An Alternative to Clay in Building Materials: Red Mud Sintering Using Fly Ash via Taguchi’s Methodology

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dc.contributor.author Rai, Suchita
dc.contributor.author Lataye, Dilip H.
dc.contributor.author Chaddha, M. J.
dc.contributor.author Mishra, R. S.
dc.contributor.author Mahendiran, P.
dc.contributor.author Mukhopadhyay, Jyoti
dc.date.accessioned 2014-03-17T12:14:11Z
dc.date.available 2014-03-17T12:14:11Z
dc.date.issued 2013-11-04
dc.identifier.citation Rai, Suchita; Lataye, Dilip H.; Chaddha, M. J.; Mishra, R. S.; Mahendiran, P.; Mukhopadhyay, Jyoti.; Yoo, ChangKyoo and Wasewar, Kailas L., “An Alternative to Clay in Building Materials: Red Mud Sintering Using Fly Ash via Taguchi’s Methodology”, Advances in Materials Science and Engineering, DOI: 10.1155/2013/757923, vol. 2013, 2013. en_US
dc.identifier.issn 1687-8434
dc.identifier.uri https://repository.iitgn.ac.in/handle/123456789/872
dc.identifier.uri http://dx.doi.org/10.1155/2013/757923
dc.description.abstract “Red mud” or “bauxite residue” is a highly alkaline waste generated from alumina refinery with a pH of 10.5–12.5 which poses serious environmental problems. Neutralization or its treatment by sintering in presence of additives is one of the methods for overcoming the caustic problem as it fixes nearly all the leachable free caustic soda present in red mud. In the present study, feasibility of reducing the alkaline nature of red mud by sintering using fly ash as an additive via Taguchi methodology and its use for brick production, as an alternative to clay, is investigated. The analysis of variance (ANOVA) shows that sintering temperature is the most significant parameter in the process. A pH of 8.9 was obtained at 25–50% of red mud and 50–75% fly ash with water and temperature of . Alternatively 50% of red mud can be mixed with 50% of fly ash with water at temperature of to get a pH of about 8.4. The mechanism of this process has been explained with also emphasis on chemical, mineralogical, and morphological analysis of the sintered red mud. The results would be extremely useful in utilization of red mud in building and construction industry. en_US
dc.description.statementofresponsibility by Jyoti Mukhopadhyay et al.,
dc.format.extent Vol. 2013,pp.1-7.
dc.language.iso en en_US
dc.publisher Hindawi Publishing Corporation en_US
dc.subject Building materials en_US
dc.subject Fly ash en_US
dc.subject Red mud en_US
dc.subject Taguchis methodology en_US
dc.title An Alternative to Clay in Building Materials: Red Mud Sintering Using Fly Ash via Taguchi’s Methodology en_US
dc.type Article en_US
dc.relation.journal Advances in Materials Science and Engineering


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