Thermodynamic analysis of the influence of potassium on the thermal behavior of kaolin raw material

• Autorzy: Hernández-Chávez Macaria , Vargas-Ramírez Marissa , Herrera-González Ana Maria , García-Serrano Jesús , Cruz-Ramírez Alejandro , Romero-Serrano José Antonio , Sánchez-Alvarado Ricardo Gerardo

Identyfikatory

DOI

10.37190/ppmp/128393

• Języki publikacji: EN

Abstrakty

EN

The mineralogy and thermal properties of two kaolin clay samples from Agua Blanca (Hidalgo-México) were determined by XRD, SEM-EDS, TGA-DSC techniques. Kaolin clay A contains a higher Al₂O₃ and lower impurities (K₂O, TiO₂, Fe₂O₃) amount than kaolin clay B, while the SiO₂ amount is similar for both kaolin clays. A theoretical approach was carried out by a thermodynamic analysis considering the chemical composition of both kaolin clay samples with the FactSage 7.3 software. Stability phase diagrams were obtained to different K₂O content from 0.1 to 3 wt % and temperatures in the range from 600 to 1600°C based on the chemical composition of the kaolin clay samples. The main mineralogical compounds predicted are andalusite (Al₂O₃•SiO₂), K-Potash feldspar (K₂O•Al₂O₃•6SiO₂), and the SiO₂ polymorphs (quartz, tridymite, and cristobalite) with small amounts of ferric-pseudobrookite (Fe₂O₅Ti), and rutile (TiO₂). As K₂O content is increased, the amounts of mullite and tridymite decrease meanwhile the potash feldspar is increased at high temperatures. A liquid phase is formed at around 1350 and 1400°C for the kaolin clay samples A and B, respectively. The viscosity of the melt is increased for the evaluated K₂O additions to 1400, 1500, and 1600°C.

Słowa kluczowe

EN

kaolin; thermal treatment; thermodynamic analysis; viscosity

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Physicochemical Problems of Mineral Processing
• Rocznik: 2021
• Tom: Vol. 57, iss. 1
• Strony: 39--52
• Opis fizyczny: Bibliogr. 41 poz., rys., fot.

Twórcy

autor

Hernández-Chávez Macaria

• Departamento de Formación Básica Disciplinaria. Instituto Politécnico Nacional –Unidad Profesional Interdisciplinaria de Ingeniería campus Hidalgo (UPIIH-IPN), México
• Universidad Autónoma del Estado de Hidalgo (UAEH) - Instituto de Ciencias Básicas e Ingeniería

autor

Vargas-Ramírez Marissa

• Universidad Autónoma del Estado de Hidalgo (UAEH) - Instituto de Ciencias Básicas e Ingeniería

autor

Herrera-González Ana Maria

• Universidad Autónoma del Estado de Hidalgo (UAEH) - Instituto de Ciencias Básicas e Ingeniería

autor

García-Serrano Jesús

• Universidad Autónoma del Estado de Hidalgo (UAEH) - Instituto de Ciencias Básicas e Ingeniería

autor

Cruz-Ramírez Alejandro

• Departamento de Formación Básica Disciplinaria. Instituto Politécnico Nacional –Unidad Profesional Interdisciplinaria de Ingeniería campus Hidalgo (UPIIH-IPN), México
• Departamento de Ingeniería en Metalurgia y Materiales. Instituto Politécnico Nacional –Escuela Superior de Ingeniería Química e Industrias Extractivas (ESIQIE-IPN), México

• https://orcid.org/0000-0002-0972-596X

autor

Romero-Serrano José Antonio

• Departamento de Ingeniería en Metalurgia y Materiales. Instituto Politécnico Nacional –Escuela Superior de Ingeniería Química e Industrias Extractivas (ESIQIE-IPN), México

autor

Sánchez-Alvarado Ricardo Gerardo

• Departamento de Ingeniería en Metalurgia y Materiales. Instituto Politécnico Nacional –Escuela Superior de Ingeniería Química e Industrias Extractivas (ESIQIE-IPN), México

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).