Combustion behavior and optimal proportion of industrial sludge‐derived fuels

Chiou, Ing–Jia; Chen, Chin-Ho; Lin, Yaosheng

doi:10.1002/ep.11839

Cited by 5 publications

(4 citation statements)

References 24 publications

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“…The FPSs were characterized by high moisture and combustible component contents, and low incinerated ash content. The dry ash content of FPSs are lower than those of pulp sludge and textile sludge, which are 54.29% and 53.65%, respectively [28,32]. The carbon contents of four FPSs were 47.44%, 37.20%, 43.29%, and 37.90%, respectively ( Table 1).…”

Section: Proximate Analysis and Elemental Composition Of Fpssmentioning

confidence: 96%

“…FPSs have high water content (approximately 80-90%), as well as odors with high potential to cause environmental V C 2015 American Institute of Chemical Engineers hazards. In contrast, Taiwan has a stable source of FPSs, with a higher calorific value and a lower ash content than pulp sludge and textile sludge, which can be used as fuel in Taiwan [28,32]. Therefore, it is consistent with the development potential of fuels.…”

Section: Introductionmentioning

confidence: 99%

“…This work found that waste activated carbon was used to enhance the combustion efficiency of sludge‐derived fuel , using odorless organic sludge through frying and drying, followed by mixing with waste cooking oils to create waste‐derived fuel . In addition, in Canada, U.S.A. Greece, Taiwan and China, pulp/paper–mill sludge and sewage sludge were used to produce biofuels. The above research results demonstrate that waste‐derived fuels can be made from various wastes, may be closely related to national industrial or agricultural development, and that the use of waste‐derived fuels can solve the environmental problem of excess waste generation.…”

Section: Introductionmentioning

confidence: 99%

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Fuel briquettes from food‐processing sludge

Chiou¹,

Chen

Li³

et al. 2015

Env Prog and Sustain Energy

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Food‐processing sludge (FPSs) have high moisture content (approximately 80–90%) and odor, and therefore can easily become a potential environmental hazard. However, FPS has a higher calorific value and a lower ash content (dry basis). This study assessed the fuel briquettes potential of different food‐processing sludge‐derived fuels (FPSDFs) through analysis of their FPSs composition and combustion characteristics. The experimental results showed that FPSs were weak acid with high concentrations of chloride ions. Moreover, the calorific value of FPSs (18.59–25.70 MJ/kg, dry basis) could reach up to 72.4–100.1% of that of coal. The formability of FPSDFs was significantly related to FPSs type, and FPSDFs were characterized by high temperature (900–1100°C), flammability, low‐moisture regain (8–14%) and lightweight (0.7–0.9 g/cm3, dry basis). Considering fuel potential revealed that FPSs from the dairy and beverage industries was the most suitable material for manufacturing fuel. © 2015 American Institute of Chemical Engineers Environ Prog, 34: 1790–1795, 2015

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Section: Proximate Analysis and Elemental Composition Of Fpssmentioning

confidence: 96%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Fuel briquettes from food‐processing sludge

Chiou¹,

Chen

Li³

et al. 2015

Env Prog and Sustain Energy

Self Cite

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“…There is a range of potentially suitable materials for refuse-derived fuel (RDF): agricultural waste [e.g. rice straw, rice hull, rice husk, and sawdust (Asamoah et al, 2016; Chou et al, 2009); haulm and palm oil waste (Razuan et al, 2011); potato pulp (Obidziński, 2012); olive oil residue (Miranda et al, 2012); coffee bean pod and cocoa pod residue (Syamsiro et al, 2012); grape waste and cassava stems (Kaewwinud, 2018)]; waste plastics (including junked automobile dismantling residue and tyre shreds) (Taylor et al, 2013; Zhou et al, 2014); sewage sludge (Wzorek, 2012); and industrial organic sludge (Chang et al, 2013; Chiou and Wu, 2014; Chiou et al, 2014, 2015; Hou et al, 2014; Razuan et al, 2011) (e.g. oil sludge, pulp sludge, textile sludge, and food processing sludge).…”

Section: Introductionmentioning

confidence: 99%

Municipal solid waste landfill age and refuse-derived fuel

Chiou¹,

Chen

2020

Waste Manag Res

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Landfill sites are hard to obtain in Taiwan. Municipal solid waste (MSW) in the closed landfill sites has high combustible content and calorific value (CV). Therefore, activating the closed landfill sites as municipal mine sites to prolong their service life will promote a sustainable environment. This study transforms combustibles from the closed municipal landfill sites of different landfill ages (LAs) into refuse-derived fuel (RDF) through pretreatment and squeeze forming equipment, so to investigate the characteristics of the MSW of different LAs, and the manufacturing conditions and firing behaviour of RDF. The results indicate that the proportion of the combustibles in MSW declines as the LA grows, and therefore the proportions of both incombustible materials and soil and debris correspondingly increased. The LA of the MSW is thus negatively correlated with the CV. The MSW at the LA of 10 years still has high potential as fuel material. The fixed carbon initiation temperatures (i.e. ignition temperatures) of combustibles of the MSW at the LAs of 1 year, 5 years and 10 years are 259°C, 256°C and 245°C, respectively. The CV and flame temperature of the RDF increase slightly with the increasing squeeze temperature (ST) at 100–120°C, but it will decrease when the ST reaches 130°C. Therefore, this study recommends the squeeze pressure of the RDF as 41.65 ± 8.24 kg cm−2, ST 110°C and combustible size 10–20 mm.

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Optimization of low-grade coal and refuse-derived fuel blends for improved co-combustion behavior in coal-fired power plants

Zaib,

Park,

Behera

et al. 2023

Environ Sci Pollut Res

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This study aims at utilizing three waste materials, i.e., Biomass-Solid Refuse Fuel (SRF), Tire Derived Fuel (TDF), and Sludge Derived Fuel (SDF), as ecofriendly alternatives to coal-only combustion in co-ring power plants. The contribution of waste materials is limited to ≤ 5% in the composition of the mixed fuel (coal + waste materials). Statistical experimental design and response surface methodology is employed to investigate the effect of mixed fuel composition (SRF, TDF, and SDF) on gross calori c value (GCV) and ash fusion temperature (AFT). A quadratic model is developed and statistically veri ed to apprehend mixed fuel constituents' individual and combined effects on GCV and AFT. Constrained optimization of fuel blend, i.e., GCV > 1250 kcal/kg and AFT > 1200°C, using the polynomial models projected the fuel-blend containing 95% coal with 3.84% SRF, 0.35% TDF, and 0.81% SDF. The observed GCV of 5307 kcal/kg and AFT of 1225°C for the optimized blend were within 1% of the model predicted values, thereby establishing the robustness of the models. Our ndings can foster sustainable economic development and zero CO 2 emission objectives by optimizing the utilization of waste materials without compromising on the GCV and AFT of mixed fuels in coal-red power plants.

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Combustion behavior and optimal proportion of industrial sludge‐derived fuels

Cited by 5 publications

References 24 publications

Fuel briquettes from food‐processing sludge

Fuel briquettes from food‐processing sludge

Municipal solid waste landfill age and refuse-derived fuel

Optimization of low-grade coal and refuse-derived fuel blends for improved co-combustion behavior in coal-fired power plants

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