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EN
The adsorption of fatty acid, kerosene and fatty acid-kerosene on fluorapatite (001) surface were investigated by density functional theory (DFT) calculations. The results showed that the single fatty acid could form stable chemisorption on fluorapatite (001) surface by the O of fatty acids bonding with Ca1 site. The single kerosene could not be stably adsorbed on fluorapatite (001) surface because the H of kerosene did not form hydrogen bond with the O of PO43- on (001) surface (Osurf). For the coadsorption conformation, the chemisorption of fatty acid-kerosene on fluorapatite (001) surface was contributed by the interaction between O of fatty acids and Ca1, the H of kerosene did not bond with the Osurf, but the carbon chain length of kerosene has a large influence on the coadsorption. Compared with the coadsorption of fatty acid-decane, the adsorption of butyric acid-tetradecane and octanoic acid-tetradecane on fluorapatite (001) surface have greater adsorption energies and overlapping region of DOS between O 2p and Ca 4d, indicating that there is a synergistic effect between fatty acid and tetradecane. Meanwhile, the collaborative effects exist between the molecules of fatty acids. The interpenetrating adsorption of fatty acid and kerosene on the fluorapatite surface could improve the adsorption strength and density. The flotation test further confirmed that the single kerosene could not collect fluorapatite, but it could be collected by the single fatty acid. Besides, the synergistic effect between fatty acid and kerosene could increase the flotation recovery of fluorapatite.
EN
Jatropha oil was blended with kerosene in ratios; JOK0, JOK20, JOK30, JOK40 and JOK50 and benchmarked against conventional diesel fuel. The blended fuel samples was test-run on a TD110-TD115 TQ small CI engine test rig, and emission levels for the fuel samples were examined using an SQV automobile exhaust gas analyser. The JOK20 fuel sample offered a better performance in terms of higher BP, BTE, and EGT followed by; JOK30, JOK40 and JOK50 blends; and also exhibited lower SFC, BSEC and AFR, hence less fuel consuming than diesel fuel. A reduction in CO emission was recorded for JOK20, and a significant cut was also observed for JOK30, JOK40 blends with load increase.; while, JOK30, JOK40 and JOK50 samples exhibited higher CO2 and lower UHC emission levels than diesel. No traceable level of NOx emission was recorded for JOK20 fuel sample.
EN
The files kept at the Central State Historical Archive of Ukraine in Lviv are of fundamental importance for research into the issues of the oil industry in Galicia. Of particular note is the largest ensemble in the archive - fond 146: Galician Governorate in Lviv, containing the records of the central government of Galicia. This collection has preserved a rich collection of materials representing various aspects of the development of the oil industry. They dealt with issues of the occurrence of crude oil in Galicia, the acquisition and exploitation of oil plots, the extraction and processing of oil, and the construction and operation of wells and refineries. The information on the state of the oil mines in Galicia, especially in terms of meeting technical conditions, fire protection and occupational safety, is valuable. An important place is held by files depicting issues of the creation of industrial infrastructure, including the construction and maintenance of oil pipelines, the construction of storage facilities, and the railway connection to the plants. The files also contain information on the establishment and activities of domestic and foreign oil companies and joint stock companies in Galicia. Also of interest are materials on the development of the labour movement.
EN
Petroleum was of little interest to analytical chemistry scholars until the mid-19th century, as they considered it unhelpful to experiment with an explosive chemical compound with niche utility value. The discovery of oil's potential is credited to Polish pharmacists Ignacy Łukasiewicz and Jan Zeh, who performed the chemical separation of oil in a pharmacy laboratory using the scientific method of fractional distillation. The isolation of the kerosene fraction from oil was exploited by Ignacy Łukasiewicz, who created an innovative design for a lamp. Lighting with cheap kerosene became the idea of the explorer, who, with the help of Polish investors, organised the first oil mine and refinery in 1854, laying the foundation for the oil mining and petrochemical industry. Łukasiewicz's lamp, entering mass use, initiated global demand for oil. The accounts of Polish and Austrian historians on the pioneering role of Łukasiewicz in this regard support the arguments from the field of physics and analytical chemistry developed by Wojciech Roeske, who demystifies the amateurish, intuitive methods of oil purification of Łukasiewicz's predecessors, documents the merits of the Pole as a pioneer – an ancestor of the oil industry derived from the tradition of Polish pharmacy.
EN
The 19th-century oil mine in Bóbrka has retained much of its authenticity due to the fact that it has been in continuous operation since 1854. The technical facilities have survived in excellent form, and, above all, the historical spatial and landscape layout remains. This is what makes the facility not only of national, but also international importance. Due to the continuity of extraction and its industrial form, the Bóbrka mine can be described as the world's oldest, oil extraction site and thus the cradle of the oil industry.
6
Content available Black gold : the history of the energy sector
EN
The history of oil production, processing and use is centuries old. Of course, the kerosene lamp, fractional distillation yielding kerosene of unprecedented purity, industrial extraction of oil, including from beneath the seabed, purification, and pipeline transmission of natural gas, led to the explosion (sic!) of the oil industry, transportation energy, chemistry, pharmaceuticals, and many other fields.
7
Content available The future of sustainable aviation fuels
EN
Presented work has an overview character and is focused on perspectives of sustainable aviation fuels application in civil aviation sector. The mean role of SAF application is to ensure reduction of greenhouse gas emissions and aviation footprint on environment. Paper describe the combustion proces of hydrocarbon fuels and problem related to the emission of carbon dioxide to the atmosphere. Fuel consumption, CO2 emission and SAF production data was presented on the graphs. The sustainalbe aviation fuel has been characterized. Certified conversion technologies with potential feedstock used for SAF production was described. Literature studies indicate that sustainable aviation fuel is successfully used in air transport.
EN
Micro-flotation and batch flotation tests were carried out on fine (-20 µm) hematite to investigate the influences of non-polar oil when sodium oleate, octyl hydroxamic acid, or oleoyl hydroxamic acid was used as a collector. Both micro-flotation and batch flotation tests were performed using single hematite mineral and/or artificial mixed minerals (hematite:quartz = 1:1), and kerosene was utilized as the neutral oil. The experimental results showed that the addition of a kerosene emulsion benefited hematite recovery in the micro-flotation tests where a froth layer did not exist. In the batch flotation where a froth layer existed, kerosene behaved differently when used in conjunction with the three collectors. Kerosene helped improve the batch flotation when sodium oleate or oleoyl hydroxamic acid was used as a collector. However, it reduced concentrate weight yield, grade and recovery to a noticeable extent when octyl hydroxamic acid was used as a collector, especially at low dosages. In addition, single hematite batch flotation kinetics tests coupled with water recovery measurement were carried out to study the role of kerosene at different collector dosages. It was observed that water drainage and the resulting froth destabilization by kerosene was dominant at low collector dosages, especially in the flotation using octyl hydroxamic acid. At higher collector dosages, the water drainage and froth destabilization effect by kerosene was possibly counter-balanced by the higher hematite surface hydrophobicity and bubble surface tension gradient, which led to more stable froth layer.
EN
This paper reports oil agglomeration of fine metal-bearing shale particles in the presence of cationic (dodecylamine hydrochloride) and anionic (sodium dodecyl sulfate) surfactants and their mixture. The experimental results demonstrated that there was a strong relationship between zeta potential, hydrophobic coagulation, oil agglomeration and particle hydrophobicity in the presence of cationic surfactant, whereas shale neither coagulated nor agglomerated in the presence of anionic surfactant. Addition of either anionic or cationic surfactant in emulsification of a bridging oil increased the size of agglomerates and reduced the concentration of surfactant used in the suspension. The results pointed to synergism between cationic and anionic surfactants in oil agglomeration. Based on the results obtained from this study, the mechanism of oil agglomeration of shale in the presence of ionic surfactants and their mixture was elucidated.
10
EN
The hydrogen production by conversion of liquid compounds containing hydrogen was investigated experimentally. The waveguide-supplied metal cylinder-based microwave plasma source (MPS) operated at frequency of 915 MHz at atmospheric pressure was used. The decomposition of ethanol, isopropanol and kerosene was performed employing plasma dry reforming process. The liquid was introduced into the plasma in the form of vapour. The amount of vapour ranged from 0.4 to 2.4 kg/h. Carbon dioxide with the fl ow rate ranged from 1200 to 2700 NL/h was used as a working gas. The absorbed microwave power was up to 6 kW. The effect of absorbed microwave power, liquid composition, liquid fl ow rate and working gas fl ow rate was analysed. All these parameters have a clear infl uence on the hydrogen production effi ciency, which was described with such parameters as the hydrogen production rate [NL(H2)/h] and the energy yield of hydrogen production [NL(H2)/kWh]. The best achieved experimental results showed that the hydrogen production rate was up to 1116 NL(H2)/h and the energy yield was 223 NL(H2) per kWh of absorbed microwave energy. The results were obtained in the case of isopropanol dry reforming. The presented catalyst-free microwave plasma method can be adapted for hydrogen production not only from ethanol, isopropanol and kerosene, but also from different other liquid compounds containing hydrogen, like gasoline, heavy oils and biofuels.
PL
W artykule przedstawiono życie i działalność naukową Ignacego Łukasiewicza - prekursora przemysłu petrochemicznego i projektanta pierwszej lampy naftowej. Opisano historię początkowego okresu wydobycia i destylacji ropy naftowej oraz scharakteryzowano produkty jej przerobu. Omówiono również rodzaje lamp naftowych służących do oświetlenia na przełomie XIX i XX wieku.
EN
In the article the life and scientific work of Ignacy Łukasiewicz, a precursor of the Polish petroleum industry and designer of the first kerosene lamp are presented. The history of the early period of the petroleum mining and distillation is described along with products of its treatment. At last kinds of lamps used at the end of XIX and the beginning of the XX century for kerosene lighting are presented.
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