Mercury speciation in fluorescent lamps by thermal release analysis
In this work, mercury speciation in phosphorus powder matrices and soda lime glass waste from new and spent fluorescent lamp wastes has been studied by thermo-desorption/atomic absorption spectrometry (TDAAS), X-ray diffraction (XRD), cold vapor-atomic absorption (CV-AAS) and atomic emission spectro...
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| Veröffentlicht in: | Waste management (Elmsford) 2003-01, Vol.23 (10), p.879-886 |
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| creator | Raposo, Cláudio Windmöller, Cláudia Carvalhinho Durão Júnior, Walter Alves |
| description | In this work, mercury speciation in phosphorus powder matrices and soda lime glass waste from new and spent fluorescent lamp wastes has been studied by thermo-desorption/atomic absorption spectrometry (TDAAS), X-ray diffraction (XRD), cold vapor-atomic absorption (CV-AAS) and atomic emission spectrometry/inductively coupled plasma (ICP/AES). TDAAS results show the presence of oxidized forms of mercury, i.e., Hg
1+ and Hg
2+, especially in wastes with high mercury concentration. Such forms are mobile, and therefore represent a potential hazard waste material. Glass TD profiles of spent fluorescent lamps suggested the presence of mercury strongly linked to the matrix, which desorbs only at high temperatures. |
| doi_str_mv | 10.1016/S0956-053X(03)00089-8 |
| format | Article |
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| ispartof | Waste management (Elmsford), 2003-01, Vol.23 (10), p.879-886 |
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| language | eng |
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| source | MEDLINE; Elsevier ScienceDirect Journals |
| subjects | ABSORPTION ABSORPTION SPECTROSCOPY Applied sciences AUGER ELECTRON SPECTROSCOPY DESORPTION EMISSION SPECTROSCOPY Exact sciences and technology FLUORESCENT LAMPS GLASS Hazardous Waste INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY Lighting - instrumentation Materials Testing MERCURY Mercury - analysis Mercury - chemistry MERCURY IONS Other wastes and particular components of wastes PHOSPHORUS Pollution Refuse Disposal Spectrophotometry, Atomic Temperature WASTES X-RAY DIFFRACTION |
| title | Mercury speciation in fluorescent lamps by thermal release analysis |
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