Hydrothermal catalytic processing of waste cooking oil for hydrogen-rich syngas production

Nanda, Sonil; Rana, Rachita; Hunter, Howard N.; Fang, Zhen; Dalai, Ajay K.; Koziński, Janusz A.

doi:10.1016/j.ces.2018.10.039

Cited by 137 publications

(56 citation statements)

References 62 publications

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“…The reactor was insulated with Al 2 O 3 ceramics, with a thickness of 25 mm. The length of the reactor was 1 m, with an inner diameter of 0.2 m. The schematic of the experimental setup is shown in Figure 1, which includes the plasma torch (1), the chemical reactor (2), the plasma-forming gas feeding system (3), the electric circuit (4), the waste cooking oil feeding with preheating (5), and a line for producer gas sampling and analysis (6). T1, T2, T3, and T4 stand for the thermocouples used to measure the temperature gradient in the reactor and the producer gas temperature.…”

Section: Wco Gasification Setupmentioning

confidence: 99%

“…In general, vegetable oil is categorized as edible and non-edible. Both may consist of triglycerides, which are derived from glycerol and the chains of three fatty acids bounded to glycerol by the carbonyl group [6]. steam reforming vegetable oil for a maximum H 2 yield and a low selectivity of CH 4 were found to be 875-925 K and a steam-to-carbon ratio of 5-6.…”

Section: Introductionmentioning

confidence: 99%

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Gasification of Waste Cooking Oil to Syngas by Thermal Arc Plasma

et al. 2019

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The depletion and usage of fossil fuels causes environmental issues and alternative fuels and technologies are urgently required. Therefore, thermal arc water vapor plasma for a fast and robust waste/biomass treatment is an alternative to the syngas method. Waste cooking oil (WCO) can be used as an alternative potential feedstock for syngas production. The goal of this experimental study was to conduct experiments gasifying waste cooking oil to syngas. The WCO was characterized in order to examine its properties and composition in the conversion process. The WCO gasification system was quantified in terms of the produced gas concentration, the H2/CO ratio, the lower heating value (LHV), the carbon conversion efficiency (CCE), the energy conversion efficiency (ECE), the specific energy requirements (SER), and the tar content in the syngas. The best gasification process efficiency was obtained at the gasifying agent-to-feedstock (S/WCO) ratio of 2.33. At this ratio, the highest concentration of hydrogen and carbon monoxide, the H2/CO ratio, the LHV, the CCE, the ECE, the SER, and the tar content were 47.9%, 22.42%, 2.14, 12.7 MJ/Nm3, 41.3% 85.42%, 196.2 kJ/mol (or 1.8 kWh/kg), and 0.18 g/Nm3, respectively. As a general conclusion, it can be stated that the thermal arc-plasma method used in this study can be effectively used for waste cooking oil gasification to high quality syngas with a rather low content of tars.

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Section: Wco Gasification Setupmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Gasification of Waste Cooking Oil to Syngas by Thermal Arc Plasma

et al. 2019

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“…[25][26][27] On the contrary limited literature is available on the utilization of waste cooking oil as a feedstock for syngas. 28,29 Only very recently the extraction of molecular hydrogen and carbon anhydride from WCOs has been discussed in the literature. The syngas produced can be employed as energy carrier or as precursors of other chemicals.…”

Section: Syngas Production From Waste Cooking Oilsmentioning

confidence: 99%

“…The production of hydrogen-rich syngas from Asian WCOs subjected to supercritical water gasification has been reported by Nanda and co-workers. 28 The long chain fatty acids contained in the WCO were subjected to C-C bond cleavage through thermal cracking to give short chain fatty acids, converted into H2 and CO2, CO and H2O by reforming process. Such conditions promote the water-gas shift reaction between CO and H2O to generate CO2 and H2, 26 and the dehydrogenation of saturated compounds to form H2.…”

Section: Syngas Production From Waste Cooking Oilsmentioning

confidence: 99%

Innovative applications of Waste Cooking Oil as Raw Material

Mannu¹,

Ferro²,

Pietro³

2019

Preprint

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The consideration toward Waste Cooking Oils (WCOs) is changing from hazardous waste to valuable raw material for industrial application. During the last five years some innovative processes based on the employment of recycled WCO have appeared in the literature. In the present review article, the most recent applications of recycled Waste Cooking Oil are reported and discussed. These include the production of bio-plasticizers, the application of chemicals derived from WCOs as energy vectors, and the use of WCOs as solvent for pollutant agents.

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“…Biofuels can be produced from organic wastes through thermochemical (e.g., pyrolysis, liquefaction, and gasification) and biochemical (e.g., anaerobic digestion and fermentation) pathways . Waste organic biomass or lignocellulosic materials (e.g., agricultural crop residues and woody biomass), food waste, and animal manure have gained attention for their potential to produce hydrogen and other hydrocarbon biofuels .…”

Section: Introductionmentioning

confidence: 99%

Biohydrogen Production Through Dark Fermentation

2020

Self Cite

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Waste organic biomass is regarded as the most suitable renewable source for conversion to produce biofuels and biochemicals. Owing to its high‐energy potential and abundancy, lignocellulosic biomass can be utilized to produce alternative energy in the form of gaseous and liquid biofuels. Microbial conversion of waste biomass is the most successful technology for the generation of biohydrogen through dark fermentation. Different biological hydrogen production technologies along with process parameters are described in this review paper with the focus on dark fermentation. The production of biohydrogen from various substrates is summarized along with the integrated mode of dark fermentation and photofermentation. Hydrogen generation through biological water‐gas shift reaction is also highlighted.

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Hydrothermal catalytic processing of waste cooking oil for hydrogen-rich syngas production

Cited by 137 publications

References 62 publications

Gasification of Waste Cooking Oil to Syngas by Thermal Arc Plasma

Gasification of Waste Cooking Oil to Syngas by Thermal Arc Plasma

Innovative applications of Waste Cooking Oil as Raw Material

Biohydrogen Production Through Dark Fermentation

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