removal of iron clay kaolin

Factorial experiments for iron removal from kaolin by ...

2013-3-1 · In the present study, to investigate the effects of acidic leaching on the iron removal from kaolin clay supplied by Cam-Ser Madencilik A.S., the 2 4 full factorial design of experiments and analysis of variance (ANOVA) were performed. The aim of the initial phase of research was to determine the effects of the main and interaction factors which can potentially influence the iron removal process.

Biological beneficiation of kaolin: A review on iron removal

2015-4-1 · The best outcome (about 43% removal of iron) was attained after one month using the strain isolated from pistachio shell at the lower pulp density (20 vs. 60 g/l) when the clay was added at the beginning of the fungal fermentation, although in runs which kaolin was added on the third day of growth, the initial rate of iron dissolution was ...

Refinement of industrial kaolin by removal of iron-bearing ...

2017-6-1 · Iron removal from kaolin using binuclear rare earth complex activated thiourea dioxide Appl. Clay Sci. , 126 ( 2016 ) , pp. 63 - 67 Article Download PDF View Record in Scopus Google Scholar

(PDF) Iron removal from kaolin using thiourea assisted by ...

2011-5-19 · The use of chlorination for iron and titanium removal from different clay and kaolin minerals, used in Argentinian ceramic industry, has been investigated to establish reaction mechanisms ...

Bleaching of kaolins and clays by chlorination of iron and ...

2006-8-1 · Iron is the main contaminant in clay and kaolin minerals. The removal of iron from kaolin is of particular importance in the paper industry, among others, where purity requirements are high. In these minerals, iron can form part or not of the kaolinite crystalline lattice. When it is inside, low concentrations do not affect coloration.

KINETICS STUDY OF IRON LEACHING FROM KAOLINITIC

results shown above, iron removal is possible, and this can improve the economic value for this kind of kaolin clay, being possible its use in the ceramic and paper industries as raw material of high quality. Keywords: Iron leaching, Kaolin clay, Kinetics study, Chemical control Introduction

Bleaching of kaolins and clays by chlorination of iron and ...

2011-10-24 · Iron is the main contaminant in clay and kaolin minerals. The removal of iron from kaolin is of par-ticular importance in the paper industry, among others, where purity requirements are high. In these minerals, iron can form part or not of the kaolinite crystalline lattice. When it is inside, low concentrations do not affect coloration.

Refinement of industrial kaolin by microbial removal of ...

2013-12-1 · Two series of bacterial iron-reduction experiments have shown that all tested Shewanella sp. bacterial strains were able to leach iron impurities from industrial kaolins and that among the tested strains, S. putrefaciens CIP8040 is the most efficient in terms of both extent of Fe removal and improvement in the colour properties of the kaolin.

SEM-EDX characterization of an iron-rich kaolinite clay

2008-10-27 · Removal of iron from different size fractions of clay by oxalic acid treatment, as reported earlier3, is presented in Fig. 1. XRD had shown that crude clay contains kaolinite and quartz as major mineral constituents, siderite as major iron bearing impurities along with small amounts of mica and goethite and/or hematite3.

Removal of Fe from Kaolin using Dissimilatory Fe(III ...

2010-8-1 · LongYan kaolin has a large Fe content which affects the coloring. Bioleaching treatments to remove Fe impurities were conducted here using indigenous dissimilatory Fe(III)-reducing bacteria. The factors that affect bioleaching efficiency include bioleaching time, carbon source, pH, temperature, pulp density, and inoculum density and these were examined. Environmental scanning electron ...

(PDF) Iron removal from a kaolinitic clay by leaching to ...

Gougazeh [32] also achieved a 94% iron oxide removal from Jordanian kaolin clay using sodium dithionite while Hernandez et al., [33] successfully removed 80% iron oxide from kaolin clay using an ...

(PDF) Iron removal from kaolin using thiourea assisted by ...

2011-5-19 · The use of chlorination for iron and titanium removal from different clay and kaolin minerals, used in Argentinian ceramic industry, has been investigated to establish reaction mechanisms ...

(PDF) Removal of iron and titanium contaminants from ...

2018-5-10 · Gougazeh [32] also achieved a 94% iron oxide removal from Jordanian kaolin clay using sodium dithionite while Hernandez et al., [33] successfully removed

Statistical Treatment of Bleaching Kaolin by Iron Removal ...

The use of chlorination for iron and titanium removal from different clay and kaolin minerals, used in Argentinian ceramic industry, has been investigated to establish reaction mechanisms ...

Removal of iron and titanium contaminants from

2020-10-25 · Removal of 94% iron gives a product containing 0.48% Fe 2O 3, which is fit for industrial applications such as fine ceramics and as a filler materials in paper, plastic and rubber industries. ARTICLE HISTORY Received 17 December 2017 Accepted 22 March 2018 KEYWORDS Kaolin clay; dithionite; titanium and iron impurities; chemicalleaching ...

Bleaching of kaolins and clays by chlorination of iron and ...

2011-10-24 · Iron is the main contaminant in clay and kaolin minerals. The removal of iron from kaolin is of par-ticular importance in the paper industry, among others, where purity requirements are high. In these minerals, iron can form part or not of the kaolinite crystalline lattice. When it is inside, low concentrations do not affect coloration.

Kinetics of Iron Leaching from Kaolinitic Clay, Using ...

Iron is the main contaminant in minerals of clay and kaolin. The removal of the iron from kaolin is of particular importance in the paper industry, among others, where purity requirements are high. In these minerals, iron may or may not form part the kaolinite

Adsorptive Removal of Pb(II) and Cd(II) Ions From Aqueous ...

2021-6-22 · In view of promising adsorption efficiency of clay based materials, a modified iron-kaolin clay was used as an adsorbent of Pb(II) and Cd(II) ions from aqueous solutions. The effects of various experimental parameters, such as initial metal ions concentration, contact time, temperature and pH

Refinement of industrial kaolin by microbial removal of ...

2021-9-12 · Research paper Refinement of industrial kaolin by microbial removal of iron-bearing impurities Asfaw Zegeye ⁎, Sani Yahaya, Claire I. Fialips, Maggie L. White, Neil D. Gray, David A.C. Manning School of Civil Engineering and Geosciences, Drummond Building, Newcastle University, Newcastle upon Tyne, NE1 7RU, UK

Removal of Fe from Kaolin using Dissimilatory Fe(III ...

2010-8-1 · LongYan kaolin has a large Fe content which affects the coloring. Bioleaching treatments to remove Fe impurities were conducted here using indigenous dissimilatory Fe(III)-reducing bacteria. The factors that affect bioleaching efficiency include bioleaching time, carbon source, pH, temperature, pulp density, and inoculum density and these were examined. Environmental scanning electron ...

(PDF) Iron removal from a kaolinitic clay by leaching to ...

Gougazeh [32] also achieved a 94% iron oxide removal from Jordanian kaolin clay using sodium dithionite while Hernandez et al., [33] successfully removed 80% iron oxide from kaolin clay using an ...

(PDF) Iron removal from kaolin using thiourea assisted by ...

2011-5-19 · The use of chlorination for iron and titanium removal from different clay and kaolin minerals, used in Argentinian ceramic industry, has been investigated to establish reaction mechanisms ...

the removal of iron from hard pulverised kaolin by dry high

Factorial experiments for iron removal from kaolin by using · Citric acid concentration is the main significant factor of H 2 SO 4 with CA leaching, suggesting that citric acid can be used as an effective reducing agent for iron removal from kaolin clay. For sulfuric acid leaching, 25.0% IEY was achieved at 90 C after 180 min. Get price

Iron removal from ground water using Egyptian cost ...

a huge amount of kaolin. So, glauconite and kaolin can be used as cost-effective clay minerals for iron removal from ground water. 2. Experimental procedures 2.1 Materials Glauconite was obtained from New-Vally area, Egypt. Kaolin was obtained from Aswan area, Egypt. Samples were crushed, grounded, sieved to -150+200 mesh size, and dried at 105

Kinetics of Iron Leaching from Kaolinitic Clay, Using ...

Iron is the main contaminant in minerals of clay and kaolin. The removal of the iron from kaolin is of particular importance in the paper industry, among others, where purity requirements are high. In these minerals, iron may or may not form part the kaolinite

Statistical Treatment of Bleaching Kaolin by Iron Removal

2019-9-30 · Statistical Treatment of Bleaching Kaolin by Iron Removal 261 Statistical Treatment of Bleaching Kaolin by Iron Removal Román Ángel Hernández Hernández,*1 Felipe Legorreta García,1 Leticia Esperanza Hernández Cruz,1 and Antonia Martínez Luévanos2 1 Universidad Autónoma del Estado de Hidalgo. Área Académica de Ciencias de la Tierra y Materiales.

Refinement of industrial kaolin by microbial removal of ...

2021-9-12 · Research paper Refinement of industrial kaolin by microbial removal of iron-bearing impurities Asfaw Zegeye ⁎, Sani Yahaya, Claire I. Fialips, Maggie L. White, Neil D. Gray, David A.C. Manning School of Civil Engineering and Geosciences, Drummond Building, Newcastle University, Newcastle upon Tyne, NE1 7RU, UK

Adsorptive Removal of Pb(II) and Cd(II) Ions From Aqueous ...

2021-6-22 · In view of promising adsorption efficiency of clay based materials, a modified iron-kaolin clay was used as an adsorbent of Pb(II) and Cd(II) ions from aqueous solutions. The effects of various experimental parameters, such as initial metal ions concentration, contact time, temperature and pH

Possibility of Recoating of Impurities on Product Kaolin ...

2012-11-30 · The schematic representation of the removal of Fe203 and TiO2 and brightness improvement in the size classified product of Mamuara clay is given in Fig.l. Ultra flotation is more selective to TiO2 removal whereas SC-HGMS can easily remove paramagnetic and feebly magnetic iron and titanium minerals.