# 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 47:: In order to reduce the amount of paraformaldehyde-containing waste being sent for disposal, BAT is to use one or a combination of the techniques given below.

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

Technique
Description
Applicability
a.
Minimisation of paraformaldehyde generation
The formation of paraformaldehyde is minimised by improved heating, insulation and flow circulation
Generally applicable
b.
Material recovery
Paraformaldehyde is recovered by dissolution in hot water where it undergoes hydrolysis and depolymerisation to give a formaldehyde solution, or is reused directly in other processes
Not applicable when the recovered paraformaldehyde cannot be used due to its contamination
c.
Use of residues as a fuel
Paraformaldehyde is recovered and used as a fuel
Only applicable when technique b. cannot be applied

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Source: https://www.legislation.gov.uk/eudn/2017/2117/annex/division/5/division/5.3/division/BAT+47 (the official version)
Page: https://openlegislation.uk/eu-decision-2017-2117/annex/division-5/division-5.3/division-BAT+47
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.