Application of Statistical Experimental Design and Surface Plot Technique to Optimize Oxygenated Apatite Synthesis

Belouafa, S.; Chaair, Hassan; Digua, Khalid

doi:10.1155/2020/1034959

Cited by 3 publications

(2 citation statements)

References 5 publications

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“…The evaluation of the incidence of treatment effects was performed by using the F distribution. The p-value statistic allows comparison with the significance value α = 0.10 [25,26] . If p < α, the null hypothesis is rejected and it is concluded that the corresponding effect is active or influences the response variable.…”

Section: Characterization Of Brick Wastementioning

confidence: 99%

Application of an experimental design in the hydrothermal synthesis of GIS-NaP zeolite from brickwall wastes

Valdivia

Ale

Gutiérrez

2022

ACE

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This article reports the results of an investigation carried out in order to obtain zeolitic material of the GIS-NaP type with high cation exchange capacity using brick waste. The hydrothermal synthesis was carried out in a stainless-steel reactor using NaOH activating solutions at concentrations of 2.0, 2.5 and 3.0 M, activation temperatures of 100, 120 and 140 ℃ and activation times of 7, 8 and 9 hours. The product obtained was characterized by X-ray Fluorescence, Scanning Electron Microscopy (SEM), X-ray Diffraction, and Cation Exchange Capacity (CEC).The results obtained showed that for the hydrothermal conversion test at 140 ℃/2 M/7 hours, GIS-NaP synthetic zeolite with a cation exchange capacity equal to 163.5 meq/100 g was obtained. The statistical analysis, applying a factorial experimental design, indicated that the main factors with a great effect on the cation exchange capacity (CEC) are the activation temperature and the interaction between it and the concentration of the activating solution, with a degree of significance of 0.049250 and 0.056631 for a confidence level of 90.82%. An empirical mathematical model was developed and validated by applying ANOVA analysis that considers the interaction effects of all factors and was optimized by applying the response surface methodology.

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Section: Characterization Of Brick Wastementioning

confidence: 99%

Application of an experimental design in the hydrothermal synthesis of GIS-NaP zeolite from brickwall wastes

Valdivia

Ale

Gutiérrez

2022

ACE

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“…El resultado del análisis ANOVA para el modelo factorial considera la suma de los cuadrados de los tratamientos (SS), los grados de libertad (df), la suma de los cuadrados de los medios (MS). La evaluación de la incidencia del tratamiento de los efectos se realizó mediante el uso de la distribución F. El estadístico valor-p, permite la comparación con el valor de significancia α = 0.10 [25,26]. Si p<α, se rechaza la hipótesis nula y se concluye que el correspondiente efecto está activo o influye en la variable respuesta.…”

Section: Difracción De Rayos Xunclassified

APLICACIÓN DE UN DISEÑO EXPERIMENTAL EN LA SÍNTESIS HIDROTERMAL DE ZEOLITA Gis-NaP A PARTIR DE RESIDUOS DE LADRILLO

Valdivia¹,

Ale²,

Gutiérrez³

2021

Rev. Bol. Quim.

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El presente artículo reporta los resultados de una investigación efectuada a fin de obtener material zeolítico del tipo Gis-NaP con alta capacidad de intercambiar cationes utilizando residuos de ladrillos. La síntesis hidrotermal se realizó en un reactor de acero inoxidable utilizando soluciones activantes de NaOH a concentraciones de 2.0, 2.5 y 3.0 M, temperaturas de activación de 100, 120 y 140ºC y tiempos de activación de 7, 8 y 9 horas. El producto obtenido se caracterizó mediante, Fluorescencia de rayos X, Microscópico Electrónico de barrido (SEM), Difracción de rayos X, y la capacidad de intercambio catiónico (CIC). Los resultados obtenidos mostraron que para la prueba de conversión hidrotermal a la condición de 140°C/2M/7horas, se obtiene zeolita sintética Gis- NaP con una capacidad de intercambio catiónico igual a 163.5 meq/100g. El análisis estadístico aplicando un diseño experimental factorial, indicó que los principales factores con gran efecto sobre la capacidad de intercambio catiónico (CIC) son la temperatura de activación y la interacción entre ésta y la concentración de la solución activante, con un grado de significancia de 0.049250 y 0.056631 para un nivel de confianza de 90.82%. Se desarrolló un modelo matemático empírico y validado aplicando el análisis ANOVA que considera los efectos de interacción de todos los factores y que fue optimizado aplicando la metodología de superficie de respuesta.

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Research and Review of Clay and Glass Fiber Reinforced Polyester Nanocomposite Materials Using Optimization Techniques

Paulraj¹,

Kumar

Iqbal

et al. 2021

Surf. Rev. Lett.

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Drilling process plays a vital role in the development of polymer clay nanocomposites. The effects of various parameters, such as tool, feed rate and speed to generate the impact on tangential force, thrust force and delamination factor acting on the material in production are studied during drilling operations in the aerospace and automotive industries. The input variable settings to adjust the speed and feed rate to show the outcomes of tangential force, thrust force and delamination factor of the material according to the consumption of the parts in the next stage of manufacturing are calculated by efficient feed rate optimization. A series of tests are performed by changing tools such as High speed steel (HSS), end mill (HEM), High speed steel (HSS), twist drill (HTD) and carbide twist drill (CTD) on various materials to evaluate the influence on the feed rate and speed. Based on the experimental analysis, mathematical modeling is implemented to study the properties of glass fiber reinforced polyester nanocomposite (GFRPNC; 3[Formula: see text]wt.%). Using the desirability approach, the optimum operating conditions of the selected process variables are considered to minimize delamination. A full factorial experiment design is adopted using the two fundamental concepts of replication and randomization of experimental design to research the relationship between the variables. Based on the analysis of variance (ANOVA), the process model is formulated using the Minitab[Formula: see text] statistical kit. It is inferred that the delamination factor is minimal for all tools (CTD, HTD and HEM) at 0.1[Formula: see text]mm/rev feed rate and speed at 852[Formula: see text]rpm.

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Application of Statistical Experimental Design and Surface Plot Technique to Optimize Oxygenated Apatite Synthesis

Cited by 3 publications

References 5 publications

Application of an experimental design in the hydrothermal synthesis of GIS-NaP zeolite from brickwall wastes

Application of an experimental design in the hydrothermal synthesis of GIS-NaP zeolite from brickwall wastes

APLICACIÓN DE UN DISEÑO EXPERIMENTAL EN LA SÍNTESIS HIDROTERMAL DE ZEOLITA Gis-NaP A PARTIR DE RESIDUOS DE LADRILLO

Research and Review of Clay and Glass Fiber Reinforced Polyester Nanocomposite Materials Using Optimization Techniques

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