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A World of Solutions Paraxylene Production via BP Crystallization Technology ERTC Conference 2017 By: Nicholas Kinnis
A World of Solutions
Paraxylene Production viaBP Crystallization Technology
ERTC Conference 2017By: Nicholas Kinnis
A World of Solutions 2
Paraxylene Introduction
• Isomer in the mixed C₈aromatics 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 3
Polyester Demand is Growing
68%
70%
72%
74%
76%
78%
80%
82%
84%
86%
0
20,000
40,000
60,000
80,000
100,000
120,000
2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022
Util
izat
ion,
%
Poly
este
r D
eman
d,
'000
Ton
nes
Polyester Balance
Filament Staple PET Film World Production Utilization Rate
Source: PCI Xylenes & Polyesters
A World of Solutions 4
BP PX Technology is the Technology of Choice
100+ Years of experience50 Years of continued
improvements
BP pXTechnology
licensed by CB&I>99+% Reliability>$4M Annual Savings
*2 Million MT Plant
2 Million MT PX Plant>$30M Annual OPEX
Savings>$75M CAPEX Savings
(USGC basis)
Rapid DebottleneckingShortest Turnaround times
27% Lower GHG emissions66% Lower Flaring
Vs. Competing Processes
A World of Solutions 5
A Closer Look at the BP PX Process
Isomerization
Xylene Recovery
Light Aromatics
CrystallizationParaxylene
HydrogenHeavy
Aromatics
ReformateSplitter
Reformate
Light Reformate CrystallizationState-of-the-art crystallizer and centrifuge technologySeparate via large differences in freezing point of xylene isomers
IsomerizationIsomerize o- & m- xylenes to maximize p-xylene productionDe-ethylate EB, isomer that competes with px
Refinery or Imported Xylenes*
*BP PX: no requirement for O2 Stripper or Clay Towers
Offgas*includes Ethane
& Benzene
A World of Solutions 6
Separation by Crystallization, Lower Energy
2 Primary Commercial Routes
VaporizationFreezing
Selective AdsorptionCrystallization
Source: National Institute of Standards and Technology
38.582.2
0255075
100
Heat of Fusion pX Heat of Vaporization pXHea
t (kC
al/ k
g) pX Phase Change Data
Chemical Properties, °CMelting Boiling
Para-xylene +13 138.4Ortho-xylene -25 144.4Meta-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 7
Lower Fuel Consumption, Lower Emissions
-$20
-$10
$0
$10
$20
$30
$40
$50
$60
Relative Overall Energy Cost (EU Basis), $ / MT
Fuel Power Total
(Base)BP PX
Basis ME EU SEAFuel, $/MMkCal $30 $45 $60Electricity, $/kWh $0.09 $0.09 $0.09
Lower fuel consumption by BP PX
BP PX consumes less energy than competing technologies
Lower environmental footprint
ME Europe SEA
Competing Technologies
A World of Solutions 8
Showcase: Geel, Belgium Plant 705,000 MTA
100m
• Average PX purity > 99.8%; higher product purity easily achievable
• Average reliability over last 10 years = 99%+
• Exceeds strict European emissions criteria
A World of Solutions 9
BP PX’s Industry Leading Position
In 2016, output has been validated by independent third party:
Environmental Resources Management (ERM)
-10%-27%
IndustryAverage
EutrophicationPotential
Global WarmingPotential
Environmental ImpactBP PX vs Industry Average
PerformanceQuartiles
1st 2nd 3rd 4th
Power
Steam
Fuel
TotalEnergy
RawMat’s
3rd party benchmarking study vs competing technologies
A World of Solutions 10
Conclusion
Non-noble Metal Catalyst10 year life, in-situ regeneration
No adsorbent/desorbent
Low Pressure operation leads to CAPEX and OPEX Savings
Thermodynamic advantage: crystallization vs. vaporization
Customer
Lower fuel consumption:Industry-leading environmental footprint, validated by 3rd parties:
High Reliability & Continuous improvement
BP Paraxylene (pX) Technology2017 Best Petrochemical Technology
by Hydrocarbon Processing
A World of Solutions 11
Contact
Nicholas [email protected]+1-973-893-2877CB&I1515 Broad StreetBloomfield, NJ, 07003 USA
Copyright 2017, CB&I Inc. All Rights Reserved.
