Paraxylene Production via BP Crystallization Technology

Paraxylene Production via BP Crystallization Technology ERTC Conference 2017 By: Nicholas Kinnis A World of Solutions

Paraxylene Introduction Isomer in the mixed C₈ aromatics family Para, Ortho, Meta & Ethylbenzene 50 M Ton Annual Market 5%-7% Growth 2 x Global GDP Growth Primary feedstock for PTA (Purified Terephthalic Acid) PTA feeds the polyester fiber market A World of Solutions 2

Polyester Demand is Growing 120,000 Polyester Balance 86% Polyester Demand, '000 Tonnes 100,000 80,000 60,000 40,000 20,000 84% 82% 80% 78% 76% 74% 72% 70% Utilization, % 0 68% 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 Filament Staple PET Film World Production Utilization Rate Source: PCI Xylenes & Polyesters A World of Solutions 3

BP PX Technology is the Technology of Choice 100+ Years of experience 50 Years of continued improvements BP px Technology licensed by CB&I >99+% Reliability >$4M Annual Savings *2 Million MT Plant 2 Million MT PX Plant Annual OPEX Savings CAPEX Savings (USGC basis) >$30M >$75M Rapid Debottlenecking Shortest Turnaround times 27% Lower GHG emissions 66% Lower Flaring Vs. Competing Processes A World of Solutions 4

A Closer Look at the BP PX Process Reformate Reformate Splitter Refinery or Imported Xylenes* *BP PX: no requirement for O2 Stripper or Clay Towers Light Reformate Light Aromatics Xylene Recovery Heavy Aromatics Offgas *includes Ethane & Benzene Isomerization Hydrogen Crystallization State-of-the-art crystallizer and centrifuge technology Separate via large differences in freezing point of xylene isomers Crystallization Paraxylene Isomerization Isomerize o- & m- xylenes to maximize p-xylene production De-ethylate EB, isomer that competes with px A World of Solutions 5

Separation by Crystallization, Lower Energy 2 Primary Commercial Routes Heat (kcal / kg) 100 75 50 25 0 Crystallization Freezing 38.5 Selective Adsorption Vaporization px Phase Change Data Heat of Fusion px 82.2 Heat of Vaporization px Source: National Institute of Standards and Technology Chemical Properties, C Melting Boiling Para-xylene +13 138.4 Ortho-xylene -25 144.4 Meta-Xylene -48 139.1 EthylBenzene -95 136.2 38 C 0.7 C Large differences in melting points result in lower energy to recover px A World of Solutions 6

Lower Fuel Consumption, Lower Emissions BP PX consumes less energy than competing technologies Lower fuel consumption by BP PX Lower environmental footprint Basis ME EU SEA Fuel, $/MMkCal $30 $45 $60 Electricity, $/kwh $0.09 $0.09 $0.09 $60 $50 $40 $30 $20 $10 $0 -$10 -$20 Relative Overall Energy Cost (EU Basis), $ / MT Competing Technologies (Base) BP PX ME Europe SEA Fuel Power Total A World of Solutions 7

Showcase: Geel, Belgium Plant 705,000 MTA Average PX purity > 99.8%; higher product purity easily achievable Average reliability over last 10 years = 99%+ Exceeds strict European emissions criteria 100m A World of Solutions 8

BP PX s Industry Leading Position 3 rd party benchmarking study vs competing technologies Power Performance Quartiles 1 st 2 nd 3 rd 4th Environmental Impact BP PX vs Industry Average -10% -27% Steam Fuel Total Energy Industry Average Eutrophication Potential Global Warming Potential Raw Mat s In 2016, output has been validated by independent third party: Environmental Resources Management (ERM) A World of Solutions 9

Conclusion Lower fuel consumption: Industry-leading environmental footprint, validated by 3 rd parties: Customer Low Pressure operation leads to CAPEX and OPEX Savings BP Paraxylene (px) Technology 2017 Best Petrochemical Technology by Hydrocarbon Processing Thermodynamic advantage: crystallization vs. vaporization Non-noble Metal Catalyst 10 year life, in-situ regeneration No adsorbent/desorbent High Reliability & Continuous improvement A World of Solutions 10