• Acquire
Questions of chemistry in non-ferrous metallurgy
ArticleName
About using inoculating crystals during control of over-saturated of sodium carbonate during evaporization of aluminate solutions
ArticleAuthors
Linnikov O. D., Rodina I. V., Kovzel V. M., Ronkin V. M.
ArticleAuthorsData
O. D. Linnikov, Leading Officer, e-mail: linnikov@mail.ru; I. V. Rodina, Researcher, Institute of Chemistry of Solid Body, the Russian Academy of Sciences Ural Branch; V. M. Kovzel', Director of Design Work; V. M. Ronkin, Director of Branch, Research and Production Enterprise MASHPROM.
Abstract
Crystallization of sodium carbonate from commercial aluminate solutions in the presence of inoculating crystals has been researched at the laboratory device in isothermal conditions. Inoculating crystals are the anhydrous sodium carbonate. Comparison of obtained experimental data with theoretical equations, described dummy bar influence on solution over-saturation has been realized. It has been shown that dummy bar crystals reduce solution over-saturation on sodium and their growth flows according to equation of first order relative to over-saturation. General kinetic coefficient of growth equation of crystals of dummy bar has been determined. Recommendations about choosing optimal concentration of dummy bar crystals during realization industrial crystallization of sodium carbonate have been done.
keywords
Aluminate solution, evaporization, sodium, crystallization cell, equation, dummy bar, diffusion coefficient.
References

1. Layner A. I., Eremin N. I. et al. Proizvodstvo glinozema (Alumina production). Moscow, 1978. 344 p.

2. Ronkin V. M., Kovzel V. M., Malyshev A. B. et al. Sb. dokladov XIV Mezhdunarodnoy konferentsii «Alyuminiy Sibiri 2008» (Collection of thesis of XIV International Conference “Sibirian aluminium 2008”). Krasnoyarsk, 2008. pp. 350–357.

3. Matusevich L. N. Kristallizatsiya iz rastvorov v khimicheskoy promyshlennosti (Crystallization of solutions in chemical industry). Moscow, 1968. 304 p.

4. Mullin J. W. Crystallization. 4th ed. Oxford : Butterworth-Heinemann, 2001. 594 p.

5. Crystallization Technology Handbook. 2nd ed. by A. Mersmann. New York—Basel Marcel Dekker, Inc., 2001. 781 p.

6. Kotik F. I. Uskorennyy kontrol elektrolitov, rastvorov i rasplavov : spravochnik. (Accelerated control of electrolytes, solutions and melts: reference book). Moscow, 1978. 191 p.

7. Kouzov P. A. Osnovy analiza dispersnogo sostava promyshlennykh pyley i izmelchennykh materialov (Basis of analysis of dispersive content of industrial dusts and crushed materials). Leningrad, 1971. 279.

8. Linnikov O. D. Zhurn. prikl. khimii. - Journal of Applied Chemistry. 2003. Part. 76. Vol.10. pp. 1609–1613.

9. Kratkiy spravochnik khimika (Short reference book of chemist). 4th ed. by O. D. Kurilenko. Kiev, 1974. 992 p.

10. Scrutton A., Grootscholten P. A. M. Trans. Inst. Chem. Eng., 1981. Vol. 59, No. 4. pp. 238–246.

11. Linnikov O. D. Crystal Research and Technology. 2004. Vol. 39, No. 6. pp. 516–528.

12. Linnikov O. D. Crystal Research and Technology. 2006. Vol. 41, No. 1. pp. 10–17.

13. Braginskiy L. N., Begachev V. I., Barabash V. M. Peremeshivanie v zhidkikh sredakh. Fizicheskie osnovy i inzhenernye metody rascheta (Mixing in fluid medium. Physical base and engineering methods of calculation). Leningrad, 1984. 334 p.

14. Spravochnik khimika. (Reference book of chemist). Part 3. Leningrad, 1965. 1008 p.

15. Kuznetsov S. I. Proizvodstvo glinozema (voprosy fizicheskoy khimii) (Alumina production. Problems of physical chemistry). Sverdlovsk, 1956. 117 p.

Language of full-text
russian
Full content
Buy

Back