Biodiesel Production from Waste Cooking Oil: Characterization, Modeling and Optimization

Kolakoti, Aditya; Setiyo, Muji; Waluyo, Budi

doi:10.31603/mesi.5320

Cited by 26 publications

(22 citation statements)

References 19 publications

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“…The combustion of vegetable oil occurred in four processes: heating, evaporation, ignition, and combustion [9]. Figure 4 shows the relationship between (d/do) 2 and temperature with time on CCO. The highest temperature is at the maximum droplet size, and the highest temperature is the ignition temperature.…”

Section: Resultsmentioning

confidence: 99%

“…However, there is potential to reduce the viscosity of vegetable oils by chemical treatment so that they have similar characteristics to diesel oil [1]. The conversion of vegetable oil into biodiesel by transesterification process requires more energy and also production cost [2]- [5], so the use of nontransesterified needs to be reviewed [6].…”

Section: Introductionmentioning

confidence: 99%

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The Response of Adding Nanocarbon to the Combustion Characteristic of Crude Coconut Oil (CCO) Droplets

Marlina

Basjir

Purwati³

2021

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One of the strong candidates for biodiesel is Crude Coconut Oil (CCO) but its high viscosity cannot be applied directly without treatment. Therefore, nanocarbon is added to reduce the viscosity of CCO. Nanocarbon is a natural material with semiconductor properties, a good heat conductor, and can attract other molecules. By adding nanocarbon, it is expected to reduce the viscosity of CCO. This study aimed to determine the combustion characteristics of droplets on CCO by adding nanocarbon by 1% and 5%. The method used was a true experiment with droplets, which dripped on the thermocouple with activation energy from the heater. The results showed that CCO burned 0.933s with a droplet diameter of 4.307mm, droplet diameter of 5.472 mm. By adding 5% nanocarbon to CCO, the CCO burned faster, more reactive, and the ignition was shorter than the pure CCO and 1% CCO.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

The Response of Adding Nanocarbon to the Combustion Characteristic of Crude Coconut Oil (CCO) Droplets

Marlina

Basjir

Purwati³

2021

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“…On the other hand, algae cultivation in fresh water and wastewater [9,10] is also popular. Currently, with the advent of the latest technology from industry 4.0 [11], the maximum benefit of extracting the oil from microalgae and converting it to biodiesel is made more economical with the latest optimization and artificial intelligence (AI) tools [12][13][14]].…”

Section: Introductionmentioning

confidence: 99%

Preparation and physicochemical properties of naturally grown green Spirogyra algae biodiesel

Kalyani

Prasad

Kolakoti³

2023

CI&CEQ

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In this study, biodiesel was produced from a naturally grown green algae (spirogyra). The algae were cultivated in an open pond for 180 days without any fertilizers or nutrients. The dried algae powder to oil yield and significant fuel properties of viscosity, density, cetane number, calorific value, flash point, pour and cloud points are investigated for B10 to B100 blends. The results of solvent oil extraction show that at a 1:2 (algae powder to solvent) ratio and 65oC, algae oil yield was observed as 22.66%. Furthermore, Box-Behnken assisted response surface optimization technique was implemented. From the 29 random experiments, 96.24% spirogyra algae oil biodiesel (SAOBD) yield was achieved under the optimum conditions of 50oC, 180 minutes, the molar ratio of 9:1 and catalyst concentration of 0.5 wt%. The fatty acid composition (FAC) by gas chromatography reveals that 73.95 wt% saturated FAC was observed in SAOBD. The significant fuel properties are measured by following ASTM-D6751 standards and 40% SAOBD in diesel fuel could possibly be an optimum blend ratio for engine experimentation. Finally, regression equations with high correlation coefficients (R2) were developed for the fuel properties to predict the various blend ratios.

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“…So, our present study focuses on the catalyst preparation viz calcination technique and its characterization to elucidate the elemental compositions and reuse capabilities. Palm oil was chosen with this heterogeneous catalyst for biodiesel production and response surface method (RSM) optimization and artificial intelligence (AI) modeling was also carried out to predict the biodiesel yield like we did in our previous work (Kolakoti et al, 2021(Kolakoti et al, , 2022. The right combination of catalyst, molar ratio, temperature, and reaction time is expected to produce optimal biodiesel yields.…”

Section: Introductionmentioning

confidence: 99%

A Green Heterogeneous Catalyst Production and Characterization for Biodiesel Production using RSM and ANN Approach

Kolakoti¹,

Setiyo

Rochman

2022

Int. J. Renew. Energy Dev.

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In this work, naturally available moringa oleifera leaves are chosen as a heterogeneous catalyst for biodiesel production from palm oil. The dry moringa oleifera leaves are calcinated up to 700 °C for 3 hours to improve their adsorbing property. The calcinated catalyst characterization analysis from XRD and EDX highlights the presence of calcium, potassium, and other elements. Response surface method (RSM) optimization and artificial neural network (ANN) modeling were carried out to elucidate the interaction effect of significant process variables on biodiesel yield. The results show that a maximum biodiesel yield of 92.82% was achieved at optimum conditions of catalyst usage (9 wt.%), molar ratio (7:1), temperature (50 °C) and reaction time (120 min). The catalyst usage (wt.%) was identified as a significant process variable followed by molar ratio. Furthermore, the significant fuel properties of the biodiesel related to thermal, physical, chemical, and elemental match with the established standards of ASTM. The reutilization analysis of the catalyst reveals that more than 50% of the biodiesel yield was achieved after five cycles of reuse.

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Biodiesel Production from Waste Cooking Oil: Characterization, Modeling and Optimization

Cited by 26 publications

References 19 publications

The Response of Adding Nanocarbon to the Combustion Characteristic of Crude Coconut Oil (CCO) Droplets

The Response of Adding Nanocarbon to the Combustion Characteristic of Crude Coconut Oil (CCO) Droplets

Preparation and physicochemical properties of naturally grown green Spirogyra algae biodiesel

A Green Heterogeneous Catalyst Production and Characterization for Biodiesel Production using RSM and ANN Approach

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