The rapid pyrolysis feature and evolution of heteroatoms of Indonesian …
The rapid pyrolysis behavior of a kind of Indonesian oil sand was studied by a fixed-bed reactor. According to X-ray photoelectron spectroscopy (XPS), 1 H nuclear magnetic resonance spectra (1 H NMR) analysis, the organic structure model of oil sand and the occurrence of heteroatoms were proposed. Liquid products were characterized …
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Pyrolysis of an Indonesian oil sand in a
Pyrolysis of an Indonesian oil sand in a thermogravimetric analyser and a fixed-bed reactor. PengfeiLiu, MingmingZhu, ZheziZhang, DongkeZhang. Show more. …
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Pyrolysis Characteristics of Indonesian Oil Sand …
ABSTRACT: In this research, pyrolysis experiment of Indonesian oil sand was performed in a fixed bed. Results show that the temperature and heating rate had significant …
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1H NMR and 13C NMR Studies of Oil from Pyrolysis of Indonesian Oil Sands
In this study, the chemical structural units of two Indonesian oil sands bitumen (OSB) samples were experimentally characterized by advanced techniques. The results show that the chemical ...
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Study on Trace and Rare Earth Elements in Indonesian Oil Sands …
The results of atomic absorption spectrophotometer (AAS) show that Indonesian oil sands contain high contents of CaO and SiO 2 follow by MgO and Fe 2 O 3. SiO 2 is generally a most important acidic component in ash, because ash fusion point increases with the increasing of SiO 2 content. Quartz plays on the certain dispersion …
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Pyrolysis of an Indonesian oil sand in a
The 'as received' Buton oil sand sample in the form of dark brown rock chunks, was first crushed into small pieces and then ground to fine particles with a size fraction below 200 μm.The Dean–Stark toluene extraction method, recommended as a standard method by Alberta Oil Sands Technology and Research Authority (AOSTRA), …
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Opposition grows to Indonesia's resumption of sea sand …
Opposition grows to Indonesia's resumption of sea sand exports. by Basten Gokkon, Sarjan Lahay on 8 July 2023. Marine conservation and fisheries activists in Indonesia are pushing for exports of ...
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Study on the Basic Properties of Indonesian Oil Sands
The basic properties of three Indonesian oil sands have been investigated. The results show that since the high content of volatile, heating value and oil yield, …
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Pyrolysis model of oil sand using thermogravimetric …
Qianqian Jiang, Yin Wang & Deyin Wu. 620 Accesses. 36 Citations. Explore all metrics. Abstract. In this paper, the derivative thermogravimetry (DTG) curve displays …
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Combustion characteristics of Indonesian oil sands
In this research, a series of combustion experiments of Indonesian oil sands using a thermal analyzer were conducted at three heating rates (10, 20, and 50 °C min − 1) over the temperature range of 20–900 °C under atmospheric pressure. The obtained DTG curves revealed that combustion reactions occurred at three different stages in all the …
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Pyrolysis behavior of Indonesia oil sand by TG-FTIR and in a …
Section snippets Sample. Oil sands mainly comes from Indonesia. Previously dehydrated in a paper-mill, the deinking sludge went through air-dry, grounding, and oven-dry at 105 °C for 6 h, finally the obtained particle size of oil sand was kept between 0 and 0.2 mm.They were prepared according to the ASTM standards.
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Pyrolysis model of oil sand using thermogravimetric analysis
Abstract In this paper, the derivative thermogravimetry (DTG) curve displays an overlapping peak which consists of two subpeaks for the major oil-producing stage of Indonesian oil sand. This study was conducted to supplement the insufficiencies of the previous studies, which neglected or oversimplified the processing of the overlapping …
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Combustion characteristics of Indonesian oil sands
In this research, a series of combustion experiments of Indonesian oil sands using a thermal analyzer were conducted at three heating rates (10, 20, and 50 °C min− 1) over the temperature range ...
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Study on combustion characteristics of three Indonesia oil sands
The pyrolysis experiments on Buton oil sand, Indonesia, were carried out using differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA) at different heating rates of 15, 20, 25 ...
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Enhanced recovery of bitumen from Indonesian oil sands …
The results showed that the Indonesian oil sands were oil-wet oil sands with a bitumen content of 24.93%, containing a large number of asphaltenes and resins with high polarity and complex structures.
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Effects of temperature on pyrolysis characteristics of Indonesia oil sands
The rapid pyrolysis behavior of a kind of Indonesian oil sand was studied by a fixed-bed reactor. According to X-ray photoelectron spectroscopy (XPS), 1 H nuclear magnetic resonance spectra (1 H NMR) analysis, the organic structure model of oil sand and the occurrence of heteroatoms were proposed. Liquid products were characterized …
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Study on the Basic Properties of Indonesian Oil Sands
The basic properties of three Indonesian oil sands have been investigated. The results show that since the high content of volatile, heating value and oil yield, Indonesian oil sands could be combusted for power generation and retorting for oil refining. Moreover, oil sand ash with the low content of fixed carbon and high content of CaO, could not only be …
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Recovery of Heavy Hydrocarbons from Indonesian
Quite different from the Canadian oil sands in oil content/composition, mineral composition, and particle size distribution, the carbonate Indonesian asphalt rocks (oil-wetted) are proven to be poorly extracted by the commercial hot-water-based extraction (7.8% bitumen recovery at 50 °C and pH 9.0). Great enhancement was obtained using …
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Pyrolysis behavior of Indonesia oil sand by TG-FTIR and in a …
The pyrolysis behaviors of oil sand from Indonesia were investigated by thermogravimetry coupled with Fourier Transform infrared Spectrophotometer(TG-FTIR) and in a fixed bed reactor, respectively. Little differences in the mass losses with heating rates were observed. From thermogravi-metric analysis it was established that oil sand …
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Understanding the influence of microwave on the relative volatility
In this paper, pyrolysis of Indonesian oil sands (IOS) was investigated by two different heating methods to develop a better understanding of the microwave-assisted pyrolysis. Thermogravimetric analysis was conducted to study the thermal decomposition behaviors of IOS, showing that 550 °C might be the pyrolysis final temperature. A …
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Pyrolysis of an Indonesian oil sand in a thermogravimetric …
DOI: 10.1016/J.JAAP.2015.12.001 Corpus ID: 97134244; Pyrolysis of an Indonesian oil sand in a thermogravimetric analyser and a fixed-bed reactor @article{Liu2016PyrolysisOA, title={Pyrolysis of an Indonesian oil sand in a thermogravimetric analyser and a fixed-bed reactor}, author={Pengfei Liu and Mingming Zhu and Zhezi Zhang and Dongke Zhang}, …
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The rapid pyrolysis feature and evolution of heteroatoms of Indonesian …
The pyrolysis behaviors of oil sand from Indonesia were investigated by thermogravimetry coupled with Fourier Transform infrared Spectrophotometer(TG-FTIR) and in a fixed bed reactor, respectively.
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Structural changes in oil sand bitumen during pyrolysis
Qing Wang & Chunxia Jia. 257 Accesses. 7 Citations. Explore all metrics. Abstract. In this study, we investigated the chemical structure and pyrolysis …
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Experts, activists unite to blast Indonesia's U-turn on sea sand …
Indonesia will resume exporting sand dredged from the sea, commonly used in reclamation projects, ending a 20-year ban. Environmental activists and marine experts have criticized the policy ...
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Pyrolysis model of oil sand using thermogravimetric analysis
Relative to the oil sands all over the world, the activation energy of Indonesian oil sand has a moderate value. Based on the result of the ( E ) value, the kinetic mechanism for the major oil-producing stage for S1 and S2 could be determined using the integral master plot method.
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Study on the Basic Properties of Indonesian Oil Sands
Indonesian oil sands. Although the characteristics of three samples differ from one another in several aspects, there are some notable similarities can be presented as follows: Indonesian oil sands are composed mostly of ash and volatile, with very little content of fixed carbon and moderate content of moisture.
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Solvent Extraction for Separation of Indonesian Oil Sands
Indonesian oil sands are typical oil-wet and weathered oil sand ores (connate water less than 1 wt%) [1], and the SEP is more suitable for the separation of Indonesian oil. Int. J. Environ. Res. Public Health 2023, 20, 4527 3 of 12 sands [22]. The basic properties of Indonesian oil sands were examined, and the SEP was
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Understanding the pyrolysis progress physical characteristics of
The oil sand was obtained from Indonesia. By way of Soxhlet extraction, analysis showed that the oil sand contained 27.27 wt% bitumen, 1.18 wt% water and 71.55 wt% solids. The composition of the extracted bitumen was analyzed using the ASTM D4124-01 standard method [27] .
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Combustion characteristics of Indonesian oil sands
There is a great amount of oil sands in Indonesia. But they own a special feature that it is hard to extract oil from oil sands through hot water extraction or solvent …
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Pyrolysis behavior of Indonesia oil sand by TG–FTIR
The pyrolysis behaviors of oil sand from Indonesia were investigated by thermogravimetry coupled with Fourier Transform infrared Spectrophotometer(TG-FTIR) and in a fixed bed reactor, respectively.
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