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| CWT function | Description | Basis (kt/a) | CWT factor |
|---|---|---|---|
| Atmospheric Crude Distillation | Mild Crude Unit, Standard Crude Unit | F | 1,0 |
| Vacuum Distillation | Mild Vacuum Fractionation, Standard Vacuum Column, Vacuum Fractionating Column Vacuum distillation factor also includes average energy and emissions for Heavy Feed Vacuum (HFV) unit. Since this is always in series with the MVU, HFV capacity is not counted separately | F | 0,85 |
| Solvent Deasphalting | Conventional Solvent, Supercritical Solvent | F | 2,45 |
| Visbreaking | Atmospheric Residuum (w/o a Soaker Drum), Atmospheric Residuum (with a Soaker Drum), Vacuum Bottoms Feed (w/o a Soaker Drum), Vacuum Bottoms Feed (with a Soaker Drum) Visbreaking factor also includes average energy and emissions for Vacuum Flasher Column (VAC VFL) but capacity is not counted separately | F | 1,4 |
| Thermal Cracking | Thermal cracking factor also includes average energy and emissions for Vacuum Flasher Column (VAC VFL) but capacity is not counted separately | F | 2,7 |
| Delayed Coking | Delayed Coking | F | 2,2 |
| Fluid Coking | Fluid Coking | F | 7,6 |
| Flexicoking | Flexicoking | F | 16,6 |
| Coke Calcining | Vertical-Axis Hearth, Horizontal-Axis Rotary Kiln | P | 12,75 |
| Fluid Catalytic Cracking | Fluid Catalytic Cracking, Mild Residuum Catalytic Cracking, Residual Catalytic Cracking | F | 5,5 |
| Other Catalytic Cracking | Houdry Catalytic Cracking, Thermofor Catalytic Cracking | F | 4,1 |
| Distillate/Gasoil Hydrocracking | Mild Hydrocracking, Severe Hydrocracking, Naphtha Hydrocracking | F | 2,85 |
| Residual Hydrocracking | H-Oil, LC-Fining™ and Hycon | F | 3,75 |
| Naphtha/Gasoline Hydrotreating | Benzene Saturation, Desulphurisation 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 Desulphurisation, 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 | 1,1 |
| Kerosene/Diesel Hydrotreating | Aromatic Saturation, Conventional H/T, Solvent aromatics hydrogenation, Conventional Distillate H/T, High Severity Distillate H/T, Ultra-High Severity H/T, Middle Distillate Dewaxing, S-Zorb™ Process, Selective Hydrotreating of Distillates | F | 0,9 |
| Residual Hydrotreating | Desulphurisation of Atmospheric Residuum Desulphurisation of Vacuum Residuum | F | 1,55 |
| VGO Hydrotreating | Hydrodesulphurisation/denitrification, Hydrodesulphurisation | F | 0,9 |
| Hydrogen Production | Steam Methane Reforming, Steam Naphtha Reforming, Partial Oxidation Units of Light Feeds Factor for hydrogen production includes energy and emissions for purification (H2PURE), but capacity is not counted separately | P | 300,0 |
| Catalytic Reforming | Continuous Regeneration, Cyclic, Semi-Regenerative, AROMAX | F | 4,95 |
| Alkylation | Alkylation with HF Acid, Alkylation with Sulfuric Acid, Polymerisation C3 Olefin Feed, Polymerisation C3/C4 Feed, Dimersol Factor for alkylation/polymerisation includes energy and emissions for acid regeneration (ACID), but capacity is not counted separately | P | 7,25 |
| C4 Isomerisation | C4 Isomerisation Factor also includes energy and emissions related to average EU-27 special fractionation (DIB) correlated with C4 isomerisation | R | 3,25 |
| C5/C6 Isomerisation | C5/C6 Isomerisation Factor also includes energy and emissions related to average EU-27 special fractionation (DIH) correlated with C5 isomerisation | R | 2,85 |
| Oxygenate Production | MBTE Distillation Units, MTBE Extractive Units, ETBE, TAME, Isooctene Production | P | 5,6 |
| Propylene Production | Chemical Grade, Polymer grade | F | 3,45 |
| Asphalt Manufacture | Asphalt and Bitumen Manufacture Production figure should include Polymer-Modified Asphalt. CWT factor includes blowing | P | 2,1 |
| Polymer-Modified Asphalt Blending | Polymer-Modified Asphalt Blending | P | 0,55 |
| Sulphur Recovery | Sulphur Recovery Factor for sulfur recovery includes energy and emissions for tail gas recovery (TRU) and H2S Springer Unit (U32), but capacity is not counted separately | P | 18,6 |
| 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 |
| Hydrodealkylation | Hydrodealkylation | F | 2,45 |
| TDP/TDA | Toluene Disproportionation/Dealkylation | F | 1,85 |
| Cyclohexane production | Cyclohexane production | P | 3,0 |
| 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 | 6,4 |
| Metaxylene production | Metaxylene production | P | 11,1 |
| Phtalic anhydride production | Phtalic anhydride production | P | 14,4 |
| Maleic anhydride production | Maleic anhydride production | P | 20,8 |
| Ethylbenzene production | Ethylbenzene production Factor also includes energy and emissions for Ethylbenzene distillation | P | 1,55 |
| Cumene production | Cumene production | P | 5,0 |
| Phenol production | Phenol production | P | 1,15 |
| Lube solvent extraction | Lube solvent extraction: Solvent is Furfural, Solvent is NMP, Solvent is Phenol, Solvent is SO2 | F | 2,1 |
| Lube solvent dewaxing | Lube solvent dewaxing: Solvent is Chlorocarbon, Solvent is MEK/Toluene, Solvent is MEK/MIBK, Solvent is propane | F | 4,55 |
| Catalytic Wax Isomerisation | Catalytic Wax Isomerisation and Dewaxing, Selective Wax Cracking | F | 1,6 |
| Lube Hydrocracker | Lube Hydrocracker w/Multi-Fraction Distillation, Lube Hydrocracker w/Vacuum Stripper | F | 2,5 |
| Wax Deoiling | Wax Deoiling: Solvent is Chlorocarbon, Solvent is MEK/Toluene, Solvent is MEK/MIBK, Solvent is Propane | P | 12,0 |
| Lube/Wax Hydrotreating | Lube H/F w/Vacuum Stripper, Lube H/T w/Multi-Fraction Distillation, Lube H/T w/Vacuum Stripper, Wax H/F w/Vacuum Stripper, Wax H/T w/Multi-Fraction Distillation, Wax H/T w/Vacuum Stripper | F | 1,15 |
| Solvent Hydrotreating | Solvent Hydrotreating | F | 1,25 |
| Solvent Fractionation | Solvent Fractionation | F | 0,9 |
| Mol sieve for C10 + paraffins | Mol sieve for C10 + paraffins | P | 1,85 |
| Partial Oxidation of Residual Feeds (POX) for Fuel | POX Syngas for Fuel | SG | 8,2 |
| Partial Oxidation of Residual Feeds (POX) for Hydrogen or Methanol | POX Syngas for Hydrogen or Methanol, POX Syngas for Methanol Factor includes energy and emissions for CO Shift and H2 Purification (U71) but capacity is not counted separately | SG | 44,0 |
| Methanol from syngas | Methanol | P | –36,2 |
| Air Separation | Air Separation | P (MNm3 O2) | 8,8 |
| Fractionation of purchased NGL | Fractionation of purchased NGL | F | 1,0 |
| Flue gas treatment | DeSOx and deNOx | F (MNm3) | 0,1 |
| Treatment and Compression of Fuel Gas for Sales | Treatment and Compression of Fuel Gas for Sales | kW | 0,15 |
| Seawater Desalination | Seawater Desalination | P | 1,15 |
Basis for CWT factors: Net fresh feed (F), Reactor feed (R, includes recycle), Product feed (P), Synthesis gas production for POX units (SG).
| CWT function | Description | Basis (kt/a) | CWT factor |
|---|---|---|---|
| Naphtha/gasoline hydrotreater | Benzene Saturation, Desulphurisation 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 Desulphurisation, 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 | 1,1 |
| 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 | 6,4 |
| Cyclohexane production | Cyclohexane production | P | 3,0 |
| Cumene production | Cumene production | P | 5,0 |
Basis for CWT factors: Net fresh feed (F), Product feed (P).