Pilot scale entrained flow gasification of Turkish lignites

Unlu, Alper; Kayahan, Ufuk; Argönül, Aykut; Ziypak, Mustafa; Akça, A.

doi:10.1016/j.joei.2015.09.001

Cited by 14 publications

(4 citation statements)

References 20 publications

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“…The effect of the biomass blending ratio reported in the next section has been tested under atmospheric pressure, similar to the pilot-scale study reported in Ref. [47] for entrained flow gasification of lignites.…”

Section: Effect Of Pressure On the Gasification Performance Of Pure Coalmentioning

confidence: 91%

“…Overall, the effect of pressure on syngas composition is significant before reaching the process steady state, i.e., at a temperature below 1100 • C. The effect of the biomass blending ratio reported in the next section has been tested under atmospheric pressure, similar to the pilot-scale study reported in Ref. [47] for entrained flow gasification of lignites.…”

Section: Effect Of Blending Ratio On the Co-gasification Performancementioning

confidence: 97%

“…It is to be noted that the higher the H 2 concentration in syngas, the better the quality is, due to an at least ten times higher heating value compared to CO on a mass basis [22]. Commercial entrained flow gasifiers using steam and oxygen are operated with an ER of <0.5, mostly between 0.3 and 0.4 [45,47]. Hence, the rest of the analysis in the study is conducted under the ER of 0.33.…”

Section: Effect Of Equivalence Ratio On the Gasification Performance Of Coalmentioning

confidence: 99%

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Co-Gasification Characteristics of Coal and Biomass Using CO2 Reactant under Thermodynamic Equilibrium Modelling

Shahabuddin

Bhattacharya

2021

Energies

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This study assessed the entrained flow co-gasification characteristics of coal and biomass using thermodynamic equilibrium modelling. The model was validated against entrained flow gasifier data published in the literature. The gasification performance was evaluated under different operating conditions, such as equivalence ratio, temperature, pressure and coal to biomass ratio. It is observed that the lower heating value (LHV) and cold gas efficiency (CGE) increase with increasing temperature until the process reaches a steady state. The effect of pressure on syngas composition is dominant only at non-steady state conditions (<1100 °C). The variation in syngas composition is minor up to the blending of 50% biomass (PB50). However, the PB50 shows a higher LHV and CGE than pure coal by 12%and 18%, respectively. Overall, biomass blending of up to 50% favours gasification performance with an LHV of 12 MJ/kg and a CGE of 78%.

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Section: Effect Of Pressure On the Gasification Performance Of Pure Coalmentioning

confidence: 91%

Section: Effect Of Blending Ratio On the Co-gasification Performancementioning

confidence: 97%

Section: Effect Of Equivalence Ratio On the Gasification Performance Of Coalmentioning

confidence: 99%

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Co-Gasification Characteristics of Coal and Biomass Using CO2 Reactant under Thermodynamic Equilibrium Modelling

Shahabuddin

Bhattacharya

2021

Energies

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“…To validate the newly developed entrained bed gasifier model developed in Aspen Plus ® , the published experimental data from literature [27,43] including feedstock characteristics, operating conditions and syngas compositions were used. Experimental parameters from the literature can be seen in Table 3.…”

Section: Model Validationmentioning

confidence: 99%

Çan Kömürü Gazlaştırılmasının Sürüklemeli Akış Gazlaştırıcıda Aspen PLUS® Kullanılarak İncelenmesi

Kartal¹,

Cingisiz²,

Özveren³

2021

Deu Muhendislik Fakultesi Fen Ve Muhendislik

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Excessive consumption of fossil fuels due to energy demand leads to an increase in the amount of CO2 emitted to the environment. Gasification technology enables clean and efficient use of fossil fuels such as coal, which cause CO2 emissions predominantly. Gasification can be utilized under several atmospheres such as air, steam, O2/CO2 mixture, etc. The reduction of inert gases (N2) and the increase of CO concentration at high temperatures in syngas provides high-quality gas. Among the commercial gasifiers, entrained flow gasifiers have many advantages such as obtaining tar-free synthesis gas, high carbon conversion efficiency, and production in high capacities. In addition, there is no limitation to the type of coal to be used. The performance of the entrained flow gasifiers can be examined by simulation programs and design optimization can be performed at a low cost. This study aims to develop a new entrained flow gasifier model for Turkish Lignite (Çan coal) using the Aspen Plus ® thermodynamic simulation program and the effects of various parameters on the synthesis gas were investigated by sensitivity analysis.

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Experimental Study of the Flat-Flame Pulverized Coal Gasification Technology

Liu

Fang

et al. 2021

Clean Coal and Sustainable Energy

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Pilot scale entrained flow gasification of Turkish lignites

Cited by 14 publications

References 20 publications

Co-Gasification Characteristics of Coal and Biomass Using CO2 Reactant under Thermodynamic Equilibrium Modelling

Co-Gasification Characteristics of Coal and Biomass Using CO2 Reactant under Thermodynamic Equilibrium Modelling

Çan Kömürü Gazlaştırılmasının Sürüklemeli Akış Gazlaştırıcıda Aspen PLUS® Kullanılarak İncelenmesi

Experimental Study of the Flat-Flame Pulverized Coal Gasification Technology

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