The rotating cone reactor: For rapid thermal solids processing

B.M. Wagenaar

    Research output: ThesisPhD Thesis - Research UT, graduation UTAcademic

    Abstract

    The rotating cone is a novel type of reactor for flash pyrolysis of biomass developed especially to maximize the bio-oil production. Wood particles fed to the bottom of the rotating cone together with an excess of inert heat carrier particles, are converted while being transported spirally upwards along the hot cone wall. Products obtained from the flash pyrolysis of wood dust in a rotating cone reactor are non-condensable gases, bio-oil and char. Specific features of this reactor are: rapid heating (5000 K/s) of the solids, a short residence time of the solids (0.5 s) and a small gas phase residence time (0.3 s). Since no carrier gas is required the pyrolysis products are not diluted. Reduction of the gas phase volume inside the rotating cone is possible by blocking a part of the volume inside the routing cone; it reduces the gas phase residence time in the reactor by which the secondary tar cracking is suppressed. Apart from biomass conversion, other promising areas of application of the routing cone technology are: the pyrolysis of coal or oil shale and the thermal cracking of polymers or oil residues. Also physical operations are possible like the drying of slurries by evaporation. For some of the chapters in this thesis separate abstracts have been prepared.
    Original languageEnglish
    Awarding Institution
    • University of Twente
    Supervisors/Advisors
    • van Swaaij, Willibrordus P.M., Supervisor
    • Kuipers, J.A.M., Co-Supervisor
    Award date14 Apr 1994
    Place of PublicationEnschede
    Publisher
    Print ISBNs90-9007082-6
    Publication statusPublished - 14 Apr 1994

    Fingerprint

    Cones
    Processing
    Pyrolysis
    Gases
    Wood
    Biomass
    Oil shale
    Tar
    Slurries
    Hot Temperature
    Dust
    Drying
    Evaporation
    Coal
    Heating
    Polymers
    Oils

    Cite this

    Wagenaar, B. M. (1994). The rotating cone reactor: For rapid thermal solids processing. Enschede: University of Twente.
    Wagenaar, B.M.. / The rotating cone reactor : For rapid thermal solids processing. Enschede : University of Twente, 1994. 188 p.
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    abstract = "The rotating cone is a novel type of reactor for flash pyrolysis of biomass developed especially to maximize the bio-oil production. Wood particles fed to the bottom of the rotating cone together with an excess of inert heat carrier particles, are converted while being transported spirally upwards along the hot cone wall. Products obtained from the flash pyrolysis of wood dust in a rotating cone reactor are non-condensable gases, bio-oil and char. Specific features of this reactor are: rapid heating (5000 K/s) of the solids, a short residence time of the solids (0.5 s) and a small gas phase residence time (0.3 s). Since no carrier gas is required the pyrolysis products are not diluted. Reduction of the gas phase volume inside the rotating cone is possible by blocking a part of the volume inside the routing cone; it reduces the gas phase residence time in the reactor by which the secondary tar cracking is suppressed. Apart from biomass conversion, other promising areas of application of the routing cone technology are: the pyrolysis of coal or oil shale and the thermal cracking of polymers or oil residues. Also physical operations are possible like the drying of slurries by evaporation. For some of the chapters in this thesis separate abstracts have been prepared.",
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    publisher = "University of Twente",
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    Wagenaar, BM 1994, 'The rotating cone reactor: For rapid thermal solids processing', University of Twente, Enschede.

    The rotating cone reactor : For rapid thermal solids processing. / Wagenaar, B.M.

    Enschede : University of Twente, 1994. 188 p.

    Research output: ThesisPhD Thesis - Research UT, graduation UTAcademic

    TY - THES

    T1 - The rotating cone reactor

    T2 - For rapid thermal solids processing

    AU - Wagenaar, B.M.

    PY - 1994/4/14

    Y1 - 1994/4/14

    N2 - The rotating cone is a novel type of reactor for flash pyrolysis of biomass developed especially to maximize the bio-oil production. Wood particles fed to the bottom of the rotating cone together with an excess of inert heat carrier particles, are converted while being transported spirally upwards along the hot cone wall. Products obtained from the flash pyrolysis of wood dust in a rotating cone reactor are non-condensable gases, bio-oil and char. Specific features of this reactor are: rapid heating (5000 K/s) of the solids, a short residence time of the solids (0.5 s) and a small gas phase residence time (0.3 s). Since no carrier gas is required the pyrolysis products are not diluted. Reduction of the gas phase volume inside the rotating cone is possible by blocking a part of the volume inside the routing cone; it reduces the gas phase residence time in the reactor by which the secondary tar cracking is suppressed. Apart from biomass conversion, other promising areas of application of the routing cone technology are: the pyrolysis of coal or oil shale and the thermal cracking of polymers or oil residues. Also physical operations are possible like the drying of slurries by evaporation. For some of the chapters in this thesis separate abstracts have been prepared.

    AB - The rotating cone is a novel type of reactor for flash pyrolysis of biomass developed especially to maximize the bio-oil production. Wood particles fed to the bottom of the rotating cone together with an excess of inert heat carrier particles, are converted while being transported spirally upwards along the hot cone wall. Products obtained from the flash pyrolysis of wood dust in a rotating cone reactor are non-condensable gases, bio-oil and char. Specific features of this reactor are: rapid heating (5000 K/s) of the solids, a short residence time of the solids (0.5 s) and a small gas phase residence time (0.3 s). Since no carrier gas is required the pyrolysis products are not diluted. Reduction of the gas phase volume inside the rotating cone is possible by blocking a part of the volume inside the routing cone; it reduces the gas phase residence time in the reactor by which the secondary tar cracking is suppressed. Apart from biomass conversion, other promising areas of application of the routing cone technology are: the pyrolysis of coal or oil shale and the thermal cracking of polymers or oil residues. Also physical operations are possible like the drying of slurries by evaporation. For some of the chapters in this thesis separate abstracts have been prepared.

    M3 - PhD Thesis - Research UT, graduation UT

    SN - 90-9007082-6

    PB - University of Twente

    CY - Enschede

    ER -

    Wagenaar BM. The rotating cone reactor: For rapid thermal solids processing. Enschede: University of Twente, 1994. 188 p.