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sector:ippu:metal_production:aluminum_production:start [2021/04/12 14:53] – NOx implemented reichel | sector:ippu:metal_production:aluminum_production:start [2021/05/11 10:40] – [Table] 1 correction of trend for PAH reichel | ||
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Secondary aluminium is produced in several different furnace types. According to different scrap qualities, the emissions are varying. | Secondary aluminium is produced in several different furnace types. According to different scrap qualities, the emissions are varying. | ||
- | The use of hexachloroethane for degassing purposes in refining operations of secondary aluminium production has been prohibited by law in Germany since 2002 resulting in an omission of the source for HCB. But for the period 1990-2001 no data on national emissions of HCB in secondary aluminium industries is available. | + | The use of hexachloroethane for degassing purposes in refining operations of secondary aluminium production has been prohibited by law in Germany since 2002 resulting in an omission of the source for HCB. But for the period 1990-2001 no data on national emissions of HCB in secondary aluminium industries is available. |
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The average anode consumption is 430 kg of petrol coke per tonne of aluminium. | The average anode consumption is 430 kg of petrol coke per tonne of aluminium. | ||
- | The following | + | The following |
- | __Table 1: Emission factors | + | __Table 1: Emission factors |
- | ^ pollutant | + | ^ pollutant |
- | | PAH | anode production | 300 | mg/t | constant | + | | PAH |
- | |||||| | + | |
+ | __Table 2: Emission factors applied for primary aluminium production__ | ||
+ | |||
+ | ^ pollutant | ||
| CO | primary aluminium | 180 | kg/t | constant | | | CO | primary aluminium | 180 | kg/t | constant | | ||
| SO< | | SO< | ||
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| PM< | | PM< | ||
| Cd | primary aluminium | 0.15 | g/t | constant | | | Cd | primary aluminium | 0.15 | g/t | constant | | ||
- | | Ni | primary aluminium | 0.162 | g/t || | + | | Ni | primary aluminium | 0.162 | g/t | falling |
| Zn | primary aluminium | 10 | g/t | constant | | | Zn | primary aluminium | 10 | g/t | constant | | ||
| NOx | primary aluminium | 1 | kg/t | constant | | | NOx | primary aluminium | 1 | kg/t | constant | | ||
- | |||||| | ||
- | | TSP | resmelted aluminium | 0.055 | kg/t | constant | | ||
- | | PM< | ||
- | | PM< | ||
- | | Cd | resmelted aluminium | 7 | mg/t | constant | | ||
- | | Cu | resmelted aluminium | 8.411 | mg/t | | | ||
- | | Hg | resmelted aluminium | 1.7 | mg/t | constant | | ||
- | | Pb | resmelted aluminium | 4.452 | mg/t | | ||
- | | Zn | resmelted aluminium | 4 | g/t | constant | | ||
- | | HCB (years 1990-2001)| resmelted aluminium | 5 | g/t | constant | | ||
- | === Uncertainties === | + | Nitrogen oxides essentially arise from the nitrogen content of the fuels in combustion processes and at temperatures above 1,000 ° C also from air nitrogen. Another source of NO< |
+ | |||
+ | __Table 3: Emission factors applied for secondary aluminium production__ | ||
+ | |||
+ | ^ pollutant | ||
+ | | TSP | resmelted aluminium | ||
+ | | PM< | ||
+ | | PM< | ||
+ | | Cd | resmelted aluminium | ||
+ | | Cu | resmelted aluminium | ||
+ | | Hg | resmelted aluminium | ||
+ | | Pb | resmelted aluminium | ||
+ | | Zn | resmelted aluminium | ||
+ | | HCB (years 1990-2001) | ||
===== Recalculations ===== | ===== Recalculations ===== | ||
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===== Planned improvements ===== | ===== Planned improvements ===== | ||
- | Nitrogen oxides essentially arise from the nitrogen content of the fuels in combustion processes and at temperatures above 1,000 ° C also from air nitrogen. Another source of NO< | + | No improvements |
- | + | ||
- | Therefore, all NO< | + | |
===== Bibliography ===== | ===== Bibliography ===== | ||
** Lit. 1:** German association for non-ferrous metals (WirtschaftsVereinigung Metalle): Annual statistical report: https:// | ** Lit. 1:** German association for non-ferrous metals (WirtschaftsVereinigung Metalle): Annual statistical report: https:// | ||
- | ** Lit. 2:** \\ | + | ** Lit. 2:** EMEP/EEA, 2019: EMEP/EEA air pollutant emission inventory guidebook 2019, Copenhagen, 2019. https:// |
** Lit. 3:** Ökopol, IER, IZT, IfG: Bereitstellung einer qualitätsgesicherten Datengrundlage für die Emissionsberichterstattung zur Umsetzung von internationalen Luftreinhalte- und Klimaschutzvereinbarungen für ausgewählte Industriebranchen Teilvorhaben 2: NE-Metallindustrie, | ** Lit. 3:** Ökopol, IER, IZT, IfG: Bereitstellung einer qualitätsgesicherten Datengrundlage für die Emissionsberichterstattung zur Umsetzung von internationalen Luftreinhalte- und Klimaschutzvereinbarungen für ausgewählte Industriebranchen Teilvorhaben 2: NE-Metallindustrie, | ||
- | ** Lit. 4:** | ||