{
  "url": "https://openlegislation.uk/eu-decision-2012-134/annex/division-5/division-1.7/division-1.7.2/division-57",
  "json_url": "https://openlegislation.uk/eu-decision-2012-134/annex/division-5/division-1.7/division-1.7.2/division-57.json",
  "legislation": "eudn/2012/134",
  "legislation_title": "Commission Implementing Decision of 28 February 2012 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 manufacture of glass (notified under document C(2012) 865) (Text with EEA relevance) (2012/134/EU)",
  "legislation_url": "https://openlegislation.uk/eu-decision-2012-134",
  "path": "annex/division/5/division/1.7/division/1.7.2/division/57",
  "kind": "division",
  "number": "57",
  "heading": null,
  "text": "BAT is to reduce NOX emissions from the melting furnace by using one or a combination of the following techniques:\nA description of the techniques is given in Section 1.10.2.\nTechnique\nApplicability\n(i) Combustion modifications\n(a)\nReduction of air/fuel ratio\nApplicable to air/fuel conventional furnaces.\nFull benefits are achieved at normal or complete furnace rebuild, when combined with optimum furnace design and geometry\n(b)\nReduced combustion air temperature\nApplicable only under installation-specific circumstances due to a lower furnace efficiency and higher fuel demand (i.e. use of recuperative furnaces in place of regenerative furnaces)\n(c)\nStaged combustion:\nAir staging\nFuel staging\nFuel staging is applicable to most conventional air/fuel furnaces.\nAir staging has very limited applicability due to the technical complexity\n(d)\nFlue-gas recirculation\nThe applicability of this technique is limited to the use of special burners with automatic recirculation of the waste gas\n(e)\nLow-NOX burners\nThe technique is generally applicable.\nThe achieved environmental benefits are generally lower for applications to cross-fired, gas-fired furnaces due to technical constraints and a lower degree of flexibility of the furnace.\nFull benefits are achieved at normal or complete furnace rebuild, when combined with optimum furnace design and geometry\n(f)\nFuel choice\nThe applicability is limited by the constraints associated with the availability of different types of fuel, which may be impacted by the energy policy of the Member State\n(ii)\nElectric melting\nNot applicable for large volume glass productions (> 300 tonnes/day).\nNot applicable for productions requiring large pull variations.\nThe implementation requires a complete furnace rebuild\n(iii)\nOxy-fuel melting\nThe maximum environmental benefits are achieved for applications at the time of a complete furnace rebuild\nTable 47\nBAT-AELs for NOX emissions from the melting furnace in the mineral wool sector\nThe conversion factors of 2 × 10–3 for glass wool and 2,5 × 10–3 for stone wool have been used (see Table 2).\nThe achievable levels depend on the quality of the natural gas and oxygen available (nitrogen content).\nParameter\nProduct\nMelting technique\nBAT-AEL\nmg/Nm3\nkg/tonne melted glass\nNOX expressed as NO2\nGlass wool\nFuel/air and electric furnaces\n< 200 – 500\n< 0,4 – 1,0\nOxy-fuel melting\nNot applicable\n< 0,5\nStone wool\nAll types of furnaces\n< 400 – 500\n< 1,0 – 1,25",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "footnote",
      "label": "f1",
      "text": "A description of the techniques is given in Section 1.10.2."
    },
    {
      "type": "footnote",
      "label": "f2",
      "text": "The conversion factors of 2 × 10–3 for glass wool and 2,5 × 10–3 for stone wool have been used (see Table 2)."
    },
    {
      "type": "footnote",
      "label": "f3",
      "text": "The achievable levels depend on the quality of the natural gas and oxygen available (nitrogen content)."
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eudn/2012/134/annex/division/5/division/1.7/division/1.7.2/division/57",
    "retrieved_at": "2026-11-01T15:15:31.348652+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."
}