# Commission Implementing Decision of 11 February 2013 establishing the best available techniques (BAT) conclusions under Directive 2010/75/EU of the European Parliament and of the Council on industrial emissions for the tanning of hides and skins (notified under document C(2013) 618) (Text with EEA relevance) (2013/84/EU), Division: The BAT-associated consumption levels for water

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

See Table 1 (for bovine hides) and Table 2 (for sheepskins).
Table 1
BAT-associated consumption levels for water for the processing of bovine hides
Monthly average values. Processing of calfskins and vegetable tanning may require a higher water
Process stages
Water consumption per tonne of raw hide(m3/t)
Unsalted hides
Salted hides
Raw to wet blue/white
10 to 15
13 to 18
Post-tanning processes and finishing
6 to 10
6 to 10
Total consumption.
16 to 25
19 to 28
Table 2
BAT-associated consumption levels for water for the processing of sheepskins
Monthly average values. Wool-on sheepskins may require a higher water consumption.
Process stages
Specific water consumption
litres per skin
Raw to pickle
65 to 80
Pickle to wet blue
30 to 55
Post-tanning processes and finishing
15 to 45
Total
110 to 180

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Source: https://www.legislation.gov.uk/eudn/2013/84/annex/division/2/division/1.3/division/4/division/1 (the official version)
Page: https://openlegislation.uk/eu-decision-2013-84/annex/division-2/division-1.3/division-4/division-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.