Influence of Physicochemical Properties of Oil Sludge on Syngas Production for Energy Applications
Oil sludge (OS) is a hazardous waste generated in the refinery and platform production chain. Its recovery is globally limited by methods like incineration, landfilling, and stabilization, which are costly and environmentally harmful. In Brazil, advanced techniques such as gasification are still und...
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2024-12-01
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| author | Hiago Oliveira Isabela Pinheiro Ana Ramos Osvaldo Venturini Adriano Mariano York Santiago |
| author_facet | Hiago Oliveira Isabela Pinheiro Ana Ramos Osvaldo Venturini Adriano Mariano York Santiago |
| author_sort | Hiago Oliveira |
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| description | Oil sludge (OS) is a hazardous waste generated in the refinery and platform production chain. Its recovery is globally limited by methods like incineration, landfilling, and stabilization, which are costly and environmentally harmful. In Brazil, advanced techniques such as gasification are still underdeveloped compared to established practices elsewhere. This study aims to characterize the chemical and physical properties of OS to enable its recovery through energy methods, reducing environmental impacts. OS samples from oil storage tanks were analyzed using mass spectrometry, thermogravimetry, atomic absorption, proximate analysis, X-ray fluorescence, and X-ray diffraction. The viscosity was approximately 34,793 cP, with 36.41% carbon and 56.80% oxygen. The ash content was 43.218% (<i>w</i>/<i>w</i>), and the lower and upper heating values were 17.496 and 19.044 MJ/kg, respectively. Metal analysis identified lead, vanadium, manganese, and chromium. The high ash content of OS reduced gasification temperatures, increasing char yield (44.6%). Increasing the equivalence ratio (ER) led to higher gasification temperatures, producing energetic species such as H<sub>2</sub>, CH<sub>4</sub>, and CO, raising the calorific value of the resulting syngas. Subsequently, this syngas was used in gas turbine models with GasTurb software 14.0, achieving electrical output and thermal efficiency of 66.9 kW and 22.4%, respectively. OS is a persistent waste requiring gasification treatment, offering a promising solution that converts these residues into valuable syngas for energy conversion with minimal environmental impact. |
| format | Article |
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| institution | Kabale University |
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| language | English |
| publishDate | 2024-12-01 |
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| spelling | doaj-art-89efc5f81802427b8f8057ad1de8675f2025-01-24T13:48:14ZengMDPI AGResources2079-92762024-12-01141810.3390/resources14010008Influence of Physicochemical Properties of Oil Sludge on Syngas Production for Energy ApplicationsHiago Oliveira0Isabela Pinheiro1Ana Ramos2Osvaldo Venturini3Adriano Mariano4York Santiago5Laboratory of Thermal Sciences (LATERMO), Department of Mechanical Engineering (TEM/PGMEC), Universidade Federal Fluminense, Rua Passo da Pátria nº156, sala 206-D, bloco E, Niteroi 24210-240, RJ, BrazilLaboratory of Thermal Sciences (LATERMO), Department of Mechanical Engineering (TEM/PGMEC), Universidade Federal Fluminense, Rua Passo da Pátria nº156, sala 206-D, bloco E, Niteroi 24210-240, RJ, BrazilLAETA-INEGI, Associated Laboratory for Energy, Transports and Aeronautics—Institute of Science and Innovation in Mechanical and Industrial Engineering, Rua Dr. Roberto Frias, 4200-465 Porto, PortugalExcellence Group in Thermal Power and Distributed Generation (NEST), Universidade Federal de Itajubá (UNIFEI), Av. BPS 1303, Itajubá 37500-903, MG, BrazilLaboratório de Otimização, Projeto e Controle Avançado (LOPCA), Faculdade de Engenharia Química, Universidade Estadual de Campinas (UNICAMP), Av. Albert Einstein 500, Campinas 13083-852, SP, BrazilLaboratory of Thermal Sciences (LATERMO), Department of Mechanical Engineering (TEM/PGMEC), Universidade Federal Fluminense, Rua Passo da Pátria nº156, sala 206-D, bloco E, Niteroi 24210-240, RJ, BrazilOil sludge (OS) is a hazardous waste generated in the refinery and platform production chain. Its recovery is globally limited by methods like incineration, landfilling, and stabilization, which are costly and environmentally harmful. In Brazil, advanced techniques such as gasification are still underdeveloped compared to established practices elsewhere. This study aims to characterize the chemical and physical properties of OS to enable its recovery through energy methods, reducing environmental impacts. OS samples from oil storage tanks were analyzed using mass spectrometry, thermogravimetry, atomic absorption, proximate analysis, X-ray fluorescence, and X-ray diffraction. The viscosity was approximately 34,793 cP, with 36.41% carbon and 56.80% oxygen. The ash content was 43.218% (<i>w</i>/<i>w</i>), and the lower and upper heating values were 17.496 and 19.044 MJ/kg, respectively. Metal analysis identified lead, vanadium, manganese, and chromium. The high ash content of OS reduced gasification temperatures, increasing char yield (44.6%). Increasing the equivalence ratio (ER) led to higher gasification temperatures, producing energetic species such as H<sub>2</sub>, CH<sub>4</sub>, and CO, raising the calorific value of the resulting syngas. Subsequently, this syngas was used in gas turbine models with GasTurb software 14.0, achieving electrical output and thermal efficiency of 66.9 kW and 22.4%, respectively. OS is a persistent waste requiring gasification treatment, offering a promising solution that converts these residues into valuable syngas for energy conversion with minimal environmental impact.https://www.mdpi.com/2079-9276/14/1/8petroleum sludgeresidue valorizationwaste to energysyngashydrogengas turbine |
| spellingShingle | Hiago Oliveira Isabela Pinheiro Ana Ramos Osvaldo Venturini Adriano Mariano York Santiago Influence of Physicochemical Properties of Oil Sludge on Syngas Production for Energy Applications Resources petroleum sludge residue valorization waste to energy syngas hydrogen gas turbine |
| title | Influence of Physicochemical Properties of Oil Sludge on Syngas Production for Energy Applications |
| title_full | Influence of Physicochemical Properties of Oil Sludge on Syngas Production for Energy Applications |
| title_fullStr | Influence of Physicochemical Properties of Oil Sludge on Syngas Production for Energy Applications |
| title_full_unstemmed | Influence of Physicochemical Properties of Oil Sludge on Syngas Production for Energy Applications |
| title_short | Influence of Physicochemical Properties of Oil Sludge on Syngas Production for Energy Applications |
| title_sort | influence of physicochemical properties of oil sludge on syngas production for energy applications |
| topic | petroleum sludge residue valorization waste to energy syngas hydrogen gas turbine |
| url | https://www.mdpi.com/2079-9276/14/1/8 |
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