Open Joint Stock Company MMC Norilsk Nickel

M. N. Naftal, Head of Technical Department, Direction of Operations Production Management, e-mail: NaftalMN@nornik.ru

Open Joint Stock Company “Gipronickel” Institute

L. N. Ertseva, Leading Scientific Associate of Pirometallurgical Laboratory

Federal State Autonomous Educational Institution of Higher Professional Education “Ural Federal University”

S. S. Naboychenko, President

By method of scanning electron microscopy (SEM) and electron probe microanalysis (EPMA) the researches of samples of “sandy”-granular sulphur-sulphide products, obtained as a result of autoclave-oxidative leaching of nickel-pyrrhotite concentrate during usage of different combined surface-active agent are realized. It's determined that in contrast to the previously known surface-active agents (LST, ESOMF), combined surfaceactive agents, which contained adsorption resins (AR) and oil-soluble sulfonates further to selective immersion wetting of sulphide by molten sulfur and saturation of the bulk of sulphur-sulphide globule with minerals of non-ferrous and precious metals. High extraction of non-ferrous metals, platinum, palladium and gold in the “sandy”-granular sulphur-sulphide products of nickel-pyrrhotine concentrate leaching, observed during usage a combined surface-active agent on the basis of the LST and oil organic additions, is testified about the prospects of this direction and the necessity to search for new surface-active agent, which can increase the ability of liquid sulfur to collect relict mineral complexes of valuable components. This interaction is an important part of the autoclave hydrometallurgy of pyrrhotites. The highest extraction of valuable components in “sandy”-granular sulphur-sulphide products provides DP-4 and DP-4CM additions. The obtained results can be used to develop an effective reagent conditions of autoclave-oxidation leaching for a wide range of sulfide materials, contained noble metals.

1. Serova N. V. Issledovanie i razrabotka avtoklavnykh operatsiy vyshchelachivaniya i agregatsii v tekhnologii Nadezhdinskogo metallurgicheskogo zavoda Norilskogo GMK : avtoref. dis. … kand. tekhn. nauk (Research and development of avtoclave leaching and aggregation operations in Plant “Nadezhda” of MMC Norilsk Nickel technology: author`s abstract. dis. ... Candidate of Engineering Sciences). Moscow, 1978. 168 p.
2. Onatskaya A. A., Shneerson Ya. M. Kompleksnoe Ispolzovanie Mineralnogo Syrya – Rational Utilization of Mineral Raw Materials. 1982. No. 9. pp. 37–40.
3. Onatskaya A. A., Shneerson Ya. M. Kompleksnoe Ispolzovanie Mineralnogo Syrya – Rational Utilization of Mineral Raw Materials. 1982. No. 4. pp. 36–41.
4. A. s. SSSR 1795657. MPK S 22 V 3/04 / M. N. Naftal, Yu. F. Markov, V. I. Goryachkin and etc. Sposob pererabotki sulfidnykh polimetallicheskikh zhelezosoderzhashchikh materialov (Method of polymetallic sulphide ironcontaining materials processing). 04.09.90.
5. Naboychenko S. S., Ni L. P., Shneerson Ya. M., Chugaev L. V. Avtoklavnaya gidrometallurgiya tsvetnykh metallov (Autoclave non-ferrous metals hydrometallurgy). Yekaterinburg, 2002. 940 p.
6. Naftal M. N., Vydysh A. V., Sukhobaevskiy I. Yu. and etc. Tsvetnye Metally – Non-ferrous Metals. 2009. No. 1. pp. 25–33.
7. Shneerson Ya. M., Onatskaya A. A., Krasnov A. L. Tsvetnye Metally – Non-ferrous Metals. 1982. No. 9. pp. 26–30.
8. Smirnov I. I., Shivrin G. N., Sirkis A. L. Avtoklavnaya tekhnologiya pererabotki pirrotinovogo kontsentrata (Autoclave technology of pyrrhotine concentrate processing). Krasnoyarsk, 1986. 256 p.
9. Naftal M. N., Petrov A. F., Saverskaya T. P. and etc. Tsvetnye Metally – Non-ferrous Metals. 2009. No. 8. pp. 53–62.
10. Naboychenko S. S. Avtoklavnaya pererabotka medno-tsinkovykh i tsinkovykh kontsentratov (Autoclave processing of copper-zinc and zinc concentrates). Moscow, 1989. 112 p.
11. Sadykov S. B. Avtoklavnaya pererabotka nizkosortnykh tsinkovykh kontsentratov (Autoclave processing of low-grade zinc concentrates). Yekaterinburg, 2006. 581 p.
12. Naftal M. N., Naboychenko S. S. Tsvetnye Metally – Non-ferrous Metals. 2010. No. 6. pp. 56–62.
13. Naftal M. N., Shestakova R. D., Petrov A. F. and etc. Khimicheskaya tekhnologiya – Chemical Engineering. 2003. No. 12. pp. 29–33.
14. Ertseva L. N. Issledovanie tverdofaznykh prevrashcheniy, proiskhodyashchikh pri nagreve sulfidnogo medno-nikelevogo syrya, i razrabotka na osnove poluchennykh dannykh usovershenstvovannykh tekhnologicheskikh protsessov ego pererabotki : avtoref. dis. ... dokt. tekhn. nauk (Study of solid-phase transformations in time of coppernickel sulfide raw materials heating, and based on these findings development of improved technological processes of its processing: author’s abstract... Doctor of Engineering Sciences). Saint Petersburg, 2001.

15. Timoshenko E. M. Razrabotka usovershenstvovannoy tekhnologii avtoklavnoy pererabotki pirrotinovykh kontsentratov : avtoref. dis. … kand. tekhn. nauk (The development of improved autoclave technology of pyrrhotine concentrate processing: author’s abstract... Candidate of Engineering Sciences) Moscow, 2001. 169 p.