# Commission Delegated Regulation (EU) 2019/331 of 19 December 2018 determining transitional Union-wide rules for harmonised free allocation of emission allowances pursuant to Article 10a of Directive 2003/87/EC of the European Parliament and of the Council (Text with EEA relevance), Division 2: Aromatics benchmark: CWT functions

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

Net fresh feed (F), Product feed (P)
CWT function
Description
Basis (kt/a)
CWT factor
Naphtha/gasoline hydrotreater
Benzene Saturation, Desulfurisation of C4–C6 Feeds, Conventional Naphtha H/T, Diolefin to Olefin Saturation, Diolefin to Olefin Saturation of Alkylation Feed, FCC Gasoline hydrotreating with minimum octane loss, Olefinic Alkylation of Thio S, S-Zorb™ Process, Selective H/T of Pygas/Naphtha, Pygas/Naphtha Desulfurisation, Selective H/T of Pygas/Naphtha.
Naphtha hydrotreating factor includes energy and emissions for Reactor for Selective H/T (NHYT/RXST) but capacity is not counted separately.
F
1,10
Aromatic solvent extraction
ASE: Extraction Distillation, ASE: Liquid/Liquid Extraction, ASE: Liq/Liq w/Extr. Distillation
CWT factor cover all feeds including Pygas after hydrotreatment. Pygas hydrotreating should be accounted under naphtha hydrotreatment.
F
5,25
TDP/TDA
Toluene Disproportionation/Dealkylation
F
1,85
Hydrodealkylation
Hydrodealkylation
F
2,45
Xylene isomerisation
Xylene Isomerisation
F
1,85
Paraxylene production
Paraxylene Adsorption, Paraxylene Crystallisation
Factor also includes energy and emissions for Xylene Splitter and Orthoxylene Rerun Column.
P
6,40
Cyclohexane production
Cyclohexane production
P
3,00
Cumene production
Cumene production
P
5,00

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Source: https://www.legislation.gov.uk/eur/2019/331/annex/II/division/2 (the official version)
Page: https://openlegislation.uk/eu-regulation-2019-331/annex-II/division-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.