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sector:ippu:chemical_industry:soda_ash_production:start [2021/04/14 12:31] – [Methodology] kludt | sector:ippu:chemical_industry:soda_ash_production:start [2021/12/15 20:00] (current) – external edit 127.0.0.1 | ||
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^ Category Code ^ Method | ^ Category Code ^ Method | ||
| 2.B.7 | T1 ||||| NS ||||| C ||||| | | 2.B.7 | T1 ||||| NS ||||| C ||||| | ||
- | ^ Key Category | + | ^ Key Category |
| 2.B.7 | | 2.B.7 | ||
+ | <hidden onHidden=" | ||
+ | **T** = key source by Trend | ||
+ | **L** = key source by Level | ||
+ | ^ Methods | ||
+ | ^ D | Default | ||
+ | ^ RA | Reference Approach | ||
+ | ^ T1 | Tier 1 / Simple Methodology * | | ||
+ | ^ T2 | Tier 2* | | ||
+ | ^ T3 | Tier 3 / Detailed Methodology * | | ||
+ | ^ C | CORINAIR | ||
+ | ^ CS | Country Specific | ||
+ | ^ M | Model | | ||
+ | | * as described in the EMEP/ | ||
+ | |||
+ | ^ AD - Data Source for Activity Data ^^ | ||
+ | ^ NS | National Statistics | ||
+ | ^ RS | Regional Statistics | ||
+ | ^ IS | International Statistics | ||
+ | ^ PS | Plant Specific data | | ||
+ | ^ AS | Associations, | ||
+ | ^ Q | specific questionnaires, | ||
+ | |||
+ | ^ EF - Emission Factors | ||
+ | ^ D | Default (EMEP Guidebook) | ||
+ | ^ C | Confidential | ||
+ | ^ CS | Country Specific | ||
+ | ^ PS | Plant Specific data | | ||
+ | </ | ||
\\ | \\ | ||
- | In Germany, soda ash is produced in three production facilities, all of which use the Solvay process. | + | In Germany, soda ash is produced in three production facilities, all of which use the Solvay process. The production data is thus confidential. |
- | ===== Methodology | + | ===== Method |
=== Activity data === | === Activity data === | ||
- | The Federal Statistical Office determines the total amounts of soda ash produced in Germany, but only regarding | + | The Federal Statistical Office determines the total amounts of soda ash produced in Germany, but only in a way that respects |
=== Emission factor === | === Emission factor === | ||
- | Emission factors (for TSP and NH,,3,,) are confidential | + | Emission factors (for TSP and NH<sub>3</ |
- | === Discussion of emission | + | === Discussion of emission |
- | > The steep reduction especially for NH,,3,, at the beginning of the 1990s was due to closures in the eastern German industrial sector. For year 1990 for eastern Germany is in case of TSP pointed out the summary figure for the Chemical Industry as a whole. However, after 1992, emissions of NH3 occur at a lower level. | + | The steep reduction—especially for NH<sub>3</ |
- | All trends in emissions correspond to trends of emission factors | + | All trends in emissions correspond to trends of emission factors. No rising trends are to identify. |
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