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Hydrometallurgical processing of egyptian bauxite

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Treść / Zawartość
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Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
A bauxite ore from Um Bogma, Southwestern Sinai, Egypt was mineralogically characterized. It contains 70% gibbsite, 13.2% quartz and 11.0% kaolinite. Beneficiation of the ore reduced the quartz content to 2.4%. Hydrometallurgical processing of the beneficiated gibbsitic bauxite was performed by hot leaching with sodium carbonate and lime in an attritor. Aluminium was converted to soluble sodium aluminate low in SiO2 (<0.1%) and the recovery was over 95% for a short leaching duration of 30 minutes at 90 °C. The residue was essentially composed of calcium silicate.
Słowa kluczowe
EN
Rocznik
Strony
431--442
Opis fizyczny
Bibliogr. 14 poz., rys., tab.
Twórcy
autor
  • Environmental Sciences Department, Faculty of Science, Alexandria Egypt
Bibliografia
  • 1. AMER A.M. 1996, Leaching of low grade Egyptian chromite ore. Hydrometallurgy, 43 (1–3), 307–316
  • 2. ANDREEV P.A., 1972, Bauxite Mineral Resources of Industrial Countries and Developing Countries. The USSR Ministry of Geology. V G F. Moscow. p. 158.
  • 3. BELYAEV A.I., ZHEMECHUZHINA E.A., 1964, Leaching of Bauxites at Elevated Pressure and Temperature. Tr. 3-go Vses. Soveshch. po Khim. i Tekhnol. Glinozema, Erevan, 205-23, P 205 Chem Abstr 63, 7490.
  • 4. CREGLEDI B., STOKER L., RIEDERAURE S., 1981, Deironing Technology of Bauxite by Hydrochloric Acid. Trav D`ICSOBA (International Committee for Study of Bauxites, Alumina and Aluminum), 16, p. 305.
  • 5. FISHER K, GERMANNT K., SCHWARZ T., 1991, Origin and properties of laterite – derived deposits in continental basin in upper Egypt and Northern Sudan. Proc. 7 ME Euro Clay Conf. Dresden 91; 357–362.
  • 6. GERMANN K, MIRCKE A., DOERING T., FISCKEN K., 1987. Late cretaceous laterite – derived sedimentary deposits (ooletic ironstone – raolein – bauxite in upper Egypt, Berliner Geowiss Abh (A) 753: 727–758.
  • 7. HABASHI F, 1980, Principles of Extractive Metallurgy. Gordon and Breach, New York, Vol. 2, p. 59.
  • 8. KUZNETSOVA S.I., DEREVYANKIN V.A., SHABALINA O.K., 1964, Behaviour of compounds of Silicon, Titanium, Iron and Organic Substances During Bauxite Leaching. Tr. 3-go Vses. Soveshch. po Khim. i Tekhnol. Glinozema, Erevan, 225-242.
  • 9. LIU GUI-HUA, XIAO WEI, PENG ZHI-HONG, 2008, Sintering process of diasporic bauxite with high iron content low ratioof lime to silica for alumina production the, Chinese Journal of Nonferrous Metals, 10,
  • 10. SAID SABET A.H., ZALAT A.A., TENIAKOV V.A., POKRYSHKIN V., 1976, A Review of theories on the Geological Distribution of Bauxite and their Application for Bauxite prospecting in Egypt. Annuals of the Geological survey of Egypt. Vol. l, p. 6.
  • 11. SCOTFORD R.F., GLASTONBURY J.R., 1972, The effect of temperature on the rates of dissolution of gibbsite and boehmite. The Canadian Journal of Chemical Engineering, 49, 611–616.
  • 12. SEGEV A, 1984, Gibbsite Mineralization and its Genetic Implication for the Um Bogma Manganese Deposit. Southwestern Sinai, Mineralium Deposita 19, Springer-Verlag, 54.
  • 13. SMITH P. 2009, The processing of high silica bauxite – Review of existing and potential resources, Hydrometallurgy 98 (1–2), pp.162–167.
  • 14. ZHAO Q., MILLER J.D., WANG X., 2010, Recent development in the benefication of Chinese bauxite, Mineral Processing and Extractive Metallurgy Review 31(2), 111–119.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-f9970ac6-7a40-4889-896e-2138832e98bc
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