The aqueous speciation and mineralogy of antimony sb in waters and tailings at beaver brook antimony deposit have been analyzed to understand sb mobility during the initial stages of stibnite sb 2 s 3 weathering in a nearsurface environment. Storageelevation curve for a tsf minebridge software inc. The software tools for the application of largestrain theory have been slow in coming given that the mathematical theory was defined in. The properties of tailings are dependent on the ore body being mined, the grinding and processing circuits, the reagent properties and the thickening process prior to disposal. Tailpro consulting works with specialist international consultants to provide an integrated solution. An experiment was conducted to study and compare macrofaunal colonization of thin layers of mine tailings. For conventional storage the tailings are generally discharged from spigotsoutfalls located along the embankments of the facility.
With cinemadrape you no longer have to manually clean up your working screen area, close windows, or watch lower resolution videos in full screen mode. Single point discharge of tailings subaerial technique jon engels introduction. The current regulatory approach to tsf management in wa was established subsequent to the merriespruit tailings disaster in south africa in 1994. Testdrive a free demonstration version of ithaca on your projects. Tailings management planner software soilvision tmp software. Since then, our approach has been continually improved by incorporating the learnings from tailings incidents in other parts of the world. Largestrain 1d, 2d, and 3d consolidation modeling of mine.
Mine tailings deposition practices, liquefaction potential. Software to create bundles of transcripts and exhibits that can be imported into case notebook. Jeeravipoolvarn is a practicing engineer as well as researcher in geotechnical tailings engineering. This paper discusses how goldsim and muk3d have been integrated allowing for 3d tailings deposition to be incorporated into an existing water balance model. Classical hydrodynamics empirical stream power this paper focuses on the stream power approach. The water levels in the upper portion of the dam were slowly dropping, but remained high in the toe region. Dissolution of stibnite in oxidizing conditions releases sb in drainage water and sb is incorporated into the mineral structures of several secondary. The cap88 clean air act assessment package 1988 computer model is a set of computer programs, databases and associated utility programs for estimating dose and risk riskthe probability of injury, disease or death from exposure to a hazard. Muk3d does have some basic tools for creating storageelevation curves for a tsf accounting for the beach slope however they are really only limited to simple situations simple dam configurations, simple deposition schemes, simple pond models. Metago environmental engineers introduction several approaches to beach prediction.
Wide client base in tailings related projects in base metals, precious metals, and oil sands. First implementations of shear settling in numerical flow models are seen, offering unprecedented potential to conduct tailings management studies. Transcript production software for court reporters. Introduction background the subject of this paper is a tailings dam that was. Radiation risk may refer to all excess cancers caused by radiation exposure incidence risk or only excess fatal cancers mortality risk. Shortterm microbial effects of a largescale minetailing. In order to validate numerical codes, reference materials are necessary.
Purposes of geomodelling of tailings in an impoundment stateofthepractice in tailings modelling flacbased modelling approach validations of the modelling approach example case. An inert gas or steam is then introduced below the internals and above the liquid pool for enhancing the vaporization of the contained. The adoption of goldsim as visual interface software with capacity for matrix calculations has. This paper presents the results of a thickened tailings tt geotechnical and hydrogeological characterization program conducted in the fall of 20 at the canadian malartic mine cmm. Paybyday mining software gives geologist competitive boost. Tailings deposition and excavation geoslope international. The impact of the tailings deposition was most apparent for hazeltine creek where species richness was approximately one third less than that observed for all the other sites. Our range of tailings transport and delivery systems includes. Hamish oversees all company survey, drafting and modelling requirements and standards. This paper introduces an advanced geotechnical numerical modelling approach, which can be used to simulate the gradual deposition and largestrain consolidation of tailings in a multidimensional space. Modelling a tailings deposition using civil 3d kriging. Rift software rift td tailings deposition modelling.
Previous post twenty fourteen child theme how to actually add full width to post content and images next post modelling a tailings deposition using civil 3d kriging perimeter deposition. Experimental boxes filled with marine sediments capped with mine tailings were placed on the seabed and subject to colonization for six and twelve months. After subsampling to 3,000 reads per sample, 15 samples were rejected due to insufficient sequencing depth. The dam was used for the disposal of platinum tailings, and made use of the ringdyke method of tailings deposition. Thickened tailings deposition for closure mining journal. Ausencos tailings transport solutions include gravity flow, openchannel flow, energy dissipation, multiple pumps in series, and thickened paste disposal.
The characterization program included both field and laboratory tests. Deposition modeling of high density tailings using smoothed particle hydrodynamics a thesis submitted to the faculty of graduate and postdoctoral affairs in partial fulfillment of the requirements for the degree masters of applied science by yagmur babaoglu b. Allows court reporters to provide live audio, video, and real time deposition text via livenote stream. The findings from the modelling can be used not only to inform planning and design at mine closure but also help the management of tailings impoundments. Flac based modelling of tailings deposition and consolidation. The primary objective is to check that the adding of materials together with a moving hydraulic boundary condition works properly. Hamish has 20 years experience of tailings beach modelling and volume calculation using muck and ooze tailings deposition software, he is a proficient user of terramodel and autocad civil 3d. Rift td is an advanced and easy to use 3d digital terrain model developed to model tailings deposition. Proceedings tailings and mine waste 2011 vancouver, bc, november 6 to 9, 2011 assessment of water removal from oil sands tailings by evaporation and underdrainage, and the impact on tailings consolidation fernando f.
Antimony mobility during the early stages of stibnite. Pseudo 3d deposition and largestrain consolidation modeling of tailings deep deposits murray fredlund, matt donaldson, krishna chaudhary. An alternative involves reshaping the tsf during operations using tailings to create the closure landform by modifying the deposition strategy to dispose tailings in targeted areas in the latter stages of the mine life, significantly reducing postoperations earthworks and construction requirements. Report of the expert panel on the technical causes of the. The fsca software and bright beacon geotechnical consulting division are led by silawat jeeravipoolvarn song, ph. Tailings from rheological and small scale trial deposition data gordon mcphail. Australian centre for geomechanics conference paper. Missouri university of science and technology scholars mine. This software performs geometrical calculations inside of the tailings cells to determine the final configuration of the cell surface affected by the tailings discharge.
This kind of knowledge allows guidance and validation of the technical screening of tailings deposition strategies and. In the previous tutorial, a stochastic slope model based on the approach presented by seddon et al 2015 and implemented for a simple 2d deposition model. With traditional tools like spreadsheet models, cad and mine design packages, scheduling and volumetric modeling of tailings areas can be a very painful experience, often producing oversimplified solutions. Cmm is a gold mine located in the abitibi region in the province of quebec and has been operating since may 2011. Thickened tailings characterization program for a tailings. Macrofaunal colonization of mine tailings impacted. Assessment of water removal from oil sands tailings by. The word tailings is sometimes applied to include coarse mine waste. Tailings deposition modeling tailings deposition within tailings cell a was modeled using golders proprietary software goldtail.
Operational tailings management for successful closure. Pseudo 3d deposition and largestrain consolidation. Download the attached pdf to read the full white paper. Selecting earthquake characteristics for design criteria design criteria for dams specify that an evaluation be conducted to determine the effect of seismicity on stability and performance of the dam. Helps you focus on your current task by blanking or dimming other screen areas cinemadrape portable is an easytouse application that will help you focus on the current task by blanking or dimming the other less important areas of your screen. Rift software mine magazine issue 72 september 2018. For this website the term tailings refers to the slurry waste output from the processing plant. A process for recovering paraffinic solvent from tailings produced in the treatment of bitumen froth comprising introducing the tailings into a tailings solvent recovery unit tsru, the tsru having internals, and distributing the tailings over the internals. It will start with explaining the deposition models, and inputs required, and then run through conceptual layouts, and long range planning. Tailings deposition modelling software for tailings dam designers, consultants and operators. Deposition to the tailings cells will be cycled in a way that maximises the thawing of tailings deposited during. Advanced tailings deposition modelling software rift td is an advanced threedimensional digital terrain model, specifically developed to model tailings deposition download rift td.
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