integrating nabc bio-oil intermediates · 2014-05-09 · integrating nabc bio-oil intermediates ....
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Integrating NABC bio-oil intermediates into the petroleum refinery
Thomas Foust, Mike Talmadge
Biomass 2013
Session 2-D: Working Together: Conventional Refineries and Bio-Oil R&D Technologies
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Petroleum refinery overview
Bulk property comparison between NABC bio-oil intermediates and petroleum refinery materials (intermediates, blendstocks and finished fuels).
Progress in developing a gasoline and diesel blending model to incorporate bio-products.
Agenda
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NABC Infrastructure Compatibility Strategy
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Biomass
Existing Refinery Infrastructure
Atm
osph
eric
&Va
cuum
Dis
tilla
tion
GasL NaphthaH NaphthaLGOVGO
Atm ResidVac Resid
Reform
FCC
Alky / Poly
HT/HC
Coker
GasolineJet FuelDiesel Fuel
Crude Oil
Refinery-Ready Intermediates
Finished Fuels & Blendstocks
Conversion Process Upgrading Process
Insertion Point #1
Insertion Point #2
Insertion Point #3
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Petroleum Refinery Overview
Source: Chevron Motor Gasolines Technical Review http://www.chevronwithtechron.com/products/documents/69083_MotorGas_Tech_Review.pdf
Crude Unit (Straight-Run or Virgin Intermediates)
Coker
Fluid Catalytic Cracker
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Hydrocracker
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Purpose: Utilize analysis results to characterize biomass-derived intermediates relative to typical petroleum refinery intermediates, blend stocks, and finished fuel blends.
Benefits: Compare bulk properties of NABC products to those of refinery streams
Determine theoretical hydrogen consumption (production) values
Identify refinery integration strategies
Note: This analysis is based solely on bulk properties (boiling curves, gravities, overall elemental compositions) presented with the Stage 1 results.
Bulk Property Comparison
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I Gra
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Volume Average True Boiling Point (Deg F)
Virgin Intermediates Coker Intermediates FCC Intermediates
Log. (Virgin Intermediates) Log. (Coker Intermediates) Log. (FCC Intermediates)
Intermediate / Product Comparison
Resids (1000+ °F)
Gas Oils (700 – 1000 °F)
Distillates (400 – 700 °F)
Naphthas (C5 – 400 °F)
Boiling Point = f (Carbon #)
Density = f (Carbon #, Hydrogen #) 141.5 API Gravity = – 131.5 SG
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Intermediate / Product Comparison
Resids (1000+ °F)
Gas Oils (700 – 1000 °F)
Distillates (400 – 700 °F)
Naphthas (C5 – 400 °F)
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AP
I Gra
vit
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Volume Average True Boiling Point (Deg F)
Normal Paraffins Naphthenes Single-Ring Aromatics Complex Aromatics
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AP
I Gra
vit
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Volume Average True Boiling Point (Deg F)
Normal Paraffins Naphthenes Single-Ring Aromatics Complex Aromatics C10 Line C16 Line
Intermediate / Product Comparison
Resids (1000+ °F)
Gas Oils (700 – 1000 °F)
Distillates (400 – 700 °F)
Naphthas (C5 – 400 °F)
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AP
I Gra
vit
y
Volume Average True Boiling Point (Deg F)
Normal Paraffins Naphthenes Single-Ring Aromatics Complex Aromatics C10 Line C16 Line
Intermediate / Product Comparison
Resids (1000+ °F)
Gas Oils (700 – 1000 °F)
Distillates (400 – 700 °F)
Naphthas (C5 – 400 °F)
Decreasing H:C Ratio
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Intermediate / Product Comparison
Resids (1000+ °F)
Gas Oils (700 – 1000 °F)
Distillates (400 – 700 °F)
Naphthas (C5 – 400 °F)
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AP
I Gra
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Volume Average True Boiling Point (Deg F)
Virgin Intermediates Coker Intermediates FCC Intermediates
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Impact of Oxygen Content
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Formula Oxygen (Wt%)
Boiling Point (°F)
Specific Gravity
API Gravity
N-Decane C10H22 0.0 346 0.734 61.2
Decanol C10H22O 10.1 448 0.833 38.3
Decanediol C10H22O2 18.4 567 1.080 -0.5
73% N-Decane + 27% Decanol (Hysys) C10H22O0.28 3.0 363 0.752 54.2
Impact of oxygen content on bio-product properties ignored as Stage 1 NABC materials contained ~3wt% or less
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AP
I Gra
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Volume Average True Boiling Point (Deg F)
Virgin Intermediates Coker Intermediates FCC Intermediates
NABC Gasoline Streams NABC Diesel Streams NABC Heavies Streams
Intermediate / Product Comparison
Resids (1000+ °F)
Gas Oils (700 – 1000 °F)
Distillates (400 – 700 °F)
Naphthas (C5 – 400 °F)
HTL
HYP
HYP
HTL
NABC Naphthas
NABC Distillates NABC
Heavies
HTL
HYP
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HTL Hydrothermal Liquefaction HYP Hydropyrolysis
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I Gra
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Volume Average True Boiling Point (Deg F)
NABC Gasoline Streams NABC Diesel Streams
Finished Gasoline Blend Finished Diesel Blend
Gasoline Blend Component Diesel Blending Components
Naphthas & Distillates (Hysys Results)
HTL
HYP
HYP
HTL
LSR
LCN
Alky
Ref
MCN
HT SR Kero
HC Kero HT CD HT SRD HC Dist
Distillates (400 – 700 °F)
Naphthas (C5 – 400 °F)
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HTL Hydrothermal Liquefaction HYP Hydropyrolysis
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AP
I Gra
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Volume Average True Boiling Point (Deg F)
NABC Gasoline Streams NABC Diesel Streams
Finished Gasoline Blend Finished Diesel Blend
Gasoline Blend Component Diesel Blending Components
LSR
LCN
Alky
Ref
MCN
Naphthas (C5 – 400 °F)
Refinery Integration – Naphthas
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Hydrothermal liquefaction (HTL): Possibly directly blended based on bulk properties but mild hydroprocessing may be required to blend appreciable volumes in gasoline pool.
Possible Insertion Point(s): Mild Naphtha Hydroprocessing or Blending
Hydropyrolysis (HYP): Highly aromatic material possesses significantly lower hydrogen to carbon ratio relative to typical refinery cracked naphthas (coker and FCC). The material would likely join heavy cracked naphtha refinery streams for hydroprocessing.
Possible Insertion Point(s): Cracked Naphtha Hydroprocessing
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I Gra
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Volume Average True Boiling Point (Deg F)
NABC Gasoline Streams NABC Diesel Streams
Finished Gasoline Blend Finished Diesel Blend
Gasoline Blend Component Diesel Blending Components
Refinery Integration – Distillates
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Hydrothermal liquefaction (HTL): Resembles the properties of FCC light cycle oil (LCO) and would likely follow the same processing path.
Possible Insertion Point(s): Hydroprocessing or Hydrocracking
HT SR Kero
HC Kero HT CD HT SRD HC Dist
Distillates (400 – 700 °F)
Hydropyrolysis (HYP): Likely to be more highly aromatic than FCC light cycle oil (LCO), which suggests significant hydrogen addition would improve potential for diesel blending.
Possible Insertion Point(s): High-Pressure Hydroprocessing or Hydrocracking
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AP
I Gra
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Volume Average True Boiling Point (Deg F)
Virgin Intermediates Coker Intermediates FCC Intermediates
NABC Gasoline Streams NABC Diesel Streams NABC Heavies Streams
Finished Fuel Blends
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Refinery Integration – Heavies
Hydrothermal liquefaction (HTL): Possesses similar bulk properties to coker gas oil.
Possible Insertion Point(s): Resid FCC or Hydrocracker
Hydropyrolysis (HYP): Properties resemble FCC heavy cycle oil (CHO) or unconverted bottoms (slurry oil).
Possible Insertion Point(s): Hydrocracker, Coker, Asphalt or Bunker Fuel Blending
Resids (1000+ °F)
Gas Oils (700 – 1000 °F)
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Purpose: Integrate NABC Stage 2 analysis results and refinery blendstock data into Aspen PIMS product blending model to evaluate the NABC product value to U.S. refineries with varying complexities.
Benefits:
Value ($ / Bbl or Gal) of NABC materials to refiners
Allowable blending volumes (blend wall)
Blending constraints
NABC Blending Model
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NABC Blending Model
Blending Model Basics Linear programming (LP) model in Aspen PIMS Blendstocks and costs from refinery and NABC PIMS solver maximizes profit RIN credits for bio-products Blend specifications
NATIONAL ADVANCED BIOFUELS CONSORTIUM PURPOSES ONLY 18
Gasoline Specific gravity / API gravity Reid vapor pressure (RVP) Road octane number (RON) Motor octane number (MON) Distillation curves (D86 or D2887) Benzene (Vol %) Olefins (Vol %) Aromatics (Vol %) Existing Gum (mg / 100 ml) Oxygen (Wt %) Mercaptan sulfur (Wt ppm) Sulfur (Wt ppm)
Diesel Specific gravity / API gravity Distillation curves (D86 or D2887) Aromatics (Vol %) Oxygen (Wt %) Sulfur (Wt ppm) Flash point (Deg F) Viscosity @ 122 Deg F (Cst) Pour point (Deg F) Cloud point (Deg F) Carbon residue (Wt %) Cetane index Total acid number (TAN)
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NABC Blending Model
Conventional 87 Gasoline
Conventional 93 Gasoline
On-Road Diesel (15 wppm S)
Marine Diesel (500 wppm S)
Heating Oil (2,000 wppm S)
Refinery Blendstocks (ACTUAL data from approximately 10 U.S. refineries)
NABC Whole Oils (Upgraded for refinery insertion if applicable)
NABC Whole Oil FRACTIONATION
Bunker Fuel Oil (Heavies)
SELL BLEND
Refinery Naphthas
Refinery Distillates
Product Specs
NABC Naphthas
NABC Distillates
NABC Heavies
Pricing Data
PIMS (Process Industry Modeling System) by
Upgrading (Hydroprocessing, Fluid Cat Cracking,
Coking)
BUY
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Refinery Residuals
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NATIONAL ADVANCED BIOFUELS CONSORTIUM PURPOSES ONLY 20
Thank you for your time and attention!
QUESTIONS?