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Journal articles on the topic 'Syngas production efficiency'

Author: Grafiati

Published: 4 June 2021

Last updated: 13 February 2022

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1

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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2

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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8

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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9

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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Li, Ying, Man Yu, Kai Cai, et al. "Template-induced Al distribution in MOR and enhanced activity in dimethyl ether carbonylation." Physical Chemistry Chemical Physics 22, no. 20 (2020): 11374–81. http://dx.doi.org/10.1039/d0cp00850h.

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12

Li, He, and Li. "Experimental Study and Thermodynamic Analysis of Hydrogen Production through a Two-Step Chemical Regenerative Coal Gasification." Applied Sciences 9, no. 15 (2019): 3035. http://dx.doi.org/10.3390/app9153035.

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Hydrogen, as a strategy clean fuel, is receiving more and more attention recently in China, in addition to the policy emphasis on H2. In this work, we conceive of a hydrogen production process based on a chemical regenerative coal gasification. Instead of using a lumped coal gasification as is traditional in the H2 production process, herein we used a two-step gasification process that included coking and char-steam gasification. The sensible heat of syngas accounted for 15–20% of the total energy of coal and was recovered and converted into chemical energy of syngas through thermochemical rea

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Yu, Ge Wen, Yan Ming Wang, and Yuan Yuan Xu. "Modeling Analysis of Shell, Texaco Gasification Technology’s Effects on Water Gas Shift for Fischer-Tropsch Process." Advanced Materials Research 608-609 (December 2012): 1446–53. http://dx.doi.org/10.4028/www.scientific.net/amr.608-609.1446.

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This work analyzes different gasification processes affect on WGS process with Excel-Aspen Plus based models.in large scale production. Results show that Shell gasifier can obtain higher (CO + H2)/syngas ratio and higher thermal efficiency but lower H2/CO ratio than Texaco gasifier. However, both of H2/CO ratios are below 1.0 and WGS reaction has to carry out to prepare for the Fischer-Tropsch synthesis. The simulation shows Shell syngas does not offer adequate H2O molecules for WGS shift reaction and it can be supplied by the 5.2MPa steam generated from the boiler of the Shell gasification pr

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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." Journal of Solar Energy Engineering 125, no. 1 (2003): 124–26. http://dx.doi.org/10.1115/1.1530196.

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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 2000kW/m2. Reactants were continuously fed at ambient temperature, heated by direct irradiation to above 1350°K, and converted to Zn and syngas during mean residence times of 10 seconds. Typical chemical conversion attained was 100% for ZnO and up to 9

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Tamošiūnas, Gimžauskaitė, Aikas, Uscila, Praspaliauskas, and Eimontas. "Gasification of Waste Cooking Oil to Syngas by Thermal Arc Plasma." Energies 12, no. 13 (2019): 2612. http://dx.doi.org/10.3390/en12132612.

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The depletion and usage of fossil fuels causes environmental issues and alternative fuels and technologies are urgently required. Therefore, thermal arc water vapor plasma for a fast and robust waste/biomass treatment is an alternative to the syngas method. Waste cooking oil (WCO) can be used as an alternative potential feedstock for syngas production. The goal of this experimental study was to conduct experiments gasifying waste cooking oil to syngas. The WCO was characterized in order to examine its properties and composition in the conversion process. The WCO gasification system was quantif

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Larose, Sylvain, Raynald Labrecque, and Patrice Mangin. "Electrifying with High-Temperature Water Electrolysis to Produce Syngas from Wood via Oxy-Gasification, Leading to Superior Carbon Conversion Yield for Methanol Synthesis." Applied Sciences 11, no. 6 (2021): 2672. http://dx.doi.org/10.3390/app11062672.

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Due to concerns regarding fossil greenhouse gas emissions, biogenic material such as forest residues is viewed nowadays as a valuable source of carbon atoms to produce syngas that can be used to synthesise biofuels such as methanol. A great challenge in using gasified biomass for methanol production is the large excess of carbon in the syngas, as compared to the H2 content. The water–gas shift (WGS) reaction is often used to add H2 and balance the syngas. CO2 is also produced by this reaction. Some of the CO2 has to be removed from the gaseous mixture, thus decreasing the process carbon yield

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Moni, M. N. Z., S. A. Sulaiman, and A. T. Baheta. "Downdraft Co-gasification of Oil Palm Frond with Other Oil Palm Residues: Effects of Blending Ratio." MATEC Web of Conferences 225 (2018): 06018. http://dx.doi.org/10.1051/matecconf/201822506018.

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As the largest amount of biomass residues produced from the palm oil industry, the oil palm frond (OPF) is a promising solid fuel resource for gasification. However, the difficulty in processing OPF into solid fuel may affect the solid fuel production rate and consequently the gasifier operation. To ensure a continuous gasifier operation unaffected by the shortage of OPF fuel, empty fruit bunch (EFB), palm mesocarp fiber (PMF) and palm kernel shell (PKS) were introduced as a pairing fuel with OPF for co-gasification. The potentials of the fuel mixes and the effects of the fuel blending ratio o

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Zhu, Xiaobo, Joshua Jack, Yanhong Bian, Xi Chen, Nicolas Tsesmetzis, and Zhiyong Jason Ren. "Electrocatalytic Membranes for Tunable Syngas Production and High-Efficiency Delivery to Biocompatible Electrolytes." ACS Sustainable Chemistry & Engineering 9, no. 17 (2021): 6012–22. http://dx.doi.org/10.1021/acssuschemeng.1c01150.

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Tang, Zhi Guo, P. Y. Ma, J. P. Cheng, Y. L. Li, and Q. Z. Lin. "A Novel Biomass Gasifier for Producing Tar-Free and Hydrogen-Rich Syngas." Advanced Materials Research 105-106 (April 2010): 709–12. http://dx.doi.org/10.4028/www.scientific.net/amr.105-106.709.

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Hydrogen from biomass gasification is reviewed as one of the promising clean energies approaches in the future for fuel cell. However, the syngas from biomass gasification usually contains a certain amount of tar, which could not only decrease the efficiency of gasification process and hydrogen production, but also condense as a dense mixture and impose a series of serious problems. So “Excess Enthalpy Gasification (EEG)” is put forward and applied into biomass gasification and a novel biomass gasifier is presented for the purpose of tar-free and hydrogen-rich syngas in this work. The structur

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20

Zhang, Feng Xia, Jian Hang Hu, Bin Yang, and Yu Nan Yu. "Syngas Production from Biomass Gasification Using Copper Slag Catalysts." Advanced Materials Research 724-725 (August 2013): 313–18. http://dx.doi.org/10.4028/www.scientific.net/amr.724-725.313.

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Catalytic gasification of sawdust biomass was carried out using a specially designed flow-type double beds micro reactor in a two step process: temperature programmed non-catalytic air gasification of biomass was performed in the first bed at 800°C followed by catalytic decomposition gasification of volatile matters (including tars) in the second bed at five different temperatures. The general observation is that the conversion of sawdust biomass increases as the temperature was raised from 750 to 950°C over non-catalyst, raw copper slag or calcined copper slag. High temperature enhances secon

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Plugge, Caroline M., João A. B. Sousa, Stephan Christel, et al. "Syngas as Electron Donor for Sulfate and Thiosulfate Reducing Haloalkaliphilic Microorganisms in a Gas-Lift Bioreactor." Microorganisms 8, no. 9 (2020): 1451. http://dx.doi.org/10.3390/microorganisms8091451.

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Biodesulfurization processes remove toxic and corrosive hydrogen sulfide from gas streams (e.g., natural gas, biogas, or syngas). To improve the efficiency of these processes under haloalkaline conditions, a sulfate and thiosulfate reduction step can be included. The use of H2/CO mixtures (as in syngas) instead of pure H2 was tested to investigate the potential cost reduction of the electron donor required. Syngas is produced in the gas-reforming process and consists mainly of H2, carbon monoxide (CO), and carbon dioxide (CO2). Purification of syngas to obtain pure H2 implies higher costs beca

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Ardila-Barragán, Marco Antonio, Carlos Francisco Valdés-Rentería, Brennan Pecha, et al. "Gasification of coal, Chenopodium Album biomass, and co-gasification of a coal-biomass mixture by thermogravimetric-gas analysis." Revista Facultad de Ingeniería 28, no. 53 (2019): 53–77. http://dx.doi.org/10.19053/01211129.v28.n53.2019.10147.

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Gasification studies were performed on sub-bituminous coal of the province Centro in Boyacá state of Colombia, vegetable biomass Chenopodium album (cenizo) and co-gasification of coal-biomass mixtures agglomerated with paraffin in a thermogravimetric analyzer. Biomass synergistically promoted thermochemical transformation of the coal was observed. Experimental results were compared to equilibrium composition simulations. Ash fusibility tests of the coal-biomass mixture were carried out, which allowed to clarify its behavior, such as dry or fluid ash according to own chemical composition, durin

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Caligiuri, Carlo, Urban Žvar Baškovič, Massimiliano Renzi, et al. "Complementing Syngas with Natural Gas in Spark Ignition Engines for Power Production: Effects on Emissions and Combustion." Energies 14, no. 12 (2021): 3688. http://dx.doi.org/10.3390/en14123688.

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Power generation units based on the bio-syngas system face two main challenges due to (i) the possible temporary shortage of primary sources and (ii) the engine power derating associated with the use of low-energy density fuels in combustion engines. In both cases, an external input fuel is provided. Hence, complementing syngas with traditional fuels, like natural gas, becomes a necessity. In this work, an experimental methodology is proposed, aiming at the quantification of the impact of the use of both natural gas and syngas in spark ignition (SI) engines on performance and emissions. The ma

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Kumar, Shashi, Neelam Tondwal, Surendra Kumar, and Sandeep Kumar. "Thermodynamic Modeling of Propane Reforming Processes to Quantify Hydrogen and Syngas Production with and without Product Removal." Chemical Product and Process Modeling 11, no. 2 (2016): 125–40. http://dx.doi.org/10.1515/cppm-2015-0025.

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Abstract The present study aims to explore the possibility of promoting hydrogen and syngas production capacity and quality by steam (SRP) and oxidative steam (OSRP) reforming of propane with and without H2 and CO2 removal. Conditions studied are temperature range of 600–1,100 K under atmospheric pressure with steam to propane feed ratio (WPR) of 1–18, oxygen to propane feed ratio (OPR) and fractional removal of H2 and CO2 (f) ranging from 0–0.99. The results indicate that SRP with 99% H2 removal produces high H2 yield of 9.93 moles close to theoretical value of 10 moles at relatively low temp

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de Medeiros, Elisa M., Henk Noorman, Rubens Maciel Filho, and John A. Posada. "Production of ethanol fuel via syngas fermentation: Optimization of economic performance and energy efficiency." Chemical Engineering Science: X 5 (January 2020): 100056. http://dx.doi.org/10.1016/j.cesx.2020.100056.

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Zhang, Wenqiang, Bo Yu, Xue Wang, and Jing Chen. "Thermodynamic analysis of the efficiency of high temperature co-electrolysis system for syngas production." International Journal of Hydrogen Energy 41, no. 36 (2016): 15960–69. http://dx.doi.org/10.1016/j.ijhydene.2016.04.223.

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PYSZCZEK, Rafał, Paweł MAZURO, Agnieszka JACH, and Andrzej TEODORCZYK. "Numerical investigation on low calorific syngas combustion in the opposed-piston engine." Combustion Engines 169, no. 2 (2017): 53–63. http://dx.doi.org/10.19206/ce-2017-210.

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The aim of this study was to investigate a possibility of using gaseous fuels of a low calorific value as a fuel for internal combustion engines. Such fuels can come from organic matter decomposition (biogas), oil production (flare gas) or gasification of materials containing carbon (syngas). The utilization of syngas in the barrel type Opposed-Piston (OP) engine arrangement is of particular interest for the authors. A robust design, high mechanical efficiency and relatively easy incorporation of Variable Compression Ratio (VCR) makes the OP engine an ideal candidate for running on a low calor

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Md Said, Wan Abdul Karim Ghani, Hong Boon, Hussain, and Ng. "Thermochemical Conversion of Napier Grass for Production of Renewable Syngas." Processes 7, no. 10 (2019): 705. http://dx.doi.org/10.3390/pr7100705.

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Fuel resource diversification is a global effort to deviate from non-renewable fossil fuels. Biomass has been identified as an alternative solid biofuel source due to its desirable properties and carbon neutrality. As reported in the literature, biomass can positively contribute towards combating climate change while providing alleviation for energy security issue. As part of efforts to diversify biomass resources, this work intends to explore the potential of Napier grass, one type of energy crop, for the production of renewable syngas via gasification. This energy crop is originally from Afr

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Hartati, Angela, Diah Indriani Widiputri, and Arbi Dimyati. "Municipal Solid Waste Treatment Using Plasma Gasification with the Potential Production of Synthesis Gas (Syngas)." ICONIET PROCEEDING 2, no. 1 (2019): 8–12. http://dx.doi.org/10.33555/iconiet.v2i1.4.

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This research was conducted for the purpose to overcome Indonesia waste problem. The samples are classified into garden waste, paper waste, wood, food waste, and MSW with objective to identify which type of waste give out more syngas since there is waste separation in Indonesia. All samples were treated by plasma gasification without pre-treatment (drying). Arc plasma torch used in this experiment was made by National Nuclear Energy Agency (BATAN) and used Argon as the gas source. Then the torch was connected to self-designed gasification chamber and gas washing system before injected into a g

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Gabbrielli, Roberto, Stefano Frigo, and Luigi Bressan. "Oxy-steam co-gasification of sewage sludge and woody biomass for bio-methane production: an experimental and numerical approach." E3S Web of Conferences 238 (2021): 01006. http://dx.doi.org/10.1051/e3sconf/202123801006.

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Sewage sludge management is a current problem of extreme concern in Europe. Till now, the most frequent route for sludge management has been incineration or the reuse by shedding on agricultural land both directly or after composting. However, this last method is critically reconsidered lately owing to the increasing contamination of sewage sludge by chemicals, heavy metals, residual organic oils, etc.. In the present study, the performance of a steam-oxy gasification plant has been analyzed. The plant allows the thermo-chemical conversion of sewage sludge, together with woody biomass, into a

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Costa, Paula, Filomena Pinto, Rui Neto André, and Paula Marques. "Integration of Gasification and Solid Oxide Fuel Cells (SOFCs) for Combined Heat and Power (CHP)." Processes 9, no. 2 (2021): 254. http://dx.doi.org/10.3390/pr9020254.

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This paper reviews the most recent information about the main operations to produce energy from carbonaceous materials, namely biomass and wastes through the integration of gasification, syngas cleaning and solid oxide fuel cells (SOFCs), which have shown to be a good option for combined heat and power (CHP) production, due to high efficiency and low environmental impact. However, some challenges still need to be overcome, mainly when mixed feedstocks with high contents of hazardous contaminants are used, thus syngas cleaning and conditioning is of major importance. Another drawback is SOFC op

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Dolna, Oktawia, Jarosław Mikielewicz, and Paulina Rolka. "Analytical studies on deposition and entrainment present in the Venturi nozzle two-phase flow." International Journal of Energy and Environmental Engineering 12, no. 3 (2021): 487–502. http://dx.doi.org/10.1007/s40095-021-00385-1.

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AbstractThe syngas purification is a basic problem in the gas production process through the biomass gasification. This issue is important due to the use of the Venturi scrubbers in the syngas cleaning process. As it is commonly known, syngas is an alternative for the coal and using syngas instead of the coal leads to ‘clean energy’ generation. The paper concerns the analytical research studies on two-phase fluid flow pattern in Venturi’s throat. The uniform coverage of Venturi’s cross-section with small droplets plays a significant role in the dust particles collection and chemicals removal a

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Lee, Sang Yeop, Md Tanvir Alam, Gun Ho Han, Dong Hyuk Choi, and Se Won Park. "Gasification Applicability of Korean Municipal Waste Derived Solid Fuel: A Comparative Study." Processes 8, no. 11 (2020): 1375. http://dx.doi.org/10.3390/pr8111375.

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Gaining energy independence by utilizing new and renewable energy resources has become imperative for Korea. Energy recovery from Korean municipal solid waste (MSW) could be a promising option to resolve the issue, as Korean MSW is highly recyclable due to its systematic separation, collection and volume-based waste disposal system. In this study, gasification experiments were conducted on Korean municipal waste-derived solid fuel (SRF) using a fixed bed reactor by varying the equivalence ratio (ER) to assess the viability of syngas production. Experiments were also conducted on coal and bioma

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Zhang, Hao, Xiaodong Li, Fengsen Zhu, Kefa Cen, Changming Du, and Xin Tu. "Plasma assisted dry reforming of methanol for clean syngas production and high-efficiency CO2 conversion." Chemical Engineering Journal 310 (February 2017): 114–19. http://dx.doi.org/10.1016/j.cej.2016.10.104.

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Siciliano, Alessio, Carlo Limonti, Sanjeet Mehariya, Antonio Molino, and Vincenza Calabrò. "Biofuel Production and Phosphorus Recovery through an Integrated Treatment of Agro-Industrial Waste." Sustainability 11, no. 1 (2018): 52. http://dx.doi.org/10.3390/su11010052.

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The present study aimed to develop an integrated treatment of agro-industrial waste for biofuel (biogas and syngas) production and for phosphorus recovery. In the first step, an anaerobic digestion (AD) process was carried out on two different mixtures of raw agro-industrial residues. Specifically, a mixture of asparagus and tomato wastes (mixture-1) and a mixture of potatoes and kiwifruit residues (mixture-2) were investigated. The results proved that the properties of mixtures notably affect the evolution of the digestion process. Indeed, despite the lower organic load, the maximum biogas yi

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Macario, A., P. Frontera, S. Candamano, F. Crea, P. De Luca, and P. L. Antonucci. "Nanostructured Catalysts for Dry-Reforming of Methane." Journal of Nanoscience and Nanotechnology 19, no. 6 (2019): 3135–47. http://dx.doi.org/10.1166/jnn.2019.16651.

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The manuscript deals on the main progress achieved by global scientific research on the development of nanostructured catalysts for dry-reforming reaction. The importance to have a global vision on this topic is strictly related to the most currently and important challenges in the sustainable energy production. In fact, dry-reforming is one of the few known processes in which greenhouse gases are utilized as reactants (methane and carbon dioxide) to produce syngas. Syngas represents the basis for liquid fuel production by Fischer-Tropsch process. In this broad and current context, the catalys

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Maitlo, Ghulamullah, Imran Nazir Unar, Rasool Bux Mahar, and Khan Mohammad Brohi. "Numerical simulation of lignocellulosic biomass gasification in concentric tube entrained flow gasifier through computational fluid dynamics." Energy Exploration & Exploitation 37, no. 3 (2019): 1073–97. http://dx.doi.org/10.1177/0144598719839760.

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Thermochemical conversion of biomass is an encouraging way for the production of syngas. In the present research, four different biomass materials were used for gasification which includes rice husk, cotton stalks, sugarcane bagasse, and sawdust. These biomass sources were selected because they are common Pakistani feedstocks. Gasification of selected biomasses was performed using concentric tube entrained flow gasifier. Three-dimensional computational fluid dynamics model was used to investigate the impacts of kinetic rate and diffusion rate on the gasification performance. The Euler–Lagrange

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Iaquaniello, G., A. Salladini, E. Palo, and G. Centi. "Catalytic Partial Oxidation Coupled with Membrane Purification to Improve Resource and Energy Efficiency in Syngas Production." ChemSusChem 8, no. 4 (2015): 717–25. http://dx.doi.org/10.1002/cssc.201402732.

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Bai, Xianhua, Dachao Yuan, Yaguang Li, et al. "Ambient sunlight-driven photothermal methanol dehydrogenation for syngas production with 32.9 % solar-to-hydrogen conversion efficiency." iScience 24, no. 2 (2021): 102056. http://dx.doi.org/10.1016/j.isci.2021.102056.

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Santos, Cláudia C., Janaine dos A. Oliveira, Igor de A. Barbieri, and Filipe A. F. Monhol. "Simulation of Sugarcane Residues Co-Gasification (Vinasse-Straw-Bagasse) for Different Equivalence Ratios and Gasifying Agents." Journal of Biobased Materials and Bioenergy 15, no. 1 (2021): 50–60. http://dx.doi.org/10.1166/jbmb.2021.2020.

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This study evaluates the co-gasification of the main residues of the sugarcane industry (vinasse, bagasse and straw), in order to recover their energy and give an appropriate destination, making them suitable for use as fuel gas (syngas). To verify the feasibility of energy conversion through gasification, thermodynamic equilibrium model for gasification process was carried out and verified by literature available data. The gasification parameters for different gasification agents and equivalence ratio values were then obtained, such as: syngas composition and energy content, operating tempera

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Ferreira, Ricardo, Tsvetelina Petrova, Ana F. Ferreira, et al. "Size-Segregated Particulate Matter from Gasification of Bulgarian Agro-Forest Biomass Residue." Energies 14, no. 2 (2021): 385. http://dx.doi.org/10.3390/en14020385.

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The main purpose of the present work was to evaluate the efficiency of the gasification process of three different types of agro-forest biomass residue (rapeseed, softwood, and sunflower husks) along with the characterization of size-segregated particulates’ emissions. The experiments were carried out in a drop tube furnace (DTF), using two different gasifying agents (O2/N2 and O2/N2/CO2) at atmospheric pressure and a constant temperature of 1000 °C. In focus was the effect of biomass and the gasifying agent on syngas composition (CO, H2, CH4, and CO2), cold gas and carbon conversion efficienc

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Hu, Mian, Baihui Cui, Bo Xiao, Shiyi Luo, and Dabin Guo. "Insight into the Ex Situ Catalytic Pyrolysis of Biomass over Char Supported Metals Catalyst: Syngas Production and Tar Decomposition." Nanomaterials 10, no. 7 (2020): 1397. http://dx.doi.org/10.3390/nano10071397.

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Ex situ catalytic pyrolysis of biomass using char-supported nanoparticles metals (Fe and Ni) catalyst for syngas production and tar decomposition was investigated. The characterizations of fresh Fe-Ni/char catalysts were determined by TGA, SEM–EDS, Brunauer–Emmett–Teller (BET), and XPS. The results indicated that nanoparticles metal substances (Fe and Ni) successfully impregnated into the char support and increased the thermal stability of Fe-Ni/char. Fe-Ni/char catalyst exhibited relatively superior catalytic performance, where the syngas yield and the molar ratio of H2/CO were 0.91 Nm3/kg bi

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Hamrang, Farzad, S. M. Seyed Mahmoudi, and Marc A. Rosen. "A Novel Electricity and Freshwater Production System: Performance Analysis from Reliability and Exergoeconomic Viewpoints with Multi-Objective Optimization." Sustainability 13, no. 11 (2021): 6448. http://dx.doi.org/10.3390/su13116448.

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Based on the benefits of integrated gasification combined cycles (IGCCs), a cogeneration plant for providing electricity and freshwater is proposed. The main novelties of the devised system are the integration of biomass gasification and a regenerative gas turbine with intercooling and a syngas combustor, where the syngas produced in the gasifier is burned in the combustion chamber and fed to a gas turbine directly. The energy discharged from the gas turbine is utilized for further electricity and freshwater generation via Kalina and MED hybridization. The proposed system is analyzed from ener

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Calì, Gabriele, Paolo Deiana, Claudia Bassano, et al. "Syngas Production, Clean-Up and Wastewater Management in a Demo-Scale Fixed-Bed Updraft Biomass Gasification Unit." Energies 13, no. 10 (2020): 2594. http://dx.doi.org/10.3390/en13102594.

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This paper presents the experimental development at demonstration scale of an integrated gasification system fed with wood chips. The unit is based on a fixed-bed, updraft and air-blown gasifier—with a nominal capacity of 5 MWth—equipped with a wet scrubber for syngas clean-up and an integrated chemical and physical wastewater management system. Gasification performance, syngas composition and temperature profile are presented for the optimal operating conditions and with reference to two kinds of biomass used as primary fuels, i.e., stone pine and eucalyptus from local forests (combined heat

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Hanaoka, Toshiaki, Shinji Fujimoto, and Masaru Yoshida. "Efficiency Estimation and Improvement of the 1,3-Butadiene Production Process from Lignin via Syngas through Process Simulation." Energy & Fuels 31, no. 11 (2017): 12965–76. http://dx.doi.org/10.1021/acs.energyfuels.7b02237.

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Peng, Nana, Chao Gai, and Chao Peng. "Enhancing hydrogen-rich syngas production and energy recovery efficiency by integrating hydrothermal carbonization pretreatment with steam gasification." Energy 210 (November 2020): 118655. http://dx.doi.org/10.1016/j.energy.2020.118655.

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Pérez-Bayer, Juan Fernando, Rolando Barrera-Zapata, and Carlos Alberto Salazar-Jiménez. "Effect of Colombian coal rank and its feeding technology on substitute natural gas production by entrained gasification." REVISTA FACULTAD DE INGENIERÍA 25, no. 41 (2016): 41. http://dx.doi.org/10.19053/01211129.4136.

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<p>The effect of coal rank (from sub-bituminous to semi-anthracite) and type of fuel feeding technology (slurry and dry) on the production of substitute natural gas (SNG) in entrained flow gasifiers is studied. Ten coals from important Colombian mines were selected. The process is modeled under thermochemical equilibrium using Aspen Plus, and its performance is evaluated in function of output parameters that include SNG heating value, Wobbe index, coal conversion efficiency, cold gas efficiency, process efficiency, global efficiency, and SNG production rate, among others. In descending o

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Gabbrielli, R., and R. Singh. "Thermodynamic Performance Analysis of New Gas Turbine Combined Cycles With No Emissions of Carbon Dioxide." Journal of Engineering for Gas Turbines and Power 125, no. 4 (2003): 940–46. http://dx.doi.org/10.1115/1.1610017.

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In the context of the reduction of the carbon dioxide CO2 emissions as prescribed by the Kyoto protocol, this paper describes a thermodynamic performance analysis of new gas turbine combined cycles with no emissions of CO2 and nitrogen oxides. Three new similar cycles belonging to the same typology are proposed. These cycles use water/steam as working fluid, which is compressed in liquid and vapor phase, and the internal combustion process, which takes place between syngas and pure oxygen. The top Brayton cycle and the bottom Rankine cycle are integrated together. The syngas is produced by ste

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Abam, Fidelis I., Ogheneruona E. Diemuodeke, Ekwe B. Ekwe, et al. "Exergoeconomic and Environmental Modeling of Integrated Polygeneration Power Plant with Biomass-Based Syngas Supplemental Firing." Energies 13, no. 22 (2020): 6018. http://dx.doi.org/10.3390/en13226018.

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There is a burden of adequate energy supply for meeting demand and reducing emission to avoid the average global temperature of above 2 °C of the pre-industrial era. Therefore, this study presents the exergoeconomic and environmental analysis of a proposed integrated multi-generation plant (IMP), with supplemental biomass-based syngas firing. An in-service gas turbine plant, fired by natural gas, was retrofitted with a gas turbine (GT), steam turbine (ST), organic Rankine cycle (ORC) for cooling and power production, a modified Kalina cycle (KC) for power production and cooling, and a vapour a

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Loipersböck, Jürgen, Markus Luisser, Stefan Müller, Hermann Hofbauer, and Reinhard Rauch. "Experimental Demonstration and Validation of Hydrogen Production Based on Gasification of Lignocellulosic Feedstock." ChemEngineering 2, no. 4 (2018): 61. http://dx.doi.org/10.3390/chemengineering2040061.

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The worldwide production of hydrogen in 2010 was estimated to be approximately 50 Mt/a, mostly based on fossil fuels. By using lignocellulosic feedstock, an environmentally friendly hydrogen production route can be established. A flow sheet simulation for a biomass based hydrogen production plant was published in a previous work. The plant layout consisted of a dual fluidized bed gasifier including a gas cooler and a dust filter. Subsequently, a water gas shift plant was installed to enhance the hydrogen yield and a biodiesel scrubber was used to remove tars and water from the syngas. CO2 was

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