Search Results - "Baenla, Jean"

Amorphous phase of volcanic ash and microstructure of cement product obtained from phosphoric acid activation by Djon Li Ndjock, Benjamin Igor, Baenla, Jean, Mbah, Jean Baptiste Bike, Elimbi, Antoine, Cyr, Martin

“…Alkaline activation of volcanic ash using Na 2 SiO 3 as activator showed its limits because of their low reactivity, nevertheless, phosphoric acid activation…”
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Effect of various amounts of aluminium oxy‐hydroxide coupled with thermal treatment on the performance of alkali‐activated metakaolin and volcanic scoria by Tiffo, Emmanuel, Belibi, Placide Désiré Belibi, Mbah, Jean Batiste Bike, Thamer, Alomayri, Pougnong, Thierry Ebenizer, Baenla, Jean, Elimbi, Antoine

“…This study aims to improve the stability of alkali-activated products, such as powdered volcanic scoria and metakaolin, by thermal treatment in addition to…”
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Effects of chemical composition of amorphous phase on the reactivity of phosphoric acid activation of volcanic ashes by Pougnong, Thierry Ebenizer, Belibi, Placide Desiré Belibi, Baenla, Jean, Thamer, Alomayri, Tiffo, Emmanuel, Elimbi, Antoine

“…•Volcanic ashes with differences in mass percentages (MP) of oxides in chemical compositions of amorphous phase (AP) were activated by phosphoric acid (PA).•AP…”
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Alkaline and Acid Activations of Calcined Laterites: A Comparative Study by Tantono, Solomon Ndisho, Belibi Belibi, Placide Desire, Baenla, Jean, Elimbi, Antoine

“…In order to improve the characteristics of natural laterites for earth building issues, activation of three calcined laterites was carried out in both alkaline…”
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Effects of Kinetic Parameters on Initial Setting Time, Microstructure and Mechanical Strength of Volcanic Ash-based Phosphate Inorganic Polymers by Missota Priso Dickson, Bernard, Dika Manga, Joseph, Pougnong, Thierry Ebenizer, Baenla, Jean, Ndongo Ebongue, Louise, Elimbi, Antoine

“…This study assesses the effects of curing temperatures (28 and 60 °C) and P 2 O 5 / H 2 O molar ratio percentages (4 to 12 %) on initial setting time,…”
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