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ArticleName Iron powder recycling in refining technology as a way of safety furthering
ArticleAuthor Maltsev E. V., Sobachinsky N. N., Khmelev N. B., Pavlov E. A.

“Krastsvetmet” JSC, Krasnoyarsk, Russia

E. V. Maltsev, Deputy Chief Executive Officer, Chief Engineer, e-mail:
N. N. Sobachinsky, Head of a Shop of Platinum Group Metals Beneficiation and Derefining of Refinery Industry Products
N. B. Khmelev, Deputy Head of a Shop of Beneficiation and Processing of Industrial Products
E. A. Pavlov, Head of Department of Obtaining the Precious Metals and Control of its Alloys of Experimental and Industrial Shop


Nowadays, there are being discussed the basic directions of governmental work on a toughening of enterprises` responsibility for its harmful environmental impact. The calendar dates are published along with amounts of increasing the payments for ecological damage to 2016. There are given the chemical composition characteristics and searching results of the directions of solid waste utilization. This solid waste is cake, which is released due to the described operating technology of derefining of the liquid wastes of refinery industry. On the basis of the early researching on extraction of magnetite from cake, the following operations were held:
– continuing the process optimization researching;
– testing the chosen processes of iron powder obtaining (carbonaceous reducing, soda method and iron reducing from its chlorides);
– proposing a new technological scheme of liquid wastes processing of refinery industry, which includes the recycling of iron powder.

Iron powder is obtained through the chloride scheme. As a cementing reagent, the characteristics of iron powder exceed the commodity powder, which is obtained from iron with the grade PGRV 4.200.26. The organization of iron recycling scheme in the refining technology leads to considerable decrease of solid wastes amount. Nowadays, “Krastsvetmet” JSC practices the substitution of iron powder, which is being yearly purchased, for the obtained powder from its recycling. This operation allows to decrease the factor cost on the purchased iron powder to 15 million roubles per year. According to the preliminary economic evaluation, the payback period will be not longer than five years. The payback period is considered, nonregistering the decreasing of payment for solid wastes burial, which part is very small in the whole enterprise`s payment for liquid wastes dumping.

keywords Ecological safety, derefining, liquid wastes, refinery industry, processing of solid wastes, utilization of solid wastes, recycling of iron powder

1. Krivoshein D. A., Muravey L. A., Roeva N. N., Shorina O. S., Eriashvili N. D., Yurovitskiy Yu. G., Yakovlev V. A. Ekologiya i bezopasnost zhiznedeyatelnosti (Ecology and life safety). Under the editorship of L. A. Muravey. Moscow : UNITI-DANA, 2000. 447 p.
2. Druzhina G. Ya., Tatarinov A. P., Emelyanov Yu. E., Yarosh Yu. B. Kompleksnaya pererabotka mineralnykh tekhnogennykh produktov, vklyuchayushchaya metody kuchnogo vyshchelachivaniya i magnitnoy separatsii (Complex processing of mineral antropogenic products, including heap leaching and magnetic separation methods). Zolotodobycha — Gold-mining. 2007. No. 106.
3. Doklad ministra prirodnykh resursov i ekologii RF na prezidiume Gossoveta 27 maya 2011 goda (Report of Minister of natural resources and ecology of Russian Federation on the presidium of State Council from 27 May 2011). Ministerstvo prirodnykh resursov i ekologii Rossiyskoy Federatsii (Ministry of Natural Resources and Ecology of Russian Federation). Available at :
4. Minprirody uvelichit platu za zagryaznenie okruzhayushchey sredy (Ministry of Nature increases the payment for environmental pollution). Ekologiya proizvodstva – Ecology of Industry. Available at :
5. Shapovalov A., Sapozhkov O. Kommersant — Kommersant. 2010. 25 October (No. 198). p. 6.
6. Kotlyar Yu. A., Meretukov M. A., Strizhko L. S. Metallurgiya blagorodnykh metallov : uchebnik : v 2 knigakh. Kniga 1 (Metallurgy of noble metals : manual : in two books. Book 1). Moscow : MISiS, “Ruda i Metally” Publ., 2005. 432 p.
7. Kotlyar Yu. A., Meretukov M. A., Strizhko L. S. Metallurgiya blagorodnykh metallov : uchebnik : v 2 knigakh. Kniga 2 (Metallurgy of noble metals : manual : in two books. Book 2). Moscow : MISiS, “Ruda i Metally” Publ., 2005. 391 p.
8. Shamov V. N., Kuchin N. M. Tsvetnye Metally — Non-ferrous metals. 2003. No. 6. pp. 54–59.
9. Metallicheskie poroshki i poroshkovye materialy : spravochnik (Metallic powders and powder materials : reference book). Under the editorship of Yu. V. Levinskiy. Moscow : ECOMET, 2005. 520 p.
10. Kozlov V. V. Sistemy rentgenospektralnogo mikroanaliza Inca Energy i Inca Wave (Systems of X-ray analysis Inca Energy and Inca Wave). Materialy konferentsii “Perspektivnye tekhnologii, oboru dovanie i sistemy dlya materialovedeniya i nanomaterialov” (Materials of Conference “Prospective technologies, equipment and systems for nanomaterials and materials technology”). Under the editorship of L. V. Kozhitov. Moscow : Interkontakt Nauka, Ust-Kamenogorsk : VKGTU, 2008. pp. 106–122.

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