Techno-economic assessment of conversion processes for biomass to products: technology concepts for the conversion of biomass and biogenic residues

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Jäger, Nils (2018). Techno-economic assessment of conversion processes for biomass to products: technology concepts for the conversion of biomass and biogenic residues. University of Birmingham. Ph.D.

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Abstract

Within the framework of this techno-economic assessment, the possible contribution of the platform technology Thermo-Catalytic Reforming (TCR®) to reduce CO2 emissions, save resources, and solve waste problems was evaluated. The selection of the feedstocks included samples of sewage sludge, woody biomass, algae, organic fraction of municipal solid waste, leather residues, peat, lignite, and selected mixtures thereof. These feedstocks were processed in a lab-scale TCR plant with a capacity of 2 kg/h and converted into oil, gas, and carbonisates. It is targeted to utilize these products as substitutes for fossil resources for energetic and material usage. For each feedstock, optimum process parameters, correlations regarding feedstock and product composition and yields, and measures to optimize the technology, were identified. The experimental results were used as a basis for the economic evaluation. To identify promising value chains, the levelized costs/levelized revenues approach was adopted for multi-product processes. State of the art technologies and the products thereof were the benchmark. By linking the results of the technical and economic evaluation, the optimum utilization pathways for the processed feedstocks, related products, and potentials to increase the competitiveness of the technology were identified.

Type of Work:

Thesis (Doctorates > Ph.D.)

Award Type:

Doctorates > Ph.D.

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