Retrofitting existing coal power plants through cofiring with hydrothermally treated empty fruit bunch and a novel integrated system

Darmawan, Arif; Budianto, Dwika; Aziz, Muhammad; Tokimatsu, Koji

doi:10.1016/j.apenergy.2017.03.122

Cited by 39 publications

(16 citation statements)

References 30 publications

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“…Biomass cofiring to the existing power plants (as shown in Figure 1), especially coal-fired power plants, has some advantages compared to dedicated biomass firing such as minimum capital cost and optimum combustion efficiency [2]. Other advantages of biomass cofiring into existing coal-fired power plant are that it can significantly reduce the emissions from the power plant and minimize the slagging inside combustor [3].…”

Section: Retrofitting the Existing Coal Power Plants Through Cofiringmentioning

confidence: 99%

“…The combustion process takes place inside the tubular furnace and in the downward direction. The detailed report of this study can be read in the full paper written by Darmawan et al [2]. The coal used in the simulation is originated from Kalimantan, Indonesia.…”

Section: Computational Fluid Dynamics -Basic Instruments and Applicatmentioning

confidence: 99%

“…P-1 model is widely used for specific application to pulverized coal-fired boilers. In addition, some researchers are also adopting P-1 radiation model for their research related to cofiring [2,3,13]. The DO model is more expensive but has an accurate process and is applicable for a large range of optic thickness.…”

Section: Development Of Radiation Models For Cofiringmentioning

confidence: 99%

“…Furthermore, in Section 4, a case study of palm oil waste cofiring with coal will be discussed to evaluate the applicability of the CFD models. The palm oil waste reported in the Section 4 consists of palm kernel shell (PKS) and hydrothermally treated empty fruit bunch (HT-EFB) [2,3].…”

Section: Introductionmentioning

confidence: 99%

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Analysis of Biomass Waste Cofiring into Existing Coal-Fired Power Plant Using Computational Fluid Dynamics

Darmawan¹,

Budianto²,

Tokimatsu³

et al. 2018

Computational Fluid Dynamics - Basic Instruments and Applications in Science

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Biomass utilization to generate electricity via combustion simply can be classified into firing and cofiring. Biomass cofiring into the pulverized coal boilers has some advantages compared to dedicated biomass firing in terms of capital cost and combustion efficiency. To understand the cofiring behavior of biomass and coal comprehensively, computational fluid dynamics (CFD) method can be used to analyze and solve problems involving fluid flows inside a combustor. A CFD modeling is significantly more effective from the perspectives of time and cost and safety and ease of scaling up; hence, it is usually performed before conducting a physical investigation through experiment. Moreover, the current state-of-the-art CFD modeling-based study is capable of solving the complexity of the interdependent processes such as turbulence, heat transfer via radiation, produced gas, and reactions in both the particle and gas phases during combustion. This chapter focuses on the study of cofiring of biomass, which is palm mill wastes, into the existing coal-fired power plant. Two palm mill wastes are evaluated: palm kernel shell and hydrothermally treated empty fruit bunch. Distributions of temperature and the produced are simulated to find the most optimum and applicable cofiring conditions.

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Section: Retrofitting the Existing Coal Power Plants Through Cofiringmentioning

confidence: 99%

Section: Computational Fluid Dynamics -Basic Instruments and Applicatmentioning

confidence: 99%

Section: Development Of Radiation Models For Cofiringmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Analysis of Biomass Waste Cofiring into Existing Coal-Fired Power Plant Using Computational Fluid Dynamics

Darmawan¹,

Budianto²,

Tokimatsu³

et al. 2018

Computational Fluid Dynamics - Basic Instruments and Applications in Science

Self Cite

View full text Add to dashboard Cite

show abstract

“…CFD simulation was applied to analyze the co-firing of palm kernel shell and coal in a pulverized coal power plant [9]. Darmawan et al [11] used CFD simulation to examine the thermal behavior in co-firing of hydrothermally treated empty fruit bunch (EFB) with coal, particularly temperature distribution and the composition of gases produced from the process. Darmawan et al [11] used CFD simulation to examine the thermal behavior in co-firing of hydrothermally treated empty fruit bunch (EFB) with coal, particularly temperature distribution and the composition of gases produced from the process.…”

Section: Introductionmentioning

confidence: 99%

Simulation of Crude Palm Oil Dilution in a Palm Oil Mill Using Computational Fluid Dynamics

et al. 2019

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Computational fluid dynamics (CFD) simulation was applied to simulate the dilution of undiluted crude oil (UCO) in a dilution tank of a palm oil mill. Fluid flow and mixing characteristics were examined. Considering the mixing behavior, the mixing of dilution water and UCO occurred as soon as these fluids entered the dilution tank, and the oil mass fraction in the mixture decreased gradually towards the outlet of the tank. Meanwhile, the velocity of dilution water and UCO declined as the fluids moved from their respective inlets. The intensity of turbulence flow remained until near the tank outlet. For the parametric study, the oil mass fraction of diluted crude oil (DCO) increased with higher UCO flow rate and oil mass fraction in the UCO but declined with higher dilution water flow rate.

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Improvements in the stability of biodiesel fuels: recent progress and challenges

Masudi

Muraza²,

Jusoh

et al. 2022

Environ Sci Pollut Res

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Fewer fossil fuel deposits, price volatility, and environmental concerns have intensified biofuel-based studies. Saccharification, gasification, and pyrolysis are some of the potential methods of producing carbohydrate-based fuels, while lipid extraction is the preferred method of producing biodiesel and green diesel. Over the years, multiple studies have attempted to identify an ideal catalyst as well as optimize the abovementioned methods to produce higher yields at a lower cost. Therefore, this present study comprehensively examined the factors affecting biodiesel stability. Firstly, isomerization, which is typically used to reduce unsaturated fatty acid content, was found to improve oxidative stability as well as maintain and improve cold flow properties. Meanwhile, polymers, surfactants, or small molecules with low melting points were found to improve the cold flow properties of biodiesel. Meanwhile, transesterification with an enzyme could be used to remove monoacylglycerols from oil feedstock. Furthermore, combining two natural antioxidants could potentially slow lipid oxidation if stainless steel, carbon steel, or aluminum are used as biodiesel storage materials. This present review also recommends combining green diesel and biodiesel to improve stability. Furthermore, green diesel can be co-produced at oil refineries that are more selective and have a limited supply of hydrogen. Lastly, next-generation farming should be examined to avoid competing interests in food and energy as well as to improve agricultural efficiency.

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Retrofitting existing coal power plants through cofiring with hydrothermally treated empty fruit bunch and a novel integrated system

Cited by 39 publications

References 30 publications

Analysis of Biomass Waste Cofiring into Existing Coal-Fired Power Plant Using Computational Fluid Dynamics

Analysis of Biomass Waste Cofiring into Existing Coal-Fired Power Plant Using Computational Fluid Dynamics

Simulation of Crude Palm Oil Dilution in a Palm Oil Mill Using Computational Fluid Dynamics

Improvements in the stability of biodiesel fuels: recent progress and challenges

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