Catalytic Pyrolysis of Used Engine Oil over Coal Ash into Fuel-like Products

Ahmad, Imtiaz; Khan, Razia; Ishaq, Mohammad; Khan, Hizbullah; Ismail, Mohammad; Gul, Kashif; Ahmad, Waqas

doi:10.1021/acs.energyfuels.5b02316

Cited by 19 publications

(19 citation statements)

References 40 publications

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“…The results of FTIR analysis also revealed that the spectrum bands related to the oils were predominantly similar to both that of commercial diesel fuel [15] and those of other catalytic oils obtained from the catalytic cracking of the waste transformer oil with the use of a catalyst such as fly ash [6] and hydroquinone [16]. Furthermore, the comparative spectra belong to the oils of TO and BCTO was in agreement with those of other studies [17,18] containing the used engine oil and the spent lubricant engine oil with the use of a catalyst of coal ash and barium-strontium ferrite.…”

Section: Effect Of Bentonite On the Chemical Composition Of Liquid Prsupporting

confidence: 87%

Liquid fuels from used transformer oil by catalytic cracking using bentonite catalyst

Kar

Bozkurt

Yalman

2018

Env Prog and Sustain Energy

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In this study, the main target was to obtain the liquid fuel‐like product from the catalytic cracking of the used transformer oil over bentonite as a low‐cost catalyst. For this aim, a series of cracking runs were performed under certain experimental conditions (450 °C cracking temperature, 10 °C/min of heating rate, and catalyst in the range of 0–8.0 wt %) in a fixed‐bed reactor. In catalytic cracking runs, the use of bentonite as a catalyst led to a considerable increase in yield of the cracking oil comparable to that of the noncatalytic oil. The highest yield value of 98.64 wt % was achieved at catalyst ratio of 4.0 wt %. Furthermore, the liquid product obtained in the highest yield was characterized by FTIR and GC–MS to evaluate its composition in terms of compound distributions as a comparison with the noncatalytic run. Also, its fuel properties such as cetane index, higher heating value, viscosity, density, water content, elemental content, and so forth were analyzed using standard test techniques. Based on these results obtained, the catalytic liquid product can be utilized to prepare liquid fuel blends with diesel for the diesel engines. © 2018 American Institute of Chemical Engineers Environ Prog, 38:e13080, 2019

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Section: Effect Of Bentonite On the Chemical Composition Of Liquid Prsupporting

confidence: 87%

Liquid fuels from used transformer oil by catalytic cracking using bentonite catalyst

Kar

Bozkurt

Yalman

2018

Env Prog and Sustain Energy

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“…The relative distribution of different carbon range hydrocarbons in the CDLP is given in Table 8. As we reported earlier, 28 the relative distributions of C 6 −C 12 , C 13 −C 16 , C 17 −C 20 , C 21 −C 30 , and >C 30 range hydrocarbons were observed to be 62.7, 16.95, 9.32, 6.77 and 3.38%, respectively in case of the thermal run wherein the proportion of different carbon range hydrocarbons linearly decreased as their molecular weights increased. The result of the catalyzed run shows no obvious difference with the thermal run.…”

Section: Ft-ir Analysissupporting

confidence: 80%

“…It can be observed that CDLP consists of individual hydrocarbons with minor differences in their relative concentrations, as determined in the case of the thermal run. 28 The paraffinic hydrocarbons identified included heptane, 3-ethyl-2,4-dimethylpentane, octane, nonane, decane, undecane, dodecane, tridecane, tetradecane, pentadecane, hexadecane, heptadecane, octadecane, nonadecane, eicosane, henicosane, docosane, tetracosane, and pentacosane and their alkyl derivatives. The concentrations of most of the individual compounds ranged from 1 wt% to as high as 6 wt%.…”

Section: Individual Compoundsmentioning

confidence: 99%

Production of Lighter Fuels from Spent Lubricating Oil via Pyrolysis over Barium-Substituted Spinel Ferrite

et al. 2016

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The present work addresses the catalytic conversion of spent lubricating oil (SLO) into reusable diesel-like product over laboratory-prepared barium ferrite (abbreviated as BF, formula BaFe 2 O 4 ) using pyrolytic distillation. Soot, carbon, water, and other detrital contaminants were removed from SLO by prior treatment using pre-baked clay as adsorbent. The BF was characterized by scanning electron microscopy, energy-dispersive X-ray scattering, X-ray diffractometry, and surface area analysis and used in the concentration range of 1−5 wt%. The influence of BF concentration on overall conversion (OC) and yields of liquid fraction (LF), gas (G), and solid residue (SR) was studied in comparison with the thermal uncatalyzed run. A catalyst loading of 5 wt% was found to be optimum, giving yields of 97.67 wt% OC, 92.91 wt% LF, 2.33 wt% G, and 4.76 wt% SR. Fourier transform infrared and gas chromatographic−mass spectrometric analyses showed the preponderance of aliphatic (79.38%) and olefinic (11.18%) hydrocarbons in the derived LF. The fuel properties of the derived fraction were also investigated using ASTM/IP standard methods. The results showed that a 5 wt% concentration of BF possessed high activity and selectivity toward formation of diesel-range hydrocarbons in appreciable yields.

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“…The composition of Al-Fe-rich particles was similar to that of oil and coal fly ash emitted from local sources such as oil-and coal-fired boilers ( Figure 5), and similar in composition to oil and coal ash as reported in the scientific literature [66][67][68][69][70][71][72][73]. This makes it possible to use these values as source diagnostic ratios for source apportionment, regardless of study area location.…”

Section: Chemical Composition Of Potential Source Emissionssupporting

confidence: 73%

Using Si, Al and Fe as Tracers for Source Apportionment of Air Pollutants in Lake Baikal Snowpack

et al. 2020

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The aim of this study was to select chemical species characterized by distinctly different proportions in natural and anthropogenic particulate matter that could be used as tracers for air pollutant sources. The end-member mixing approach, based on the observation that the chemical species in snow closely correlated with land use are those that exhibit differences in concentrations across the different types of anthropogenic wastes, was used for source apportionment. The concentrations of Si and Fe normalized to Al were used as tracers in the mixing equations. Mixing diagrams showed that the major pollution sources (in descending order) are oil, coal, and wood combustion. The traces of several minor sources, such as aluminum production plants, pulp and paper mills, steel rust, and natural aluminosilicates, were also detected. It was found that the fingerprint of diesel engines on snow is similar to that of oil combustion; thus, future research of the role of diesel engines in air pollution will be needed. The insufficient precision of source apportionment is probably due to different combinations of pollution sources in different areas. Thus, principles for the delineation of areas affected by different source combinations should be the subject of further studies.

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Catalytic Pyrolysis of Used Engine Oil over Coal Ash into Fuel-like Products

Cited by 19 publications

References 40 publications

Liquid fuels from used transformer oil by catalytic cracking using bentonite catalyst

Liquid fuels from used transformer oil by catalytic cracking using bentonite catalyst

Production of Lighter Fuels from Spent Lubricating Oil via Pyrolysis over Barium-Substituted Spinel Ferrite

Using Si, Al and Fe as Tracers for Source Apportionment of Air Pollutants in Lake Baikal Snowpack

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