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sector:ippu:chemical_industry:titanium_dioxide_production:start [2022/02/08 16:20] – [Table] zheng | sector:ippu:chemical_industry:titanium_dioxide_production:start [2023/03/14 12:26] – [Method] kotzulla | ||
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===== Short description ===== | ===== Short description ===== | ||
- | ^ Category Code ^ Method | + | ^ Category Code ^ Method |
- | | 2.B.6 | T3 ||||| C | + | | 2.B.6 | T3 |
- | ^ | + | ^ |
- | | 2.B.6 | + | | Key Category: |
{{page> | {{page> | ||
- | In //NFR 2.B.6//, SO₂,CO,NOx and TSP emissions from the production of titanium dioxide are reported. | + | In //NFR 2.B.6//, SO₂,CO,NOₓ and TSP emissions from the production of titanium dioxide are reported. |
===== Method ===== | ===== Method ===== | ||
+ | |||
===Activity Data=== | ===Activity Data=== | ||
- | For the **production of titanium dioxide**, the producers report the sum of all SO₂-emissions. | + | |
- | As these emissions are confidential, they are included | + | There are two kinds of processes called chloride process and sulfate process for the production of titanium dioxide. The total production amount is attained from the German Federal Statistical Office[(ProStat> |
+ | |||
+ | For the calculation of individual production of each process, the fraction of chloride process is determined based on the estimated total production capacity | ||
===Emission Factors=== | ===Emission Factors=== | ||
- | Due to confidentiality concerns, this data is not made public. | ||
- | ===== Recalculations ===== | ||
+ | Emission factors for titanium dioxide production are the Tier 2 emission factors from EMEP Guidebook: NO< | ||
+ | |||
+ | The applied Tier 2 emission factors are listed in Table 1 [(European Environment Agency: EMEP/EEA air pollutant emission inventory guidebook 2019, Part B: sectoral guidance chapters, 2.B Chemical industry (Oct 2019): pp.25-26, table 3.19 and table 3.20)]. | ||
+ | |||
+ | __Table 1: Tier 2 emission factors for titanium dioxide production, in [kg/t]__ | ||
+ | ^ Pollutant | ||
+ | | CO | Chloride | ||
+ | | NO< | ||
+ | | TSP | Chloride | ||
+ | | NO< | ||
+ | | TSP | Sulfate | ||
+ | |||
+ | ===Emissions=== | ||
+ | |||
+ | The association of the titanium producers reports the sum of SO< | ||
+ | |||
+ | Except for SO< | ||
+ | |||
+ | As the emission factors are constant over the time, the emission trend is influenced only by the development of the production. | ||
+ | |||
+ | |||
+ | ===== Recalculations ===== | ||
For SO₂ emissions from the production of **titanium dioxide** and **sulphuric acid**, estimates reported for the //second to last year// of the time series are routinely actualised by the producers. Furthermore, | For SO₂ emissions from the production of **titanium dioxide** and **sulphuric acid**, estimates reported for the //second to last year// of the time series are routinely actualised by the producers. Furthermore, | ||
- | Because of technical problems with the data transfer, there is a small recalculation for titanium dioxide production for 2015 and 2016. | + | Otherweise no recalculations have been carried out compared to last year's submission. |
<WRAP center round info 60%> | <WRAP center round info 60%> | ||
- | For pollutant-specific information on recalculated emission estimates for Base Year and 2018, please see the pollutant specific recalculation tables following [[general: | + | For **pollutant-specific information on recalculated emission estimates for Base Year and 2019**, please see the pollutant specific recalculation tables following [[general: |
</ | </ | ||
===== Planned improvements ===== | ===== Planned improvements ===== | ||
- | In the NEC Review Germany was requested to calculate emissions | + | For 1990 and 1991 for reasons |
- | + | ||
- | For the Key Category Analyses | + |