Oil production by entrained pyrolysis of biomass and processing of oil and char

Patent · Tue Jan 02 00:00:00 EST 1990

OSTI ID:867233

Knight, James A ^[1]; Gorton, Charles W ^[1]

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1. Atlanta, GA

Entrained pyrolysis of lignocellulosic material proceeds from a controlled pyrolysis-initiating temperature to completion of an oxygen free environment at atmospheric pressure and controlled residence time to provide a high yield recovery of pyrolysis oil together with char and non-condensable, combustible gases. The residence time is a function of gas flow rate and the initiating temperature is likewise a function of the gas flow rate, varying therewith. A controlled initiating temperature range of about 400.degree. C. to 550.degree. C. with corresponding gas flow rates to maximize oil yield is disclosed.

• DOE Contract Number: BC58663AQ
• Assignee: Georgia Tech Research Corporation (Atlanta, GA)
• Patent Number(s): US 4891459
• Application Number: 06/819,592
• OSTI ID: 867233
• Country of Publication: United States
• Language: English

Related Subjects

oil
production
entrained
pyrolysis
biomass
processing
char
lignocellulosic
material
proceeds
controlled
pyrolysis-initiating
temperature
completion
oxygen
free
environment
atmospheric
pressure
residence
time
provide
yield
recovery
non-condensable
combustible
gases
function
gas
flow
rate
initiating
likewise
varying
therewith
range
400
degree
550
corresponding
rates
maximize
disclosed
combustible gases
cellulosic material
pyrolysis oil
flow rates
residence time
gas flow
temperature range
flow rate
atmospheric pressure
combustible gas
lignocellulosic material
oil product
oil production
oxygen free
entrained pyrolysis
corresponding gas
/585/201/