Power generation based on biomass by combined fermentation and gasification – A new concept derived from experiments and modelling

Methling, Torsten; Armbrust, Nina; Haitz, Thilo; Speidel, Michael; Poboss, Norman; Braun‐Unkhoff, Marina; Dieter, Heiko; Kempter-Regel, Brigitte; Kraaij, Gerard; Schließmann, Ursula; Sterr, Yasemin; Wörner, Antje; Hirth, Thomas; Riedel, Uwe; Scheffknecht, G.

doi:10.1016/j.biortech.2014.07.036

Cited by 24 publications

(9 citation statements)

References 19 publications

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“…The research was focused on the development and implementation of a cost-effective environmentally safe technology of waste recycling and utilization, including energy recovery, by means of thermal and biochemical conversion processes [21,22]. In the period between May 2012 and December 2016, the total amount of 1853 Mg of biofuel was produced and provided as an innovative fuel to a power plant for co-combustion with coal in electricity generation.…”

Section: Methodsmentioning

confidence: 99%

The Bioconversion of Sewage Sludge to Bio-Fuel: The Environmental and Economic Benefits

Smoliński

Karwot²,

Bondaruk

et al. 2019

Materials

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This paper aims to analyze the economic feasibility of generating a novel, innovative biofuel—bioenergy—obtained from deposit bio-components by means of a pilot installation of sewage sludge bio-conversion. Fuel produced from sewage sludge biomass bears the potential of being considered a renewable energy source. In the present study, 23 bioconversion cycles were conducted taking into consideration the different contents, types of high carbohydrate additives, moisture content of the mixture as well as the shape of the bed elements. The biofuel was produced using post fermentation sewage sludge for industrial energy and heat generation. Based on the presented research it was concluded that the composite biofuel can be co-combusted with hard coal with the optimal percentage share within the range of 20–30% w/w. Sewage sludge stabilized by means of anaerobic digestion carried out in closed fermentation chambers is the final product. The average values of the CO2, CO, NO, NOx and SO2 concentrations in flue gas from co-combustion of a bioconversion product (20% w/w) and coal were 5.43%, 1903 ppm, 300 ppm, 303 ppm and 179 ppm, respectively. In total, within a period of 4.5 years of the plant operation, 1853 Mg of fuel was produced and successfully co-combusted with coal in a power plant. The research demonstrated that in the waste water treatment sector there exists energy potential in terms of calorific value which translates into tangible benefits both in the context of energy generation as well as environmental protection. Over 700,000 Mg of bio-sewage sludge is generated annually in Poland. According to findings of the study presented in the paper, the proposed solution could give 970,000 Mg of dry mass of biomass qualified as energy biomass replacing fossil fuels.

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Section: Methodsmentioning

confidence: 99%

The Bioconversion of Sewage Sludge to Bio-Fuel: The Environmental and Economic Benefits

Smoliński

Karwot²,

Bondaruk

et al. 2019

Materials

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“…However, the content of CH 4 inherent in the syngas is usually low (4-8 mol%), therefore, biogas produced from anabatic digestion was added. Zöhrer and Vogel [19] tested using the fermentation residues as the feedstock of gasification; and Methling et al [20] proposed a new configuration combining fermentation and gasification of sewage sludge and wood, and studied the feasibility of the subsequent utilization of the biogenic gases in a hybrid power plant, consisting of a solid oxide fuel cell and a gas turbine. Different from these works, this paper focuses on the production of CH 4 and the improvement of the efficiency of biogas upgrading and the overall efficiency of biomass utilization.…”

Section: Introductionmentioning

confidence: 99%

Feasibility study on combining anaerobic digestion and biomass gasification to increase the production of biomethane

Larsson

Dahlquist

et al. 2015

Energy Conversion and Management

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“…Gasification is considered to be the technology giving the product, synthesis gas, of the widest application range among the thermochemical conversion methods. The recent works concern the production of syngas [14][15][16][17] or hydrogen-rich gas [18][19][20] in gasification and co-gasification of sewage sludge, as well as hybrid systems combining thermochemical and biotechnological processes [21,22]. The process of steam co-gasification of sewage sludge with coal is of particular interest for several reasons [23][24][25].…”

Section: Introductionmentioning

confidence: 99%

Utilization of Energy Crops and Sewage Sludge in the Process of Co-Gasification for Sustainable Hydrogen Production

2018

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The increasing world energy demand driven by economic growth and technical development contributes to the severe depletion of conventional energy resources and various environmental issues. The need for the employment of low-emission, highly efficient technologies of thermochemical conversion, flexible in terms of both raw resources and product applications is declared, when the utilization of solid, alternative fuels is considered. Gasification is the proven technology of lower unit emission of contaminants and higher efficiency than combustion systems, as well as versatile applicability of the synthesis gas, as its main product. While the conversion of fossil fuels in gasification systems is technically mature, the co-utilization of biomass and waste still requires research and optimization in various technical and economic aspects. In this paper, the results of experimental work on co-gasification of energy crops biomass and sewage sludge with steam to produce hydrogen-rich gas are presented. The process is performed at 700, 800 and 900 • C under atmospheric pressure. The experimental results are analyzed with the application of the Hierarchical Clustering Analysis. The optimal results in terms of hydrogen production in co-gasification of selected biomass and sewage sludge are observed for Helianthus tuberosus L. blends of 10% w/w of sewage sludge content at 900 • C.

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Power generation based on biomass by combined fermentation and gasification – A new concept derived from experiments and modelling

Cited by 24 publications

References 19 publications

The Bioconversion of Sewage Sludge to Bio-Fuel: The Environmental and Economic Benefits

The Bioconversion of Sewage Sludge to Bio-Fuel: The Environmental and Economic Benefits

Feasibility study on combining anaerobic digestion and biomass gasification to increase the production of biomethane

Utilization of Energy Crops and Sewage Sludge in the Process of Co-Gasification for Sustainable Hydrogen Production

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