This Presentation gives information about Syngas and Synthetic natural gas made from syn gas. Keep it in mind there is a difference between SNG and syn gas.

1. Syn Gas,
Synthetic Natural Gas
SNG
Hameed Akhtar
2k10-Che-155

2. Synthetic Natural Gas
• Synthetic natural gas, is a fuel gas that can be produced
from fossil fuels such as lignite coal or from biofuels
around 85% methane,
• Syngas is an abbreviation for synthesis gas, which is a
mixture comprising of carbon monoxide, carbon
dioxide, and hydrogen.
• The syngas is produced by gasification of a carbon
containing fuel to a gaseous product that has some
heating value.
• Clean Synthesis Gas is free of acid gases.
• Clean Synthesis Gas is widely applicable.

3. SNG Offers
Energy efficient biofuel production
Second generation biofuel
Transportation, heating and power generation fuel
Low emissions
Existing infrastructure
Integration with Wind, Water Solars through
Renewable Power Methane.

4. Low BTU Gas
• 150-300BTU/ft3
Basic Syngas
Produced by air
fed gasifier which
contains 35-50%
nitrogen, but
suffices as normal
industrial heating
fuel
Medium BTU gas
• 300-500BTU/ft3
higher grade
syngas produced
by ooxygen fed
Gasifier which
requires a
dedicated oxygen
plant
High BTU SNG
• 1000-1400BTU/ft3
this gas requires a
shift reactor to
upgrade the Gas
Catagories of Coal Syngas

5. Electricity Generation
● SNG works in existing natural gas generators
and turbines
● Can provide flexible low capital cost biomass
power

6. SNG
NH3
Gas
Turbine
Fisher
Tropsh
Syngas
Uses of Syngas

7. Uses of Synthetic Natural Gas
• Transportation
• Electricity generation
• Domestic
• Industrial (Ammonia Manufacture)
Natural gas buses are
widely used
● 150 units in Canada
Source: Marbek (2010)

8. Coal
Biomass
Wood
Misc
Sources of Syngas

9. Coal Gasification Technologies
• Basic Overview of gasification
• Coal or other fuels
• Oxidation carefully controlled
• H2, CO2, CH4, other products
• H2 can be purified
• Ash/slag leftovers
• 3 types of gasifiers
• Moving bed
• Fluid Bed
• Entrained Flow
• Underground Coal Gasification
• Vertical wells and pathway creation
• Controlled retraction injection point

10. Synthetic Natural Gas Across the Globe
America
• Sundrop Fuels
• Rentech
Europe
• Güssing
• GoBiGas project
approximately
930 dry tons
per day of
woody
biomass. Fuel Capacity 8MW