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  • University of Groningen

    Catalytic hydroprocessing of bio-oils of different types Elliott, Douglas Charles

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    Publication date: 2019

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    Citation for published version (APA): Elliott, D. C. (2019). Catalytic hydroprocessing of bio-oils of different types. [Groningen]: University of Groningen.

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  • Catalytic Hydroprocessing of Bio-oils of Different Types

    Douglas Charles Elliott

  • Douglas Charles Elliott Catalytic Hydroprocessing of Bio-oils of Different Types

    Thesis, University of Groningen, The Netherlands

    Publication of this thesis was financially supported by the University of Groningen, the Netherlands

    Cover and layout: Lovebird design. www.lovebird-design.com Printing: Eikon +

    ISBN (printed book): 978-94-034-1736-3 ISBN (e-book): 978-94-034-1735-6

    © Copyright 2019 D. C. Elliott, Groningen, The Netherlands

    All rights reserved. No part of this thesis may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, by photocopying, recording or otherwise, without the prior written permission of the author.

    Catalytic Hydroprocessing of Bio-oils of Different Types

    PhD thesis

    to obtain the degree of PhD at the University of Groningen on the authority of the

    Rector Magnificus prof. E. Sterken and in accordance with

    the decision by the College of Deans.

    This thesis will be defended in public on

    Friday 31 May 2019 at 14.30 hours

    by

    Douglas Charles Elliott

    born on 2 August 1952 in Montana, U. S. A.

  • Douglas Charles Elliott Catalytic Hydroprocessing of Bio-oils of Different Types

    Thesis, University of Groningen, The Netherlands

    Publication of this thesis was financially supported by the University of Groningen, the Netherlands

    Cover and layout: Lovebird design. www.lovebird-design.com Printing: Eikon +

    ISBN (printed book): 978-94-034-1736-3 ISBN (e-book): 978-94-034-1735-6

    © Copyright 2019 D. C. Elliott, Groningen, The Netherlands

    All rights reserved. No part of this thesis may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, by photocopying, recording or otherwise, without the prior written permission of the author.

    Catalytic Hydroprocessing of Bio-oils of Different Types

    PhD thesis

    to obtain the degree of PhD at the University of Groningen on the authority of the

    Rector Magnificus prof. E. Sterken and in accordance with

    the decision by the College of Deans.

    This thesis will be defended in public on

    Friday 31 May 2019 at 14.30 hours

    by

    Douglas Charles Elliott

    born on 2 August 1952 in Montana, U. S. A.

  • TABLE OF CONTENTS

    1. Introduction and background ...........................................................9 1. Introduction and background.............................................................. 11 1.1. Renewable Fuels from Biomass via Fast Pyrolysis and Catalytic

    Hydrotreating ............................................................................. 11 1.2. Development of Catalytic Hydroprocessing of Bio-oil at PNNL ........... 12 1.3. Recent Progress in Bio-oil Hydrotreating in Europe ............................. 15 1.3.1. BIOCOUP ................................................................................. 15 1.3.2. University of Groningen ............................................................. 16 1.3.3. University of Twente ................................................................... 18 1.4. Thesis outline ..................................................................................... 19

    2. Temperature-Staged Hydrotreating of Fast Pyrolysis Bio-oil Using a C-Supported Catalyst ..........................................................23

    2.1. Introduction .......................................................................................25 2.2. Experimental ......................................................................................27 2.3. Results ...............................................................................................29 2.3.1. Feedstock Descriptions ...............................................................29 2.3.2. Hydroprocessing Results ...........................................................30 2.4. Discussion ......................................................................................... 33 2.5. Conclusions ....................................................................................... 37

    3. Hydrotreating Phase-Separated Bio-oil with Product Fractions Recovery ..........................................................................41

    3.1. Introduction .......................................................................................43 3.2. Experimental section ..........................................................................44 3.3. Results and discussion .......................................................................45 3.3.1. Hydroprocessing Tests in the Hydrotreater System .......................46 3.3.2. Distillation Processing of the Hydroprocessed Products ...............48

    4. Effects on Hydrotreating of Hot-Vapor Filtered Bio-oil ...................53 4.1. Introduction ....................................................................................... 55 4.2. Experimental ...................................................................................... 56 4.2.1. Feedstocks ................................................................................. 56 4.2.2. Fast Pyrolysis and Hot-Vapor Filtration ...................................... 56 4.2.3. Hydroprocessing ........................................................................ 58 4.2.4. Analytical Methods ....................................................................60 4.3. Results ............................................................................................... 61 4.3.1. Feedstocks ......................................................................................... 61

    Supervisor Prof. dr. ir. H.J. Heeres

    Co-supervisor Dr. ir. R. Venderbosch

    Assessment Committee Prof. F. Picchioni Prof. W. de Jong Prof. W. Prins

  • TABLE OF CONTENTS

    1. Introduction and background ...........................................................9 1. Introduction and background.............................................................. 11 1.1. Renewable Fuels from Biomass via Fast Pyrolysis and Catalytic

    Hydrotreating ............................................................................. 11 1.2. Development of Catalytic Hydroprocessing of Bio-oil at PNNL ........... 12 1.3. Recent Progress in Bio-oil Hydrotreating in Europe ............................. 15 1.3.1. BIOCOUP ................................................................................. 15 1.3.2. University of Groningen ............................................................. 16 1.3.3. University of Twente ................................................................... 18 1.4. Thesis outline ..................................................................................... 19

    2. Temperature-Staged Hydrotreating of Fast Pyrolysis Bio-oil Using a C-Supported Catalyst ..........................................................23

    2.1. Introduction .......................................................................................25 2.2. Experimental ......................................................................................27 2.3. Results ...............................................................................................29 2.3.1. Feedstock Descriptions ...............................................................29 2.3.2. Hydroprocessing Results ...........................................................30 2.4. Discussion ......................................................................................... 33 2.5. Conclusions ....................................................................................... 37

    3. Hydrotreating Phase-Separated Bio-oil with Product Fractions Recovery

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