# Commission Implementing Decision (EU) 2017/2117 of 21 November 2017 establishing best available techniques (BAT) conclusions, under Directive 2010/75/EU of the European Parliament and of the Council, for the production of large volume organic chemicals (notified under document C(2017) 7469) (Text with EEA relevance), Division BAT 67:: In order to reduce emissions to air of PCDD/F from a thermal oxidiser (see Section 12.1) treating process off-gas streams containing chlorine and/or chlorinated compounds, BAT is to use technique a, if necessary followed by technique b, given below.

Extent: E+W+S+N.I.

Technique
Description
Applicability
a.
Rapid quenching
Rapid cooling of exhaust gases to prevent the de novo synthesis of PCDD/F
Generally applicable
b.
Activated carbon injection
Removal of PCDD/F by adsorption onto activated carbon that is injected into the exhaust gas, followed by dust abatement
BAT-associated emission levels (BAT-AELs): See Table 9.1.

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Source: https://www.legislation.gov.uk/eudn/2017/2117/annex/division/9/division/9.1/division/BAT+67 (the official version)
Page: https://openlegislation.uk/eu-decision-2017-2117/annex/division-9/division-9.1/division-BAT+67
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.