Paul de Wild

POSITION: BIOBASED PRODUCTS
TNO UNIT: TNO ENERGY TRANSITION
UNIVERSITY: RUG, FSE, GREEN CHEMICAL REACTION ENGINEERING
 
TNO LOCATION: PETTEN
EMAIL: PAUL.DEWILD@TNO.NL
TEL: +31610520901

RESEARCH AREA

Within TNO Energy Transition my focus lies on the pyrolysis of biogenic materials (e.g. biomass residual streams such as lignin) and anthropogenic materials (e.g. waste plastics) into sustainable energy, chemicals and materials for the circular (biobased) economy. In close cooperation with industry and other knowledge institutions, I work on the development and market introduction of pyrolysis as a generic technology in combination with catalysis and separation technology for the conversion of biomass and plastic waste streams into valorisable products.

In addition, a second important area of my research is in biomass refinery that aims to develop new technologies with companies to convert different types of biomass into fuels, chemicals and materials. These technologies are an important part of the transition to a biobased economy. The focus is on the fractionation of second generation biomass (lignocellulose) by means of the patented FABIOLA™ organosolv process. This process produces hydrolysable cellulose and pure hemi-cellulose sugars as well as a lignin suitable for high-grade applications such as chemicals and materials.

RECENT RESULTS

Regarding biomass pyrolysis, it has been shown that lignin and lignin-rich types of biomass can be converted into a limited portfolio of valorisable aromatic products using the concept of PYRENA – PYPO (PYrolysis for RENewable Aromatics with PYrolysis Product Obtention), a specific fast pyrolysis – based method using integrated combustion of char and fractional condensation of the pyrolysis vapours. Examples are biobased additives (functional aromatics) for materials such as marine fuels, bitumen, rubber, epoxy- and phenol-formaldehyde resins and adipic acid.

Regarding plastic waste pyrolysis, thermal fingerprinting experiments recently indicated that commercial waste materials such as end-of-life-mattress materials can be converted into potential chemical feedstocks for a variety of applications such as chemically recycled plastic and specific individual chemicals. Orienting pyrolysis activities with spent wind turbine blades revealed possibilities to recover the glass / carbon fibers of the composite for re-use in different applications.      

RECENT PROJECTS

  • CALIBRA (CAscading LIgnin BioRefinery Approach), Government
  • UNRAVEL (UNique Refinery Approach to Valorise European Lignocellulosics), EU program
  • PRIMA (Pyrolysis Recycle Initiative Mattresses), Government
  • OvERWIND (recycling wind turbine blades), Government

TOP PUBLICATIONS

  • J. de Wild, A. Kloekhorst, R.K. Chowdari, W.J.J. Huijgen, H.J. Heeres; Biobased alkylphenols from lignins via a two-step pyrolysis – Hydrodeoxygenation approach. Bioresource Technology 229 (2017) 160–168.
  • Electra Papadopoulou, Paul J. de Wild, Sotirios Kountouras, Konstantinos Chrissafis; Evaluation of torrefaction condensates as phenol substitutes in the synthesis of phenol-formaldehyde adhesives suitable for plywood. Thermochimica Acta 663 (2018) 27–33.
  • van Duuren, JBJH, de Wild, PJ, Starck, S, Bradtmöller, C, Selzer, M, Mehlmann, K, Schneider, R, Kohlstedt, M, Poblete-Castro, I, Stolzenberger, J, Barton, N, Fritz, M, Scholl, S, Venus, J, Wittmann, C (2020); Limited life cycle and cost assessment for the bioconversion of lignin-derived aromatics into adipic acid; Biotech. Bioeng. In press.
  • Ina Vollmer, Michael J. F. Jenks, Mark C. P. Roelands, Robin J. White, Toon van Harmelen, Paul de Wild, Gerard P. van der Laan, Florian Meirer, Jos T. F. Keurentjes, Bert M. Weckhuysen; Beyond Mechanical Recycling: Giving New Life to Plastic Waste
    Angewandte Chemie 2020 (to be re-submitted with minor revisions)

LINKS

  • https://www.linkedin.com/feed/

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