2.A Other Mineral Industries

Last updated on 04 Dec 2014 08:38 (cf. Authors)

The other mineral industries (not the other-category 2.A.7.d) are minor industries not included under energy-intensive or PM-intensive mineral industries, but with specific relevant emissions to refer here to Soda Ash Production (2.A.4), Asphalt Roofing (2.A.5) and Road Paving (2.A.6). The minor relevancy of this categories can be seen in the key analysis where these categories are not listed.

All categories in Detail:

2.A.4 - soda ash production

Short description
In Germany, soda ash is produced only chemically. The country has 3 production facilities, all of which use the Solvay process. In former years there were facilities with higher emissions from ammonia in new german Länder, emissions of NH3 after 1992 occur at a lower level.

Method
Activity data
The Federal Statistical Office determines the total amounts of soda ash produced in Germany.
Emission factor
Germany uses default emission factors (EMEP/EEA air pollutant emission inventory guidebook - 2009).

pollutant Name of Category EF unit Trend
NH3 soda ash 0.90 kg/t constant
TSP soda ash 0.10 kg/t constant

Recalculations

Recalculation activities were not necessary.

FAQ
No comments!

2.A.5 - asphalt roofing

Short description
Bitumen is used in production and laying of roof and sealing sheeting. Roof and sealing sheeting is laid by means of both hot and cold processes. The hot process, involving welding of sheeting, produces significant emissions of organic substances. The relevant emissions trends depend primarily on trends in quantities of polymer bitumen sheeting produced. Use of solvent-containing primers is not considered here; it is covered via the solvents model – cf. Chapter solvent-and-other-product-use (NFR sector 3).
Because of importance from other sources as solvents use, NMVOC emissions are considered and taken into account in this part of the emissions inventory.

Method
Activity data
The quantity of roof and sealing sheeting produced (activity rate) has been provided by the Verband der Dachbahnenindustrie, the roof-sheeting manufacturers association (VDD, actual table exchanged with UBA) ever since a relevant cooperation agreement was concluded.
Emission factor
In the process, a distinction is made between emissions from production and emissions from laying of roof and sealing sheeting. The emission factor for production of roof and sealing sheeting was obtained via a calculation in accordance with current technological standards of German manufacturers (VDD, see activitiy data). The emission factor for laying of polymer bitumen sheeting has been taken from an ecological balance sheet (IKP, 1996). The implied emission factor for the source category has been increasing slightly, as a result of the increasing importance of polymer bitumen sheeting.
NMVOC emissions are calculated in keeping with a Tier 1 method, since no pertinent detailed data are available.

pollutant Name of Category EF unit Trend
NMVOC Production of roof and sealing sheeting with bitumen 0.000357955 kg/m2 constant
NMVOC Laying of roof and sealing sheeting with bitumen 0.000027 – 0.000040 kg/m2 rising

Emissions from the use of solvents are reported under NFR 3 (see above), therefore the emission factors used are on a low level. The trend of emission is not influenced importantly by the changing use of material types.

Recalculations

Recalculation activities were not necessary.

FAQ
No comments!

2.A.6 - road paving

Short description
Currently, the report tables list produced quantities of mixed asphalt products (from stationary installations only) and NMVOC, NOx and SO2 emissions caused of this. Only emissions from asphalt production are reported. Figures relative to emissions released during laying of asphalt have not been examined.

Method
Activity data
The applicable quantity of mixed asphalt products produced (activity rate) has been taken from communications of the Deutscher Asphaltverband (DAV; German asphalt association).
Emission factor
Emission factors have been determined country-specifically, pursuant to Tier 2. For determination of emission factors for emissions measurements from over 400 asphalt-mixing plants, made during the period 1989 through 2000, were used. The majority of the emissions occur during drying of pertinent mineral substances. Almost all of the NMVOC emissions originate in the organic raw materials used, and they are released primarily in parallel-drum operation, as well as from mixers and loading areas. On average, about 50% of the NOx and SO2 involved come from the mineral substances (proportional process emissions). CO emissions are calculated solely in connection with fuel inputs.

pollutant Name of Category EF unit Trend
NMVOC Production of mixed asphalt 0.030 kg/t constant
NOx Production of mixed asphalt 0.015 kg/t constant
SOx Production of mixed asphalt 0.030 kg/t constant
TSP Production of mixed asphalt 0.006 kg/t constant
PM10 Production of mixed asphalt 0.0057 kg/t constant
PM2.5 Production of mixed asphalt 0.003 kg/t constant

Recalculations

Recalculation activities were not necessary.

FAQ
No comments!

2.A.7.a - mining activities

The description is located under pm-intensive-mineral-industries.

2.A.7.b - Construction

The description is located under pm-intensive-mineral-industries.

2.A.7.c - bulk products

The description is located under other industries.

2.A.7.d - salt production

The description is located under pm-intensive-mineral-industries.

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