{
  "url": "https://openlegislation.uk/eu-decision-2017-1442/annex/division-3/division-3.2/division-3.2.3/division-1",
  "json_url": "https://openlegislation.uk/eu-decision-2017-1442/annex/division-3/division-3.2/division-3.2.3/division-1.json",
  "legislation": "eudn/2017/1442",
  "legislation_title": "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)",
  "legislation_url": "https://openlegislation.uk/eu-decision-2017-1442",
  "path": "annex/division/3/division/3.2/division/3.2.3/division/1",
  "kind": "division",
  "number": "BAT 34",
  "heading": "In order to prevent or reduce SOX, HCl and HF emissions to air from the combustion of HFO and/or gas oil in reciprocating engines, BAT is to use one or a combination of the techniques given below.",
  "text": "Technique\nDescription\nApplicability\na.\nFuel choice\nSee descriptions in Section 8.4\nApplicable within the constraints associated with the availability of different types of fuel, which may be impacted by the energy policy of the Member State\nb.\nDuct sorbent injection (DSI)\nThere may be technical restrictions in the case of existing combustion plants\nNot applicable to combustion plants operated < 500 h/yr\nc.\nWet flue-gas desulphurisation (wet FGD)\nThere may be technical and economic restrictions for applying the technique to combustion plants of < 300 MWth.\nNot applicable to combustion plants operated < 500 h/yr.\nThere may be technical and economic restrictions for retrofitting existing combustion plants operated between 500 h/yr and 1 500 h/yr\nTable 19\nBAT-associated emission levels (BAT-AELs) for SO2 emissions to air from the combustion of HFO and/or gas oil in reciprocating engines\nThese BAT-AELs do not apply to plants operated < 1 500 h/yr.\nFor plants operated < 500 h/yr, these levels are indicative.\nThe higher end of the BAT-AEL range is 280 mg/Nm3 if no secondary abatement technique can be applied. This corresponds to a sulphur content of the fuel of 0,5 wt-% (dry).\nCombustion plant total rated thermal input(MWth)\nBAT-AELs for SO2 (mg/Nm3)\nYearly average\nDaily average or average over the sampling period\nNew plant\nExisting plant\nNew plant\nExisting plant\nAll sizes\n45–100\n100–200\n60–110\n105–235",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "footnote",
      "label": "f1",
      "text": "These BAT-AELs do not apply to plants operated < 1 500 h/yr."
    },
    {
      "type": "footnote",
      "label": "f2",
      "text": "For plants operated < 500 h/yr, these levels are indicative."
    },
    {
      "type": "footnote",
      "label": "f3",
      "text": "The higher end of the BAT-AEL range is 280 mg/Nm3 if no secondary abatement technique can be applied. This corresponds to a sulphur content of the fuel of 0,5 wt-% (dry)."
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eudn/2017/1442/annex/division/3/division/3.2/division/3.2.3/division/1",
    "retrieved_at": "2026-11-01T15:13:23.628050+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}