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THE BALKANS AND THE RAW-MATERIALS BASE FOR ZINC PRODUCTION

B. Boyanov, N. Kolev

First published: 2007DOI pendingView metrics

Abstract

A major producer of zinc on the Balkans is Bulgaria (about 100 000 tons per year). The two zinc plants in Plovdiv and Kardjali deliver a part of the necessary raw materials from Bulgaria and the Balkan countries – Turkey, Romania, Greece, Serbia and Macedonia. In this connection an analysis is made of the delivered sulfide zinc concentrates through statistical processing of data about their chemical content. For the aim of processing them according to the classic hydrometallurgical scheme studies are carried out using X-ray phase analysis as well as DTA and TGA. The obtained results show differences in the chemical and phase content of the concentrates. With an X-ray phase analysis it is established that the following phases are present: $\beta$-ZnS; nZnS.mFeS; CuFeS2; PbS; SiO2 ($\alpha$ - quartz). The phase $\beta$-ZnS is present in all concentrates and the other established phases are represented differently in the separate concentrates.

Publication details

Title
THE BALKANS AND THE RAW-MATERIALS BASE FOR ZINC PRODUCTION
Authors
B. Boyanov, N. Kolev
Proceedings
7th International Scientific Conference - SGEM2007
Publisher
SGEM Scientific GeoConference
Year
2007
Pages
Not available yet
ISSN
1314-2704
ISBN
954-918181-2
Language
en
Publication type
Conference Paper
References10

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  3. P.White, ZINC: Funds, Fundamentals of China, Proceedings of the 4th International Conference ZINC 2006, Plovdiv, Bulgaria, 11-12 September, 2006, 35-

  4. P.R.Chandna, Zinc Metal Industry in India, Proceedings of the 4th International Conference ZINC 2006, Plovdiv, Bulgaria, 11-12 September, 2006, 49.

  5. Y.Umetsu, Advances and Challenges in Zinc Production, International Symposium on Lead & Zinc Production, Kyioto, Japan, October, 17-19, 2005, 89-101.

  6. P.Lessidrenski, I.Gruev, A.Apostolov, S.Stoyanova and E.Bekrieva, Jarosite Technology for Zinc Production at the Lead and Zinc Complex and Optimization of the Reagent Mode, Proceedings of the 4th International Conference ZINC 2006,

  7. Plovdiv, Bulgaria, 11-12 September, 2006, 213-216.

  8. B.S.Boyanov and N.K.Kolev, Characteristics and Roasting of Sulphide Zinc Concentrates in Fluid Bed Roaster, Proceedings of the 4th International Conference ZINC 2006, Plovdiv, Bulgaria, 11-12 September, 2006, 275-288.

  9. B.S.Boyanov, R.I.Dimitrov and Z.D.Zivkovic, “Thermal Behaviour of Low- Quality Zinc Sulphide Concentrate”, Thermochimica Acta, 296 (1997), 123-128.

  10. B.Boyanov, M.Sandalski and R.Dimitrov, “Software for Optimising the Mixing Proportions of Polycomponent Raw Materials”, Bulgarian Chemistry and Industry, 71 (1) (2000) 10-13.

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