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Vol. 18 (2015 year), No. 2
Mazukhina S. I., Masloboev V. A., Chudnenko K. V., Maksimova V. V.
Results of modeling of interactions
of "water – oil" in sea and river systems of the Far East
Using physical-chemical modeling (Selector software package, Chudnenko, 2010) the investigations identified the features of interactions of oil with sea and fresh waters on objects of the Far East have been performed. The results of the modeling have confirmed the patterns found on objects of the Murmansk region but there have been some differences connected with conditions of the Far East waters chemical composition formation. The developed models can be used for the forecasting of consequences of oil spills in sea and river waters of the Far East
(in Russian, стр.6, fig. 6, tables. 0, ref 13, Adobe PDF, Adobe PDF 0 Kb)
Vol. 18 (2015 year), No. 2
Svetlov A. V., Potapov S. S., Potapov D. S., Kravchenko E. A., Erokhin Yu. V., Potokin A. S., Selivanova E. A., Suvorova O. V., Kumarova V. A., Nesterov D. P., Makarov D. V., Masloboev V. A.
Investigation of possibility of recovery nonferrous metals and producing building materials from copper-nickel smelterslag
Pelletized slag of copper-nickel smelter ("Pechenganikel" combine, "Kola MMC" JSC) has been investigated as a potential technogenic deposit. It has been shown that nonferrous metals can be re-extracted from slag using flotation. The work presents the results of laboratory simulation of heap leaching of non-ferrous metals. Ceramic building materials from slag-based feed have been produced and their main properties have been studied
(in Russian, стр.10, fig. 6, tables. 4, ref 18, Adobe PDF, Adobe PDF 0 Kb)
Vol. 18 (2015 year), No. 2
Sulimenko L. P., Koshkina L. B., Mingaleva T. A., Makarov D. V., Masloboev V. A.
The investigation of molybdenum migration in aqueous media landscape
of the Khibiny massif to develop environmental activities
Relations of natural and technogenic factors at forming of molybdenum making streams in superficial and underground waters in the Khibiny massif have been studied. The priority sources of receipt of molybdenum in water objects have been considered. Taking into account hydrogeochemistrical properties of molybdenum the terms of strategy of decline of its negative influence on superficial currents in the conditions of productive mining complex activity have been defined
(in Russian, стр.11, fig. 4, tables. 8, ref 8, Adobe PDF, Adobe PDF 0 Kb)
Vol. 20 (2017 year), No. 1, DOI: 10.21443/1560-9278-2017-20-1/2
Svetlov A. V., Makarov D. V., Potapov S. S., Nekipelov D. A., Seleznev S. G., Masloboev V. A.
Research of leaching of disseminated copper-nickel ores
in their interaction with mine waters
A great amount of mine waste creates serious problems for economy and ecology in mining regions. Keeping of dumps and tailings storages requires huge capital costs and material inputs. Removal of overburden volumes cause ecological disequilibrium, ingress of chemical agents and heavy metals in ground and surface water have an adverse influence on eco-systems and human health. These hazards are particularly high under extreme climatic conditions, when mines create vast desert lands around themselves. Foreign researchers use the terms "acid mine drainage" (AМD) and "acid rock drainage" (ARD) when speaking on mine water oxidation and contamination of the environment with heavy metals. AMD is induced by underground mine drainage, natural sulfide-bearing rock exposures, etc. The processes occurring in the interaction the mine water with fine dust particles, as well as water filtering through the thick sulfide rocks have been studied. It has been shown that the reduction in potential environmental hazard of mine water of JSC "Kola MMC" is achieved through precipitation of heavy metals by iron hydroxide and magnesium hydrosilicate. Preliminary assessment of the feasibility of hydrometallurgical processing of disseminated copper-nickel ores has been made
(in Russian, стр.12, fig. 8, tables. 1, ref 16, Adobe PDF, Adobe PDF 0 Kb)
Vol. 20 (2017 year), No. 1, DOI: 10.21443/1560-9278-2017-20-1/2
Mazukhina S. I., Masloboev V. A., Sandimirov S. S.,
Pozhilenko V. I., Ivanov S. V.
Forming chemical composition of surface waters
in the Arctic. Case study of Lake Inari and the River Paz
Questions of studying the formation of surface and ground waters, their interaction with rocks, development of the basics of their rational use and protection are of great fundamental and practical importance. The influence of the northern Fennoscandian (Baltic) Shield rock composition on forming surface waters' chemical composition in the border area of Finland – Russia – Norway (Lake Inari, the River Paz) using physical-chemical modeling (Selector software package) has been evaluated. For the physical-chemical modeling there have been made two samples of chemical analyses of the most widespread rocks forming the catchment area, with their percentage ratio taken into consideration. Since the catchment area of the prevailing majority of streams feeding Lake Inari is composed of rocks of the Lapland granulite belt (LGB) and its framing, it will be the main sample (conditional influence of their composition on the chemical composition of waters is about 80 %). The second sample includes gneisses, migmatites, granite-gneisses, granites and quartz diorites typical for Inari terrane (conventional influence of their composition on the chemical composition of waters is about 20 %). It has been found that the chemical composition of the surface waters is formed by interaction of precipitation with intrusive, metamorphic and sedimentary rocks of northern Fennoskandia containing Clarke concentrations of S, C, F, Zn, Ni, Pb, Cu. It has been shown that due to interactions in the water – rock system the chemical composition of Lake Inari waters as well as upper and middle flow of the River Paz is formed by weathering of granulites of the Lapland granulite belt and Inari terrane granitoids of the northern Fennoscandia. The chemical composition of waters in the River Paz downstream is formed by weathering of metamorphosed volcanic and sedimentary rocks of the Pechenga structure and the impact of industrial pollution.
(in Russian, стр.9, fig. 2, tables. 5, ref 11, Adobe PDF, Adobe PDF 0 Kb)
Vol. 21 (2018 year), No. 1, DOI: 10.21443/1560-9278-2018-21-1
Mazukhina S. I., Pozhilenko V. I., Masloboev V. A., Sandimirov S. S., Gorbacheva T. T., Drogobuzhskaya S. V., Ivanov S. V.
The formation of the chemical composition of groundwater in South Prohibiny using the example of "Predgorny" water intake
Researchers from Russia and foreign countries, studying medical and environmental contamination of drinking water, point to the relationship of public health with chemical composition of groundwater and anthropogenic inclusions. The aim of the work is to detect the change in chemical composition of natural waters formed within the Khibiny massif and its closest framing depending on the composition of rocks in the catchment area and on anthropogenic impact by means of physical and chemical modeling and modern precision methods of analysis. To achieve the goal the sampling has been taken at the "Predgorny" water intake (Koashva, the Kirovsk district). The complete hydrochemical analysis has shown the presence in waters of such elements as uranium, molybdenum, silver, barium, which supplemented the database of groundwater chemical composition. For the physical-chemical modeling, there have been made some samples of chemical analyzes of the most common rocks composing the southeastern part of the Khibiny massif as the main catchment area. The analysis of the obtained results has made it possible to separate the rock influence from anthropogenic, natural chemical composition of waters from filtered mined (anthropogenic). It has been shown that already in natural (pure) waters the ratios of Ca/P and Ca/Sr can lead to bone diseases. It has been determined that the chemical composition of groundwater from the "Predgorny" water intake is affected by the chemical composition of rocks and surface waters containing oxygen, nitrogen nitrates, chlorine, which affect pH (reducing it), the migration patterns of aluminum, manganese, iron and other elements. In the bones of humans and animals, approximately 70 % falls on hydroxyl apatite Ca5(PO4)3OH. OH group can be replaced by F, Cl, O. Calcium can be isomorphically replaced by a number of elements: Sr, U, Ba, etc. that lead to diseases of bones and teeth. The research results can be useful in the fields of geochemistry, hydrology, ecology, and medicine
(in Russian, стр.10, fig. 6, tables. 2, ref 18, adobe PDF, adobe PDF 0 Kb)
Vol. 23 (2020 year), No. 1, DOI: 10.21443/1560-9278-2020-23-1
Makarov D. V., Borovichev E. A., Klyuchnikova E. M. , Masloboev V. A.
Environmental protection and sustainable development of the mining industry in Murmansk Region, Russia
The mining complex of the Murmansk region (Russia) has a negative impact on natural ecosystems and worsens the quality of the environment, since the development of non-renewable mineral resources is associated with a significant transformation and destruction of natural communities. In the Murmansk region, where the mining industry forms the basis of the regional economy, the research aimed at achieving sustainable development goals involves the search for 1) new integrated approaches to ensure the development and implementation of environmentally friendly technologies for the extraction and processing of minerals; 2) managerial decisions supporting the transition to a circular economy; 3) the establishment and development of protected areas, including compensatory; 4) the restoration of disturbed landscapes; 5) the development of nature-like technologies for the recovery of valuable components from minerals, and 6) the protection of the environment. Futhermore, there is need for a constant search for some balance of interests of local communities and mining corporations in the context of environmental protection and economic development in order to maintain social sustainability. Without designing the foundations of the state policy for the transition to a closed-loop economy, the implementation of even existing technologies will be too slow. There is a survey of nature-like technologies developed in the Kola Science Center of the Russian Academy of Sciences for processing minerals and protecting the environment, rehabilitation of disturbed areas exposed to industrial air pollution, reclamation of the water and land areas polluted by oil and oil products as well as examples of territorial nature conservation that do not block the development of processing minerals.
(in English, стр.5, fig. 0, tables. 1, ref 29, AdobePDF, AdobePDF 0 Kb)
Vol. 24 (2021 year), No. 1, DOI: 10.21443/1560-9278-2021-24-1
Maksimova V. V., Krasavtseva E. A., Masloboev V. A., Makarov D. V.
Investigation of the solubility of dust particles in soil solution at different temperatures (on the example of the tailings of the loparite ores' concentration)
A number of large mining enterprises are located on the territory of the Murmansk region. Dusting overburden dumps and tailings storage sites leads to a complex of long-term consequences for the environment. The output of the silty fraction (–0.071 mm) of "stale" tailings of loparite ore dressing (the first field of the tailing dump) is about 22 %. The investigated material is represented by nepheline, microcline, aegirine; loparite, analcime are diagnosed in impurity quantities; the average content of cerium, lanthanum, neodymium – rare earth elements of the light group – 0.18, 0.03 and 0.015 %, respectively. In laboratory conditions, a simulation of the ingress of a fine fraction of loparite ore dressing tailings into the soil has been carried out; the interaction of tailings material with distilled water and water extract from conditionally background soil at different temperatures has been studied. In the course of the study, it has been found that the introduction of dissolved organic matter intensifies the processes of destruction and partial dissolution of the aluminosilicate matrix of rock-forming minerals; an intensive transition of rare earth elements and heavy metals into soluble forms has been recorded. The research results indicate the ecological danger of the finely dispersed material of "stale" tailings of loparite ore dressing due to the ingress of dust particles into the soil and their interaction with soil waters.
(in Russian, стр.10, fig. 8, tables. 1, ref 24, AdobePDF, AdobePDF 0 Kb)