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Scientific Bulletin of Namangan State University

Abstract

Isolation of the secondary kaolin from Angren deposit in the biological liquids is realized with the use of the various types of iron-oxidizing acidophilic bacteria, breaking down sulphide minerals. At the application of this method, iron element decrease is observed that decrease the quality of kaolin.

First Page

82

Last Page

86

References

1. Shakarova T.I., Salimov Z.S., Mkrtchyan R.V. O vozmojnosti ‘ovqsheniya kachestva Angrenskix kaolinov. Ximicheskaya ‘romqshlennostg’ M., 2002, №12. 2. G.I. Karavayko. Mikroorganizmq i ix rolg’ v biotexnologii metallov. « Biogeotexnologiya metallov» Moskva 1969.s 11-26. 3. Karavayko G.I. i dr. Rolg’ mikroorganizmov i nekotorqx fiziko-ximicheskix faktorov sredq v razrushenii kvartsa. Mikrobiologiya, 1964, 53. №6. s 976. 4. Styriakova I, Styriak, M.’. Nandakumar and B. Mattiasson, Bacterial destruction of mica during bioleaching of kaolin and quartz sands by Bacillus cereus. World journal of Microbiology and Biotechnology, volume 19, Number 6. August 2003. ‘ages 583-590. 5. ‘latova R. G1 and ‘latov Yu.T., A’’lication of biotechnology for the ceramic industry. « Glinq i glinistqe mineralq» . ‘ushino 2006. s 106.

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