Submit an Article
Become a reviewer
Vol 235
Pages:
30
Download volume:

ASSESSMENT OF REFRACTORY GOLD-BEARING ORES BASED OF INTERPRETATION OF THERMAL ANALYSIS DATA

Authors:
T. N. Aleksandrova1
G. Heide2
A. V. Afanasova3
About authors
  • 1 — Saint-Petersburg Mining University ▪ Orcid
  • 2 — Freiberg Mining Academy
  • 3 — Saint-Petersburg Mining University
Date submitted:
2018-09-07
Date accepted:
2018-11-08
Date published:
2019-02-25

Abstract

The article presents the results of a study on the possibility to assess refractory gold-bearing ores using thermal analysis data. It studies the flotation concentrates obtained during the enrichment of double refractory sulfide gold-bearing ores. This type of ore is complicated by the fine impregnation of gold in sulphide minerals and the presence of sorption-active scattered carbonaceous matter, which is in close association with sulphides. The results of thermogravimetric and mass spectrometric studies of refractory gold-bearing ores are presented. The obtained fragments for kerogen CH (m/z = 15), C 2 H (m/z = 29) and C 3 H (m/z = 43) indicate the presence of various types of carbonaceous matter in the studied samples. It is justified that the degree of sorption activity of carbonaceous matter depends on the presence of kerogen and bitumen in the ore. High sorption activity of scattered carbonaceous material significantly affects the processing technology of ores and concentrates, both flotation and pyro- and hydrometallurgical methods. Thermogravimetric and mass spectroscopic analyzes can be used to determine the degree of preg-robbing of refractory gold-bearing ores. The obtained results predetermine the direction of creating new methods and technologies in the field of decarburization of refractory gold-bearing ores in the integrated development of solid minerals in the mining regions of Russia.

10.31897/pmi.2019.1.30
Go to volume 235

References

  1. Aleksandrova T.N. Key areas of carbon processing. Zapiski Gornogo instituta. 2016. Vol. 220, p. 568-572. DOI 10.18454/PMI.2016.4.568 (in Russian).
  2. Aleksandrova T.N., Gurman M.A., Kondrat'ev S.A. Problems of gold recovery from refractory ores in the south of the Far Eastern region of Russia and some ways to solve them. Fiziko-tekhnicheskie problemy razrabotki poleznykh iskopaemykh. 2011. N 5, p. 124-135 (in Russian).
  3. Nemerov V.K., Stanevich A.M., Razvozzhaeva E.A., Budyak A.E., Kornilova T.A. Biogenic-sedimentation factors of ore formation in the Neoproterozoic sequences of the Baikal-Patom region. Geologiya i geofizika. 2010. Vol. 51. N 5, p. 729-747 (in Russian).
  4. Bespaev Kh.A., Lyubetskii V.N., Lyubetskaya L.D., Uzhkenov B.S. Gold-bearing strata of Kazakhstan. Izvestiya NAN RK. Seriya geologicheskaya. 2008. Iss. 6(416), p. 39-48 (in Russian).
  5. Zubkov V.S. Geochemical processes and minerals. Vestnik GeoIGU. 2000. Iss. 2, p. 74-93 (in Russian).
  6. Aleksandrov A.V., Aleksandrova T.N., Litvinova N.M., Rasskazova A.V. Combined technologies of beneficiation of gold-containing ores of the Yakut cluster. Gornyi informatsionno-analiticheskii byulleten'. 2017. N S24, p. 40-49 (in Russian).
  7. Rafailovich M.S., Lyubetskii V.N., Starova M.M., Koshevoi O.G. Large gold deposits of Kazakhstan: localization conditions, general and specific features, differences from small objects. Geologiya i razvedka nedr Kazakhstana. 1995. N 5, p. 40-46 (in Russian).
  8. Malygin A.A., D'yachkov B.A. Gold-bearing strata of East Kazakhstan and their predictive assessment. Vestnik Vostochno-Kazakhstanskogo tekhnicheskogo un-ta. 2000. N 3, p. 6-10 (in Russian).
  9. Meretukov M.A. Gold and natural carbonaceous matter. Мoscow: Ruda i metally, 2007, p. 108 (in Russian).
  10. Narseev V.A., Starova M.M. About the nature of fine gold in pyrites and arsenopyrites of gold ore deposits. Mineralogiya i geokhimiya zolota: Tezisy dokladov. Vladivostok: DVNTs AN SSSR. 1974, p. 82-83 (in Russian).
  11. Aleksandrova T.N., Yatlukova N.G., Litvinova N.M., Babenko G.I., Billevich I.Ya. Patent N 2339455 RF. The method of extraction of valuable components from gold sulfide ores. Submitted 11.05.2007. Publ. 27.11.2008. Bul. N 33 (in Russian).
  12. Sazanov Yu.N. Thermal analysis of organic compounds. Leningrad: Nauka, 1991, p. 314 (in Russian).
  13. Rossovskii S.N., Fridman I.D., Nikulin A.I., Sedel'nikova G.V. Technological evaluation of refractory gold-arsenic ores and concentrates. VIMS. Мoscow, 1986, p. 73 (in Russian).
  14. Kanaeva Z.K., Kanaev A.T., Mukhambetov N., Bidaibekov D. Textures and structures of the ore occurrence of the gold-arsenic Bakyrchik deposit. Bulletin d'EUROTALENT-FIDJIP. 2014. N 5, p. 45-49 (in Russian).
  15. Földvári Mária. Handbook of the thermogravimetric system of minerals and its use in geological practice. Occasional Papers of the Geological Institute of Hungary. 2011. Vol. 213, p. 180-186.
  16. Guay W.J. The treatment of refractory gold ores containing carbonaceous material and sulfides. Gold and Silver: Leaching, Recovery and Economics. 1981, p. 17-22.
  17. Heide K., Gerth K., Hartmann E. The detection of an inorganic hydrocarbon formation in silicate melts by means of a direct-coupled-evolved-gas-analysis-system (DEGAS). Thermochimica Acta. 2000. Vol. 354. N 1-2, p. 165-172.
  18. Heide K., Schmidt C.M. Determination of volatiles in volcanic rocks and minerals with a Directly Coupled Evolved Gas Analyzing System (DEGAS). Part I: Interpretation of degassing profiles (DEGAS-profiles) of minerals and rocks on the basis of melting experiments. Annals of Geophysics. 2005. Vol. 48. N 4-5, p. 719-729.
  19. Alexandrova T.N., Afanasova A.V., Heide G., Noblich A. Investigation of the carbonaceous component of gold-bearing ores by means of thermal analysis. Innovation-Based Development of the Mineral Resources Sector: Challenges and Prospects: Proceedings of the 11th Russian-German Raw Materials Conference, November 7-8, 2018, Potsdam, Germany. CRC Press, 2018, p. 459.
  20. Mossman D.J. Carbonaceous substances in mineral deposits: implications for geochemical exploration. Journal of Geochemical Exploration. 1999. Vol. 66. N 1-2, p. 241-247.
  21. Osseo-Asare K., Afenya P.M., Abotsi G.M.K. Carbonaceous matter in goldores: isolation, characterization and adsorption behavior in aurocyanide solutions. Precious metals: Mining, extraction and processing, AIME, USA. 1984, p. 125-144.
  22. Radtke A.S., Scheiner B.J. Studies of hydrothermal golddeposition. Part I: Carlin gold deposit, nevada, therole of carbonaceous materials in gold deposition. Economic Geology. 1970. Vol. 65. N 2, P. 87-102.
  23. Schmidt C.M., Heide K. Thermal analysis of hydrocarbons in Paleozoic black shales. Journal of Thermal Analysis and Calorimetry. 2001. Vol. 64. N 3, p. 1297-1302.
  24. Schmidt C.M. DEGAS – Untersuchungen zur Verwitterung von Schwarzpeliten: Dissertation. Jena: Friedrich-Schiller-Universität; 2005, p. 188.
  25. Stelzner T., Heide K. Degassing behavior of optical glasses. Glastechnische Berichte. 1992. Vol. 65. N 5, p. 150-156.

Similar articles

DEVELOPMENT OF AN OCCUPATIONAL SAFETY MANAGEMENT SYSTEM BASED ON THE PROCESS APPROACH
2019 V. A. Filimonov, L. N. Gorina
FEASIBILITY OF TYPE OF DEEP-WATER TECHNOLOGIES FOR THE EXTRACTION OF MARINE FERRO-MANGANESE NODULES
2019 D. A. Yungmeister, S. M. Sudarikov, K. A. Kireev
LIGNIN SLUDGE APPLICATION FOR FOREST LAND RECLAMATION: FEASIBILITY ASSESSMENT
2019 M. A. Pashkevich, T. A. Petrova, E. Rudzisha
CREATION OF TEMPERATURE INHOMOGENITIES WITH THE USE OF PELTIER ELEMENT FOR THE MASS-EXCHANGE PROCESSES INTENSIFICATION OF THE OIL AND GAS INDUSTRY
2019 Yu. L. Yunusova, V. G. Afanasenko
JUSTIFICATION OF THE TECHNOLOGICAL PARAMETERS CHOICE FOR WELL DRILLING BY ROTARY STEERABLE SYSTEMS
2019 Vladimir S. Litvinenko, M. V. Dvoinikov
SPECIAL STRATEGY OF TREATMENT OF DIFFICULTY-PROFILE CONICAL SCREW SURFACES OF SINGLE-SCREW COMPRESSORS WORKING BODIES
2019 A. S. Vasilev, A. A. Goncharov