Commission Implementing Decision (EU) 2022/2427 of 6 December 2022 establishing t... (32022D2427)
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Commission Implementing Decision (EU) 2022/2427 of 6 December 2022 establishing the best available techniques (BAT) conclusions, under Directive 2010/75/EU of the European Parliament and of the Council on industrial emissions, for common waste gas management and treatment systems in the chemical sector (notified under document C(2022) 8788) (Text with EEA relevance)
- COMMISSION IMPLEMENTING DECISION (EU) 2022/2427
- of 6 December 2022
- establishing the best available techniques (BAT) conclusions, under Directive 2010/75/EU of the European Parliament and of the Council on industrial emissions, for common waste gas management and treatment systems in the chemical sector
- (notified under document C(2022) 8788)
- (Text with EEA relevance)
- Article 1
- Article 2
- ANNEX
- 1.
- Best Available Techniques (BAT) conclusions for Common Waste Gas Management and Treatment Systems in the Chemical Sector
- SCOPE
- DEFINITIONS
- ACRONYMS
- GENERAL CONSIDERATIONS
- Best Available Techniques
- Emission levels associated with the best available techniques (BAT-AELs) and indicative emission levels for channelled emissions to air
- BAT-AELs for diffuse VOC emissions to air
- BAT-AELs for total emissions to air for the production of polymers or synthetic rubbers
- Production of polyolefins or synthetic rubbers
- Production of PVC
- Production of viscose
- 1.1.
- General BAT conclusions
- 1.1.1.
- Environmental management systems
- BAT 1.
- In order to improve the overall environmental performance, BAT is to elaborate and implement an environmental management system (EMS) that incorporates all of the following features:
- Note
- Applicability
- BAT 2.
- In order to facilitate the reduction of emissions to air, BAT is to establish, maintain and regularly review (including when a substantial change occurs) an inventory of channelled and diffuse emissions to air, as part of the environmental management system (see BAT 1), that incorporates all of the following features:
- Note for diffuse emissions
- Applicability
- 1.1.2.
- Other than normal operating conditions (OTNOC)
- BAT 3.
- In order to reduce the frequency of the occurrence of OTNOC and to reduce emissions to air during OTNOC, BAT is to set up and implement a risk-based OTNOC management plan as part of the environmental management system (see BAT 1) that includes all of the following features:
- 1.1.3.
- Channelled emissions to air
- 1.1.3.1.
- General techniques
- BAT 4.
- In order to reduce channelled emissions to air, BAT is to use an integrated waste gas management and treatment strategy that includes, in order of priority, process-integrated recovery and abatement techniques.
- Description
- BAT 5.
- In order to facilitate the recovery of materials and the reduction of channelled emissions to air, as well as to increase energy efficiency, BAT is to combine waste gas streams with similar characteristics, thus minimising the number of emission points.
- Description
- BAT 6.
- In order to reduce channelled emissions to air, BAT is to ensure that the waste gas treatment systems are appropriately designed (e.g. considering the maximum flow rate and pollutant concentrations), operated within their design ranges, and maintained (through preventive, corrective, regular and unplanned maintenance) so as to ensure optimal availability, effectiveness and efficiency of the equipment.
- 1.1.3.2.
- Monitoring
- BAT 7.
- BAT is to continuously monitor key process parameters (e.g. waste gas flow and temperature) of waste gas streams being sent to pretreatment and/or final treatment.
- BAT 8.
- BAT is to monitor channelled emissions to air with at least the frequency given below and in accordance with EN standards. If EN standards are not available, BAT is to use ISO, national or other international standards that ensure the provision of data of an equivalent scientific quality.
- 1.1.3.3.
- Organic compounds
- BAT 9.
- In order to increase resource efficiency and to reduce the mass flow of organic compounds sent to the final waste gas treatment, BAT is to recover organic compounds from process off-gases by using one or a combination of the techniques given below and to reuse them.
- Applicability
- BAT 10.
- In order to increase energy efficiency and to reduce the mass flow of organic compounds sent to the final waste gas treatment, BAT is to send process off-gases with a sufficient calorific value to a combustion unit that is, if technically possible, combined with heat recovery. BAT 9 has priority over sending process off-gases to a combustion unit.
- Description
- Applicability
- BAT 11.
- In order to reduce channelled emissions to air of organic compounds, BAT is to use one or a combination of the techniques given below.
- BAT 12.
- In order to reduce channelled emissions to air of PCDD/F from thermal treatment of waste gases containing chlorine and/or chlorinated compounds, BAT is to use techniques a. and b., and one or a combination of techniques c. to e., given below.
- 1.1.3.4.
- Dust (including PM
- 10
- and PM
- 2,5
- ) and particulate-bound metals
- BAT 13.
- In order to increase resource efficiency and to reduce the mass flow of dust and particulate-bound metals sent to the final waste gas treatment, BAT is to recover materials from process off-gases by using one or a combination of the techniques given below and to reuse them.
- Applicability
- BAT 14.
- In order to reduce channelled emissions to air of dust and particulate-bound metals, BAT is to use one or a combination of the techniques given below.
- 1.1.3.5.
- Inorganic compounds
- BAT 15.
- In order to increase resource efficiency and to reduce the mass flow of inorganic compounds sent to the final waste gas treatment, BAT is to recover inorganic compounds from process off-gases by using absorption and to reuse them.
- Description
- Applicability
- BAT 16.
- In order to reduce channelled emissions to air of CO, NO
- X
- and SO
- X
- from thermal treatment, BAT is to use technique c. and one or a combination of the other techniques given below.
- BAT 17.
- In order to reduce channelled emissions to air of ammonia from the use of selective catalytic reduction (SCR) or selective non-catalytic reduction (SNCR) for the abatement of NO
- X
- emissions (ammonia slip), BAT is to optimise the design and/or operation of SCR or SNCR (e.g. optimised reagent to NO
- X
- ratio, homogeneous reagent distribution and optimum size of the reagent drops).
- BAT 18.
- In order to reduce channelled emissions to air of inorganic compounds other than channelled emissions to air of ammonia from the use of selective catalytic reduction (SCR) or selective non-catalytic reduction (SNCR) for the abatement of NO
- X
- emissions), channelled emissions to air of CO, NO
- X
- and SO
- X
- from the use of thermal treatment, and channelled emissions to air of NO
- X
- from process furnaces/heaters, BAT is to use one or a combination of the techniques given below.
- 1.1.4.
- Diffuse VOC emissions to air
- 1.1.4.1.
- Management system for diffuse VOC emissions
- BAT 19.
- In order to prevent or, where that is not practicable, to reduce diffuse VOC emissions to air, BAT is to elaborate and implement a management system for diffuse VOC emissions, as part of the environmental management system (see BAT 1), that includes all of the following features:
- Applicability
- 1.1.4.2.
- Monitoring
- BAT 20.
- BAT is to estimate fugitive and non-fugitive VOC emissions to air separately at least once every year by using one or a combination of the techniques given below, as well as to determine the uncertainty of this estimation. The estimation distinguishes between VOCs classified as CMR 1A or 1B and VOCs that are not classified as CMR 1A or 1B.
- Note
- BAT 21.
- BAT is to monitor diffuse VOC emissions from the use of solvents by compiling, at least once every year, a solvent mass balance of the solvent inputs and outputs of the plant, as defined in Part 7 of Annex VII to Directive 2010/75/EU and to minimise the uncertainty of the solvent mass balance data by using all of the techniques given below.
- Applicability
- BAT 22.
- BAT is to monitor diffuse VOC emissions to air with at least the frequency given below and in accordance with EN standards. If EN standards are not available, BAT is to use ISO, national or other international standards that ensure the provision of data of an equivalent scientific quality.
- Note
- Applicability
- 1.1.4.3.
- Prevention or reduction of diffuse VOC emissions
- BAT 23.
- In order to prevent or, where that is not practicable, to reduce diffuse VOC emissions to air, BAT is to use a combination of the techniques given below with the following order of priority.
- Note
- 1.1.4.4.
- BAT conclusions for the use of solvents or the reuse of recovered solvents
- 1.2.
- Polymers and synthetic rubbers
- 1.2.1.
- BAT conclusions for the production of polyolefins
- BAT 24.
- BAT is to monitor the TVOC concentration in polyolefin products, at least once every year for each representative polyolefin grade produced during the same year, in accordance with EN standards. If EN standards are not available, BAT is to use ISO, national or other international standards that ensure the provision of data of an equivalent scientific quality.
- Note
- Applicability
- BAT 25.
- In order to increase resource efficiency and to reduce emissions to air of organic compounds, BAT is to use all of the techniques given below, as far as applicable.
- 1.2.2.
- BAT conclusions for the production of polyvinyl chloride (PVC)
- BAT 26.
- BAT is to monitor channelled emissions to air with at least the frequency given below and in accordance with EN standards. If EN standards are not available, BAT is to use ISO, national or other international standards that ensure the provision of data of an equivalent scientific quality.
- BAT 27.
- BAT is to monitor the residual vinyl chloride monomer concentration in PVC slurry/latex, at least once every year for each representative PVC grade produced during the same year, in accordance with EN standards.
- Note
- BAT 28.
- In order to increase resource efficiency and to reduce the mass flow of organic compounds sent to the final waste gas treatment, BAT is to recover the vinyl chloride monomer from process off-gases by using one or a combination of the techniques given below, and to reuse the recovered monomer.
- Applicability
- BAT 29.
- In order to reduce channelled emissions to air of vinyl chloride monomer from the recovery of vinyl chloride monomer, BAT is to use one or a combination of the techniques given below.
- BAT 30.
- In order to reduce emissions to air of vinyl chloride monomer, BAT is to use all of the techniques given below.
- 1.2.3.
- BAT conclusions for the production of synthetic rubbers
- BAT 31.
- BAT is to monitor the TVOC concentration in synthetic rubbers, at least once every year for each representative synthetic rubber grade produced during the same year, in accordance with EN standards. If EN standards are not available, BAT is to use ISO, national or other international standards that ensure the provision of data of an equivalent scientific quality.
- Note
- Applicability
- BAT 32.
- In order to reduce emissions to air of organic compounds, BAT is to use one or a combination of the techniques given below.
- 1.2.4.
- BAT conclusions for the production of viscose using CS
- 2
- BAT 33.
- BAT is to monitor channelled emissions to air with at least the frequency given below and in accordance with EN standards. If EN standards are not available, BAT is to use ISO, national or other international standards that ensure the provision of data of an equivalent scientific quality.
- BAT 34.
- In order to increase resource efficiency and to reduce the mass flow of CS
- 2
- and H
- 2
- S sent to the final waste gas treatment, BAT is to recover CS
- 2
- by using technique a. and/or technique b. or a combination of technique c. with technique(s) a. and/or b., given below and to reuse the CS
- 2
- , or, alternatively, to use technique d.
- BAT 35.
- In order to reduce channelled emissions to air of CS
- 2
- and H
- 2
- S, BAT is to use one or a combination of the techniques given below.
- 1.3.
- Process furnaces/heaters
- BAT 36.
- In order to prevent or, where that is not practicable, to reduce channelled emissions to air of CO, dust, NO
- X
- and SO
- X
- , BAT is to use technique c. and one or a combination of the other techniques given below.
- 1.4.
- Description of techniques
- 1.4.1.
- Techniques to reduce channelled emissions to air
- 1.4.2.
- Techniques to monitor diffuse emissions to air
- 1.4.3.
- Techniques to reduce diffuse emissions
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