Kaolin is important because it has many applications in the paper, paint-coating, functional filler, extender and pigment industries. This material needs to be bleached by iron leaching to be useful for these applications because this element can be the principal cause of its undesirable coloration. In this work, the kinetics of leaching of iron contained in kaolin clays from the community of ...
Read MorePDF | On Apr 30, 2015, Mohammad Raouf Hosseini and others published Biological beneficiation of kaolin: A review on iron removal | Find, read and cite all the research you need on ResearchGate
Read MoreBiological Beneficiation of Kaolin: A Review on Iron Removal Mohammad Raouf Hosseini *, Ali Ahmadi Department of Mining engineering, Isfahan University of Technology, Isfahan, Iran.
Read MoreMR Hosseini, MN Sarvi. Materials Science in Semiconductor Processing 40, 293-301., 2015. 88. 2015. Bioleaching of iron from highly contaminated Kaolin clay by Aspergillus niger. MR Hosseini, M Pazouki, M Ranjbar, M Habibian. Applied Clay Science 37 (3-4), 251-257.
Read More38. 2017. Biological beneficiation of kaolin: A review on iron removal. MR Hosseini, A Ahmadi. Applied Clay Science 107 (238-245), 2015. 27. 2015. The influence of physicochemical parameters on the bioleaching of zinc sulfide concentrates using a mixed …
Read MoreBeneficiation enhances kaolin applications; hence, it becomes imperative to understudy comparative means of upgrading kaolin, for the process integration and optimization. In this work, chemical and biological leaching of iron rich kaolin sample was carried out using sulphuric acid, oxalic acid, cultured and un-cultured Aspergillus niger (A ...
Read MoreBeneficiation enhances kaolin applications; hence, it becomes imperative to understudy comparative means of upgrading kaolin, for the process integration and optimization In this work, chemical and biological leaching of . kaolin sample was carried out using sulphuric acid, oxalic acid, iron rich
Read MoreElevated iron content in low-grade kaolin is one of the chemical factors detrimental for its industrial applications. Therefore, various physical and chemical methods have been applied to decrease iron concentration in kaolin. One of the more feasible and environmentally friendly method is biobenefication via microbially-induced bioextraction. Therefore, this paper provides data on …
Read MoreBiological beneficiation of kaolin: A review on iron removal. ... In the present study, initially, the general concepts and fundamentals of the biological removal of iron from kaolinite clays are described, and then the literatures and findings published on this subject in the past two decades are concisely reviewed and assessed.
Read MorePresence of iron compounds as impurities in kaolin and feldspar, impart reddish colour to ceramic products manufactured using these minerals. The quality of kaolin and feldspar was enriched mainly through iron removal by biological methods. Bacteria isolated from kaolin of Indian origin were used for bioleaching. Biotreatment of kaolin and feldspar using indigenous bacteria not …
Read More1 Introduction Kaolin is a significant industrial clay that mainly contains a hydrated aluminum silicate mineral named as kaolinite (Al 2 Si 2 O 5 (OH) 4 ) ( de Mesquita et al., 1996; Murray, 2006b; Zegeye et al., 2013 ). Other kaolin minerals include dickite, nacrite, and halloysite.
Read MoreBiological beneficiation of kaolin: A review on iron removal ... and the Luedeking–Piret equations for iron removal, acid formation and sucrose consumption. The performance of the model was compared against that obtained by the empirically experimental data. The model provides a reasonable description for each parameter during the growth phase.
Read MoreApplication of mineral bio-beneficiation to remove iron oxyhydroxides from kaolinite clays has been the center of interest in recent decades, and many research works over the world have been dedicated to study the potential of this approach for upgrading the clay whiteness and refractoriness while preserving the inherent specifications and therefore improving the commercial value of kaolin.
Read MoreElevated iron content in low-grade kaolin is one of the chemical factors detrimental for its industrial applications. Therefore, various physical and chemical methods have been applied to decrease iron concentration in kaolin. One of the more feasible and environmentally friendly method is biobenefication via microbially-induced bioextraction. Therefore, this paper provides data on fungal ...
Read MoreBeneficiation enhances kaolin applications; hence, it becomes imperative to understudy comparative means of upgrading kaolin, for the process integration and optimization. In this work, chemical and biological leaching of iron rich kaolin sample was carried out using sulphuric acid, oxalic acid, cultured and un-cultured Aspergillus niger (A ...
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