Potential use of alluvial clays from Monoun in ceramics by adding feldspar from Batie (West-Cameroon) as a fluxing agent

Abstract The present study focuses on the use of feldspars from Batie granites (West-Cameroon) as a fluxing agent in ceramic applications, in order to reduce the energy cost of brick manufacture. Three alluvial clays were collected in the field using an auger and the feldspar sample was collected by...

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Autores principales:	Gervaise Kieufack, Isaac Yannick Bomeni, François Ngapgue, Arlin Bruno Tchamba, Michel Bertrand Mbog, Serge Tchounang Kouonang, Armand Sylvain Ludovic Wouatong
Formato:	article
Lenguaje:	EN
Publicado:	Springer 2021
Materias:	Alluvial clays Feldspar Ceramic test Technological properties Science Q Technology T
Acceso en línea:	https://doaj.org/article/f66016d772f5462d9903e8156e25e72a
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spelling	oai:doaj.org-article:f66016d772f5462d9903e8156e25e72a2021-11-08T10:44:26ZPotential use of alluvial clays from Monoun in ceramics by adding feldspar from Batie (West-Cameroon) as a fluxing agent10.1007/s42452-021-04837-52523-39632523-3971https://doaj.org/article/f66016d772f5462d9903e8156e25e72a2021-11-01T00:00:00Zhttps://doi.org/10.1007/s42452-021-04837-5https://doaj.org/toc/2523-3963https://doaj.org/toc/2523-3971Abstract The present study focuses on the use of feldspars from Batie granites (West-Cameroon) as a fluxing agent in ceramic applications, in order to reduce the energy cost of brick manufacture. Three alluvial clays were collected in the field using an auger and the feldspar sample was collected by hammering. Mineralogical, physical and geochemical analysis of alluvial clays samples were carried out, as well as the microscopy analysis of feldspar. The specimen of fired bricks was formulated with different proportions of feldspar (0%, 10%, 15%, 20%, and 25%) and calcined respectively at 750 °C, 850 °C, 950 °C and 1050 °C in an electric furnace. The physical analysis of the clay material showed a well graded granulometry composed of 3% gravel, 10% coarse sand, 23% fine sand, 13% silt and 51% clay. Thin section microscopic analysis revealed essentially perthites. The mineralogical analysis obtained by XRD on total powder shows that the alluvial clays are composed essentially of: 55.8% of total clays; 19.2% quartz; 14.2% goethite; 8.5% K feldspar; 1.2% anatase; 0.7% hematite and 0.4% gibbsite. Geochemical analysis shows that clay material consists of: SiO2, Al2O3, Fe2O3, TiO2, P2O5, MgO, CaO and K2O. The ceramic tests carried out on these bricks showed that their colors were red for all the formulations and temperatures tested. The sound of the bricks is metallic for the formulations of 20 and 25% of feldspar as from 850 °C. The flexural strength (greater than 3 MPa) and compressive strength (10–20 MPa) obtained at 20 and 25% of feldspar meet the standard of traditional ceramics requirements. The bricks obtained at 20 and 25% of feldspar and at a sintering temperature below 850 °C have good technological properties. It was observed that brick formulations with 0% of feldspar fired between 950 and 1000 °C are similar to those of 20 and 25% of feldspar fired at 850 °C). Highlights The alluvial clays from Monoun characterized have highest proportion of kaolinite and good mechanical properties (950 and 1050 °C). Thin section microscopic analysis of Batie feldspar revealed essentially perthites. The brick formulations with 0% of feldspar fired between 950 and 1050 °C are similar to those of 20 and 25% of feldspar fired at 850 °C.Gervaise KieufackIsaac Yannick BomeniFrançois NgapgueArlin Bruno TchambaMichel Bertrand MbogSerge Tchounang KouonangArmand Sylvain Ludovic WouatongSpringerarticleAlluvial claysFeldsparCeramic testTechnological propertiesScienceQTechnologyTENSN Applied Sciences, Vol 3, Iss 12, Pp 1-10 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Alluvial clays Feldspar Ceramic test Technological properties Science Q Technology T
spellingShingle	Alluvial clays Feldspar Ceramic test Technological properties Science Q Technology T Gervaise Kieufack Isaac Yannick Bomeni François Ngapgue Arlin Bruno Tchamba Michel Bertrand Mbog Serge Tchounang Kouonang Armand Sylvain Ludovic Wouatong Potential use of alluvial clays from Monoun in ceramics by adding feldspar from Batie (West-Cameroon) as a fluxing agent
description	Abstract The present study focuses on the use of feldspars from Batie granites (West-Cameroon) as a fluxing agent in ceramic applications, in order to reduce the energy cost of brick manufacture. Three alluvial clays were collected in the field using an auger and the feldspar sample was collected by hammering. Mineralogical, physical and geochemical analysis of alluvial clays samples were carried out, as well as the microscopy analysis of feldspar. The specimen of fired bricks was formulated with different proportions of feldspar (0%, 10%, 15%, 20%, and 25%) and calcined respectively at 750 °C, 850 °C, 950 °C and 1050 °C in an electric furnace. The physical analysis of the clay material showed a well graded granulometry composed of 3% gravel, 10% coarse sand, 23% fine sand, 13% silt and 51% clay. Thin section microscopic analysis revealed essentially perthites. The mineralogical analysis obtained by XRD on total powder shows that the alluvial clays are composed essentially of: 55.8% of total clays; 19.2% quartz; 14.2% goethite; 8.5% K feldspar; 1.2% anatase; 0.7% hematite and 0.4% gibbsite. Geochemical analysis shows that clay material consists of: SiO2, Al2O3, Fe2O3, TiO2, P2O5, MgO, CaO and K2O. The ceramic tests carried out on these bricks showed that their colors were red for all the formulations and temperatures tested. The sound of the bricks is metallic for the formulations of 20 and 25% of feldspar as from 850 °C. The flexural strength (greater than 3 MPa) and compressive strength (10–20 MPa) obtained at 20 and 25% of feldspar meet the standard of traditional ceramics requirements. The bricks obtained at 20 and 25% of feldspar and at a sintering temperature below 850 °C have good technological properties. It was observed that brick formulations with 0% of feldspar fired between 950 and 1000 °C are similar to those of 20 and 25% of feldspar fired at 850 °C). Highlights The alluvial clays from Monoun characterized have highest proportion of kaolinite and good mechanical properties (950 and 1050 °C). Thin section microscopic analysis of Batie feldspar revealed essentially perthites. The brick formulations with 0% of feldspar fired between 950 and 1050 °C are similar to those of 20 and 25% of feldspar fired at 850 °C.
format	article
author	Gervaise Kieufack Isaac Yannick Bomeni François Ngapgue Arlin Bruno Tchamba Michel Bertrand Mbog Serge Tchounang Kouonang Armand Sylvain Ludovic Wouatong
author_facet	Gervaise Kieufack Isaac Yannick Bomeni François Ngapgue Arlin Bruno Tchamba Michel Bertrand Mbog Serge Tchounang Kouonang Armand Sylvain Ludovic Wouatong
author_sort	Gervaise Kieufack
title	Potential use of alluvial clays from Monoun in ceramics by adding feldspar from Batie (West-Cameroon) as a fluxing agent
title_short	Potential use of alluvial clays from Monoun in ceramics by adding feldspar from Batie (West-Cameroon) as a fluxing agent
title_full	Potential use of alluvial clays from Monoun in ceramics by adding feldspar from Batie (West-Cameroon) as a fluxing agent
title_fullStr	Potential use of alluvial clays from Monoun in ceramics by adding feldspar from Batie (West-Cameroon) as a fluxing agent
title_full_unstemmed	Potential use of alluvial clays from Monoun in ceramics by adding feldspar from Batie (West-Cameroon) as a fluxing agent
title_sort	potential use of alluvial clays from monoun in ceramics by adding feldspar from batie (west-cameroon) as a fluxing agent
publisher	Springer
publishDate	2021
url	https://doaj.org/article/f66016d772f5462d9903e8156e25e72a
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Potential use of alluvial clays from Monoun in ceramics by adding feldspar from Batie (West-Cameroon) as a fluxing agent

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