Division BAT 46

United Kingdom

In order to reduce organic compound emissions to air from the pyrolytic treatment of copper turnings, and the drying, smelting and melting of secondary raw materials, BAT is to use one of the techniques given below.

	Technique^f1	Applicability
Descriptions of the techniques are given in Section 1.10.
a	Afterburner or post-combustion chamber or regenerative thermal oxidiser	The applicability is restricted by the energy content of the off-gases that need to be treated, as off-gases with a lower energy content require a higher fuel use
b	Injection of adsorbent in combination with a bag filter	Generally applicable
c	Design of furnace and the abatement techniques according to the raw materials available	Only applicable to new furnaces or major upgrades of existing furnaces
d	Select and feed the raw materials according to the furnace and the abatement techniques used	Generally applicable
e	Thermal destruction of TVOC at high temperatures in the furnace (> 1 000 °C)	Generally applicable

BAT-associated emission levels: See Table 4.

Table 4

BAT-associated emission levels for emissions to air of TVOC from the pyrolytic treatment of copper turnings, and the drying, smelting and melting of secondary raw materials

Parameter	BAT-AEL (mg/Nm³)^f2 ^f3
As a daily average or as an average over the sampling period.
The lower end of the range is associated with the use of a regenerative thermal oxidiser.
TVOC	3-30

Annotations

Footnotes

f1: Descriptions of the techniques are given in Section 1.10.
f2: As a daily average or as an average over the sampling period.
f3: The lower end of the range is associated with the use of a regenerative thermal oxidiser.