Low-Emission Waste-to-Energy Method of Liquid Fuel Combustion with a Mixture of Superheated Steam and Carbon Dioxide

Ivan Sadkin, Mariia Mukhina, Evgeny Kopyev (), Oleg Sharypov and Sergey Alekseenko
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Ivan Sadkin: Kutateladze Institute of Thermophysics SB RAS, Novosibirsk 630090, Russia
Mariia Mukhina: Kutateladze Institute of Thermophysics SB RAS, Novosibirsk 630090, Russia
Evgeny Kopyev: Kutateladze Institute of Thermophysics SB RAS, Novosibirsk 630090, Russia
Oleg Sharypov: Kutateladze Institute of Thermophysics SB RAS, Novosibirsk 630090, Russia
Sergey Alekseenko: Kutateladze Institute of Thermophysics SB RAS, Novosibirsk 630090, Russia

Energies, 2023, vol. 16, issue 15, 1-16

Abstract: Waste-to-energy approaches, aimed at using cheap energy carriers (oil production and refining waste, etc.), require the creation of new technologies with high energy efficiency and low emissions. One of the environmentally friendly methods is a superheated steam injection (SIM) into the combustion zone. At the same time, trends in CO 2 reduction and recycling make carbon dioxide more attractive to use together with, or instead of, steam. This paper experimentally investigated the possibility of upgrading SIM to steam and the carbon dioxide injection method (SCIM) or the carbon dioxide injection method (CIM), where superheated steam and carbon dioxide are supplied together or completely replaced by CO 2 . In the example of diesel fuel, the characteristics of the combustion of liquid hydrocarbons in the presence of a mixture of superheated steam with CO 2 in a spray burner are obtained and compared. It shows that a high completeness of fuel combustion is observed for all the studied modes. The analysis of combustion product composition demonstrates that when replacing the superheated steam with carbon dioxide, the levels of CO and NO x in the combustion products increase by 25%. All the investigated regimes comply with the EN:267 standard. The results obtained show that it is possible to realize SCIM and CIM approaches for waste-to-energy with the use of CO 2 .

Keywords: low-emission combustion; waste-to-energy; carbon dioxide; superheated steam; NO x reduction; steam injection method; carbon dioxide injection method (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: 2023
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