Natural Gas Conversion and Liquid/Solid Organic Waste Gasification by Ultra-Superheated Steam

Sergey M. Frolov, Viktor A. Smetanyuk, Ilias A. Sadykov, Anton S. Silantiev, Igor O. Shamshin, Viktor S. Aksenov, Konstantin A. Avdeev and Fedor S. Frolov
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Sergey M. Frolov: Semenov Federal Research Center for Chemical Physics of the Russian Academy of Sciences, Department of Combustion and Explosion, 119991 Moscow, Russia
Viktor A. Smetanyuk: Semenov Federal Research Center for Chemical Physics of the Russian Academy of Sciences, Department of Combustion and Explosion, 119991 Moscow, Russia
Ilias A. Sadykov: Semenov Federal Research Center for Chemical Physics of the Russian Academy of Sciences, Department of Combustion and Explosion, 119991 Moscow, Russia
Anton S. Silantiev: Semenov Federal Research Center for Chemical Physics of the Russian Academy of Sciences, Department of Combustion and Explosion, 119991 Moscow, Russia
Igor O. Shamshin: Semenov Federal Research Center for Chemical Physics of the Russian Academy of Sciences, Department of Combustion and Explosion, 119991 Moscow, Russia
Viktor S. Aksenov: Semenov Federal Research Center for Chemical Physics of the Russian Academy of Sciences, Department of Combustion and Explosion, 119991 Moscow, Russia
Konstantin A. Avdeev: Semenov Federal Research Center for Chemical Physics of the Russian Academy of Sciences, Department of Combustion and Explosion, 119991 Moscow, Russia
Fedor S. Frolov: Semenov Federal Research Center for Chemical Physics of the Russian Academy of Sciences, Department of Combustion and Explosion, 119991 Moscow, Russia

Energies, 2022, vol. 15, issue 10, 1-19

Abstract: The technology of a pulsed detonation gun for gasification of organic waste with ultra-superheated steam has been experimentally demonstrated for the first time. Experiments were performed on natural gas conversion as well as on the gasification of liquid (waste machine oil) and solid (wood sawdust) waste by hot detonation products of natural gas–oxygen mixture at a frequency of detonation pulses f = 1 Hz. Periodic release of detonation products to a 100 L flow reactor provided a time-averaged mean temperature and pressure in the reactor at about 1200 K and 0.1 MPa. It is shown that the technology of a pulsed detonation gun can provide complete (100%) natural gas conversion to syngas containing H 2 and CO with a H 2 /CO ratio of 1.25. During the gasification of liquid and solid wastes, the total volume fraction of combustible gases (H 2 , CO, and CH 4 ) in the product syngas was 80 and 65% with H 2 /CO ratios of 0.8 and 0.5, respectively. Comparison of the experiments on natural gas conversion and liquid/solid organic waste gasification under the same conditions at f = 1 Hz showed that the composition of the product syngas in terms of H 2 and CO content almost did not depend on the type of used feedstock. The estimated ideal energy gain defined as the ratio of the total energy of product syngas to the energy spent in its production from dry wood sawdust is about 4.6, i.e., the pulsed detonation technology of biomass gasification is economically very attractive.

Keywords: natural gas conversion; liquid/solid waste gasification; ultra-superheated steam; pulsed detonation gun technology (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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