Biomass Pyrolysis

What are the products of a pyrolysis process?

• Bio-oil

• Gaseous products

• Biochar

• Oxygen

These are the characteristics of bio-oil except?

• High mosture content

• High acidity

• High density

• High heating value

Tags

NGSS.HS-PS1-2

Which type pyrolysis process require a high heating rate but with a very short residence time?

• Carbonization

• Fast pyrolysis

• Gasification

• Vacuum pyrolysis

What is the main product of carbonization?

• Charcoal

• Bio-oil

• Alcohols

• Gaseous products

Tags

NGSS.HS-ESS2-6

Which one of these is the correct order of the steps and stages of a conceptual fast pyrolysis process?

• Drying, grinding, pyrolysis reaction, char separation, quenching

• Drying, queching, pyrolysis reaction, char separation, grinding

• Drying, grinding, queching, pyrolysis reaction, char separation

• Drying, grinding, pyrolysis reaction, queching, char separation

What makes biomass pyrolysis interesting?

• Substantial energy densification compared to solid fuel

• Low retention of biomass carbon and energy

• Easier handling and logistics for liquid

• Operation at atmospheric pressure

Tags

NGSS.HS-ESS3-2

NGSS.HS-ESS3-4

Microalgae also can be used for pyrolysis process.

• True

• False

What are the types of fast pyrolysis reactors?

• Bubbling fluidized bed

• Ablative

• Auger

• Understoker

What are the fluidized bed heating options for a pyrolysis process?

• Hot wall

• Recycled hot sand

• Hot fluidizing gas

• Hot tubes

Tags

NGSS.HS-PS3-4

Heat is transferred from hot reactor wall surface to melt biomass in virtue of high pressures, achieved due to centrifugal force. This statement refers to which type of pyrolysis reactor?

Tags

NGSS.HS-PS3-4