tailings paste Articles

  • Tailings paste disposal – more than water recovery

    The minerals industry has faced increasing pressures in recent years in the management of tailings streams. Environmental, economic and other factors have led many minerals producers to explore the technology of making and using “paste.” With the increasing number of installations worldwide, this technology has proved to not only be industry accepted, but economically advantageous. ...


    By WesTech Engineering, Inc.

  • Solving tailings impoundment water balance problems

    This application of SVFlux involved the calculation of a water balance for a tailings facility close to Queensland, Australia. Flow past the earth dams had been measured in the field and the desire was to see if a numerical model could accurately predict the flow in a blind test. The climate in the area is semi-arid with an annual rainfall of 702 mm/yr and a potential evaporation rate of 1650 ...


    By SoilVision Systems Ltd.

  • Paste thickener bed level measurement

    Numerous studies and papers have been devoted to the subject of thickener design and operation to achieve specified throughput and discharge densities. Mathematical models have been developed that present methods for sizing thickeners and predicting performance under varying process conditions. The compression effect of deeper beds on dewatering performance is a recognized phenomenon. This is one ...


    By WesTech Engineering, Inc.

  • Mof (myst1 or kat8) is essential for progression of embryonic development past the blastocyst stage and required for normal chromatin architecture

    Acetylation of histone tails is a hallmark of transcriptionally active chromatin. Mof (males absent on the first; also called MYST1 or KAT8) is a member of the MYST family of histone acetyltransferases and was originally discovered as an essential component of the X chromosome dosage compensation system in Drosophila. In order to examine the ...

  • Mine backfill

    Mine backfill is defined as the material used to fill the cavities (i.e., stopes) created by underground mining. Backfilling can be a means to dispose of sludge and/ or tailings which may contain hazardous materials and to reduce surface environmental impacts by storing tailings underground. Alternately, backfilling with nonhazardous materials can allow for mining productivity improvements. To ...


    By WesTech Engineering, Inc.

  • An environmental oriented model for optimum cut-off grades in open pit mining projects to minimize acid mine drainage

    Environmental concerns on mining activities started near the end of the 20th century and is still underway. Due to mining activities, the adverse environmental impact has been significant throughout the history of mankind, whereas the minerals produced by mining activities have been providing the basis for human civilization. The legacy of past mining practices is large quantities of acid ...

  • Random fields in SVSlope and SVFlux

    Geotechnical engineering, as a general practice, has always struggled with quantifying the significant amount of variability that can be present at any given site. There may be variability present in field sampling methods, equipment, lab testing procedures, level of training of field personnel, or many other such factors. One particular problematic aspect of slope stability analysis is the ...


    By SoilVision Systems Ltd.

  • REVIEW OF CANSOLV® SO2 SCRUBBING SYSTEM FIRST COMMERCIAL OPERATIONS AND APPLICATION IN THE OIL AND GAS INDUSTRY

    Over the past five years, the CANSOLV® system SO2 scrubbing technology has moved from the status of an emerging technology to that of a commercially ...

  • The limits to growth and 'finite' mineral resources: re–visiting the assumptions and drinking from that half–capacity glass

    The famous 1972 study 'Limits to growth' (LtG) created global controversy about its dire predictions for the 21st century - e.g., global population crash, rampant pollution and resource depletion. Amongst some of the most fervent critics was the mining industry, who argued that mineral-metals are easily recyclable, that exploration and new technology can increase known resources, and that price ...


    By Inderscience Publishers

  • Business development

    One of the primary advantages of the SVOffice geotechnical software suite is that it allows consulting firms to develop new areas of business and revenue streams. This aspect of the software has been demonstrated by Golder Associates Africa. The Midrand office approached SoilVision Systems Ltd. about one and a half years ago with the desire to increase their numerical modeling capabilities. In ...


    By SoilVision Systems Ltd.

  • Arabian killifish (Aphanius dispar) embryos: A model organism for the risk assessment of the Arabian Gulf coastal waters

    Fish embryos are excellent models for studies aimed at the understanding of toxic mechanisms and the indication of possible acute and chronic effects. For the past 3 years, an Arabian killifish fish embryo test (FET) has been developed in our laboratory as a routine ecotoxicological test that can be used to support risk assessment of potential contaminants in Arabian Gulf coastal waters. Tests ...


    By John Wiley & Sons, Ltd.

  • Uranium mining and milling: material security and risk assessment

    At present, physical protection for the front end of the nuclear fuel cycle is typically at a significantly lower level than at any other part of the nuclear fuel cycle. However, in view of past experiences it is feasible to take into consideration some generic threat scenarios, potentially resulting in loss of control over the nuclear material, respectively its by-products, such as: illegal ...


    By Inderscience Publishers

  • Are mining waste disasters inevitable?

    On 5 November 2015 the dam of an iron ore tailings management facility in Bento Rodrigues, Brazil, suffered a catastrophic failure and flooded the area. The immediate consequences were dire: the accident killed at least 11 people, injured over a dozen more and left more than 500 people homeless. However, this is just the start: the environmental impact of the Bento Rodrigues dam disaster, with ...

  • Dr Abe Beagles White Paper on Galamsey Mining in Ghana

    Dr Abe Beagles White Paper on Reclaiming Galamsey Mined Lands in Ghana, has come about because of the devistation that has occured in Ghana in West Africa and all over the areas that have been mined by unknowing or uncaring companies and individuals who came to West Africa for the vast riches in Gold and other minerals over the past 13 to 15 years.   However, in 2011 the government stopped ...

  • Oil grabber® model 8 recovers 70% of quench oil

    An oil skimmer for use on heated spray wash tanks in a Midwestern heat treating firm has enabled the company to recover 70% of their quench oil from the washing solution, materially aiding their energy conservation program. Recovery and recirculation of 70 % of the quench oil is considered an exceptionally high level of efficiency according to Mr. James Reh, Plant Engineer for Lindberg Heat ...


    By Abanaki Corporation

  • The Impact of Metalliferous Mining on Salt Marsh Flora

    Estuaries within Cornwall, UK have been accepting metal-rich tailings and water from mining for hundreds of years. Over time, saltmarsh ecosystems have developed on metal-rich sediments.  Previous work at CSM has indicated that the floristic composition of these saltmarshes varies from characteristic British assemblages. Our hypothesis is metal-sensitive species are unable to colonise, ...


    By Impact Ecology

  • Oil skimmers cure a header headache

    Oil skimmers are being used in a major Cleveland bolt making plant to clean liquid coolant and clear the air, virtually eliminating the oil smoke and haze that are inherent in hot heading applications. The skimmers are equally efficient in less demanding press operations. Lake Erie Screw Corporation installed the five skimmers - they are Abanaki models - to serve from one to seven headers each. ...


    By Abanaki Corporation

  • How to choose the best Industrial Water Filtration System for mining applications

    Over the course of the past few decades concern for the environment has brought about a large number of new regulations concerning the use of water in mining operations. These include how it is accessed, and how it is treated, using industrial water filtration to ensure all ...


    By Filtra Systems

  • Cyanide Spill at Baia Mare - Assessment Mission Report UNEP/OCHA

    Introduction On 30 January 2000, following a breach in the tailing dam of the Aurul SA Baia Mare Company, a major spill of cyanide-rich tailings waste was released into the river system near Baia Mare in north west Romania. The contaminant travelled via tributaries into the river Somes, Tisza and finally into the Danube before reaching the Black Sea. A team of international ...

  • A first person account of mine longwall dewatering solutions

    When mining companies in Alabama have problems, they look to Jim House & Associates (JH&A) for solutions. Such was the case when a large mining company needed to keep water off of the longwall face underground and they looked toward Jim House & Associates to provide them with a solution. JH&A has been in business since 1957 and is a premier ...


    By Cornell Pump Company

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