WEBJan 6, 2021 · The present research work proposes an optimization procedure using Taguchi method and utility concept with the main objective of maximizing the calorific value of syngas with lower CO2 yield during coal gasifiion process using thermodynamic equilibrium model based on stoichiometric approach. After validating the model with .
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WEBMay 7, 2015 · IGCC, abbreviation of Integrated Gasifiion Combined Cycle, is one of the primary designs for the powergeneration market from coalgasifiion. This work presents a in the proposed process ...
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WEBDec 1, 2019 · The validated model is further utilized to study the effects of process parameters such as temperature, pressure, Air/Coal (A/C) ratio and Steam/Coal (S/C) ratio on the gasifiion performance.
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WEBNov 19, 2012 · A framework is proposed for integration of unit modeling, process synthesis, analysis, optimization, and process design of coal gasifiionbased energy and chemical processes.
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WEBOct 30, 2023 · In this paper, the optimal process conditions for coal–biomass copyrolysis were obtained through pyrolysis experiments. The results show that under the condition of the pyrolysis temperature of 500 °C, the pyrolysis oil yield and positive synergistic effect reach the maximum, and the ratio of coal to biomass raw materials is 1:3. The effects of .
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WEBJan 1, 2020 · This paper presents a study conducted on robust modeling, analysis and optimization of an entrained flow petcokecoal cogasifiion process based on the general experiment carried out by Vejahati et al. [12]. In their work, all experiment factors were assumed to be equally well controllable, and the deterministic RSM models were .
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WEBJun 10, 2020 · Methanol is an important feedstock of chemical engineering and energy source, and it is mainly produced by coal route in China. The coaltomethanol suffers from serious CO 2 emissions and carbon resource waste since water gas shift is involved in this process to increase hydrogen content of syngas for meeting methanol synthesis. A .
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WEBDec 1, 2023 · Gasifiion is considered the most promising thermoschemical method, which can easily transform any kind of solid fuel into a gaseous mixture usually called syngas [9].The syngas later can be converted into synthetic fuel through the FischerTropsch process and also into chemicals like methanol [10, 11].For instance, our .
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WEBApr 5, 2024 · Siriwardane et al. conducted a study on the coal chemical looping gasifiion of CaFe 2 O 4 and BaFe 2 O 4, ... In the process of optimization, the convergence thresholds of selfconsistent ... and the resulting gas is released as product. In this section, the actual gasifiion process is simplified to five main processes: drying, .
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WEBJun 1, 2024 · Coal gasifiion slag (CGS) is a kind of solid waste generated in the coal gasifiion process, including coal gasifiion coarse slag (CGCS) and coal gasifiion fine slag (CGFS) [5]. The carbon content of CGCS is low, generally within 5 %. The carbon content of CGFS is high, generally about 20 %, and even more than 55 % in .
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WEBNov 1, 2015 · The appliion of DFOA on gasifiion process operation optimization. Coal gasifiion technology is being developed worldwide for a more efficient and clean use of coal with substantially reduced carbon dioxide and pollutant gas emissions [25]. Entrainment flow coal gasifiion is regarded as a practical coalutilizing technology .
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WEBAfter successful completion of the demonstration phase on Illinois No. 5 coal, SCGP1, the Coal Gasifiion plant at Dee Park Texas, entered the coal feedstock phase, with the primary focus on gasifying a wide variety of coals, and a parallel experimental phase for process optimization and confirmation of several process improvements.
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WEBFeb 1, 2022 · Introduction. Coal gasifiion is a process in which coal reacts with gasifiion agents (, steam, O 2 /air, and CO 2) at a certain temperature and pressure to produce clean synthesis gas, which can be used as gaseous fuel or as a raw material for chemical synthesis to produce various chemical products and liquid .
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WEBMar 20, 2021 · The optimization process yields kinetic parameters (the activation energy and preexponential factor) for C2SM, based on the results from the complex functionalgroup, depolymerization, vaporization, and crosslinking (FGDVC) model. ... Mularski, Jakub, and Norbert Modliński. 2021. "EntrainedFlow Coal Gasifiion Process .
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WEBFeb 15, 2023 · Herein, the process scaleup route of multiscale coal and biomass chemical looping cogasifiion (CLCG) is established using a thermogravimetric analyzer, a batch bubbling fluidized bed, and an MW th scale industrial demonstration unit. The positive synergistic effect is most notable at a bituminous coal blending ratio of 70%.
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WEBWabash River Coal Gasifiion Repowering Project – operating commercially since 1995, reaching % plant availability, and 76% gasifier availability. Great Plains Synfuels Plant – operating since 1984, % days with production (, notzero production), although this is not traditionally how availability is measured.
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WEBJan 2, 2024 · This process decouples the two steps, among them, coal pyrolysis converts the hydrogen in coal to H 2 to the maximum extent without being consumed, and char gasifiion causes the coke react with the water vapor in the gasifiion agent (C + H 2 O ↔ H 2 + CO) to generate H 2 and CO. Through cooperative matching of the two .
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WEBMar 25, 2020 · Biomass gasifiion has been the focus of research to estimate efficiency and performance of the gasifiion process using various types of biomass: sugarcane residue, rice hulls, pine sawdust, almond shells, almond, food waste, and woody biomass. Black liquor gasifiion has the potential to achieve higher overall energy efficiency .
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WEBJul 1, 2021 · Optimization of process parameters involves the selection of the optimal operating parameters that can maximize the desired product's yield and gasifiion efficiency during an SCW gasifiion process while minimizing the overall expenditure. In most cases, H 2 is the desired product from
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WEBMar 5, 2010 · The IGCC process model is developed for a Texaco gasifier with radiant/convective cooling system. The simplified process flow diagram is shown in Fig. coal (Illinois #6, Table 1), is crushed and mixed with water to produce a slurry (%, w/w) and is pumped into the gasifier with gasifier operates in a .
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WEBJan 1, 2021 · A model of entrainedflow coal gasifier (1920 t/d and single nozzle) was established to simulate the gasifiion process of pulverized coal from Ningxia of China on the basis of the ANSYS/FLUENT.
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