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Steam Pyrolysis of Oil Sludge for Energy-Valuable Products

Laboratory of Catalysis and Conversion of Carbonaceous Materials to Obtain Useful Products, Gorbachev Kuzbass State Technical University, 650000 Kemerovo, Russia
School of Energy & Power Engineering, National Research Tomsk Polytechnic University, 634050 Tomsk, Russia
Laboratory of Catalysis and Processing of Hydrocarbons, National University of Science and Technology “MISIS”, 119049 Moscow, Russia
Author to whom correspondence should be addressed.
Academic Editor: Janusz Lasek
Appl. Sci. 2022, 12(3), 1012;
Received: 4 December 2021 / Revised: 12 January 2022 / Accepted: 17 January 2022 / Published: 19 January 2022
Experimental studies of the steam pyrolysis of oil sludge were performed using a flow-type pilot plant with 300 kg/h capacity (raw material) to obtain energy-valuable products, such as liquid hydrocarbons (30.4 wt%), semi-coke (39.6 wt%), non-condensable gas-phase compounds (26.5 wt%), and bitumen (3.5 wt%). The pyrolysis process was conducted at a temperature of 650 ° C and with a steam flow rate of 150 kg/h. Liquid hydrocarbons were considered a target product. Comprehensive studies of their physicochemical characteristics, atomization process, droplet ignition, and combustion were carried out. The studied sample had physicochemical characteristics similar to traditional fuel oil (calorific value—42.6 MJ/kg, sulfur content—0.8 wt%). The jet spraying angle was 25° in view of the improved rheological properties of the test sample, with a homogeneous jet structure and a predominant droplet diameter of no more than 0.4 mm. The flame combustion process was accompanied by the formation of microexplosions, the frequency and intensity of which depended on the temperature of the air (Tg = 450–700 °C). This study, in view of its applied nature, is of interest in the design of new installations and technological systems for hydrocarbon pyrolysis. View Full-Text
Keywords: oil sludge; steam pyrolysis; semi-coke; non-condensable gas; liquid hydrocarbons; spray; combustion oil sludge; steam pyrolysis; semi-coke; non-condensable gas; liquid hydrocarbons; spray; combustion
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MDPI and ACS Style

Larionov, K.; Kaltaev, A.; Slyusarsky, K.; Gvozdyakov, D.; Zenkov, A.; Kirgina, M.; Bogdanov, I.; Gubin, V. Steam Pyrolysis of Oil Sludge for Energy-Valuable Products. Appl. Sci. 2022, 12, 1012.

AMA Style

Larionov K, Kaltaev A, Slyusarsky K, Gvozdyakov D, Zenkov A, Kirgina M, Bogdanov I, Gubin V. Steam Pyrolysis of Oil Sludge for Energy-Valuable Products. Applied Sciences. 2022; 12(3):1012.

Chicago/Turabian Style

Larionov, Kirill, Albert Kaltaev, Konstantin Slyusarsky, Dmitriy Gvozdyakov, Andrey Zenkov, Maria Kirgina, Ilya Bogdanov, and Vladimir Gubin. 2022. "Steam Pyrolysis of Oil Sludge for Energy-Valuable Products" Applied Sciences 12, no. 3: 1012.

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