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Division BAT 100

United Kingdom

Original text. Later amendments are not shown.

In order to prevent or reduce SO2 emissions to air (other than those that are routed to the sulphuric acid or liquid SO2 plant) from charging, smelting and tapping in primary and secondary lead and/or tin production, BAT is to use one or a combination of the techniques given below.

Descriptions of the techniques are given in Section 1.10.
TechniqueApplicability
aAlkaline leaching of raw materials that contain sulphur in the form of sulphateGenerally applicable
bDry or semi-dry scrubberf1 Generally applicable
cWet scrubber

Applicability may be limited in the following cases:

  • very high off-gas flow rates (due to the significant amounts of waste and waste water generated)

  • in arid areas (due to the large volume of water necessary and the need for waste water treatment)

dFixation of sulphur in the smelt phaseOnly applicable for secondary lead production
  1. Description

Annotations

Footnotes

f1

Descriptions of the techniques are given in Section 1.10.