comprehensive utilization of mine tailings

  • Geotechnical Properties of Mine Tailings | Journal of ...

    In fact, tailings characteristics vary greatly and are highly dependent on the ore type, clay mineralogy, and the physical and chemical processes used to extract the economic product. Therefore, a comprehensive understanding of the mechanical properties of mine tailings …

  • Utilization of tailings,green mine resources recycling ...

     · The above content is the comprehensive utilization of the tailings of the concentrator. The tailings are an inestimable wealth of social economy and life. It can not only realize the long-term development of the enterprise economy, but also realize the sustainable development of …

  • Term Paper on Comprehensive Utilization Ore Tailings ...

     · Secondary recovery of valuable metals from tailings is an important aspect of tailings comprehensive utilization. An important characteristic of mineral resources in China is single, less, associated raw mine. Due to poor technology, equipment and poor management systems in the past, tailings containing a variety of valuable metals and minerals ...

  • Canadian Natural Resources

    Our comprehensive land use planning considers the end of mine life so that we can manage our environmental closure programs and obligations, and advance reclamation as quickly as possible. Canadian Natural has invested almost $3.8 billion in tailings research, technologies and …

  • Field application and effect evaluation of different iron ...

    At present, comprehensive utilization pathways of iron tailings include recovery of valuable components (Zhai et al., 2020), production of concrete fillers and ceramsite, etc. (Li et al., 2020a). Although these technologies could reuse iron tailings to a certain extent, issues such as land occupation, environmental pollution, and ecological ...

  • Comprehensive utilization of lead–zinc tailings, part 1 ...

     · The total tailings reach 10 million tonnes and are mainly stored in a tailing reservoir, except for a small portion that was utilized for underground filling. Fankou lead–zinc tailings are mainly sulfides that are easily oxidized and produce a large amount of acid mine …

  • Comprehensive Utilization of Iron Ore Tailings in China ...

     · Our tailings comprehensive utilization has a late start, but has a quick development. Nowadays, we have a great development in tailings comprehensive utilization technology, especially in tailings reprocess, recover valuable metal and the research on tailings used as building materials, and also research on tailings used as goaf filling ...

  • The specific value of tailings dewater screen to metal mine

    Some tailings high-value utilization technologies, such as tailings preparation of glass-ceramics, ultra-durable tailings high-strength concrete technology, etc., have made breakthroughs in key technologies and processes, and are expected to become effective technologies for the large-scale utilization of tailings in the future. 3 lling mine goaf

  • Utilization of Copper Mine Tailings as Road Construction ...

    Abstract. This research studies the feasibility of using copper mine tailings (MT) as an alternative road construction material through geopolymerization. First, an extensive literature review on the use of MT as road construction material was performed. The utilization of MT in road construction can be divided into two general categories based ...

  • Metal Mine Tailings Analysis and Countermeasures

    On this basis, the corresponding countermeasures are put forward: in terms of comprehensive utilization rate, adopt a variety of ways to improve the comprehensive utilization rate of metal mine tailings; In terms of the government, we should increase the financial investment in the tailings of metal mines, improve the construc-tion of laws and ...

  • Graphite Flotation Plant,Graphite Mining Processing Line | Promine…

     · Comprehensive utilization of tailings resources. 11-09-20; 219 Views; icon 0 . The beneficiation process requires a strict process and exquisite technical methods in the specific beneficiation process. This article focuses on a gold mine. The tailings of the mine specifically contain potassium feldspar and albite.

  • Analysis on Mode of Iron Tailings Comprehensive Utilization

    Table 3 The use of useful components in the mine . Utilization of useful components ≥70% ≥50% ≤25% The number of mines 36 276 1384 Accounting for the proportion of the total surveyed mine 2 %15 75. On the whole, China''s comprehensive utilization of tailings is still very low. There is a big gap compared with developed countries ...

  • PAPER OPEN ACCESS Comprehensive Utilization of Iron ...

     · 4. Analysis of problems in utilization of iron tailings (1) Low utilization rate and extensive utilization method At present, the comprehensive utilization rate of iron tailings in China is only about 7%, far lower than the 60% utilization rate in developed countries. The exploitation and utilization of iron tailings resources is not optimistic.

  • Tailings dam

    A tailings dam is typically an earth-fill embankment dam used to store byproducts of mining operations after separating the ore from the gangue. Tailings can be liquid, solid, or a slurry of fine particles, and are usually highly toxic and potentially radioactive.Solid tailings are often used as part of the structure itself. Tailings dams rank among the largest engineered structures on earth ...

  • Tailings Management at Porgera

    Tailings Management at Porgera . The Porgera mine operates under a comprehensive permit issued by the Government of Papua New Guinea (PNG). Under this permit, the Porgera Joint Venture (PJV) is required to follow a stringent government-approved environmental management and monitoring program.

  • Comprehensive utilization of limestone sandstone mine tailings

     · Comprehensive utilization of limestone sandstone mine tailings. Limestone is a kind of sedimentary rock, the main components are calcium carbonate and magnesium carbonate, etc. The tailings produced by sandstone processing are mainly stone chips and stone powder. Stone chips can generally replace fine aggregate and crushed stone to be used as ...

  • Utilization of copper mine tailings as road base ...

    This paper investigates the utilization of copper mine tailings (MT) as an alternative road base construction material through geopolymerization. Specifically, MT was mixed with different amounts of sodium hydroxide (NaOH) solution at various concentrations from 0 …

  • Comprehensive Utilization and Resources of Gold Mining ...

    The gold mine discharges tailings massively every day,which results in gold and useful metal draining,simultaneously brings the enormous harm to the environment The approach to comprehensive utilization of tailings of gold mines, including recycle of usable mineral and direct use of ore tailings,is analyzed in the paper, laying a foundation for continuous development of gold mines ...

  • Utilizing Mine Tailings as Substitute Construction ...

    This study investigated the use of copper-gold mine tailings from Tailings Pond number 2 of Philex Mining Corporation in Padcal, Benguet as fine aggregates or as substitute to sand in roller compacted concrete (RCC) production. Generally, the study aims to further assess the suitability of mine tailings as fine aggregates in con-

  • Mine Tailings Treatment by Kosun Manufacturer

     · Now the overall idea of tailings comprehensive utilization is: 1. In the tailings comprehensive physical and chemical analysis, based on the re-election of the use of the value of the tailings re-election; 2. After the re-election after the tailings for simple processing As a building material or the use of tailings filled with mined areas; 3.

  • Articles de revues : « Tailings reservoir » – Grafiati

    Liste d''articles de revues sur le sujet « Tailings reservoir ». Publications scientifiques : télécharger le texte en pdf. Sujets de recherche.

  • Preliminary Discussion on Comprehensive Utilization of ...

    The study on the tailings'' comprehensive utilization is mainly concentrated in minerals in the past, which means we need to use all kinds of research methods and results that we use in the mineralogy nowadays. Maybe we can break away from the research bondage of the modern mineral technology, tracing back to the genesis of the mineral ...

  • Disposal of mine tailings via geopolymerization ...

     · Mine tailings have low reactivity, which leads to products with poor mechanical strength. Incorporating additives can improve the properties of the resultant geopolymer, as illustrated in Section 5, but it can also reduce the amount of mine tailings, lowering their comprehensive utilization (and, thus, recycling) efficiency. Therefore ...

  • Hesheng Cumt Comprehensive Utilization Of Mine Tailings ...

    The ways of comprehensive utilization of tailings as following: ① For tailings treatment problem, we can use advanced technology and reasonable process to re-select tailings so as to maximize the recovery of useful components in tailings, which can reduce the volume of tailings;

  • Copper-Mine Tailings in a Geopolymer System

    fibers Article Enhancement Experiment on Cementitious Activity of Copper-Mine Tailings in a Geopolymer System Lin Yu 1,2,†, Zhen Zhang 1,†, Xiao Huang 1,†, Binquan Jiao 1,2,* and Dongwei Li 1,* 1 State Key Laboratory for Coal Mine Disaster Dynamics and Control, Chongqing University, Chongqing 400044, China; 1580808[email protected] (L.Y.); [email protected] (Z.Z.);

  • Preliminary Discussion on the Utilization of Molybdenum ...

     · Abstract: This paper based on the investigation of molybdenum comprehensive utilization status in China, according to in-depth analysis of the nature of molybdenum tailings and re-use value, proposed molybdenum mine tailings for the recovery of scheelite, manufacture of inorganic fertilizer, glass, ceramics and other comprehensive use, and put forward some suggestions to the …

  • CN102765908A

    The invention discloses a method capable of utilizing mine tailings to produce an aerated hollow brick. The method comprises the following steps: (1), mixing such materials in dry basis mass part as main tailings, lime, coal ash or yellow phosphorus slag, and the like; (2), according to the step (1), adding water in 85-95 percent of the mixed material dry basis, adding waste aluminum power in ...

  • Tailings: Dangerous Wastes or Precious Treasures? | Fote ...

     · Limited by technical conditions in the past, the rate of the ore beneficiation was extremely low, and the comprehensive utilization of minerals was insufficient, which makes many valued minerals have been piled up and even being discharged into tailings.

  • Mineralogical Characteristics of Phosphate Tailings for ...

     · The phosphate tailings contain relatively high content of Si and Ca and low content of heavy metals such as Cd and Pb, which has little impact on the environment. However, the tailings still have the value of comprehensive utilization because the content of P 2 O 5 is 15.76%. Therefore, the phosphorus mineral in tailings can be further ...

  • Mine Waste Transfer and Disposal Methods

    Mine Tailings Tailings are finely ground rocks and other mineral waste as a result of mineral processing. Due to the way minerals are processed, tailings can contain concentrations of processing chemicals. This can make mine tailings an environmental concern, so …

  • REVIEW OF ECOLOGICAL RESTORATION TECHNOLOGY …

    The utilization of comprehensive restoration technologies is a trend for future development. ... in China, of which 6633 mine tailings are in use, 1234 mine tailings are being built and 2193 mine tailings are closed. These tailings are mainly distributed in northern, northeast and central China. ...

  • CHAPTER II MINE TAILINGS 4 FACILITIES: OVERVIEW 3 2 AND ...

    This chapter provides an overview of mine tailings and mine tailings facilities. It illustrates why and how mine tailings are produced, and the complexity involved in the long-term storage and management of this waste product. The call for a global standard for mine tailings management is a response to recent catastrophic facility failures.

  • Utilization of tailings in cement and concrete: A review

     · [12] C. Li, H.H. Sun, Z.L. Yi, L.T. Li, Innovative methodology for comprehensive utilization of iron ore tailings Part 2: The residues after iron recovery from iron ore tailings to prepare cementitious material, Journal of Hazardous Materials 174(1-3) (2010) 78-83.

  • Sustainable use of mine waste and tailings with suitable ...

    Utilization of mine waste rocks and tailings in concrete as aggregates will help in sustainable . and greener development. The literature shows the potential use of iron ore tailings as a replacement of . natural fine aggregates. As natural sand reserves are d. epleting day by day, there is a need for substitution for . sand in concrete.

  • Cherish the Earth''s Mineral Resources and Promote the ...

    With the increasing amount of tailings, it has brought many serious problems like take up a lot of land, construction and maintenance tailings reservoirs must be consume a large amount of money. The stockpiled tailings is not only bring drawbacks, but also bring huge economic benefits for us. For example, recycling of useful components contained in the tailings, or use the tailings as a whole.

  • Muk3D | Tailings+

    Comprehensive tailings solutions in minutes, not weeks. ... CAD and mine design packages, take advantage of the most comprehensive and fastest available modelling tools designed specifically for tailings. Utilize a full suite of advanced design and visualization tools, such as 3D CAD tools that allow you to create and edit lines, triangulated ...

  • Comprehensive Utilization of Iron Ore Tailings in China ...

     · With the rapid development of economy, iron ore tailings is increased. However, iron tailings are not dealt timely. Nowadays, government pay more attention on mine environment, and our mine industry begin to comprehensive utilize the iron ore tailings. Our tailings comprehensive utilization has a late start, but has a quick development.

  • Tailings

     · Tailings, most often in the form of a wet slurry, are conventionally stored above-ground behind earthen dams. There is no comprehensive global registry of tailings dams. It is estimated there are around 18,000 dams, 3,500 of which are active. However, that number may be much higher. For example, China alone has more than 12,000 tailings dams.

  • Utilization of Copper Mine Tailings as Road Base ...

     · This paper investigates the utilization of copper mine tailings (MT) as an alternative road base construction material through geopolymerization. Specifically, MT was mixed with different amounts of sodium hydroxide (NaOH) solution at various concentrations from 0 to 11 M, compacted, and then cured at 35°C.

  • International Journal of Intelligent Information and ...

    venient. The comprehensive utilization of metal mine tailings can be referred to the comprehensive tailings recycling project of aohan qijintao company in China. 3. Strengthen Government Intervention and Improve the Establishment of Rele-vant Systems As the utilization of metal mine tailings is a long-term