Biomass Gasification

The main product of a gasification process is the syngas. What are the main components of a syngas?

• Carbon monoxide and hydrogen gas

• Carbon dioxide and hydrogen gas

• Carbon monoxide and hydrogen sulfide gas

• Carbon dioxide and hydrogen sulfide gas

What are examples of fixed bed gasifier?

• Underdraft gasifier

• Updraft gasifier

• Crossdraft gasifier

• Downdraft gasifier

Tags

NGSS.HS-ETS1-3

NGSS.HS-PS3-3

What are the gasifying agents that can be used for a gasification process?

• Steam

• Air

• Oxygen gas

• Carbon dioxide gas

What type of gasifier is also called a co-current fixed bed gasifier?

Tags

NGSS.HS-PS3-3

These are the methods that can be used to reduce ash particles in the resulting syngas produced.

• Wash tower

• Cyclone separator

• Ceramic filters

• Water scrubber

Tags

NGSS.HS-ETS1-3

NGSS.HS-ESS3-4

Which types gasification method produce the highest amount of tar?

• Circulating fluidized bed

• Updraft fixed bed

• Downdraft fixed bed

• Bubbling fluidized bed

Which product contaminants pose the greatest technical challenges for successful development of commercial gasification technologies?

Tags

NGSS.HS-ETS1-3

What is the most effective way to remove tar?

• Catalytic cracking

• Thermal cracking

• Mechanical cleaning

• High temperature cleaning

One of the synthesis process for syngas is the Fischer-Tropsch synthesis method. What is the main product of this method?

• Aldehyde

• Methanol

• Natural gas

• Fuel oil

Tags

NGSS.HS-PS1-6

Which process steps of a gasification process is in the correct order?

• Drying, pyrolysis, combustion, cracking, reduction

• Drying, reduction, pyrolysis, combustion, cracking

• Combustion, drying, pyrolysis, cracking, reduction

• Drying, combustion, reduction, pyrolysis, cracking