An Alternative Route for Coal to Liquids: Methanol-to-Gasoline (MTG) Technology Max Heinritz-Adrian / Uhde GmbH, Germany Adrian Brandl / Uhde GmbH, Germany Max Hooper / Uhde Corporation of America Xinjin Zhao / EMRE, U.S.A. Samuel A. Tabak / EMRE, U.S.A. Presented at the Gasification Technologies Conference 17th October, 2007 Hyatt Regency Hotel, San Francisco, CA
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An Alternative Route for Coal to Liquids: Methanol-to ... · 1. Methanol to Gasoline (MTG) is an effective route for coal to liquids processing 2. MTG is commercially fully proven
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An Alternative Route for Coal to Liquids:
Methanol-to-Gasoline (MTG) Technology
Max Heinritz-Adrian / Uhde GmbH, Germany
Adrian Brandl / Uhde GmbH, Germany
Max Hooper / Uhde Corporation of America
Xinjin Zhao / EMRE, U.S.A.
Samuel A. Tabak / EMRE, U.S.A.
Presented at the Gasification Technologies Conference
17th October, 2007
Hyatt Regency Hotel, San Francisco, CA
An Alternative Route for Coal to Liquids:
Methanol-to-Gasoline (MTG) Technology
AGENDA
1. Introduction
2. MTG Principles
3. Fixed-Bed MTG
4. New Zealand Synfuels Plant
5. Coal to Gasoline Concept
6. Fluidized Bed MTG
7. Conclusion
Routes to Synthetic Transportation Fuels: FT, MTG
SynGasGeneration
Methanol toGasoline (MTG)Steam
Natural GasCoal
BioMass
• Both are 3 Step Process
• Thermal Efficiencies are Essentially Governed by ThermalEfficiencies of the Syngas Production Process and Feed
PrimarilyGasoline
FischerFischer
TropschTropsch
Methanol
Synthesis
ProductProduct
Work-upWork-upPrimarily
Diesel
100100100
0.151Oxygenates
-546Heavy Oil/Wax
-1622Gasoil/Distillate
82.33619C5 - 160C
10.911Butane
1.192Butylenes
4.321Propane
0.2112Propylene
0.431Ethane
-40Ethylene
0.785Methane
MTGCompound
Comparison of Fischer Tropsch with MTG
Low Temp FT*
Co Catalyst @428F
High Temp FT*
Fe Catalyst@644F
* Steyberg & Dry, “Fischer Tropsch Technology”, Elsevier, 2004 (All FT yields are prior to refining for gasoline octane ,and diesel pour point improvement)
** Final plant product with gasoline Octane 92 R+O
• Unique “Shape Selective” chemistry discovered in the early 1970’s
• Major Challenge – Make marketable gasoline
• Development by Mobil (now ExxonMobil) through the 70’s on a variety ofprocess options
– Pilot operations up to 4 bpd in the US
– Pilot operations up to 100 bpd in Germany (with Uhde): Fluidized-bed MTG
and MTO between 1982-1985
• Decision by New Zealand Government in 1979 to build commercial 14,500bpd
plant in Motunui, NZ. Plant ownership 75% NZ Government/25% ExxonMobil
• Plant started up 1985 and operated successfully for ~10 years till conversion to
chemical grade Methanol production
• Contract for 100,000 mtpa MTG plant for JAM, Shanxi, China awarded to Uhde in
2006 - start-up of the plant expected in late 2008
MTG Scale-up and Development
Shape Selective Dehydration/Condensation of Methanol to Gasoline
MTG ProcessReaction Principle
Product ProductionPer 1000 tonnes MeOH
Gasoline 387
LPG 46
Fuel gas 7
Methanol
Water
Gasoline
Water 560
Recycled as process water
Typical Fixed-Bed MTG Product Quality
2005
Summer
2005
Winter
MTG
Gasoline
US
Regulation
China
Regulation
Oxygen(Wt%) 0.95 1.08
API Gravity 58.4 61.9 61.8
Aromatics(%Vol) 27.7 24.7 26.5 40
Olefins(%Vol) 12 11.6 12.6 35
RVP(psi) 8.3 12.12 9
T50(F) 211.1 199.9 201
T90(F) 330.7 324.1 320
Sulfur(ppm) 106 97 0 30 800 (30)
Benzene(%Vol) 1.21 1.15 0.3 1 (0.62) 2.5 (1)
• MTG Gasoline is completely compatible with conventional gasolineinfrastructure.
• MTG Gasoline contains zero sulfur and low benzene contents.
Date Sources: US Average gasoline data from US EIA website.