ACCELERATED TEST TO DETERMINE THE CORROSION BEHAVIOR OF STEELS IN BOILERS BURNING SUGARCANE BIOMASS
Introduction: In order to increase the percentage of sugarcane agricultural residues used in a mixture with bagasse to generate electricity in biomass boilers, it is necessary to study the corrosion behavior caused in superheater tubes due to its high content of alkalis and chlorides compared to bag...
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Universidad Central "Marta Abreu" de Las Villas
2025-02-01
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| Series: | Revista Centro Azúcar |
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| Online Access: | http://centroazucar.uclv.edu.cu/index.php/centro_azucar/article/view/830 |
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| author | Abel Rivas Gutierrez Carlos Lariot Sánchez Beatriz Concepción Rosabal Lizet Rodríguez Machín |
| author_facet | Abel Rivas Gutierrez Carlos Lariot Sánchez Beatriz Concepción Rosabal Lizet Rodríguez Machín |
| author_sort | Abel Rivas Gutierrez |
| collection | DOAJ |
| description | Introduction:
In order to increase the percentage of sugarcane agricultural residues used in a mixture with bagasse to generate electricity in biomass boilers, it is necessary to study the corrosion behavior caused in superheater tubes due to its high content of alkalis and chlorides compared to bagasse.
Objective:
To develop a tentative accelerated test, at laboratory scale, to predict the corrosion behavior, in high temperature zones, of type steels used in the superheater of high parameter steam generators.
Materials and Methods:
Metallography of steels, determination of composition and creation of synthetic ash to be used, corrosion rate calculation and analysis at the steel/oxides/deposits interface.
Results and Discussion:
In both steels studied, an increase in the corrosion rate was observed for the synthetic ash composition of the similar composition to that of higher concentration of sugarcane agriculture residues. Similarly, a greater thickness of oxide layers was observed when the steels were treated with synthetic ashes of composition similar to that of higher percentage of residues mixed with bagasse.
Conclusions:
This study carried out allowed to determine, comparatively, the behavior in the first stages of corrosion at 540 °C of two steels used in the construction of high-parameter superheaters boilers attacked by ashes simulating those formed in the combustion of different concentrations of sugarcane agricultural residues mixed with bagasse. |
| format | Article |
| id | doaj-art-803693e25c7b41e7a4ed320ff618b089 |
| institution | OA Journals |
| issn | 2223-4861 |
| language | English |
| publishDate | 2025-02-01 |
| publisher | Universidad Central "Marta Abreu" de Las Villas |
| record_format | Article |
| series | Revista Centro Azúcar |
| spelling | doaj-art-803693e25c7b41e7a4ed320ff618b0892025-08-20T02:10:49ZengUniversidad Central "Marta Abreu" de Las VillasRevista Centro Azúcar2223-48612025-02-0152e1097e1097818ACCELERATED TEST TO DETERMINE THE CORROSION BEHAVIOR OF STEELS IN BOILERS BURNING SUGARCANE BIOMASSAbel Rivas Gutierrez0https://orcid.org/0009-0001-8807-5976Carlos Lariot Sánchez1https://orcid.org/0000-0002-8727-3575Beatriz Concepción Rosabal2https://orcid.org/0000-0003-1418-2186Lizet Rodríguez Machín3https://orcid.org/0000-0001-8251-4440Instituto de Ciencia y Tecnología de Materiales (IMRE). Universidad de la Habana, La Habana, Cuba.Instituto de Ciencia y Tecnología de Materiales (IMRE). Universidad de la Habana, La Habana, Cuba.Instituto de Ciencia y Tecnología de Materiales (IMRE). Universidad de la Habana, La Habana, Cuba.Centro de Estudios Energéticos y Tecnologías Ambientales (CEETA). Facultad de Ingeniería Mecánica e Industrial. Universidad Central "Marta Abreu" de Las Villas, Santa Clara, Villa Clara, Cuba.Introduction: In order to increase the percentage of sugarcane agricultural residues used in a mixture with bagasse to generate electricity in biomass boilers, it is necessary to study the corrosion behavior caused in superheater tubes due to its high content of alkalis and chlorides compared to bagasse. Objective: To develop a tentative accelerated test, at laboratory scale, to predict the corrosion behavior, in high temperature zones, of type steels used in the superheater of high parameter steam generators. Materials and Methods: Metallography of steels, determination of composition and creation of synthetic ash to be used, corrosion rate calculation and analysis at the steel/oxides/deposits interface. Results and Discussion: In both steels studied, an increase in the corrosion rate was observed for the synthetic ash composition of the similar composition to that of higher concentration of sugarcane agriculture residues. Similarly, a greater thickness of oxide layers was observed when the steels were treated with synthetic ashes of composition similar to that of higher percentage of residues mixed with bagasse. Conclusions: This study carried out allowed to determine, comparatively, the behavior in the first stages of corrosion at 540 °C of two steels used in the construction of high-parameter superheaters boilers attacked by ashes simulating those formed in the combustion of different concentrations of sugarcane agricultural residues mixed with bagasse.http://centroazucar.uclv.edu.cu/index.php/centro_azucar/article/view/830ashbiomasscorrosionsteelsuperheater |
| spellingShingle | Abel Rivas Gutierrez Carlos Lariot Sánchez Beatriz Concepción Rosabal Lizet Rodríguez Machín ACCELERATED TEST TO DETERMINE THE CORROSION BEHAVIOR OF STEELS IN BOILERS BURNING SUGARCANE BIOMASS Revista Centro Azúcar ash biomass corrosion steel superheater |
| title | ACCELERATED TEST TO DETERMINE THE CORROSION BEHAVIOR OF STEELS IN BOILERS BURNING SUGARCANE BIOMASS |
| title_full | ACCELERATED TEST TO DETERMINE THE CORROSION BEHAVIOR OF STEELS IN BOILERS BURNING SUGARCANE BIOMASS |
| title_fullStr | ACCELERATED TEST TO DETERMINE THE CORROSION BEHAVIOR OF STEELS IN BOILERS BURNING SUGARCANE BIOMASS |
| title_full_unstemmed | ACCELERATED TEST TO DETERMINE THE CORROSION BEHAVIOR OF STEELS IN BOILERS BURNING SUGARCANE BIOMASS |
| title_short | ACCELERATED TEST TO DETERMINE THE CORROSION BEHAVIOR OF STEELS IN BOILERS BURNING SUGARCANE BIOMASS |
| title_sort | accelerated test to determine the corrosion behavior of steels in boilers burning sugarcane biomass |
| topic | ash biomass corrosion steel superheater |
| url | http://centroazucar.uclv.edu.cu/index.php/centro_azucar/article/view/830 |
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