Gold Mining Supply Chain Optimization
Simultaneous stochastic optimization of an open pit gold …
A mining complex is a resource to market mineral value chain that transforms in-situ materials into valuable products such as concentrate, pellets, bars of precious metals, and …
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(PDF) Simultaneous stochastic optimization of …
optimization of an open pit gold mining complex with supply and market uncertainty, Mining Technology, DOI: 10.1080/25726668.2019.1626169 To link to this article: https://doi.or …
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Optimization of large mining supply chains through …
A hypothetical diagram of the supply chain is depicted in Fig. 4. By combining particle swarm optimization and simulated annealing algorithms, a new metaheuristics solver is developed to solve this very large-scale problem. Download : Download full-size image; Fig. 4. Hypothetical diagram of a mining supply chain [4].
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An application of simultaneous stochastic optimisation on an …
B.S. Pimentel, G.R. Mateus, and F.A. Almeida, Mathematical models for optimizing the global mining supply chain, in Intelligent Systems in Operations: Methods, …
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Simultaneous stochastic optimization of an open pit gold mining …
A mining complex is a resource to market mineral value chain that transforms in-situ materials into valuable products such as concentrate, pellets, bars of precious metals, and others (Montiel and Dimitrakopoulos 2015).The main components of a mineral value chain are generally: mines, stockpiles, waste dumps, mineral processing facilities, and logistics hubs …
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The Challenges of Supply Chain in the Gold Mining Sector …
In terms of Low Quality of Input Supplies, about 33%(n=35) of the respondents indicated very high whilst 17%(n=18) of the respondents rated high, indicating that Supply of Low Quality Products is another challenge the mining 40 | P a g e The Challenges of Supply Chain in the Gold Mining Sector of Obuasi Municipality of Ghana Ernest KwakuAgyei ...
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Simultaneous stochastic optimization of an open pit …
Simultaneous stochastic optimization of an open pit gold mining complex with supply and market uncertainty Ziad Saliba and Roussos Dimitrakopoulos COSMO – Stochastic Mine …
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A comprehensive interdisciplinary review of mine supply chain
Request PDF | A comprehensive interdisciplinary review of mine supply chain management | There is an everlasting distance and interdependence between mines and end-users as it involves different ...
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Security issues of the gold industry chain based on smart
In Fig. 1, Due to the imbalance of supply and demand caused by the change of external dependence, the comprehensive effect of resources, political, economic, military, and geopolitical forces is ...
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Simultaneous Stochastic Optimization of Mining Complexes …
Keywords Mining complex · Stochastic optimization · Metaheuristics · Materials mined and supply uncertainty · Stochastic or geostatistical simulation 1 Introduction A mining complex is a mineral value chain where raw material flows from open pit and/or underground mines to the mineral markets after being treated and transformed into ...
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(PDF) Simultaneous stochastic optimization of mining …
Received 29 December 2021 Accepted 10 April 2022 KEYWORDS Mining complex; stochastic optimization; metaheuristics; supply uncertainty; demand/ market uncertainty; geostatistical simulation; risk management; strategic planning 1 Introduction A mining complex or mineral value chain is an engineering system that manages the extraction of raw ...
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Stochastic Mining Supply Chain Optimization: A Study …
The mining value chain comprises many inter-related components. When the individual components are optimized separately the value that can be generated from the enterprise suffers. Global optimization of the mining value chain requires a shift away from conventional methods of optimization and towards the simultaneous optimization of all
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Artisanal gold supply chain: Measures from the Ecuadorian …
The focus of the current research was to investigate Ecuador's gold supply chain through analysis of the CBE's (Central Bank of Ecuador) Gold Purchase Program (GPP), which is a novel mechanism introduced by the Ecuadorian government to acquire and register formal gold sales from the artisanal and small-scale gold mining (ASGM) sector.
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Supply Chain Optimization: Business scenarios and …
How to design an operating model for a unicorn . 5 min read - As the starting point of the value chain for almost all enterprises, procurement is a vital business function. Although it's often overlooked, it can make or break a business's success, helping organizations control costs, enhance quality, improve supply chain effectiveness and comply with rules and regulations.
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Knowledge synthesis on the mine life cycle and the mining value chain
Frederick (2010) defines supply chains as production-related input-output links comprising four parts: value-adding activities, the supply chain, end-use markets, and the business-supporting environment. Furthermore, the mining industry is known for its ups and downs, and its cyclical nature can greatly affect the GVCs.
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Fragmentation of the copper supply chain
Mining supply chains are highly complex and account for all mining assets, including equipment, processing plants, and railway and port operations. Further complicating matters is the wide range of processes required to bring copper from the mine to the market and the separate interdependent steps within each activity before the products reach ...
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(PDF) Global asset optimization of open pit mining …
2.1 2.1.1 Modelling and simulating mining supply chains Background and definitions Consider a set of locations in a mining supply chain, L = Lm ∪ Ld, whereby lm ∈ Lm is used to denote a mine m from the set of mines that supply the chain with material, and ld ∈ Ld is used to denote a destination d from the set of destinations (e.g ...
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A matheuristic approach for optimizing mineral value chains …
Mineral value chains, also known as mining complexes, involve mining, processing, stockpiling, waste management and transportation activities. Their optimization is …
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Simultaneous stochastic optimization of an open pit gold mining …
Pimentel BS, Mateus GR, Almeida FA. 2010. Mathematical models for optimizing the global mining supply chain. Intelligent Systems in Operations: Methods, Models and Applications in the Supply Chain. IGI global; p. 133–163.
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Polymathian: Mining Supply Chain Optimization
The Challenge: Coping with the Complexity of Large, Multi-User, Mining Value Chains. Companies operating within large multi-user mining value chains – from producers to rail haulage providers, terminal operators to track owners, and mining conglomerates to supply chain coordinating bodies – all share the same, simple goal: Move material from train load …
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Innovation in the Mining Industry: Technological Trends and …
Innovation plays a critical role in the mining industry as a tool to improve the efficiency of its processes, to reduce costs, but also to meet the increasing social and environmental concerns among communities and authorities. Technological progress has also been crucial to allow the exploitation of new deposits in more complex scenarios: lower ore …
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(PDF) Performance Optimization of Industrial Supply Chain …
Moreover, other variables such as lower supply chain costs, growing sales, rising consumer demands, changing market structure, and increasing competition also influenced supply chain networks.
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Systems thinking approaches to artisanal and small-scale gold mining …
Artisanal and Small-scale Gold Mining (ASGM) is a socio-technical complex system that includes social aspects of gold mining as well as many supply chain components with intertwined relationships. It is also a data-scarce system that needs to be further examined. ... informal gold supply chains: dc.subject: optimization: dc.subject: system ...
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Polymathian: Supply Chain Optimization in the Mining …
supply chain problems that BOLT is used to address. "To manage a massive mining industry supply chain such as this global mining giant's operational network in Queensland, you must be able to solve complex, large-scale business problems stretching across a 30-year time horizon and involving millions of variables
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Supply chain optimization explained—with example
Many definitions of supply chain optimization exist but all generally fall into two categories: In the broad sense, the term refers to all kinds of processes that help improve supply chain performance and efficiency. It applies to managerial approaches, both quantitative and qualitative, that help make a supply chain more lean and agile, grow ...
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Developing an ant colony approach for green closed-loop supply chain …
A model is developed for green closed-loop supply chain in a gold industry. • A green approach based on the CO 2 emission function is regarded in the proposed model.. A new ant colony optimization algorithm is proposed to solve generated and real instances.
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Global gold mining
The world's top gold miners Among gold mining companies, Newmont from the U.S. is the global leader, with a production output of 2.5 million ounces in the first half of 2023. Newmont's revenue ...
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An Application of Simultaneous Stochastic Optimization …
have been developed to incorporate and manage the uncertainty in the optimization of a mineral value chain. These approaches use stochastic simulations of mineral deposits to Citation: …
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Supply Chain Networks Optimization | SpringerLink
Chapter 1 explained that the supply chain network of a company covers all its supply, production, distribution, and sale facilities, as well as those of its suppliers (material vendors, contract manufacturers, 3PLs, etc.) and clients. It was also pointed out that a SCN's propensity to fulfill its mission depends largely on the capability of its physical structure to offer …
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Simultaneous stochastic optimization of mining complexes
J. Zhang and R. Dimitrakopoulos, Stochastic optimization for a mineral value chain with nonlinear recovery and forward contracts *, J. Oper. Res. Soc 69 (2018), ... Simultaneous stochastic optimization of an open pit gold mining complex with supply and market uncertainty, Min. Technol 128 (2019), pp. 216–229. doi: ...
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