This Special Issue aims to bring together practical solutions for underground mine backfilling systems, including, backfill mix design, physical and hydro-mechanical properties and behaviors, rheology and transport, …
China is a major producer of copper concentrate as its smelting capacity continues to expand dramatically. The present study analyzes the life cycle environmental impact of copper concentrate production, along with selection of a typical copper sulphate mine in China. Life cycle assessment (LCA) was …
Indian mining industries primarily depend upon high-grade fines mainly because of two factors, one is lack of beneficiation infrastructure and high cost of low-grade fines, the second one is lack of proper tail disposal system. Due to lapses in our policies, miners get better premium by selling high-grade fines over low-grade fines. This restricts the flow of low-grade …
The implementation of the paste filling system allowed all tailings from the beneficiation process to be filled into the underground goaf. This not only saved on new tailings pond construction costs but also addressed environmental pollution issues and concerns about occupied farmland caused by mining wastes. ... Paste pumping backfill system ...
1. Introduction. The omnipresence of valuable mineral resources plays a pivotal role in economic development, with coal and gold mining being historically perceived as the backbone of the economy and the main driver of economic growth in low- and middle-income countries (LMICs) (Berenbaum et al., 2019; Haldar, 2018; Masindi et al., 2021).Due to its high calorific …
Currently, major mines in China are starting to build backfill systems to apply the backfill mining method, therefore, Part II reviews the progress China has made on creating backfill systems, of ...
3.1.1 Group 1 – mining and beneficiation as a single stage. Most of the studies considered beneficiation altogether with the mining operation. For example, Awuah-Offei and Adekpedjou carried out a review scrutinising the very first LCAs applied to the mining sector.This work is focused on the extraction stage, and it mentions the beneficiation stage only when it …
The excess ponded water inside the stopes is drained out through decantation pipes or suitable drainage system. Though the HCF is an improved version of CHSB, still the drawbacks of hydraulic fill persists up to some extent. ... Considering the increased demand of production from underground, high filling rate and engineered backfill material ...
The results show that the 28-day strength of the backfill with graded fine-grained tailings as filling aggregate can reach 5.41 MPa when the sand-binder ratio is 4, which can fully meet the needs ...
With the development of technology, the concepts of "green" and "sustainable" have gradually been popularized in all walks of life. With the continuous development of the world mining industry, the efficiency of resource development in various countries has been improved, but mining activities and production will undoubtedly bring many environmental pollution …
The discussion is divided into topics that cover key operational aspects of mine backfill, namely: systems engineering, supply, reticulation, quality control, placement, drainage, ground …
Paterson & Cooke is a leader in the design, execution, and ongoing management support of mine backfill systems Since 1991, our engineers have solved some of the most complex backfill challenges while testing and designing hydraulic, paste and cemented rock fill (CRF) projects all over the world. ... an increase in the existing plant capacity to ...
Capable mining methods with diverse fill types such as cementitious tail/paste backfill (CTB/CPB) in metal mines and cementitious gangue/ash backfill in coal mines can …
The fluorite beneficiation process involves several stages, each critical for achieving optimal results. These stages include exploration and resource assessment, ore sampling and characterization, laboratory-scale …
Cemented paste backfill technology plays a pivotal role in promoting green mining within the metal industry. The technology allows safely backfilling of surface tailings …
Contribution of India in production of Iron ore was estimated around 206 million tonnes and was ranked 4th in the world ranking system according to British Geological Survey of World mineral production 2014–2018 . Large quantity of mine waste has piled up in exploration, beneficiation, and extraction process of mineral ores.
The quality of Indian iron ore resources is generally good with high iron content and high percentage of lumpy ore. More than 85% of the hematite ore reserves are of medium- to high-grade (+62% Fe) and are directly used in blast furnace and in direct-reduced iron (DRI) plants in the form of sized lump ore, agglomerated sinter, and agglomerated pellets (Iron and …
The backfill mining method is adopted in many mines around the world because it can reliably handle underground mine tailings and eliminate dangers in goafs. It is necessary to improve backfilling resource allocation and efficiency, thereby eliminating safety hazards and providing reliable support for the next stage of mining as quickly as possible. In this paper, we …
Determining the plant capacity is a crucial step in the capital investment analysis. It involves assessing the available spodumene reserves, mining rates, and processing capabilities. The production process for spodumene beneficiation typically includes crushing, grinding, flotation, and chemical treatment.
Finally, taking a large polymetallic underground mine in China as a case, the example calculation proves that the algorithm solution result is 10.98% higher than the mine plan index in terms of ...
4 The DeGrussa Mine backfill system investigation 4.1 The paste backfill system overview The DeGrussa Mine, of Sandfire Resources, has addressed the issue of both pressure gradient determination and site operational aspects of paste backfill manufacture to optimise their reticulation system.
In 2014, the production of lithium minerals concentrate was about 44,000 tonnes at an average grade of 4.2% Li 2 O and 0.03% Fe 2 O 3 (British Geological Survey, 2016). Beneficiation of the lithium minerals was initially done by hand picking of coarsely crushed run-of-mine but current production involves DMS.
Knowing the mine fill components is key to understanding the behavior and optimizing the recipe for a better and lower-cost backfill operation. GENERAL OR DETAILED AUDITS. Mining operations can benefit from system audits and performance reviews, which can identify areas of deficiency or improvements through the adoption of best practice.
The iron ore beneficiation production line uses a variety of screening equipment, such as vibrating screens, trommel screens, etc. 3.Grinding. The pretreated ore is finely ground to achieve the required particle size. Iron ore beneficiation production lines mostly use ball mills for grinding. 4.Magnetic separation
In order to increase the production of Autogenous grinding system and separation capacity of magnetic separators in Sino Iron beneficiation plant,changes the single cylinder cone crusher into heavy multiple cylinder cone crusher with the P80 about 14 mm of crushed product,decrease the weight of the AG mill liner by 230 t with the increase of AG mill inside material mass and …
1. Introduction. Tailings are one of the main solid waste streams generated by the mining industry, eliciting considerable concern worldwide. According to Sari et al. (2022), the annual global tailings production within the mining industry ranges from 7 to 10 billion tonnes.These large amounts of tailings occupy lands that could otherwise support …
For effective backfilling, a system with the 13 features covered under the section: effective backfill systems, is required. Effective backfilling cannot be done with systems that are badly designed, outdated or overextended. But in cases where the requirements for effective backfilling are overlooked, the shortcomings of such systems may wrongly come to be …
For effective ground pressure control [6], to ensure safe and continuous ore production [7], most mines use a tailings-cement-based filling (CTB: cemented tailings backfill) system to deal with ...
2 Systems engineering approach to mine backfill design and operation Where applied, mine backfilling is an integral process within the system which controls the flow of ore ... At some time after achieving a sustainable production rate, any mine that uses backfill will reach a stable volume of stoping void. At this time, the demand to fill ...
Underground cemented paste backfill (CPB) is an important component of underground stope extraction, and is commonly used in many cut-and-fill mines in Canada (e.g., Landriault et al. 1997; Naylor et al. 1997; Nantel 1998).As mining operations progress, paste backfill is placed into previously mined stopes to provide a stable platform for miners to work …
Wang X-M, Zhang D-M, Zhang Q-I (2011) Form and mechanism of abrasion in backfill drill hole pipelines in deep mines. In: The 10th international symposium on mining with backfill, South Africa, p 213–220. Google Scholar Weatherwax T, Brosko W, Evans R, Champa J (2010) Role of admixtures in the optimisation of paste backfill systems.
. Diamond ore beneficiation line refers to a collection of equipment used to process and refine ore, mainly used to separate and concentrate ore to obtain the required metal or mineral. Diamond ore can be divided into rock ore or sand ore, and its beneficiation line …
Keywords: sustainable mining, mine tailings, waste disposal and management, tailings storage facilities (TSFs), mine backfill Citation: Guo L, Funari V and Li M (2023) Editorial: Advances in sustainable mine tailings management. Front. Earth Sci. 11:1269955. doi: 10.3389/feart.2023.1269955 Received: 31 July 2023; Accepted: 16 August 2023; Published: …
There are many ways and technological advancements that are used in mine sites that prevent disasters and address issues like ground stability at end of mine. One of the most fascinating techniques used by OceanaGold Corp. in assuring the safety of employees and protecting the environment is the use of the Paste Backfill System. Paste backfill is an …
