A Thermal Study on Peat Oxidation Behavior in the Presence of an Iron-Based Catalyst

Peat is a resource used for heat and energy, particularly in countries where peat is abundant and conventional fuels are not available. Some countries have made extensive use of peat resources to produce electricity and heat in addition to light hydrocarbons. By doing so, they were able to reduce th...

Descripción completa

Guardado en:

Detalles Bibliográficos
Autores principales:	Mohammed A. Khelkhal, Semen E. Lapuk, Nikita E. Ignashev, Alexey A. Eskin, Mikhail Yu. Glyavin, Nikolay Yu. Peskov, Tatiana O. Krapivnitskaia, Alexey V. Vakhin
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	unconventional resources peat oxidation thermal analysis catalysts iron oxide nanoparticles Chemical technology TP1-1185 Chemistry QD1-999
Acceso en línea:	https://doaj.org/article/ff9e436ff16940bcb8e9db2dd854976e
Etiquetas:	Agregar Etiqueta Sin Etiquetas, Sea el primero en etiquetar este registro!

id	oai:doaj.org-article:ff9e436ff16940bcb8e9db2dd854976e
record_format	dspace
spelling	oai:doaj.org-article:ff9e436ff16940bcb8e9db2dd854976e2021-11-25T17:06:08ZA Thermal Study on Peat Oxidation Behavior in the Presence of an Iron-Based Catalyst10.3390/catal111113442073-4344https://doaj.org/article/ff9e436ff16940bcb8e9db2dd854976e2021-11-01T00:00:00Zhttps://www.mdpi.com/2073-4344/11/11/1344https://doaj.org/toc/2073-4344Peat is a resource used for heat and energy, particularly in countries where peat is abundant and conventional fuels are not available. Some countries have made extensive use of peat resources to produce electricity and heat in addition to light hydrocarbons. By doing so, they were able to reduce the cost of importing fossil fuels. To the best of our knowledge, there is a lack of a detailed description of the peat oxidation process in the presence of other substances. Herein, the process of peat oxidation was studied in-depth by means of thermal analysis in the presence of iron tallate acting as a catalytic agent. Differential scanning calorimetry and thermogravimetric analysis demonstrated an oil-like oxidation behavior during the combustion of the used peat. The process of peat oxidation includes two main regions: low-temperature oxidation (LTO), which occurs during the oxidation of light hydrocarbons, followed by the so-called high-temperature oxidation (HTO), which includes the oxidation of the obtained coke-like product. Moreover, the application of non-isothermal kinetics experiments based on the isoconversional and model approach principle have confirmed the role of 2% iron tallate in peat mass by improving the oxidation rate at low- and high-temperature oxidation (HTO) regions. The results obtained from this study have proven that the added catalyst improves efficiency with regards to the energy activation in the process by leading to its significant decrease from 110.8 ± 7.8 kJ/mol to 81.8 ± 7.5 kJ/mol for LTO and from 157.8 ± 19.1 kJ/mol to 137.6 ± 9.3 kJ/mol for HTO. These findings clearly confirm the improvement in the rate of the process by shifting the LTO and HTO peaks to lower regions in the presence of the catalyst. These results further emphasize the possible impact which could be generated by the application of thermally enhanced oil recovery methods on peat development and exploitation.Mohammed A. KhelkhalSemen E. LapukNikita E. IgnashevAlexey A. EskinMikhail Yu. GlyavinNikolay Yu. PeskovTatiana O. KrapivnitskaiaAlexey V. VakhinMDPI AGarticleunconventional resourcespeatoxidationthermal analysiscatalystsiron oxide nanoparticlesChemical technologyTP1-1185ChemistryQD1-999ENCatalysts, Vol 11, Iss 1344, p 1344 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	unconventional resources peat oxidation thermal analysis catalysts iron oxide nanoparticles Chemical technology TP1-1185 Chemistry QD1-999
spellingShingle	unconventional resources peat oxidation thermal analysis catalysts iron oxide nanoparticles Chemical technology TP1-1185 Chemistry QD1-999 Mohammed A. Khelkhal Semen E. Lapuk Nikita E. Ignashev Alexey A. Eskin Mikhail Yu. Glyavin Nikolay Yu. Peskov Tatiana O. Krapivnitskaia Alexey V. Vakhin A Thermal Study on Peat Oxidation Behavior in the Presence of an Iron-Based Catalyst
description	Peat is a resource used for heat and energy, particularly in countries where peat is abundant and conventional fuels are not available. Some countries have made extensive use of peat resources to produce electricity and heat in addition to light hydrocarbons. By doing so, they were able to reduce the cost of importing fossil fuels. To the best of our knowledge, there is a lack of a detailed description of the peat oxidation process in the presence of other substances. Herein, the process of peat oxidation was studied in-depth by means of thermal analysis in the presence of iron tallate acting as a catalytic agent. Differential scanning calorimetry and thermogravimetric analysis demonstrated an oil-like oxidation behavior during the combustion of the used peat. The process of peat oxidation includes two main regions: low-temperature oxidation (LTO), which occurs during the oxidation of light hydrocarbons, followed by the so-called high-temperature oxidation (HTO), which includes the oxidation of the obtained coke-like product. Moreover, the application of non-isothermal kinetics experiments based on the isoconversional and model approach principle have confirmed the role of 2% iron tallate in peat mass by improving the oxidation rate at low- and high-temperature oxidation (HTO) regions. The results obtained from this study have proven that the added catalyst improves efficiency with regards to the energy activation in the process by leading to its significant decrease from 110.8 ± 7.8 kJ/mol to 81.8 ± 7.5 kJ/mol for LTO and from 157.8 ± 19.1 kJ/mol to 137.6 ± 9.3 kJ/mol for HTO. These findings clearly confirm the improvement in the rate of the process by shifting the LTO and HTO peaks to lower regions in the presence of the catalyst. These results further emphasize the possible impact which could be generated by the application of thermally enhanced oil recovery methods on peat development and exploitation.
format	article
author	Mohammed A. Khelkhal Semen E. Lapuk Nikita E. Ignashev Alexey A. Eskin Mikhail Yu. Glyavin Nikolay Yu. Peskov Tatiana O. Krapivnitskaia Alexey V. Vakhin
author_facet	Mohammed A. Khelkhal Semen E. Lapuk Nikita E. Ignashev Alexey A. Eskin Mikhail Yu. Glyavin Nikolay Yu. Peskov Tatiana O. Krapivnitskaia Alexey V. Vakhin
author_sort	Mohammed A. Khelkhal
title	A Thermal Study on Peat Oxidation Behavior in the Presence of an Iron-Based Catalyst
title_short	A Thermal Study on Peat Oxidation Behavior in the Presence of an Iron-Based Catalyst
title_full	A Thermal Study on Peat Oxidation Behavior in the Presence of an Iron-Based Catalyst
title_fullStr	A Thermal Study on Peat Oxidation Behavior in the Presence of an Iron-Based Catalyst
title_full_unstemmed	A Thermal Study on Peat Oxidation Behavior in the Presence of an Iron-Based Catalyst
title_sort	thermal study on peat oxidation behavior in the presence of an iron-based catalyst
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/ff9e436ff16940bcb8e9db2dd854976e
work_keys_str_mv	AT mohammedakhelkhal athermalstudyonpeatoxidationbehaviorinthepresenceofanironbasedcatalyst AT semenelapuk athermalstudyonpeatoxidationbehaviorinthepresenceofanironbasedcatalyst AT nikitaeignashev athermalstudyonpeatoxidationbehaviorinthepresenceofanironbasedcatalyst AT alexeyaeskin athermalstudyonpeatoxidationbehaviorinthepresenceofanironbasedcatalyst AT mikhailyuglyavin athermalstudyonpeatoxidationbehaviorinthepresenceofanironbasedcatalyst AT nikolayyupeskov athermalstudyonpeatoxidationbehaviorinthepresenceofanironbasedcatalyst AT tatianaokrapivnitskaia athermalstudyonpeatoxidationbehaviorinthepresenceofanironbasedcatalyst AT alexeyvvakhin athermalstudyonpeatoxidationbehaviorinthepresenceofanironbasedcatalyst AT mohammedakhelkhal thermalstudyonpeatoxidationbehaviorinthepresenceofanironbasedcatalyst AT semenelapuk thermalstudyonpeatoxidationbehaviorinthepresenceofanironbasedcatalyst AT nikitaeignashev thermalstudyonpeatoxidationbehaviorinthepresenceofanironbasedcatalyst AT alexeyaeskin thermalstudyonpeatoxidationbehaviorinthepresenceofanironbasedcatalyst AT mikhailyuglyavin thermalstudyonpeatoxidationbehaviorinthepresenceofanironbasedcatalyst AT nikolayyupeskov thermalstudyonpeatoxidationbehaviorinthepresenceofanironbasedcatalyst AT tatianaokrapivnitskaia thermalstudyonpeatoxidationbehaviorinthepresenceofanironbasedcatalyst AT alexeyvvakhin thermalstudyonpeatoxidationbehaviorinthepresenceofanironbasedcatalyst
_version_	1718412752811196416

A Thermal Study on Peat Oxidation Behavior in the Presence of an Iron-Based Catalyst

Ejemplares similares