# Commission Implementing Decision (EU) 2017/1442 of 31 July 2017 establishing best available techniques (BAT) conclusions, under Directive 2010/75/EU of the European Parliament and of the Council, for large combustion plants (notified under document C(2017) 5225) (Text with EEA relevance), Division BAT 52: In order to improve the general environmental performance of the combustion of gaseous and/or liquid fuels on offshore platforms, BAT is to use one or a combination of the techniques given below.

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

Techniques
Description
Applicability
a.
Process optimisation
Optimise the process in order to minimise the mechanical power requirements
Generally applicable
b.
Control pressure losses
Optimise and maintain inlet and exhaust systems in a way that keeps the pressure losses as low as possible
c.
Load control
Operate multiple generator or compressor sets at load points which minimise emissions
d.
Minimise the ‘spinning reserve’
When running with spinning reserve for operational reliability reasons, the number of additional turbines is minimised, except in exceptional circumstances
e.
Fuel choice
Provide a fuel gas supply from a point in the topside oil and gas process which offers a minimum range of fuel gas combustion parameters, e.g. calorific value, and minimum concentrations of sulphurous compounds to minimise SO2 formation. For liquid distillate fuels, preference is given to low-sulphur fuels
f.
Injection timing
Optimise injection timing in engines
g.
Heat recovery
Utilisation of gas turbine/engine exhaust heat for platform heating purposes
Generally applicable to new combustion plants.
In existing combustion plants, the applicability may be restricted by the level of heat demand and the combustion plant layout (space)
h.
Power integration of multiple gas fields/oilfields
Use of a central power source to supply a number of participating platforms located at different gas fields/oilfields
The applicability may be limited depending on the location of the different gas fields/oilfields and on the organisation of the different participating platforms, including alignment of time schedules regarding planning, start-up and cessation of production

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Source: https://www.legislation.gov.uk/eudn/2017/1442/annex/division/4/division/4.3/division/1 (the official version)
Page: https://openlegislation.uk/eu-decision-2017-1442/annex/division-4/division-4.3/division-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.