reference analytical procedures is highly needed. |
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| spelling | Alassali, Ayah VerfasserIn (DE-588)1192249070 (DE-627)1670582191 aut, Antimony mining from PET bottles and e-waste plastic fractions Ayah Alassali, Caterina Picuno, Hanin Samara, Sascha Diedler, Silvia Fiore and Kerstin Kuchta, 25 July 2019, Diagramme, Text txt rdacontent, Computermedien c rdamedia, Online-Ressource cr rdacarrier, Sonstige Körperschaft: Technische Universität Hamburg, Sonstige Körperschaft: Technische Universität Hamburg, Institut für Umwelttechnik und Energiewirtschaft, In this study antimony concentration was analyzed in 30 plastic items (from polyethylene terephthalate (PET) bottles and e-waste) directly by X-ray fluorescence spectroscopy (XRF) spectroscopy. PET samples were digested in a microwave oven with aqua regia. The plastic components deriving from e-waste followed three parallel routes: 1. microwave digestion using different acids (aqua regia, 18 M H2SO4, 12 M HCl and 6 M HCl); 2. conversion into ash (at 600 °C) and then microwave digestion with aqua regia, and 3. extraction with 12 M HCl at room temperature for different durations (2 h and 24 h). Results showed that antimony extraction yields from PET were between 57% and 92%. Antimony extraction from e-waste plastics was more challenging: aqua regia was inefficient for poly (acrylonitrile butadiene styrene) (ABS) samples (extraction yield was about 20% only), while on a mixture of ABS and polycarbonate (PC), aqua regia, H2SO4 and HCl exhibited equivalent performances (~21%). Ashed samples returned yields ranging from 20% to over 50%. Room temperature extraction on e-waste plastics obtained lower extraction efficiencies, yet longer incubation durations lead to higher yields. In conclusion, the main challenge associated with antimony mining from plastic waste could be its heterogeneous composition; therefore, the development of reference analytical procedures is highly needed., antimony DSpace, e-waste DSpace, extraction DSpace, PET DSpace, plastic DSpace, recovery DSpace, Picuno, Caterina VerfasserIn (DE-588)1192254619 (DE-627)1670584402 aut, Samara, Hanin VerfasserIn aut, Diedler, Sascha VerfasserIn (DE-588)1192254929 (DE-627)1670584569 aut, Fiore, Silvia VerfasserIn aut, Kuchta, Kerstin 1966- VerfasserIn (DE-588)1014529964 (DE-627)666581312 (DE-576)348960549 aut, Technische Universität Hamburg (DE-588)1112763473 (DE-627)866918418 (DE-576)476770564 oth, Technische Universität Hamburg Institut für Umwelttechnik und Energiewirtschaft (DE-588)1127587439 (DE-627)882020722 (DE-576)48527549X oth, Enthalten in Sustainability Basel : MDPI, 2009 11(2019), 15, Artikel-ID 4021, Seite 1-14 Online-Ressource (DE-627)610604120 (DE-600)2518383-7 (DE-576)311829589 2071-1050 nnns, volume:11 year:2019 number:15 elocationid:4021 pages:1-14, http://nbn-resolving.de/urn:nbn:de:gbv:830-882.044861 Resolving-System kostenfrei Volltext, http://hdl.handle.net/11420/3057 Resolving-System kostenfrei Volltext, https://doi.org/10.15480/882.2362 Resolving-System kostenfrei Volltext, https://doi.org/10.3390/su11154021 Verlag Volltext, http://hdl.handle.net/11420/3057 LFER, LFER 2019-09-16T00:00:00Z |
| spellingShingle | Alassali, Ayah, Picuno, Caterina, Samara, Hanin, Diedler, Sascha, Fiore, Silvia, Kuchta, Kerstin, Antimony mining from PET bottles and e-waste plastic fractions, In this study antimony concentration was analyzed in 30 plastic items (from polyethylene terephthalate (PET) bottles and e-waste) directly by X-ray fluorescence spectroscopy (XRF) spectroscopy. PET samples were digested in a microwave oven with aqua regia. The plastic components deriving from e-waste followed three parallel routes: 1. microwave digestion using different acids (aqua regia, 18 M H2SO4, 12 M HCl and 6 M HCl); 2. conversion into ash (at 600 °C) and then microwave digestion with aqua regia, and 3. extraction with 12 M HCl at room temperature for different durations (2 h and 24 h). Results showed that antimony extraction yields from PET were between 57% and 92%. Antimony extraction from e-waste plastics was more challenging: aqua regia was inefficient for poly (acrylonitrile butadiene styrene) (ABS) samples (extraction yield was about 20% only), while on a mixture of ABS and polycarbonate (PC), aqua regia, H2SO4 and HCl exhibited equivalent performances (~21%). Ashed samples returned yields ranging from 20% to over 50%. Room temperature extraction on e-waste plastics obtained lower extraction efficiencies, yet longer incubation durations lead to higher yields. In conclusion, the main challenge associated with antimony mining from plastic waste could be its heterogeneous composition; therefore, the development of reference analytical procedures is highly needed., antimony, e-waste, extraction, PET, plastic, recovery |
| title | Antimony mining from PET bottles and e-waste plastic fractions |
| title_auth | Antimony mining from PET bottles and e-waste plastic fractions |
| title_full | Antimony mining from PET bottles and e-waste plastic fractions Ayah Alassali, Caterina Picuno, Hanin Samara, Sascha Diedler, Silvia Fiore and Kerstin Kuchta |
| title_fullStr | Antimony mining from PET bottles and e-waste plastic fractions Ayah Alassali, Caterina Picuno, Hanin Samara, Sascha Diedler, Silvia Fiore and Kerstin Kuchta |
| title_full_unstemmed | Antimony mining from PET bottles and e-waste plastic fractions Ayah Alassali, Caterina Picuno, Hanin Samara, Sascha Diedler, Silvia Fiore and Kerstin Kuchta |
| title_in_hierarchy | Antimony mining from PET bottles and e-waste plastic fractions / Ayah Alassali, Caterina Picuno, Hanin Samara, Sascha Diedler, Silvia Fiore and Kerstin Kuchta, |
| title_short | Antimony mining from PET bottles and e-waste plastic fractions |
| title_sort | antimony mining from pet bottles and e waste plastic fractions |
| topic | antimony, e-waste, extraction, PET, plastic, recovery |
| topic_facet | antimony, e-waste, extraction, PET, plastic, recovery |
| url | http://nbn-resolving.de/urn:nbn:de:gbv:830-882.044861, http://hdl.handle.net/11420/3057, https://doi.org/10.15480/882.2362, https://doi.org/10.3390/su11154021 |
| urn | urn:nbn:de:gbv:830-882.044861 |