# 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 70:: In order to reduce the load of poorly biodegradable organic compounds discharged from the DNT plant to further waste water treatment, BAT is to pretreat the waste water using one or both of the techniques given below.

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

Technique
Description
Applicability
a.
Extraction
See Section 12.2
Generally applicable
b.
Chemical oxidation
See Section 12.2
Table 9.2
BAT-AEPLs for discharge from the DNT plant at the outlet of the pretreatment unit to further waste water treatment
Parameter
BAT-AEPL(average of values obtained during 1 month)
TOC
< 1 kg/t DNT produced
Specific waste water volume
< 1 m3/t DNT produced
The associated monitoring for TOC is in BAT 68.

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Source: https://www.legislation.gov.uk/eudn/2017/2117/annex/division/9/division/9.2/division/BAT+70 (the official version)
Page: https://openlegislation.uk/eu-decision-2017-2117/annex/division-9/division-9.2/division-BAT+70
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.