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Models for Lignocellulose Thermochemical Conversion

Project description

Lignocellulose pyrolysis mechanisms and kinetics

Decarbonisation requires the production of chemicals, fuels and energy from lignocellulosic plant matter. It is therefore important to understand what lignocellulose “is” and how its chemical structures react in thermochemical processing technologies such as pyrolysis. Pyrolysis is a promising method to generate valuable products from lignocellulose and the fundamental process of more complex thermochemical technologies, such as catalysis. The EU-funded Mod-L-T project will decipher the elementary reaction mechanism and kinetics of lignocellulose pyrolysis. It will create the first detailed mass- and energy-conserved chemical reaction model for lignocellulose, focusing on the less studied reaction kinetics of hemicellulose and lignin. This work will underpin industry understanding and computer simulation of the utilisation of lignocellulosic biomass waste feedstocks.

Objective

Chemicals, fuels and energy must be produced from lignocellulosic plant-matter if global economies are to decarbonise. To be successful, these lignocellulose-derived products must compete in technical quality and price with fossil derived products. Thus, we must understand what lignocellulose is, and how its chemical structures react in thermochemical processing technologies, such as pyrolysis. Pyrolysis is a promising method to produce valuable products from lignocellulose and the basic fundamental process of more complex thermochemical technologies, such as catalysis. Mod-L-T deciphers the elementary reaction mechanism and kinetics of lignocellulose pyrolysis. Relative to cellulose, the reaction kinetics of hemicellulose and lignin are less studied, and thus the focus of Mod-L-T.

Mod-L-T creates the first detailed, elementary, mass- and energy-conserved chemical reaction model for lignocellulose pyrolysis.

A compositional characterisation and modelling procedure utilising Nuclear Magnetic Resonance spectroscopy identifies what molecular structures comprise, and best represent actual lignocelluloses. The mechanism and kinetics of the pyrolysis reaction of the identified hemicellulose and lignin functionalities are then rigorously and systematically determined by the study of model molecules of incrementally increasing structural complexity, up to actual hemicellulose and lignin structures. Experimental and theoretical means are coordinated; A Thin Film Reactor obtains kinetically limited isothermal reaction rate and time-resolved evolved species information. Potential Energy Surfaces are determined by the M06-2X/6-311++G(d, p) methodology. This new fundamental knowledge is assimilated by the construction of detailed reaction kinetic models for hemicellulose, lignin and lignocellulose pyrolysis. The knowledge is disseminated for application in optimized and reduced models, envisaging their coupling to process and fluid dynamic engineering modelling tools.

Fields of science (EuroSciVoc)

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Keywords

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Programme(s)

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Topic(s)

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Funding Scheme

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ERC-COG - Consolidator Grant

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Call for proposal

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(opens in new window) ERC-2020-COG

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Host institution

THE PROVOST, FELLOWS, FOUNDATION SCHOLARS & THE OTHER MEMBERS OF BOARD, OF THE COLLEGE OF THE HOLY & UNDIVIDED TRINITY OF QUEEN ELIZABETH NEAR DUBLIN
Net EU contribution

Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.

€ 1 943 146,88
Address
COLLEGE GREEN TRINITY COLLEGE
D02 CX56 Dublin
Ireland

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Region
Ireland Eastern and Midland Dublin
Activity type
Higher or Secondary Education Establishments
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Total cost

The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.

€ 1 943 146,88

Beneficiaries (1)

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