By B. Mazumder, B.K. Mishra

Coping with wastes from aluminium smelter vegetation discusses significant environmental polluting waste materials from aluminum industries and, quite, spent pot liner. The publication accommodates the authors' direct event in dealing with this poisonous waste, decontaminating spent pot liner and improving its carbon price

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P. S. Bureau of Mines), lead-Zinc-Tin-80, Proc. World Symp. Las Vegas, pp. 445–554, 1980, Nevada, USA. 283. T. Technical Note:Uranium extraction using biogenic feric-sulfate a case study on ore from Jaduguda, Bihar, India- Mineral Engg 13(5), 575–579, 2000. 284. Rich experience for further challenges: Natl symp. Uranium Technology, BARC (II), pp. 431–462,1989. References 119 285. E & Maushgen H. Ger patent 2551380, 26th May 1977, 7 pp. 286. Bhatnagar SS, Parthsarathy S, Single GC & Rao S AL; J.

Characterization of east Asian fly ash by polarization microscope, Posters, World of Coal Ash Utilization (WOCA) Conference, Lexington, KY, USA, May 4–7, 2009. 397. M. , Characterization of Glassy phases in fly ash by particle SEM, Chemistry/Mineralogy II, World of Coal Ash Utilization (WOCA) Conference, Lexington, KY, USA, May 4–7, 2009. 398. , Application of glass corrosion testes to the reactivity of fly ash, Chemistry/ Mineralogy II, World of Coal Ash Utilization (WOCA) Conference, Lexington, KY, USA, May 4–7, 2007.

10 Typical ranges of constituents in red-mud Constituents Range Ferric oxide 22–55% Silica 5–18% Alumina 15–25% Titania 12–20% Alkali 3–9% Loss on ignition 5–9% Particle size 2–3% also has been reported to recover caustic from red mud [27]. XRD, XRF, FTIR and thermal analysis of red mud have also been reported in literature [28, 29]. Ordinary Bayer’s process and conventional red-mud precipitation technique gives rise to large alkali content in red-mud. 5%. Processes has also been reported [31] with very short digestion time and relatively low temperature 20 Managing wastes from aluminum smelter plants (135°C) in a tube digester which results in precipitation of red-mud with low alkali contents.

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