"Fundamental Problems…". Vol.I
APPLIED GEOMECHANICS
UDC 550.34 + 622.831 PENDULUM-TYPE WAVES AND PROCESS FOR THEIR DIFFERENTIATION FROM LARGE EARTHQUAKES IN RECORDINGS OF. A. LASER DEMOGRAPHER
Bagaev S. N., Oparin V. N.,* Orlov V. A., Panov S. V., and Parushkin M. D.
*Institute of Laser Physics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
Institute of Mining, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
ABSTRACT: Special research was undertaken to find a slow strain pendulum-type wave, which accompanies a strong close-distance earthquake as an earthquake effect. The analysis of a laser-recorded deformation and the after-shock activity of a number of strong seismic events in the Baikal rift zone enabled to detect a slow strain wave in the velocity range within ~0.43–1.76 m/s.
UDC 622.831 EVALUATION OF ROCK MASS SEISMICITY INDUCED BY MINING OPERATIONS ON THE BASIS OF. A. SET OF FORCASTING CRITERIA
Mel’nikov N.N., Kozyrev A. A.,
Fedotova Yu.V., and Zhuravleva O. G.
Mining Institute, Kol’sky Scientific Centre, Russian Academy of Sciences, Apatity, Russia
ABSTRACT: The complex procedure for forecasting earthquake-prone zones is presented, and the results of its adaptation to the Khabinsky rock mass are reported. The combination of different prognostic criteria makes it possible to identify earthquake zones with a variable configuration and location when stresses in a rock mass are redistributed under man-induced mining impacts.
UDC 539.3 INTEGRATION OF GEOPHYSICAL RESEARCHES TO PROVIDE PARAMETRIC GROUNDS FOR GEOMECHANICAL CALCULATIONS AT THE VERHNE-KAMSK POTASSIUM DEPOSIT
Baryakh A. A., Sanfirov I. A., Stepanov Yu.I., and Akhmatov A. E.
Mining Institute, Ural Branch, Russian Academy of Sciences, Perm, Russia
ABSTRACT: Methodical approaches to application of complex geophysical survey data in geomechanical calculations at different stages of the mineral deposit exploitation are considered.
UDC 539.375 + 622.831 DEVELOPMENT OF DISTRIBUTED GEOMECHANICAL MONITORING SYSTEMS BASED ON DATA OF THE REMOTE-SENSING DATA
Oparin V. N., Potapov V. P.*, and Semenov A. V.*
Institute of Mining, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
*Institute of Coal and Coal Chemistry, Siberian Branch, Russian Academy of Sciences, Kemerovo, Russia
ABSTRACT: The geomechanical monitoring system based on the data of the remote Earth’s surface sensing is proposed. The procedure for obtaining the wanted information is described. It is outlined that the systematic analysis of data on the remote Earth sensing is not so far practiced to solve the mine safety problems due to development of the proper distributed intellectual geoinformation medium.
UDC: 622.83 ROOF STABILITY AND REINFORCEMENT IN NATURAL UNDERGROUND CAVITIES AND CAVES
Suneg Gabor
Obuga University, Budapest, Hungar
ABSTRACT: The author considers stability and reinforcement of specific underground areas, namely, caves and other natural cavities. Peculiar features of reinforcement, search systems for dangerous areas, evaluation of danger evolution are briefed on. The types of natural caving and basic principles of their reinforcement are reviewed.
UDC 539.374 CONDITIONS AND CHARACTER OF POSSIBLE DISPLACEMENTS OF CONE-SHAPED PIT WALLS
Chanyshev A. I., Efimenko L. L., Podyminogin G. M.*, and Kung N. K.**
Institute of Mining, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
*Novosibirsk State University, Novosibirsk, Russia
**Cheng Shiu University, Taiwan, PRC
ABSTRACT: Conditions for loss of the cone-shaped pit wall stability are identified. The character of a rock mass displacement is established within the frame of a rigid-plastic body. An angle of pit slope to horizon, angle of stratum dip, area of pit bottom, material properties are accounted. The maximum pit depth is calculated. The problem is solved in terms of axisymmetric deformation.
UDC 622.531 SUBSTANTIATION OF PARAMETERS AND DEVELOPMENT OF. A. SEICMIC VIBRATOR WITH MIXED DYNAMIC LOADING
Bulat A. F., Lenda V. A., and Verba Yu.V.*
Institute of Geotechnical Mechanics of N. S. Polyakov, National Academy of Sciences of Ukraine, Dnepropetrovsk, Ukraine
*OOO «Kripton-M», Kiev, Ukraine
ABSTRACT: The authors present substantiation of parameters and development of a seismic vibrator of a variable dynamic structure and substantially non-linear elastic connections.
UDC 622.831 GEOMECHANICAL EVALUATION OF DEEP SUBLEVEL CAVING WITH THROUGHOUT-FRONTAL ORE DRAWING
Neverov C. A., Neverov A. A., and Freidin A. M.
Institute of Mining, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
ABSTRACT: Mathematical modeling data on the stress state of a rock-mass are obtained for the sublevel caving with the throughout-frontal ore drawing. The critical safe depth for application of this geotechnology is established.
UDC 622.831 : 539.3 EVALUATION OF STRESSES AND DISPLACEMENTS IN. A. LAYERED ROCK BLOCK
Krasnovsky A. A. and Mirenkov V. E.
Institute of Mining, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
ABSTRACT: Evaluation of piecewise-homogenous rock blocks is based on the set of singular integral equations which relate values of stress and displacement components at the boundary. Results of numerical implementation are discussed.
UDC 577.4 GEOMECHANICAL ASPECTS OF THE IMPACT OF ZHYREKENSK MINING COMPLEX ON LAND RESOURCES
Oveshnikov Yu.M., and Ryazantsev S. S. Chita
Chita State University, Chita, Russia
ABSTRACT: Survey data on the use of the mine land allotment by the Zhyrekensk Mining Complex are reported. The recent survey and forecast data on the land utilization are presented for the next decade.
UDC 550.34 + 622.831 FOUNDATION OF DEEP SURVEY-PLUG STATIONS BASED ON OPTO-ELECTRONIC SENSORS TO CONTROL DISPLACEMENTS OF UNDERGROUND ROCK ROOF
Potapov V. P., Chugui Yu.V.*, Potashnikov A. K.*, Cycoev E. V.*,
Stepnov L. M.*, Kulikov R. V.*, Yushkin V. F.**, and Sokolov E. V.**
Institute of Coal and Coal Chemistry, Siberian Branch, Russian Academy of Sciences, Kemerovo, Russia
*Design and Technology Institute of Data Processing Equipment, Siberian Branch, Russian Academy of Sciences
Novosibirsk, Russia
** Institute of Mining, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
ABSTRACT: The deep survey-plug station based on micrometric optoelectronic position-sensing transducers is described in brief. The configuration of the distributed multi-processor system for control of the peripheral rock parting around mine workings, displacements of layers and rock blocks in depth under rock-pressure manifestation within a structurally-heterogeneous stressed rock mass are considered. Advantages and main specifications of the multi-processor measurement system are outlined.
UDC 622.7.026.3 ON INVARIANT SCALE FOR ROCK PROPERTY PRESENTATION
Oparin V. N. and Tanaino A. S.
Institute of Mining, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
ABSTRACT: The scale built by module 20.5 is invariant for construction of generalized rock classifications by physico-mechanical, structural and processing properties. This approach enables to present the classification through analytical formulae rather than the conventional tabular form.
UDC 622.271.3 + 622.833.5.004.942 NUMERICAL MODELING OF TECHNOGENIC STRESS FIELDS IN AN ELASTIC HETEROGENOUS ROCK MASS, CONTAINIG AN OPEN PIT
Kozyrev A. A., Semenova I. E., Rybin V. V., and Avetisyan I. M.
Mining Institute, Kolsky Scientific Centre, Russian Academy of Sciences, Apatity, Russia
ABSTRACT: The finite-element modeling of the stress state of a rock mass in the vicinity of a large open pit is presented. Boundary conditions are prescribed on the base of in-situ measurements of stress parameters. Location of dangerous zones is identified in the rock mass surrounding pit walls. The local finite-element model of a wall-section with vertical benches is constructed.
UDC 622.831 PHOTOELASTIC SENSORS TO MEASURE STRESSES IN HARD ROCKS
Sharapova M. D., Kulakov G. I., Semenova L. N.*, Klopov V. I.**
Institute of Mining, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
*Novosibirsk Design-Research Institute, OAO «ZapSibTsvetMet,» Novosibirsk, Russia
** Mine No. 12 ОАО «Kiselevskugol», Kuselevsk, the Kemerovo Region, Russia
ABSTRACT: The authors present the downhole two-layered photo-elastic sensors to measure stresses and strains in hard rocks at underground mines.
UDC 539.375 PECULIARITIES OF EVOLUTION CLOSELY LOCATED HYDROFRACTURES
Kolykhalov I. V. and Sher E. N.*
Novosibirsk State Technical University, Novosibirsk, Russia
*Institute of Mining, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
ABSTRACT: The calculation data on stress fields nearby two closely located fractures in a plain statement are reported. Dependences between stress intensity coefficients and external pressure, internal fracture pressure and geometry of fractures are established. The zone of an existing fracture influence on a new-formed one is identified from the available data. The paths of new-developed fractures in the zone of the existing fissure influence are plotted.
UDC 622.235.361 INFLUENCE OF. A. MICROSTRUCTURE ON THE CHARACTER OF EXPLOSIVE FAILURE OF METASOMATITES
Ishchenko K. S. and Kratkovsky I. L.
N. S. Polyakov Institute of Geotechnical Mechanics, National Academy of Science of Ukraine, Dnepropetrovsk, Ukraine
ABSTRACT: Experimental data on failure of models made of natural complex polymineral materials under dynamic explosive loads are considered.
UDC 624.153.7 + 531.7 INVESTIGATION INTO INTERACTION OF SWIVEL ANCHOR WITH GROUND
Kramajan A. A. and Rusin E. P.
Institute of Mining, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
ABSTRACT: The design and the process for mounting swivel soil anchors with a flexible load-carrying element are described. Specific features of swivel anchor kinematics are given. The data on laboratory and in-situ tests of this anchor type are reported.
UDC 622.831.3 : 550.370 ELECTROMAGNETIC RADIATION IN BOREHOLES AT THE TASHTAGOLSKAYA MINE
Britkov N. A., Kulakov G. I., Shipovalov V. A., and Moiseyev S. V.*
Institute of Mining, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
*Tashtagolskaya Mine, Affiliate of OAO «Evrazruda, Tashtagol, the Kemerovo Region, Russia
ABSTRACT: Downhole electromagnetic surveying device ZEMI-1, developed to study electromagnetic radiation of rocks at underground mines, is described. The experimental data obtained at the Tashtagolskaya Mine are reported.
UDC 622.831.32 REVIEW OF WEEKLY ROCKBURST CYCLES AT THE DONETSK COAL BASIN MINES
Kulakov G. I.
Institute of Mining, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
ABSTRACT: Coal and gas outburst events occurred at five coal mines of the Donetsk Coal Basin within 1948–1952 are reviewed. The five-years review of weekly rockburst cycles is analyzed.
UDC 622.831 TEMPERATURE STRESSES IN ROCK MASSES OF BLOCK STRUCTURE
Gakhova L. N.
Institute of Mining, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
ABSTRACT: The numerical model to solve quasistatic thermo-elasticity problems for piecewise-homogeneous media is developed on the basis of the boundary integral equation method. The problem of the stress state of the steel-concrete pipeline of the circular multilayered section under season variations in air and water temperature is solved as an example.
UDC 622.121.54 GAS-MECHANICAL PROCESSES PROCEEDING IN HOST ROCKS IN FRONT OF ADVANCING STOPE
Kozyreva E. N., Anufriev V. E., and Shinkevich M. V.
Institute of Coal and Coal Chemistry, Siberian Branch, Russian Academy of Sciences, Kemerovo, Russia
ABSTRACT: Procedure for evaluation of methane emission dynamics at high-productive coal mining sites is worked out on the basis of the concept of variable parameters of man-induced geomechanical processes running within host rocks in front of a stope and in the solid coal-gas solution (TUGR).
UDC 539.375 EVALUATION OF PARAMETERS FOR HYDROFRACTURE EVOLUTION WITHIN. A. REGULAR BLOCK ROCK MASS
Martynyuk P. A. and Sher E. N.
Institute of Mining, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
ABSTRACT: Authors evaluate the influence of the compression-field and block-medium parameters on the shape of the main fracture and on the opening of its straight sections.
UDC 622.831 INTROSCOPY OF DISCRETE MEDIA BY OPTICAL RADIATION
Kramajan A. A. and Rusin E. P.
Institute of Mining, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
ABSTRACT: Possible application of penetrating light emission of a visible band in order to visualize a granular medium structure and geometry of areas, braced by deformation, is discussed and demonstrated.
UDC 622.831 GEOMECHANICAL ANALYSIS OF THE STOPE BENCH STATE IN SLICE DISCENDING MINING TECHNOLOGY
Baryshnikov V. D., Gakhova L. N., and Latynin V. V.*
Institute of Mining, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
* Mirninsky Mining Complex AK»Alrosa," Mirny, Russia
ABSTRACT: The evolution of the stress-strain state in the vicinity of stope drifts is analyzed when the chamber-and-pillar mining is employed to develop an underworked rock mass at the Internatsional’ny Mine, AK «Alrosa.» The stress redistribution regularities at boundaries of entry drifts are established and the ore extraction sequence is worked out.
UDC 622.23.02 SIGN-VARIABLE TEMPERATURE EFFECT ON SPECIIFC POWER CONSUMPTION IN KIMBERLITE GRINDING PROCESS
Kurilko A. S. and Zakharov E. V.
N. V. Chersky Mining Institute of the North, Siberian Branch, Russian Academy of Sciences, Yakutsk, Russia
ABSTRACT: The authors report research data on the sign-variable temperature effect on the specific power consumption in kimberlite grinding process at the Internatsional’ny Mine and the Mir Mine.
UDC 539.3 MODEL OF. A. BLOCK MEDIUM OF BRICKWORK-TYPE STRUCTURE
Saraikin V. A. and Volchkov Yu.M.*
Institute of Mining, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
*M. A. Lavrentiev Institute of Hydrodynamics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
ABSTRACT: Interaction of rectangular blocks divided by interlayers is considered. The calculation of forces acting along the block perimeter enables to derive the block-motion equations.
UDC 550.34 + 622.831 STRAIN-GAUGE STATION OF MEASUREMENT PROBES WITH THE USE OF OPTICO-POLIRIZATION GAUGES TO DETTECT LATERAL BOREHOLE DEFORMATIONS
Yushkin V. F., Izotov A. S., Fedorinin V. N.,* Sidorov V. I.,* Marysyuk V. P.,** Babkin E. A.,** and Nagovitsin Yu.N.**
Institute of Mining, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
*Technological Design Institute of Applied Microelectronics, Siberian Branch, Russian Academy of Sciences,
Novosibirsk, Russia
**ZF OAO "GMK «Norilsky Nickel», Norilsk Russia
ABSTRACT: Design of the strain-gauge station involving measurement probes to detect lateral borehole deformations. The probe is equipped with the logging system to provide prompt measurements. The system is of prime importance to monitor the stress state of rock pillars at underground mining.
UDC 622.28.017 + 531.746 MULTIPURPOSE MEASERMENT SYSTEM TO EVALUATE STRESS-STRAIN STATE AND MECHANICAL PROPERTIES OF ROCKS
Baryshnikov V. D. and Kachal’sky V.G.
Institute of Mining, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
ABSTRACT: The desirability and description of the measurement system designed to evaluate the stress state and mechanical properties of rocks under field and mine conditions with the use of advanced engineering solutions and software tools are substantiated.
UDC 622.245.5 UP-DATING OF TECHNICAL FACILITIES, PRODUCING THE IMPULSE-WAVE DOWNHOLE EFFECT ON OIL RESERVOIRS
Bulat A. F., Lenda V. A., and Verba Yu.V.*
N. S. Polyakov Institute of Geotechnical Mechanics, National Academy of Sciences of Ukraine, Dnepropetrovsk, Ukraine
*OOO «Kripton-NK, Kiev, Ukraine «
ABSTRACT: The authors present the development and full-scale implementation of the process for impulse-wave impact on productive oil reservoirs in order to improve oil recovery.
UDC 550.34 + 622.831 MEASUREMENT SYSTEM TO MONITOR THE STRAIN-ELECTROMAGNETIC PROCESSES WITHIN ROCK MASSES
Yushkin V. F., Kulakov G. I., Sokolov E. V., Plotnikov S. V.,* Kuchinsky K. I.,* Gurenko V. M.,*
Kozlov D. V.,* Kashcheyev K. P.,* and Ladygin V. I.*
Institute of Mining, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
*Design-Technology Institute of Scientific Instrumentation Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
ABSTRACT: The authors consider the basic principles for developing the measurement system with the remote monitoring of strain-electromagnetic processes within rock masses. The system involves a four-channel longitudinal downhole strain-gauge probe, equipped with a sensor to measure electromagnetic emission within rocks. The configuration of the probe, base support, metrological stand and system-technical solutions providing communication access are presented.
UDC 539.375 EVOLUTION OF HYDROFRACTURING SYSTEM UNDER IMPULSIVE LOADING
Panov A. V. and Martynyuk P. A.*
Novosibirsk State University, Novosibirsk, Russia
*Institute of Mining, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
ABSTRACT: The research covers the effects of pressure impulses, number of initial fractures, their orientation, and parameters of the external compression field on the trajectory of the stellate-type fracturing.
UDC 622.531 MINE INVESTIGATION INTO VIBRO-SEISMIC PROCESS FOR MONITORING OF THE CRITICAL STRESS STATE OF. A. ROCK MASS
Bulat A. F., Lenda V. A., and Verba Yu.V.*
Institute of Geotechnical Mechanics of N. S. Polyakov, National Academy of Sciences of the Ukraine, Dnepropetrovsk Ukraine
*OOO»Kripton-M», Kiev, Ukraine
ABSTRACT: The research data are presented on substantiation of parameters and mine tests of the vibro-seismic process for control of a rock-mass state in order to prevent the catastrophic rock-pressure manifestation.
MINERAL DRESSING
UDC 622.765.4 DEVELOPMENT OF THE CALCULATION METHOD TO DESIGN FLOTATION MACHINES
Kondratiev S. A.
Institute of Mining, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
ABSTRACT: The comparative analysis of well-known flotation machines is given. The constitutive design features affecting technological and economical parameters of the machines are considered. The general approach to calculation of basic parameters is described.
UDC 622.7 SCIENTIFIC APPROACH TO EFFICIENT PROCESSING OF REBELLIOUS GOLD-BEARING RAW MATERIALS
Alexandrova T. N. and Rasskazov I.Yu.
Mining Institute, Far-Eastern Branch, Russian Academy of Sciences, Khabarovsk, Russia
ABSTRACT: Peculiarities and basic principles of beneficiation of gold ores from Far East mineral deposits are discussed.
UDC 622.7 FORMATION OF ION-RADICAL CLUSTERS AT INTERPHASE BOUNDARY IN PREPARATION OF MINERAL MATRICES AND SORBENTES FOR LEACHING
Sekicov A. G.
Chita Affiliate, Institute of Mining, Siberian Branch, Russian Academy of Sciences, Chita, Russia
ABSTRACT: Physico-chemical processes at interphase boundary are considered in terms of the formation of ion-radical clusters. Basic trends in the controllable cluster formation in the course of preparation of mineral matrices and sorbents for leaching are substantiated.
UDC 622.7 PROCESSING OF TECHNOGENIC RAW MATERIALS PRODUCED AT THE KOLA PENINSULAR
Gershenkop A.Sh., Khohulya M. S., and Mukhina T. N.
Mining Institute, Kola Scientific Centrem Russian Academy of Sciences, Apatity, Russia
ABSTRACT: The review of technogenic formations of the Kola Peninsular is given. Perspectives of their utilization as secondary mineral raw materials or construction materials are considered. It is shown that the advance in mining and processing technologies for technogenic materials make the grounds to maintain the level of production of marketable concentrated products against the well defined tendency to lower valuable content in mineral raw materials.
UDC 622.7 ADVANCED TENDENCIES IN PROCESSING OF REBELIOUS MINERAL RAW MATERIALS
Kotova O. B., Ozhogina E. G.,* Kondraiev S. A.**, Rostovtsev V. I.**
Institute of Geology, Komi Science Centre, Ural Baranch, Russian Academy of Sciences, Syktyvkar, Russia
*Fedorovsky All-Russian Research Institute for Mineral Resources, Moscow, Russia
**Institute of Mining, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
ABSTRACT: The analysis of new-developed technological mineralogy methods is given. The role and peculiarities of ore treatment by non-mechanical energy effects such as: plasma treatment, mechanical activation, nano-structuring are identified. It is shown that the accelerated-electron treatment weakens a mineral raw material, modifies its flotation properties and intensifies magnetic properties of iron-containing sulfide materials.
UDC 622.77 RECOVERY OF VALUABLES FROM UNCONVENTIONAL MINERAL RAW MATERIALS
Prokhorov K. V. and Bogomyakov R. V.
Mining Institute, Far-East Branch, Russian Academy of Sciences, Khabarovsk, Russia
ABSTRACT: The power and heat industries working on coal produce a good deal of wastes. In this connection the development of processes for their efficient utilization is of actual value nowadays. The ash-slag wastes are analyzed as a raw material containing valuable components. Processes for recovery of aluminium and iron-containing components and respective problems are considered in the paper.
UDC 541; 621.359.7 PROCESS FOR RECOVERY OF NON-FERROUS METALS FROM UNCONVENTIONAL RAW MATERIALS
Bochkarev G. R., Pushkareva G. I., Maslii A. I.*, and Belobaba A. G.*
Institute of Mining, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
*Institute of Solid State Chemistry and Mechanochemistry, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
ABSTRACT: Research data on two-staged process for extraction of non-ferrous metal ions from industrial solutions and sewage waters are presented. The combination of electrolysis on porous flow cathodes and sorption onto brucite makes it possible to solve the problem of metal loss along with the minimized ecological impact on the environment.
UDC 551.442 GEOECOLOOGICAL ASPECTS OF INFLUENCE OF UNDERGROUND MINING ON ENVIRONMENT STABILITY
Gasparyan V. R. and Gaevski A.*
Institute of Geophysics and Engineering Seismology, National Academy of Sciences, Republic of Armenia, Gumry, Armenia
*Geophysical Research Centre, Warsaw, Poland
ABSTRACT: Geoecological problems in the Spitak earthquake epicenter zone are considered. The preliminary list of conditions and factors fostering the development of unfavorable subterrial processes, which are stemmed from underground worked-out mining areas and voids, located in the central district of the city, is reviewed based on the analysis of available geological, geophysical, and geotechnical information.
UDC 622.342 : 536.244 RE-DEVELOPMENT OF DEEP TECHNOGENIC PLACER FORMATIONS IN PERMAFROST ZONE BY THE HYDRAULIC WASHING-OUT MINING PROCESS
Kiselev V. V. and Khokholov Yu.A.
N. V. Chersky Mining Institute of the North, Siberian Branch, Russian Academy of Sciences, Yakutsk, Russia
ABSTRACT: The process is proposed for two-staged underground extraction of pillars at worked-out placer mines in permafrost zones by using the hydraulic washing-out mining technology with the follow-up erection of artificial ice-rock masses in these sites. The authors report the process flowsheets and the research results obtained from the mathematical models, developed to calculate process parameters.
UDC 622.012.2 : 556.3:51 FORMATION OF TECHNOGENIC HYDROSPHERE IN THE COURSE OF EXPLOITATION AND ABANDONMENT OF. A. MINE
Rybnikova L. S., Feldman A. L.*, and Rybnikov P. A.*
Mining Institute, Ural Branch, Russian Academy of Sciences, Ekaterinburg, Russia
*NPiPP «PANEKS», Ekaterinburg, Russia
ABSTRACT: Regularities underlying the formation of technogenic hydrosphere in the course of the 50-years exploitation of the silicate-nickel ore deposit in the Southern Ural are considered. Flooding of the open pit worsened the pit water quality, effected by the residual ore, rich in nickel and cobalt, within the active water exchange zone.
UDC 622.7 RESEARCH DATA ON PHOTOELECTROCHEMICAL METAL LEACHING FROM OF THE UDOKAN ORES AND ZABAIKAL TECHNOGENIC FORMATIONS
Sekisov A. G., Lavrov A.Yu., and Petukhov A. A.*
Chita Affiliate, Institute of Mining, Siberian Branch, Russian Academy of Sciences, Chita, Russia
*Chita State University, Chita, Russia
ABSTRACT: The authors report research data on the photoelectrochemical metal leaching from the Udokan ores and Zabaikal technogenic formations. The feasibility of beneficial processing of the said materials by using different process flowsheets with no preliminary flotation is confirmed.
UDC 622.772 PERSPECTIVES OF THE YEAR-ROUND HEAP GOLD LEACHING FROM POOR ORES MINED AT SMALL- DEPOSITS IN THE ZABAIKAL PERMAFROST REGION
Myazin V. P. and Shesternev D. M.*
Chita Affiliate, Institute of Mining, Siberian Branch, Russian Academy of Sciences, Chita, Russia
*Institute of Natural Resources, Ecology and Kriology, Chita, Russia
ABSTRACT: Rrestrictive factors and innovative solutions developed to improve the efficiency of gold heap leaching from ores of small deposits in the Zabaikal permafrost region are considered.
UDC 622.7 MINING AND PROCESS WASTES IN THE EASTERN ZABAIKAL REGION: ANALYSIS AND UTILIZATION
Trubachev A. I., Chechetkin V. S., Salikhov V. S., Sekisov A. G., Manzyrev D. V., and Konareva T. G.*
Chita Affiliate, Institute of Mining, Siberian Branch, Russian Academy of Sciences, Chita, Russia
*Chita State University, Chita, Russia
ABSTRACT:The mining and process waste formations in the Eastern Zabaikal region are analyzed. The authors discussed the potentialities of their processing by the ecologically safe leaching process.
UDC 541.183 NATURAL SORBENT AND CATALYZER FEASIBLE TO SOLVE ECOLOGICAL MINERAL PROCESSING PROBLEMS
Bochkarev G. R., Pushkareva G. I., and Kovalenko K. A.
Institute of Mining, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
ABSTRACT: Research data are reported on arsenic removal from water media by sorption with the use of a natural mineral brucite. The higher arsenate removal efficiency is shown. Psilomelan is considered as a catalyzer of the arsenite oxidation, and this agent is concluded to promote appreciably higher toxicant recovery in the study process.
UDC 553.041 GEOECOLOGICAL AND TECHNOLOGICAL PROBLEMS OF RECULTIVATION OF DRIED TAILING DUMPS
Stremetskaya E. O. and Barabasheva E. E.
Chita State University, Chita, Russia
ABSTRACT: The paper covers the problems of recultivation of technogenic formations, tailing dumps at ore-preparation factories, in particular. The tailing dump at Klitchinsky concentrator is considered as an example to demonstrate basic trends in development of the procedure to evaluate a technogenic formation as a secondary mineral raw material resource and the processes for their utilization.
UDC 622.7 SPECIFIC FEATURES OF FINELY-DISPERSED ALLUVIAL GOLD FLOTATION
Alexandrov A. V., Litvinova N. M., and Bogomyakov R. V.
Mining Institute of the Far Eastern Branch, Russian Academy of Sciences, Khabarovsk, Russia
ABSTRACT: Specific features of flotation of rebellious gold-bearing alluvials are discussed. The authors report the results of the researches aimed at intensification of flotation with the preliminary natural sorbent modification. The modification is provided to produce an agent exhibiting sorption-collecting properties relative to gold.
UDC 622.7 FLOWSHEET FOR FLOTATION AND METALLURGICAL PROCESSING OF THE REBELLIOUS GOLD-ARSENIC ORE
Gurman M. A.
Mining Institute of the Far Eastern Branch, Russian Academy of Sciences, Khabarovsk, Russia
ABSTRACT: The material composition of a primary gold-arsenic ore specimen is studied. The research data on gravity concentration, flotation and cyanidation are presented. The prime attention is focused on the flotation and metallurgical processing scheme with preliminary gravity recovery of a course-size gold fraction. This flowsheet is proved to be the most effective one with the total gold yield of 80.46%.
UDC 622.7 ROLE OF THE PHYSICAL FORM OF FLOTATION-COLLECTOR SORPTION
Kondratiev S. A.
Institute of Mining, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
ABSTRACT: Properties of a flotation agent can be optimized by studying the gas bubble — mineral particle interaction and identifying the role of each of reagent-sorption forms, available in the study interaction process. The author proposes the mechanism for the physical sorption form when a mineral particle is fixed onto a gas bubble and the criteria to evaluate the flotation activity of a reagent. Validity of the proposed mechanism is confirmed by experimental evidence.
UDC 622.7 REEXTRACTION OF MICRO-SIZE AND DISPERSED GOLD FROM OLD TAILINGS OF THE BALEI CONCENTRATOR BY USING ECOLOGICALLY SAFE AGENTS
Trubachev A. I. and Konareva T. G.*
Chita Affiliate, Institute of Mining, Siberian Branch, Russian Academy of Sciences, Chita, Russia
*Chita State University, Chita, Russia
ABSTRACT: Utilization of old tailings of Balei concentrating factory and processes for extraction of micro-size and dispersed gold by using ecologically sound agents are considered.
UDC 622.7 THEORY AND PRACTICE OF USING ENERGY EFFECTS IN MINING AND MINERAL PROCESSING
Rostovtsev V. I.
Institute of Mining, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
ABSTRACT: Research data on intensification of ore-preparation and mineral dressing processes by employing energy effects are reported. The significance and specific features of electrochemical treatment and the accelerated electron processing applied are to weaken mineral materials, to modify its flotation properties or to enhance magnetic properties of ferriferous sulfides.
UDC 622.7 ON INTERFERENCE BETWEEN ADSORPTION ACTIVITY AND NOBLE-METAL MINERALIZATION OF CARBONACEOUS ROCKS
Sorochiskaya A. V., Lavrik N. A., and Alexandrova T. N.
Mining Institute of the Far Eastern Branch, Russian Academy of Sciences, Khabarovsk, Russia
ABSTRACT: The character of noble metal adsorption onto carbonaceous rocks of different metamorphic grades is substantiated theoretically and experimentally.
UDC 622.7 DISTRIBUTION OF IRON MASS PORTION AT TECHNOGENIC MINE WASTE DUMPS
Filippov P. A.
Institute of Mining, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
ABSTRACT: The research data on distribution of iron mass portion, fraction and grade compositions of old tailings at the Sheregesh Mine are cited. The correlative relations between an iron mass portion and size classes are established.
UDC 622.7 FUNDAMENTALS OF HIGH-SPEED HEAP GOLD LEACHING
Rubtsov Yu. I.
Chita Affiliate, Institute of Mining, Siberian Branch, Russian Academy of Sciences, Chita, Russia
ABSTRACT: Scientific essence of the high-speed heap gold leaching is briefed on. The activating mechanism of cyanide gold leaching is confirmed under conditions when the ore under maturation is pelletized by oxygen-saturated sodium cyanide containing solutions of the «efficient» or acting sodium cyanide concentration. The theoretical findings can be employed to design or to explore the acting heap gold leaching plants.
UDC 622.7 SUBSTANTIATION OF COMPLEX FLOTATION PROCESS FOR TREATMENT OF GOLD-POLYMETALLIC ORES
Sekisov A. G., Lavrov A.Yu., and Shkatov V.Yu.*
Chita Affiliate, Institute of Mining, Siberian Branch, Russian Academy of Sciences, Chita, Russia
*Chita State University, Chita, Russia
ABSTRACT: The complex beneficiation process involving an additional electroflotation stage before rougher flotation is proposed. The grounds for higher sulfide mineral recovery in the new-proposed process flowsheet are considered.
UDC 622.7 TECHNOGENIC RAW MATERIALS AS AN OBJECT OF RESOURCE-SAVING PROCESS FOR PRODUCTION OF APATITE CONCENTRATES
Beloborodov V. I., Zakharova I. B., Andronov G. P., and Filimonova N. M.
Mining Institute, Kola Scientific Centre, Russian Academy of Sciences, Apatity, Russia
ABSTRACT: Two fields of tailing dumps are founded at OAO Kovdorsky Mining Complex, producing baddeleyite-apatite-magnetite ore. Based on research work undertaken, the process for beneficiation of technogenic mineral raw materials with the yield of the apatite concentrate of the standard grade is developed.
UDC 622.338 THE CHOICE OF MINING SEQUENCE WITHIN AN OPEN-PIT FIELD INVOLVING TECHNOGENIC FORMATIONS
Zykov N. V. and Sekisov A. G.*
Chita State University, Chita, Russia
*Chita Affiliate, Institute of Mining, Siberian Branch, Russian Academy of Sciences, Chita, Russia
ABSTRACT: The authors substantiate the criteria for choice of mining sequence within the open-pit field with controlled arrangement of technogenic dredge and rebellious ore formations. Economical effects of the migrating metal loss in technogenic mineral waste formations are considered as a factor, constitutive for working out the optimal sequence of extraction and stockpiling of dredge and rebellious mineral raw materials, respectively.
UDC 622.7 BASIC TRENDS IN IMPLEMENTATION OF PHOTOELECTROCHEMICAL AND ELECTROSORPTION PROCESSES TO EXPLORE NATURAL AND TECHNOGENIC RESOURCES
Sekisov A. G. and Lavrov A.Yu.
Chita Affiliate, Institute of Mining, Siberian Branch, Russian Academy of Sciences, Chita, Russia
ABSTRACT: Basic trends of the practical implementation of photoelectrochemical and electrosorption processes are discussed. Their applicability is assessed for the actual natural and technogenic entities.
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