# 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 71:: In order to reduce waste water generation and the organic load discharged from the TDA plant to waste water treatment, BAT is to use a combination of techniques a., b. and c. and then to use technique d. as given below.

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

Technique
Description
Applicability
a.
Evaporation
See Section 12.2
Generally applicable
b.
Stripping
See Section 12.2
c.
Extraction
See Section 12.2
d.
Reuse of water
Reuse of water (e.g. from condensates or from scrubbing) in the process or in other processes (e.g. in a DNT plant). The extent to which water can be reused at existing plants may be restricted by technical constraints
Generally applicable
Table 9.3
BAT-AEPL for discharge from the TDA plant to waste water treatment
Parameter
BAT-AEPL(average of values obtained during 1 month)
Specific waste water volume
< 1 m3/t TDA produced

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Source: https://www.legislation.gov.uk/eudn/2017/2117/annex/division/9/division/9.2/division/BAT+71 (the official version)
Page: https://openlegislation.uk/eu-decision-2017-2117/annex/division-9/division-9.2/division-BAT+71
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.