Relevant bibliographies by topics / Syngas production efficiency

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Academic literature on the topic 'Syngas production efficiency'

Author: Grafiati

Published: 4 June 2021

Last updated: 13 February 2022

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Journal articles on the topic "Syngas production efficiency"

Nguyen, Minh, Gabriella Duddy, and Camila Karam. "Analysis of Industrial Syngas Production from Biomass." PAM Review Energy Science & Technology 2 (August 31, 2015): 67–91. http://dx.doi.org/10.5130/pamr.v2i0.1396.

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This meta-study provides a comparison across various gasification systems on the production of syngas from biomass as feedstock. The gasifier configuration systems analysed included; fixed-bed, fluidized, plasma, and entrained, and the effect of operational parameters on the syngas volume and composition were obtained and analysed across a number of studies. The relationships between efficiency, temperatures within the system, equivalence ratio, fuel quality, and biomass fuel types were investigated and it was shown that ER was the most influential operating parameter. A small generalised comp

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Chen, Ping, Yan Jiao, Yi-Han Zhu, et al. "Syngas production from electrocatalytic CO2 reduction with high energetic efficiency and current density." Journal of Materials Chemistry A 7, no. 13 (2019): 7675–82. http://dx.doi.org/10.1039/c9ta01932d.

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Zhang, Kaidi, Xunwang Shi, Xin Xin, et al. "Simulation and testing of the calorific value and cost analysis of biomass pyrolysis for heating, cooling, and power production." BioResources 14, no. 3 (2019): 5224–34. http://dx.doi.org/10.15376/biores.14.3.5224-5234.

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Ni-based catalysts supported on olivine were synthesized for cracking the biomass and producing the syngas. Syngas is used directly as fuel source for the cooling, heating, and power (CCHP) system, which can be produced through biomass pyrolysis process. Integrating combined CCHP systems with biomass pyrolysis results in a sustainable distributed energy system that effectively utilizes biomass resources and improves energy efficiency. To achieve a higher energy efficiency and more cost-effective operation, a simplified cost analysis method based on the Advanced System for Process Engineering (

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Maitlo, Ghulamullah, Rasool Bux Mahar, Zulfiqar Ali Bhatti, and Imran Nazir. "A Comprehensive Literature Review of Thermochemical Conversion of Biomass for Syngas Production and Associated Challenge." Mehran University Research Journal of Engineering and Technology 38, no. 2 (2019): 495–512. http://dx.doi.org/10.22581/muet1982.1902.24.

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The interest in the thermochemical conversion of biomass for producer gas production since last decade has increased because of the growing attention to the application of sustainable energy resources. Application of biomass resources is a valid alternative to fossil fuels as it is a renewable energy source. The valuable gaseous product obtained through thermochemical conversion of organic material is syngas, whereas the solid product obtained is char. This review deals with the state of the art of biomass gasification technologies and the quality of syngas gathered through the application of

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Ismail, Norasyikin, and Farid Nasir Ani. "Syngas Production from Microwave Gasification of Oil Palm Biochars." Applied Mechanics and Materials 695 (November 2014): 247–50. http://dx.doi.org/10.4028/www.scientific.net/amm.695.247.

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Gasification is a reaction process between solid or liquid carbonaceous materials with some gasifying agent to produce gaseous fuel. In this study, a microwave gasification test rig is designed to produce syngas from oil palm biochars. Carbon dioxide is used as the gasifying agent. Oil palm empty fruit bunch (EFB) and oil palm shell (OPS) biochars are used as the carbonaceous materials. The effects of CO2 flow rates on the type of biochars to the syngas produced are investigated. The optimum CO2 flow rate for EFB biochar gasification is 3 lpm where the gas compositions are 0.52% CH4, 50.52% CO

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Weiland, Fredrik, Sandra Lundström, and Yngve Ögren. "Oxygen-Blown Gasification of Pulp Mill Bark Residues for Synthetic Fuel Production." Processes 9, no. 1 (2021): 163. http://dx.doi.org/10.3390/pr9010163.

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Synthetic fuel production via gasification of residual biomass streams from the pulp and paper industry can be an opportunity for the mills to enable improved resource utilization and at the same time reduce the production of excess heat. This paper summarizes initial oxygen-blown gasification experiments with two bark residues from a European pulp and paper mill, i.e., a softwood bark and a hardwood bark. The gasification process was characterized by measuring syngas yields and process efficiency to find optimum operating conditions. In addition, impurities in the syngas and ash behavior were

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Chen, Hsien, Chiou Liang Lin, Wun Yue Zeng, and Zi Bin Xu. "The Effect of Biomass Contents with Heavy Metal on Gasification Efficiency during Fluidized Bed Gasification Process." Advanced Materials Research 512-515 (May 2012): 575–78. http://dx.doi.org/10.4028/www.scientific.net/amr.512-515.575.

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Catalysis was used to increase the H2 production, syngas heating value, enhanced carbon conversion efficiency and cold gas efficiency during gasification. Due to Cu and Zn were abundant in waste according to previous researches, this research discussed the effect of Cu and Zn on artificial waste gasification. The syngas composition and total lower heating value (LHV) were determined in this study. The results showed that the existence of Cu and Zn increased production of H2 and CO. However, the production of CH4 and CO2 decreased. At same time, total LHV was also increased. Additionally, the d

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Botha, Frikkie, Robert Dobson, and Thomas Harms. "Simulation of a syngas from a coal production plant coupled to a high temperature nuclear reactor." Journal of Energy in Southern Africa 24, no. 2 (2013): 37–45. http://dx.doi.org/10.17159/2413-3051/2013/v24i2a3128.

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In light of the rapid depletion of the world’s oil reserves, concerns about energy security prompted the exploration of alternative sources of liquid fuels for transportation. One such alternative is the production of synthetic fuel using an indirect coal liquefaction process or coal-to-liquids (CTL) process. In this process, coal is gasified in a gasifier in the presence of steam and oxygen to produce a synthesis gas or syngas consisting mainly of hydrogen and carbon monoxide. The syngas is then converted to liquid fuels and a variety of useful chemicals in a Fischer Tropsch-type synthesis re

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Qi, Tian, Tingzhou Lei, Quanguo Zhang, et al. "Production of H2-Rich Syngas from Oxygen-Steam Gasification of Biomass Using Modified Red Mud Extract as Catalyst." Journal of Biobased Materials and Bioenergy 15, no. 3 (2021): 278–86. http://dx.doi.org/10.1166/jbmb.2021.2054.

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Oxygen-steam gasification of biomass catalyzed by modified iron-rich red mud extract is firstly performed in our work. During the impregnation of the modified red mud extract (MRME), the pore structure characteristics and thermal behavior of the maize straw changed significantly. The influence of MRME on syngas quality, gas yield, and thermal efficiency were performed in a lab-scale gasification reactor. The results showed that higher temperature, sufficient MRME addition, appropriate equivalent ratio (ER) and a small amount of steam all promoted syngas quality and energy conversion. For maxim

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Li, Ran, Zhen Yang, and Yuanyuan Duan. "Modeling, prediction and multi-objective optimization of the coal gasification system." E3S Web of Conferences 242 (2021): 02001. http://dx.doi.org/10.1051/e3sconf/202124202001.

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As global energy demand continues to increase, coal as basic energy still accounts for a significant proportion. Under the pressure of environmental protection, clean and efficient coal utilization technologies are in great demand. Coal gasification technology has the potential to realize near-zero-emissions for coal utilization. This paper establishes the coal gasification system model and analyzes the effect of oxygen/coal ratio and water/coal ratio on the system performance index of cold syngas efficiency, effective component ratio, carbon conversion ratio, and production ratio of hydrogen.

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Dissertations / Theses on the topic "Syngas production efficiency"

Botha, Frederick Johannes. "Simulation of a syngas from coal production plant coupled to a high temperature nuclear reactor." Thesis, Stellenbosch : Stellenbosch University, 2012. http://hdl.handle.net/10019.1/71785.

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Thesis (MScEng)--Stellenbosch University, 2012.<br>ENGLISH ABSTRACT: In light of the rapid depletion of the world’s oil reserves, concerns about energy security prompted the exploration of alternative sources of liquid fuels for transportation. One such alternative is the production of synthetic fuels with the indirect coal liquefaction process or Coal-To-Liquids (CTL) process. In this process, coal is burned in a gasifier in the presence of steam and oxygen to produce a synthesis gas or syngas, consisting mainly of hydrogen and carbon monoxide. The syngas is then converted to liquid fue

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Smit, Joris. "Reverse flow catalytic membrane reactors for energy efficient syngas production." Enschede : University of Twente [Host], 2006. http://doc.utwente.nl/51111.

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Book chapters on the topic "Syngas production efficiency"

Kedir, Miftah F. "Pyrolysis Bio-oil and Bio-char Production from Firewood Tree Species for Energy and Carbon Storage in Rural Wooden Houses of Southern Ethiopia." In African Handbook of Climate Change Adaptation. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-45106-6_183.

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AbstractThe need for emission reduction for climate management had triggered the application of pyrolysis technology on firewood that yield bio-oil, bio-char, and syngas. The purpose of present study was to select the best bio-oil and bio-char producing plants from 17 firewood tree species and to quantify the amount of carbon storage. A dried and 1 mm sieved sample of 150 g biomass of each species was pyrolyzed in assembled setup of tubular furnace using standard laboratory techniques. The bio-oil and bio-char yields were 21.1–42.87% (w/w) and 23.23–36.40% (w/w), respectively. The bio-oil yield of Acacia seyal, Dodonea angustifolia, Euclea schimperi, Eucalyptus globulus, Casuarina equisetifolia, and Grevillea robusta were over 36% (w/w), which make the total yield of bio-oil and bio-char over 62% (w/w) of the biomass samples instead of the 12% conversion efficiency in traditional carbonization. The calorific value of firewood was 16.31–19.66 MJ kg–1 and bio-oil was 23.3–33.37 MJ kg–1. The use of bio-oil for household energy and bio-char for carbon storage reduced end use emission by 71.48–118.06%, which could increase adaptation to climate change in comparison to open stove firewood by using clean fuel and reducing indoor pollution.

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J. Ojolo, Sunday, and Musbau G. Sobamowo. "Combating Greenhouse Effects through Biomass Gasification: A Focus on Kinetic Modeling of Combustion and Gasification Zones." In Next-Generation Greenhouses for Food Security. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.97331.

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The prevalent challenges of global warming, food security, food production, crop production systems, environment control called for consideration and better utilization of green energy system such as biomass. The advanced thermo-chemical conversion of the renewable energy source which is aimed at production of optimal yield of energy has not been well understood. In order to have better physical insights into the detailed structure of the biomass burning process inside a solid bed, the kinetics of the biomass combustion and gasification must be properly analyzed. Consequently, improved kinetic models of the combustion and gasification zones in the thermochemical conversion system are very required. Therefore, the present study focuses on the development of improved kinetic modeling of the combustion and gasification zones in the biomass gasification system. The performance of the biomass gasifier system is evaluated through the equivalence ratio, the syngas composition, cold gas efficiency and lower heating value. Also, the effects of the equivalent ratio on gas compositions, the gasifier performance and the low heating value of the biomass are analyzed. From the analysis, it is established that the concentration of CO, H2 and CH4 in the gasifier decrease as the equivalence ratio increases. However, CO2 concentration increases with an increase in the equivalence ratio. The cold efficiency and LHV decreases as the equivalence ratio increases while the gas yield increases with an increase in the equivalence ratio. The quantity of gas produced increases as the amount of oxygen consumed increases. Also, the ratio of CO/CO2 decreases as the temperature of the reduction zone increases. Such analysis as presented in this work, is very useful as a time-saving and cost-effective tool for designing and optimizing the biomass gasifier. Therefore, it is evident that this work will play a significant role in the system design including analysis of the distribution of products and ash deposit in the downdraft gasifiers.

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Barbier, Guillaume, Véronique Cucchi, François Pinet, and David R. C. Hill. "CMF." In Advances in Systems Analysis, Software Engineering, and High Performance Computing. IGI Global, 2013. http://dx.doi.org/10.4018/978-1-4666-4217-1.ch006.

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This chapter shows how Model Driven Engineering (MDE) can contribute to the production of Crop models. The ITK firm works in agronomy; it designs digital models and Decision Support Systems for croppers. Common model development at ITK relies on a dual implementation. The first one in Matlab® is usually proposed by agronomists, but for industrial purposes, software engineers translate this model in Java. This leads to double implementation, maintenance, and heavy production costs. To deal with this efficiency problem, the authors use a MDE approach to produce a Crop Model Factory (CMF). For this factory they propose a DSML (Domain Specific Modeling Language) formalized by a metamodel. In this chapter, the authors present this DSML, the concrete syntax retained for the factory, and its implementation in a tool enabling automatic code generation. The resulting Crop Model Factory (CMF) prototype is the fruit of an interdisciplinary collaboration, and they also present feedback on this working experience.

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Conference papers on the topic "Syngas production efficiency"

Harvego, E. A., M. G. McKellar, and J. E. O’Brien. "System Analysis of Nuclear-Assisted Syngas Production From Coal." In Fourth International Topical Meeting on High Temperature Reactor Technology. ASMEDC, 2008. http://dx.doi.org/10.1115/htr2008-58085.

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A system analysis has been performed to assess the efficiency and carbon utilization of a nuclear-assisted coal gasification process. The nuclear reactor is a high-temperature helium-cooled reactor that is used primarily to provide power for hydrogen production via high-temperature electrolysis. The supplemental hydrogen is mixed with the outlet stream from an oxygen-blown coal gasifier to produce a hydrogen-rich gas mixture, allowing most of the carbon dioxide to be converted into carbon monoxide, with enough excess hydrogen to produce a syngas product stream with a hydrogen/carbon monoxide m

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McKellar, M. G., G. L. Hawkes, and J. E. O’Brien. "The Production of Syngas via High Temperature Electrolysis and Biomass Gasification." In ASME 2008 International Mechanical Engineering Congress and Exposition. ASMEDC, 2008. http://dx.doi.org/10.1115/imece2008-68900.

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A process model of syngas production using high temperature electrolysis and biomass gasification is presented. Process heat from the biomass gasifier is used to improve the hydrogen production efficiency of the steam electrolysis process. Hydrogen from electrolysis allows a high utilization of the biomass carbon for syngas production. Based on the gasifier temperature, 94% to 95% of the carbon in the biomass becomes carbon monoxide in the syngas (carbon dioxide and hydrogen). Assuming the thermal efficiency of the power cycle for electricity generation is 50%, (as expected from GEN IV nuclear

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Kra¨upl, Stefan, and Aldo Steinfeld. "Operational Performance of a 5 kW Solar Chemical Reactor for the Co-Production of Zinc and Syngas." In ASME Solar 2002: International Solar Energy Conference. ASMEDC, 2002. http://dx.doi.org/10.1115/sed2002-1060.

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We report on the improved operational performance and energy conversion efficiency of a 5 kW solar chemical reactor for the combined ZnO-reduction and CH4-reforming “SynMet” process. The reactor features a pulsed vortex flow of CH4 laden with ZnO particles, which is confined to a cavity-receiver and directly exposed to solar power fluxes exceeding 2000 kW/m2. Reactants were continuously fed at ambient temperature, heated by direct irradiation to above 1350 K, and converted to Zn(g) and syngas during mean residence times of 10 seconds. Typical chemical conversion attained was 100% to Zn and up

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Nicodemus, Julia Haltiwanger, Morgan McGuinness, and Rijan Maharjan. "A Thermodynamic and Cost Analysis of Solar Syngas From the Zinc/Zinc-Oxide Cycle." In ASME 2014 8th International Conference on Energy Sustainability collocated with the ASME 2014 12th International Conference on Fuel Cell Science, Engineering and Technology. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/es2014-6389.

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We present a thermodynamic and cost analysis of synthesis gas (syngas) production by the Zn/ZnO solar thermochemical fuel production cycle. A mass, energy and entropy balance over each step of the Zn/ZnO syngas production cycle is presented. The production of CO and H2 is considered simultaneously across the range of possible stoichiometric combinations and the effects of irreversibilities due to both recombination in the quenching process following dissociation of ZnO and incomplete conversion in the fuel production step are explored. In the cost analysis, continuous functions for each cost c

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Karl, Ju¨rgen, Nadine Frank, Sotiris Karellas, Mathilde Saule, and Ulrich Hohenwarter. "Conversion of Syngas From Biomass in Solid Oxide Fuel Cells." In ASME 2006 4th International Conference on Fuel Cell Science, Engineering and Technology. ASMEDC, 2006. http://dx.doi.org/10.1115/fuelcell2006-97089.

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Conversion of biomass in syngas by means of indirect gasification offers the option to improve the economic situation of any fuel cell systems due to lower costs for feedstock and higher power revenues in many European countries. The coupling of an indirect gasification of biomass and residues with highly efficient SOFC systems is therefore a promising technology for reaching economic feasibility of small decentralized combined heat and power production (CHP). The predicted efficiency of common high temperature fuel cell systems with integrated gasification of solid feedstock is usually signif

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Czernichowski, Albin, Mieczyslaw Czernichowski, and Krystyna Wesolowska. "GlidArc-Assisted Production of Synthesis Gas Through Propane Partial Oxidation." In ASME 2003 1st International Conference on Fuel Cell Science, Engineering and Technology. ASMEDC, 2003. http://dx.doi.org/10.1115/fuelcell2003-1716.

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Commercial propane can contain up to 300 ppm of Sulfur so that reforming technologies based on catalytic processes can not be directly applied without prior cleaning of such a feed in order to avoid the reformer’s catalyst poisoning (while some Solid Oxide Fuel Cells can accept Sulfur-polluted syngas). We run our reforming process in a presence of high-voltage discharges (called GlidArc) that assist the Partial Oxidation of pure or polluted propane. Electric consumption for this non-catalytic reformer is less than 2% of a Fuel Cell electric output. Recycling such a small portion of the electri

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Groisil, Melanie, Salisu Ibrahim, Ahmed S. AlShoaibi, and Ashwani K. Gupta. "Acid Gas Simulation for Recovering Syngas and Sulfur." In ASME 2015 Power Conference collocated with the ASME 2015 9th International Conference on Energy Sustainability, the ASME 2015 13th International Conference on Fuel Cell Science, Engineering and Technology, and the ASME 2015 Nuclear Forum. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/power2015-49014.

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Numerical examination of acid gas pyrolysis is presented with a focus to determine optimum condition for producing both sulfur and syngas that can be used in industry at high conversion efficiency of acid gas. Detailed simulation of acid gas to produce sulfur and syngas is presented that provides the feasibility of establishing plausible reactor conditions for such a recovery. This is a much different approach of producing thermal energy and sulfur. The results revealed that only pyrolysis of specific acid gas composition leads to the production of syngas and that temperature plays an importan

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Cau, Giorgio, Daniele Cocco, and Fabio Serra. "Energy and Cost Analysis of Small Size CHP Coal Gasification Plants Integrated With Syngas Storage Systems." In ASME Turbo Expo 2012: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/gt2012-68976.

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This study evaluates the load modulation capabilities of small and medium size CHP systems based on integrated coal gasification and syngas storage (ICGSS) power plants. ICGSS systems can perform a load-following service since a portion of the produced syngas is stored during periods of low energy demand and used to increase power output during periods of peaking demand. In particular, the main energy and economic performance of ICGSS power generation plants were evaluated with reference to three different prime movers (gas turbines, internal combustion engines and hybrid fuel cell systems) an

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Arnulfi, Gianmario L., and Marco Fabris. "A Stand-Alone Syngas-Fuelled Small-Size CHP GT." In ASME Turbo Expo 2017: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/gt2017-63656.

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Efforts are being made to achieve environmental sustainability by combining heat and power production and exploiting renewable resources, in order to save primary energy and reduce greenhouse gas emissions. This study concerns a stand-alone 1-megawatt plant composed of a wood pyrolyzer and a combined heat and power plant based on a gas turbine. Care is devoted to saving the solid-state product of the pyrolysis reaction (biochar), both to produce agricultural fertilizer and to sequester carbon dioxide, i.e., the emissions avoided by not burning biochar. The plant is simulated by three in-house

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Leyko, Aaron B., and Ashwani K. Gupta. "Temperature and Pressure Effects on Hydrogen Separation From Syngas." In ASME 2013 Power Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/power2013-98117.

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Multi-component synthetic gas (syngas) mixtures produced from the gasification of coal, low grade fuel, wastes and biomass offers a novel source of hydrogen production. Gasification also eliminates much of the pollutant emissions from the combustion these fuels. Palladium based membranes present a promising method for extracting hydrogen from syngas. Experimental results are presented from a lab scale experimental facility. This facility was designed and built to examine various types of palladium and palladium alloy membranes used to harvest hydrogen from the syngas. The thin membranes (on th

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