Recovery of aluminium oxide from flint clay through H2SO4 leaching

Angus L. Daniels; Edison Muzenda; Mohamed Belaid; Freeman Ntuli

Recovery of aluminium oxide from flint clay through H₂SO₄ leaching

Angus L. Daniels, Edison Muzenda, Mohamed Belaid, Freeman Ntuli

University of Johannesburg

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

This is a short communication on the work done to recover aluminium oxide from waste produced by a fertilizer manufacturing company in South Africa. Aluminium rich ore (known as flint clay) was subjected to an experimental study in which aluminium oxide (Al2O3) was recovered through acid leaching. Sulphuric acid was the leaching agent due to its suitability for leaching aluminium and other base metals. The following phases were present in the sample (Al2O3), magnetite (Fe2O3), silica (SiO2) and as well as other metal compounds in concentrations of less than 2%. Parameters investigated were, leaching time, acid concentration, solid to liquid ratio and leaching temperature. The maximum Al recovery was 69%. The optimum conditions found in this study were leaching time of 4 hours, acid ratio of 1:4, leaching temperature of 1000C and solid to liquid ratio of 1:6.

Original language	English
Title of host publication	Proceedings of the World Congress on Engineering 2012, WCE 2012
Editors	A. M. Korsunsky, Len Gelman, Andrew Hunter, S. I. Ao, David WL Hukins
Publisher	Newswood Limited
Pages	1388-1390
Number of pages	3
ISBN (Print)	9789881925220
Publication status	Published - 2012
Event	2012 World Congress on Engineering, WCE 2012 - London, United Kingdom Duration: 4 Jul 2012 → 6 Jul 2012

Publication series

Name	Lecture Notes in Engineering and Computer Science
Volume	3
ISSN (Print)	2078-0958

Conference

Conference	2012 World Congress on Engineering, WCE 2012
Country/Territory	United Kingdom
City	London
Period	4/07/12 → 6/07/12

Keywords

Acid concentration
Aluminium oxide
Flint clay
Leaching
Optimum
Phases
Recovery

ASJC Scopus subject areas

Computer Science (miscellaneous)

Cite this

Daniels, Angus L. ; Muzenda, Edison ; Belaid, Mohamed et al. / Recovery of aluminium oxide from flint clay through H₂SO₄ leaching. Proceedings of the World Congress on Engineering 2012, WCE 2012. editor / A. M. Korsunsky ; Len Gelman ; Andrew Hunter ; S. I. Ao ; David WL Hukins. Newswood Limited, 2012. pp. 1388-1390 (Lecture Notes in Engineering and Computer Science).

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title = "Recovery of aluminium oxide from flint clay through H2SO4 leaching",

abstract = "This is a short communication on the work done to recover aluminium oxide from waste produced by a fertilizer manufacturing company in South Africa. Aluminium rich ore (known as flint clay) was subjected to an experimental study in which aluminium oxide (Al2O3) was recovered through acid leaching. Sulphuric acid was the leaching agent due to its suitability for leaching aluminium and other base metals. The following phases were present in the sample (Al2O3), magnetite (Fe2O3), silica (SiO2) and as well as other metal compounds in concentrations of less than 2%. Parameters investigated were, leaching time, acid concentration, solid to liquid ratio and leaching temperature. The maximum Al recovery was 69%. The optimum conditions found in this study were leaching time of 4 hours, acid ratio of 1:4, leaching temperature of 1000C and solid to liquid ratio of 1:6.",

keywords = "Acid concentration, Aluminium oxide, Flint clay, Leaching, Optimum, Phases, Recovery",

author = "Daniels, {Angus L.} and Edison Muzenda and Mohamed Belaid and Freeman Ntuli",

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isbn = "9789881925220",

series = "Lecture Notes in Engineering and Computer Science",

publisher = "Newswood Limited",

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booktitle = "Proceedings of the World Congress on Engineering 2012, WCE 2012",

}

Daniels, AL, Muzenda, E, Belaid, M & Ntuli, F 2012, Recovery of aluminium oxide from flint clay through H₂SO₄ leaching. in AM Korsunsky, L Gelman, A Hunter, SI Ao & DWL Hukins (eds), Proceedings of the World Congress on Engineering 2012, WCE 2012. Lecture Notes in Engineering and Computer Science, vol. 3, Newswood Limited, pp. 1388-1390, 2012 World Congress on Engineering, WCE 2012, London, United Kingdom, 4/07/12.

Recovery of aluminium oxide from flint clay through H₂SO₄ leaching. / Daniels, Angus L.; Muzenda, Edison; Belaid, Mohamed et al.
Proceedings of the World Congress on Engineering 2012, WCE 2012. ed. / A. M. Korsunsky; Len Gelman; Andrew Hunter; S. I. Ao; David WL Hukins. Newswood Limited, 2012. p. 1388-1390 (Lecture Notes in Engineering and Computer Science; Vol. 3).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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N2 - This is a short communication on the work done to recover aluminium oxide from waste produced by a fertilizer manufacturing company in South Africa. Aluminium rich ore (known as flint clay) was subjected to an experimental study in which aluminium oxide (Al2O3) was recovered through acid leaching. Sulphuric acid was the leaching agent due to its suitability for leaching aluminium and other base metals. The following phases were present in the sample (Al2O3), magnetite (Fe2O3), silica (SiO2) and as well as other metal compounds in concentrations of less than 2%. Parameters investigated were, leaching time, acid concentration, solid to liquid ratio and leaching temperature. The maximum Al recovery was 69%. The optimum conditions found in this study were leaching time of 4 hours, acid ratio of 1:4, leaching temperature of 1000C and solid to liquid ratio of 1:6.

AB - This is a short communication on the work done to recover aluminium oxide from waste produced by a fertilizer manufacturing company in South Africa. Aluminium rich ore (known as flint clay) was subjected to an experimental study in which aluminium oxide (Al2O3) was recovered through acid leaching. Sulphuric acid was the leaching agent due to its suitability for leaching aluminium and other base metals. The following phases were present in the sample (Al2O3), magnetite (Fe2O3), silica (SiO2) and as well as other metal compounds in concentrations of less than 2%. Parameters investigated were, leaching time, acid concentration, solid to liquid ratio and leaching temperature. The maximum Al recovery was 69%. The optimum conditions found in this study were leaching time of 4 hours, acid ratio of 1:4, leaching temperature of 1000C and solid to liquid ratio of 1:6.

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