Attrition-free pyrolysis to produce bio-oil and char.
Experiments are performed on a laboratory scale setup where beech wood chips are heated by gas convection and walls radiation. This study shows that it is possible to obtain high bio-oil and char yields with relatively low external heat transfer coefficients. The main advantage of this convection/radiation heat transfer mode compared to solid-solid collisions, applied in fluidized bed or twin screw reactors, is the reduction of solid attrition (char and sand). Thus tricky gas-solid separation through hot cyclones and/or hot filters could be avoided or reduced. It should be possible to recover directly bio-oil with less char particles and char free of sand dust. These qualities would allow easier use of these bio-products in different applications.
Mauviel
Guillain
G
Laboratoire des Sciences du Génie Chimique, CNRS-Nancy Université, 1 rue Grandville, BP 20451, 54001 Nancy, Cedex, France. guillain.mauviel@ensic.inpl-nancy.fr
Guillain
Mauviel
M
Kies
Fairouz
F
Fairouz
Kies
K
René
Mar Sans
MS
Mar
Sans Rene
SR
Ferrer
Monique
M
Monique
Ferrer
F
Lédé
Jacques
J
Jacques
Lédé
L
D018533:Biomass; D001709:Biotechnology / Q000379:methods*; D002151:Calorimetry / Q000379:methods*; D004785:Environmental Pollutants / Q000032:analysis; D004867:Equipment Design; D005740:Gases; D006358:Hot Temperature; D009821:Oils; D013696:Temperature; D014835:Volatilization; D014934:Wood
D004785:Environmental Pollutants; D005740:Gases; D009821:Oils