Combustion Characteristics of Asphaltites

Kök, Mustafa Verşan; Bagci, A. Suat; Ceylan, Ezgi; Özkılıç, Ö. I.

doi:10.1080/00908310490441818

Cited by 8 publications

(3 citation statements)

References 3 publications

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“…As a result of the presence of carbon in its structure, it is a suitable adsorbent for a wide variety of contaminants [32]. In the world, some valuable materials such as vanadium, nickel, and uranium can be produced from asphaltite ashes [37]. They are characterized by high heteroatom and metal content [3].…”

Section: Natural Asphalts (Na)mentioning

confidence: 99%

Natural Asphalts in Pavements: Review

2023

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Natural asphalts (NAs) can be an economical and environmental alternative in pavement construction. Most studies have investigated them as binder and asphalt mixture modifiers due to their high compatibility with conventional asphalts. In this article, some of the studies carried out on the use of NA in pavements are summarized and described in a chronological order. The main aspects described in the reviewed studies were the type of asphalt binder or modified mixture, the type and content of the modifier, the manufacturing processes of the asphalt or modified mixture, tests performed, and main results or conclusions. In general terms, NAs show better performance as binder and asphalt mixture modifiers in high-temperature climates. Additionally, they tend to improve water and ageing resistance. As main limitations, it is reported that NAs tend to negatively affect the workability and performance of asphalt mixtures in low-temperature climates. Finally, recommendations for future study topics are provided at the end of this paper.

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Section: Natural Asphalts (Na)mentioning

confidence: 99%

Natural Asphalts in Pavements: Review

2023

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“…Some valuable materials (trace metals such as) like vanadium, molybdenum, nickel, uranium, thorium, etc. can be produced from the ashes of asphaltites [5][6][7][8][9].…”

Section: Introductionmentioning

confidence: 99%

Separation of liquid fractions obtained from flash pyrolysis of asphaltite

Saydut

Duz

Tonbul

et al. 2008

Journal of Analytical and Applied Pyrolysis

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“…It is mainly composed of hydrocarbons and represents an enormous potential of liquid hydrocarbon reserves [Altun et al, 2003;Altun et al, 2002]. Asphaltite has wide range of usage areas; in paint and varnish production, in road construction, automobile tires production, electrical isolation, and ink production [Kok et al, 2005]. South-Eastern region of Turkey has a great asphaltite potential [Hamamci et al, 1997].…”

Section: Introductionmentioning

confidence: 99%

Liquefaction of Harbul (Silopi SE Anatolia, Turkey) Asphaltite by Flash Pyrolysis

Saydut

Tonbul

Hamamcı

2008

Energy Exploration & Exploitation

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Asphaltite, being petroleum originated solid fossil fuel, can be converted into a variety of secondary products such as light hydrocarbon gases, liquid product and high quality fuel char by means of pyrolysis. Liquefaction of Harbul (Silopi, Turkey) asphaltite,-0.60+0.25 mm particle size, and using flash pyrolysis was performed in a fixed bed reactor with a heating rate 40°C min -1 at a temperature ranging from 400 to 800°C under nitrogen atmosphere. The effect of temperature on conversion and liquid yield was examined. The flash pyrolysis temperature resulted in a large increase in the oil yield, tar, gases, large increase in the yield of hydrocarbon gases occurred as a result of temperature at 550 o C which was attributed to an increase thermal cracking of pyrolysis vapours. The yield of asphaltite liquid at the condition of 550°C reached a maximum 19.66 wt %. The asphaltenes of the pyrolytic oils were precipitated by addition of npentane. Pentane solubles were fractioned by column chromatography into aliphatic, aromatic and polar fractions using n-hexane, toluene and methanol, respectively. The composition of these fractions from silica gel column chromatography of oil obtained by nitrogen pyrolysis was characterized by FTIR.

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Combustion Characteristics of Asphaltites

Cited by 8 publications

References 3 publications

Natural Asphalts in Pavements: Review

Natural Asphalts in Pavements: Review

Separation of liquid fractions obtained from flash pyrolysis of asphaltite

Liquefaction of Harbul (Silopi SE Anatolia, Turkey) Asphaltite by Flash Pyrolysis

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