Upgrading Options for Diesel Production Nicolas Thevenot 1 Agenda • • • • • Market characteristics Axens heavy ends technologies Overview of the different options Global analysis Economic evaluation • European case Upgrading Options for Diesel Production – Jornadas Latinoamericanas de refinacion – Mendoza 2006 2 EU-25 Market Characteristics Market Demand, kbpsd Market Structure, % 8 000 100% Middle Distillates 7 000 17.6 80% 6 000 5 000 Gasoline 3 000 Other* 40% Fuel Oil 1 000 10.8 45.7 50.3 10.7 8.0 2005 2020 20% Naphtha 0 1990 2000 10.5 17.6 60% 4 000 2 000 8.4 20.3 2010 2020 0% Other* = LPG, asphalt, coke, lubricants, etc. Source: IFP Upgrading Options for Diesel Production – Jornadas Latinoamericanas de refinacion – Mendoza 2006 3 Latin America Market Characteristics Market Demand, kbpsd Market Structure, % 3 000 100% 2 500 80% Middle Distillates 2 000 60% 23.2 23.6 3.4 3.7 23.3 25.1 Gasoline 1 500 Other* 1 000 40% 35.8 500 Fuel Oil 20% Naphtha 0 1990 2000 38.9 2010 2020 14.3 8.8 2005 2020 0% Other* = LPG, asphalt, coke, lubricants, etc. Source: IFP Upgrading Options for Diesel Production – Jornadas Latinoamericanas de refinacion – Mendoza 2006 4 Argentina Market Characteristics Market Demand, kbpsd Market Structure, % 400 100% Middle Distillates 300 29.8 28.9 1.4 15.0 0.9 16.9 50.0 51.0 3.8 2.2 2005 2020 80% 60% 200 Other* 40% Gasoline 100 Naphtha 0 1990 2000 20% Fuel Oil 2010 2020 0% Other* = LPG, asphalt, coke, lubricants, etc. Source: IFP Upgrading Options for Diesel Production – Jornadas Latinoamericanas de refinacion – Mendoza 2006 5 VGO & Resid Conversion Mapping Topping Unit Crude Oil HyC-10 FCC HyK Vacuum Distillation Unit Hyvahl H-Oil RC HDHPLUS® Solvahl R2R H-Oil DC Upgrading Options for Diesel Production – Jornadas Latinoamericanas de refinacion – Mendoza 2006 6 Resid Conversion - Axens’ Offer 1000 1000 800 Ni + V Content in Feed, ppm H-OilRC HDHPLUS 300 H-OilRC 200 100 Hyvahl + R2R 0 ... 30 40 50 60 70 80 90 Net VR Conversion,% Upgrading Options for Diesel Production – Jornadas Latinoamericanas de refinacion – Mendoza 2006 7 Resid Conversion Features • • • ARDS/VRDS TECHNOLOGY : HYVAHL • • Low to Medium diesel production: 20-25% Fixed bed process for VR hydrodesulfurization Can process feeds with high metals content using “PRS” technology Hydrotreated residue applications: • Ultra low sulfur (S< 0.3%) and stable fuel oil • Excellent feed for resid FCC unit (R2R) : low metal content reducing catalyst consumption + better products at R2R outlet Upgrading Options for Diesel Production – Jornadas Latinoamericanas de refinacion – Mendoza 2006 8 Resid Conversion Features • RESID FCC PROCESS : R2R • 1- or 2-Stage Regeneration (to reduce catalyst consumption from Va poisoning) • Technology: Feed injection, Mix Temperature Control, Riser Separator System RS2, Stripping with Structured Packing, Catalyst Coolers • New technology features and catalysts permit cracking of heavy feeds & high propylene yields. Upgrading Options for Diesel Production – Jornadas Latinoamericanas de refinacion – Mendoza 2006 9 Resid Conversion Features • RHCK PROCESS : H-OilRC • • • • • Ebullated bed process for VR Hydrocracking On-line Addition/Withdrawal of Catalyst • Constant Conversion and Product Quality • Very long cycle length VR Conversion range: 40 - 80% Process VR feeds with high metals and CCR Hydrocracked Residue application • Low sulfur (S< 1%) and stable Fuel oil • Feed for Coker or gasification units Upgrading Options for Diesel Production – Jornadas Latinoamericanas de refinacion – Mendoza 2006 10 Resid Conversion Features • • • • • • RHCK PROCESS : HDHPLUS® Slurry technology for deep hydrocracking of VR feeds Alliance with PDVSA, Intevep and IFP for improvement and marketing of the process Very high VR Conversion level, more than 85% of Vacuum Residue Can process heavy refractory VR feeds regardless of sulfur, metals, asphaltene and CCR contents Integrated scheme with Sequential Hydroprocessing of primary hydrocracked products Upgrading Options for Diesel Production – Jornadas Latinoamericanas de refinacion – Mendoza 2006 11 Overview of the Different Options: Case Study Base • • Arabian Medium Crude: API= 30.6, S= 2.4 wt.% • • Investment : European location Feedstock: 100,000 b/d (647.5 t/h) of Arabian Heavy/Arabian Light (50/50) atmospheric residue (S= 4 wt. %) Vacuum distillation, HDT, SMR, PPS, SRU Amines and alkylation units included Note: HDT = hydrotreating, SMR = steam methane reformer, SRU = sulfur recovery unit, PPS = propane-propylene splitter Upgrading Options for Diesel Production – Jornadas Latinoamericanas de refinacion – Mendoza 2006 12 Option 1: ARDS + RFCC FG HDT AT LPG C3= Naphtha AR 647 t/h ARDS Gasoline RFCC MD Fuel Oil 70 10 24 20 LPG and C5+ throughput Total: 592 t/h 191 277 Upgrading Options for Diesel Production – Jornadas Latinoamericanas de refinacion – Mendoza 2006 13 Option 2: RHCK + Mild HCK + RFCC FG HDT AT LPG C3= Naphtha AR 647 t/h VT VGO Mild HCK Gasoline FCC MD VR Fuel Oil RHCK 126 LPG and C5+ throughput Total: 616 t/h Upgrading Options for Diesel Production – Jornadas Latinoamericanas de refinacion – Mendoza238 2006 21 15 33 183 14 Option 3: RHCK + HP HCK FG HDT AT AR 647 t/h LPG Naphtha VT VGO MD HP-HCK VR HCK resid RHCK Fuel Oil 109 LPG and C5+ throughput Total: 626 t/h 27 108 46 337 Upgrading Options for Diesel Production – Jornadas Latinoamericanas de refinacion – Mendoza 2006 15 Option 4: Delayed Coker + HP HCK FG HDT AT AR 647 t/h LPG Naphtha VT VGO MD HP HCK VR HCK resid DC Coke 109 30 115 LPG and C5+ throughput Total: 626 t/h 46 325 Upgrading Options for Diesel Production – Jornadas Latinoamericanas de refinacion – Mendoza 2006 16 Option 5: RHCK + DC + HP HCK FG HDT AT AR 647 t/h LPG VT VGO Naphtha MD HP HCK VR HCK resid RHCK DC Coke 49 38 33 122 LPG and C5+ throughput Total: 621 t/h 379 Upgrading Options for Diesel Production – Jornadas Latinoamericanas de refinacion – Mendoza 2006 17 Option 6: HP HCK + VRDS + RFCC FG AT LPG C3= AR 647 t/h Naphtha VT Gasoline VGO HP HCK VR MD HCK resid VRDS RFCC Fuel Oil 34 49 19 13 69 LPG and C5+ throughput Total: 611 t/h 142 286 – Mendoza 2006 Upgrading Options for Diesel Production – Jornadas Latinoamericanas de refinacion 18 Products • • • • • Propane and butanes sold as LPG C3= from FCC and RFC is extracted (FCC/RFCC yield: ~ 5 wt%) in a PPS and sold as C3= polymer grade, C4= alkylated with iC4 Naphtha, gasoline, kerosene & gasoil are hydrotreated when required Hydrocracked residue (HCK residue), low BMCI* (high paraffinicity), used as a steam cracker feed, but could be also a very good base for oils Fuel oils: • • Hydrotreated LCO sold as domestic fuel oil (DFO) LSFO and HSFO *BMCI = Bureau of Mines Correlation Index Upgrading Options for Diesel Production – Jornadas Latinoamericanas de refinacion – Mendoza 2006 19 AR Conversion AR Conversion, wt% 100 90 80 70 89.2 86.6 80.6 76.1 87.2 76.0 60 50 40 30 20 10 0 N°2 N°3 N°1 ARDS + RHCK + Mild RHCK + HCK + FCC HP HCK RFCC N°4 DC + HP HCK N°5 N°6 RHCK+DC HP HCK + + HP HCK VRDS + RFCC with iC4 import Upgrading Options for Diesel Production – Jornadas Latinoamericanas de refinacion – Mendoza 2006 with iC4 import 20 LPG and C5+ liquid Yield LPG & C5+ Yield, wt% 100 90 80 91.4 95.2 96.8 90.1 93.3 79.7 70 60 50 40 30 20 10 0 N°2 N°3 N°1 ARDS + RHCK+ Mild RHCK + HCK + FCC HP HCK RFCC N°6 N°5 N°4 RHCK + DC HP HCK + DC + VRDS + HP HCK + HP HCK RFCC with iC4 import Upgrading Options for Diesel Production – Jornadas Latinoamericanas de refinacion – Mendoza 2006 with iC4 import 21 LPG, C5+ and Coke Throughput Production Capacity, t/h 700 LPG 600 10 24 20 22 15 33 27 30 33 108 115 122 500 183 400 142 Naphtha Gasoline 337 325 379 238 Middle distillates 279 HCK residue 191 100 70 0 Propylene 277 300 200 19 14 69 126 46 46 109 109 N°1 N°2 N°3 ARDS + RHCK + Mild RHCK + RFCC HCK + FCC HP HCK with iC4 import 49 38 34 49 Fuel Oil Coke N°4 N°5 N°6 DC + RHCK + DC HP HCK + HP HCK + HP HCK VRDS + RFCC with iC4 import Upgrading Options for Diesel Production – Jornadas Latinoamericanas de refinacion – Mendoza 2006 22 Objectives & Options Options N° 1 ARDS + RFCC N° 2 RHCK + Mild HCK + FCC N° 3 RHCK + HP HCK N° 4 DC + HP HCK N° 5 RHCK + DC + HP HCK N° 6 VRDS + RFCC + HP HCK AR LPG + C5+ conversion Liquid Yield Main product ++ + G + ++ MD/G ++ MD MD ++ + MD +++ ++ MD/G Upgrading Options for Diesel Production – Jornadas Latinoamericanas de refinacion – Mendoza 2006 Selection 23 Economic Assumptions & Methodology (1) • Economic evaluations based on: • Discounted Cash Flow (DCF) analysis • Profitability index comparisons (NPV, IRR, NPV/TCI, POT) • Net realization calculation ($/bbl of AR) = Total product sales – Total operating costs • Total operating costs = Exploitation costs (raw materials + utilities, catalyst, chemicals & manpower) + fixed costs (capital charge equal to ~ 20% of total capital investment + maintenance, taxes, insurance & overheads) • Discounted Cash Flow (DCF) analysis • • • • Depreciation period: 10 years Project duration: 30 years Discount rate 12% Tax Rate: 40% (construction duration 2 years) Upgrading Options for Diesel Production – Jornadas Latinoamericanas de refinacion – Mendoza 2006 24 Economic Assumptions & Methodology (2) • Capital investment • ISBL (Inside Battery Limit): European location • 10% contingencies • Total Capital Investment = ISBL + Off-sites + Engineering & Contractor fees + Interest on construction loan + Start-up cost + Working capital • NPV calculation based on European averaged values (between 2001 and 2006) for: • Investments, catalysts, utilities • Feedstock, products (NWE prices) Upgrading Options for Diesel Production – Jornadas Latinoamericanas de refinacion – Mendoza 2006 25 Total Capital Investments: 2006 TCI includes: • ISBL investments • Off sites • Engineering fees Billion $ 2.5 ~17% 2 1.5 • Contractor fees • Interest on construction loan • Start-up costs • Working capital 1 ~16% 2.38 2.31 1.98 1.99 2.23 1.73 0.5 0 N°1 N°2 N°3 ARDS + RHCK + RHCK + RFCC Mild HCK + HP HCK FCC N°4 N°5 N°6 DC + RHCK + DC HP HCK + HP HCK + HP HCK VRDS + RFCC Upgrading Options for Diesel Production – Jornadas Latinoamericanas de refinacion – Mendoza 2006 26 Total OPEX Comparison: 2006 $/ bbl AR 14 12.3 11.5 12 10 10.2 3.2 8.9 3.9 2.9 6 5.5 4 5.7 Manpower + Maintenance, Taxes, Insurance & Overheads Utilities (incl. Natural Gas) 4.9 2 0 7.2 6.9 3.8 1.2 10.6 3.6 8.0 3.2 8 3.7 1.5 1.4 N°1 N°2 N°3 ARDS + RHCK + RHCK + RFCC Mild HCK+ HP HCK FCC 0.2 1.4 1.3 N°4 N°5 N°6 DC + RHCK + DC HP HCK + HP HCK + HP HCK VRDS + RFCC Upgrading Options for Diesel Production – Jornadas Latinoamericanas de refinacion – Mendoza 2006 Catalyst & Chemicals 27 Product Revenues: 2006 Europe 90 Other* LPG Propylene 80 70 60 Naphtha 50 Gasoline 40 Middle distillates 30 Base Oil 20 Fuel Oil 10 *Other = Fuel Gas + Sulfur (+ Coke for n°4 & 5) Products – Raw Materials in ($/bbl AR) Product Revenues ($/ bbl AR) 0 N°1 ARDS + RFCC 28.9 N°2 N°3 RHCK + RHCK + Mild HCK+ HP HCK FCC 27.4 28.7 N°4 N°5 N°6 DC + RHCK + DC HP HCK + HP HCK + HP HCK VRDS + RFCC 21.6 Upgrading Options for Diesel Production – Jornadas Latinoamericanas de refinacion – Mendoza 2006 31.4 31.9 28 Economic Results 2006 Europe n°2 ARDS + RFCC RHCK + Mild HDK + FCC NPV@12% (106 $) 1123 1006 956 657 973 1351 NPV/TCI 0.47 0.51 0.48 0.38 0.42 0.61 IRR (%) 18.5 18.9 18.5 17.2 17.8 20.1 POT (yr)(from production start) ~ 7.3 ~7 ~ 7.3 ~ 8.2 ~ 7.9 ~ 6.2 5.3 5.0 4.9 3.0 4.7 7.4 Options Net Real. ($/bbl AR) n°3 n°4 n°5 n°1 RHCK + RHCK + DC + HP HP HDK HP HDK HDK + DC Upgrading Options for Diesel Production – Jornadas Latinoamericanas de refinacion – Mendoza 2006 n°6 HP HCK + VRDS + RFCC 29 Economic Results Europe 2003-2006 25 IRR (%) 20 Opt 1: ARDS + RFCC 15 Opt 2: RHCK + Mild-HDK + FCC Opt 3: RHCK + HP HDK Opt 4: DC + HP HDK 10 Opt 5: RHCK + HP HDK + DC Opt 6: HP HCK + VRDS + RFCC 5 0 2003 2004 2005 2006 Upgrading Options for Diesel Production – Jornadas Latinoamericanas de refinacion – Mendoza 2006 30 General Economic Considerations Europe 25 IRR (%) 2005 20 2004 2006 15 Opt 1: ARDS + RFCC Opt 2: RHCK + Mild-HDK + FCC 2001 10 Opt 3: RHCK + HP HDK 2003 5 2002 Opt 4: DC + HP HDK Opt 5: RHCK + HP HDK + DC Opt 6: HP HCK + VRDS + RFCC 0 50 100 150 200 250 300 (Diesel – Atmospheric Residue) Price Differential ($/t) Upgrading Options for Diesel Production – Jornadas Latinoamericanas de refinacion – Mendoza 2006 31 2006 Main Changes… • AR-to-diesel price differential decrease has deteriorated the profitability of schemes producing the higher quantity of MD i.e. options 3, 4 and 5. • Schemes presenting a more well balanced production (between Gasoline/MD) while minimizing HFO production are in a better position (options 2 and 6). • Situation is worst for schemes (4 & 5) producing coke due to AR-to-Coke price differential increase • AR price increased from 254 $/t (2005) to 356 $/t (2006) Upgrading Options for Diesel Production – Jornadas Latinoamericanas de refinacion – Mendoza 2006 32 IRR Sensitivity Study to Petcoke Price 2006 Situation IRR (%) 21 Opt 1: ARDS + RFCC 20 Opt 2: RHCK + Mild-HDK + FCC Opt 3: RHCK + HP HDK 19 Opt 4: DC + HP HDK Opt 5: RHCK + HP HDK + DC 18 Opt 6: HP HCK + VRDS + RFCC Linéaire (Opt 3: RHCK + HP HDK) Linéaire (Opt 2: RHCK + MildHDK + FCC) Linéaire (Opt 1: ARDS + RFCC) 17 16 0 10 20 30 40 50 60 70 Base Case Petcoke Price = 20 $/t Petcoke Price ($/t) 80 90 100 Linéaire (Opt 4: DC + HP HDK) Linéaire (Opt 5: RHCK + HP HDK + DC) Linéaire (Opt 6: HP HCK + VRDS + RFCC) Upgrading Options for Diesel Production – Jornadas Latinoamericanas de refinacion – Mendoza 2006 33 IRR Sensitivity Study to Natural Gas Price IRR (%) 23 Opt 1: ARDS + RFCC 21 Opt 2: RHCK + Mild-HDK + FCC Opt 3: RHCK + HP HDK Opt 4: DC + HP HDK 19 Opt 5: RHCK + HP HDK + DC Opt 6: HP HCK + VRDS + RFCC 17 Linéaire (Opt 3: RHCK + HP HDK) Linéaire (Opt 2: RHCK + MildHDK + FCC) Linéaire (Opt 1: ARDS + RFCC) 15 2 4 6 Gas Price ($/MMBtu) 8 Base Case Zeebrugge = 7.3 $/MMBtu 10 ~1% point IRR for: Linéaire (Opt 4: DC + HP HDK) ~1.5 $/MMBtu: Opt. 3, 5 Linéaire (Opt 5: RHCK + HP HDK + DC)$/MMBtu: Opt. 2, 4, 6 ~2.0 Linéaire (Opt 6: HP HCK + VRDS ~5.0 $/MMBtu: Opt. 1 + RFCC) Upgrading Options for Diesel Production – Jornadas Latinoamericanas de refinacion – Mendoza 2006 34 Conclusion • In a diesel oriented market, conversion profitability is mainly dependent on the diesel-to-AR price differential • A diesel-AR differential around 160 $/t is required to exceed a minimum IRR of 15% • Currently, with price differentials around 260 $/t (2006), all studied options are profitable • Due to AR-to-Coke price differential increase in 2006 profitability has deteriorated for schemes producing coke • Natural Gas price has a significant impact on profitability • Optimum solution depends on refinery specific constraints Upgrading Options for Diesel Production – Jornadas Latinoamericanas de refinacion – Mendoza 2006 35 Upgrading Options for Diesel Production 36 Atmospheric Residue Price Assessment Source: Platts, Axens NWE Prices ($/t) 400 300 398 $/t AR (0.6%S) AR (4%S) LSFO (1%S) HSFO (3.5%S) 356 $/t 314 $/t 283 $/t 200 100 0 2001 2002 2003 2004 2005 2006 • From HSFO at 3.5%S (283 $/t in 2006) & LSFO at 1%S (314 $/t) quotations Calculation of “Sulfur content adjustment” in $/t per %S (12.4 $/t/%S) • This “Sulfur content adjustment” is applied to AR at 0.6%S quotation (398 $/t) to estimate AR at 4%S (356 $/t) Upgrading Options for Diesel Production – Jornadas Latinoamericanas de refinacion – Mendoza 2006 37 Main Prices $/t 1000 800 Atmospheric Residue (Feed, 4%S) Diesel (on spec, NWE) Gasoline (on-spec NWE) Gasoline (on-spec US) Naphtha (NWE) Propylene (Polymer grade, NWE) 600 400 200 0 2001 2002 2003 2004 2005 Upgrading Options for Diesel Production – Jornadas Latinoamericanas de refinacion – Mendoza 2006 2006 38