Low Energy Mesoporous Silica Recovery from a Nigerian Kaolinite …
93
described by the Avrami model with average Avrami model parameter (n) of 0.80
and low energy value energy of 7.22 kJ/mol, supports a diffusion controlled leaching
process for industrial mesoporous silica production.
References
1. Ibrahim AS, Baba AA, Bale RB, Olaoluwa DT, Adekola FA (2018) Preparation of mesoporous
silica from a Nigerian talc ore by acetic acid treatment. Commun Fac Sci Univ Ank Ser B
60:1–16. https://doi.org/10.1501/commub_0000000556
2. Moritz M, Geszke-Moritz M (2015) Mesoporous materials as multifunctional tools in
biosciences: principles and applications. Mater Sci Eng C 49:114–151. https://doi.org/10.1016/
j.msec.2014.12.079
3. Shu Z, Li T, Zhou J, Chen Y, Yu D, Wang Y (2014) Template-free preparation of mesoporous
silica and alumina from natural kaolinite and their application in methylene blue adsorption.
Appl Clay Sci 102:33–40. https://doi.org/10.1016/j.clay.2014.10.006
4. Shu Z, Li T, Zhou J, Chena Y, Sheng Z, Wang Y, Yuan X (2016) Mesoporous silica derived
from kaolin: specific surface area enlargement via a new zeolite-involved template-free strategy.
Appl Clay Sci 123:76–82. https://doi.org/10.1016/j.clay.2016.01.009
5. Li T, Shua Z, Zhou J, Chena Y, Yu D, Yuana X, Wang Y (2015) Template-free synthesis of
kaolin-based mesoporous silica with improved specific surface area by a novel approach. Appl
Clay Sci 107:182–187. https://doi.org/10.1016/j.clay.2015.01.022
6. Temuujin J, Okada K, Jadambaa T, Mackenzie KJD, Amarsanaa J (2002) Effect of grinding on
the preparation of porous material from talc by selective leaching. J Mater Sci Lett 21:1607–
1609. https://doi.org/10.1023/A:1020373617167
7. Ibrahim AS (2020) Preparation of amorphous silica from Nigeria kaolinite minerals for organic
dye remediation. MPhil/PhD dissertation, Department of Industrial Chemistry, Unpublished
8. Thommes M (2010) Physical adsorption characterization of nanoporous materials. Chem Ing
Tech 82:1059–1073. https://doi.org/10.1002/cite.201000064
9. Pinna EG, Suarez DS, Rosales GD, Rodriguez MH (2017) Hydrometallurgical extraction of
Al and Si from kaolinitic clays. Metall Mater 70:451–457. https://doi.org/10.1590/0370-446
72017700006
10. Crundwell FK (2014) The mechanism of dissolution of minerals in acidic and alkaline solutions:
part II–application of a new theory to silicates, aluminosilicates. Hydrometallurgy 149:265–
275. https://doi.org/10.1016/j.hydromet.2014.07.003
11. Battsengel A, Batnasan A, Narankhuu A, Haga K, Watanabe Y, Shibayama A (2018) Recovery
of light and heavy rare earth elements from apatite ore using sulphuric acid leaching,
solvent extraction and precipitation. Hydrometallurgy 179:100–109. https://doi.org/10.1016/j.
hydromet.2018.05.024
12. Liddell KC (2005) Shrinking core models in hydrometallurgy: what students are not being told
about the pseudo-steady approximation. Hydrometallurgy 79:62–68. https://doi.org/10.1016/
j.hydromet.2003.07.011
13. Zhang C, Wang S, Zhan-Fang C, Zhong H (2018) Kinetics and mechanism of one-step reductive
leaching of manganese oxide ores by EDTA/EDTA-2Na. Physicochem Probl Miner Process
54:858–867. https://doi.org/10.5277/ppmp1887
93
described by the Avrami model with average Avrami model parameter (n) of 0.80
and low energy value energy of 7.22 kJ/mol, supports a diffusion controlled leaching
process for industrial mesoporous silica production.
References
1. Ibrahim AS, Baba AA, Bale RB, Olaoluwa DT, Adekola FA (2018) Preparation of mesoporous
silica from a Nigerian talc ore by acetic acid treatment. Commun Fac Sci Univ Ank Ser B
60:1–16. https://doi.org/10.1501/commub_0000000556
2. Moritz M, Geszke-Moritz M (2015) Mesoporous materials as multifunctional tools in
biosciences: principles and applications. Mater Sci Eng C 49:114–151. https://doi.org/10.1016/
j.msec.2014.12.079
3. Shu Z, Li T, Zhou J, Chen Y, Yu D, Wang Y (2014) Template-free preparation of mesoporous
silica and alumina from natural kaolinite and their application in methylene blue adsorption.
Appl Clay Sci 102:33–40. https://doi.org/10.1016/j.clay.2014.10.006
4. Shu Z, Li T, Zhou J, Chena Y, Sheng Z, Wang Y, Yuan X (2016) Mesoporous silica derived
from kaolin: specific surface area enlargement via a new zeolite-involved template-free strategy.
Appl Clay Sci 123:76–82. https://doi.org/10.1016/j.clay.2016.01.009
5. Li T, Shua Z, Zhou J, Chena Y, Yu D, Yuana X, Wang Y (2015) Template-free synthesis of
kaolin-based mesoporous silica with improved specific surface area by a novel approach. Appl
Clay Sci 107:182–187. https://doi.org/10.1016/j.clay.2015.01.022
6. Temuujin J, Okada K, Jadambaa T, Mackenzie KJD, Amarsanaa J (2002) Effect of grinding on
the preparation of porous material from talc by selective leaching. J Mater Sci Lett 21:1607–
1609. https://doi.org/10.1023/A:1020373617167
7. Ibrahim AS (2020) Preparation of amorphous silica from Nigeria kaolinite minerals for organic
dye remediation. MPhil/PhD dissertation, Department of Industrial Chemistry, Unpublished
8. Thommes M (2010) Physical adsorption characterization of nanoporous materials. Chem Ing
Tech 82:1059–1073. https://doi.org/10.1002/cite.201000064
9. Pinna EG, Suarez DS, Rosales GD, Rodriguez MH (2017) Hydrometallurgical extraction of
Al and Si from kaolinitic clays. Metall Mater 70:451–457. https://doi.org/10.1590/0370-446
72017700006
10. Crundwell FK (2014) The mechanism of dissolution of minerals in acidic and alkaline solutions:
part II–application of a new theory to silicates, aluminosilicates. Hydrometallurgy 149:265–
275. https://doi.org/10.1016/j.hydromet.2014.07.003
11. Battsengel A, Batnasan A, Narankhuu A, Haga K, Watanabe Y, Shibayama A (2018) Recovery
of light and heavy rare earth elements from apatite ore using sulphuric acid leaching,
solvent extraction and precipitation. Hydrometallurgy 179:100–109. https://doi.org/10.1016/j.
hydromet.2018.05.024
12. Liddell KC (2005) Shrinking core models in hydrometallurgy: what students are not being told
about the pseudo-steady approximation. Hydrometallurgy 79:62–68. https://doi.org/10.1016/
j.hydromet.2003.07.011
13. Zhang C, Wang S, Zhan-Fang C, Zhong H (2018) Kinetics and mechanism of one-step reductive
leaching of manganese oxide ores by EDTA/EDTA-2Na. Physicochem Probl Miner Process
54:858–867. https://doi.org/10.5277/ppmp1887