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Research on production capacity planning method of …

ghhi 1–3. e open-pit coal mining has the characteristics of high recovery and high safety factors, open-pit coal mining can bring huge economic benets to the mining area 4–7. In the mining ...

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Innovative open pit mining equipment for China

In temperatures as low as minus 40 degrees Celsius, the new equipment will handle 3,000 metric tons of coal per hour at China's northernmost open-pit mine. The fully mobile in-pit crusher will be loaded with coal directly at the mine face by a rope shovel without the use of any heavy truck.

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Eco-environmental assessment model of the mining area in Gongyi, China

Mine solid waste pollution includes a large amount of waste rock from open-pit mining and pit mining, coal gangue produced by coal mining, tailings from beneficiation and slag from smelting.

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Innovative open pit mining equipment for China

Innovative open pit mining equipment for China. ThyssenKrupp Fördertechnik has received an order from Huaneng Yimin Coal and Electricity Co. Ltd. to …

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Ecological Reconstruction Research and Practice in the Large Open-Pit

PSOMA is the largest coal production base in the end of 20th century in China. Its geological reserves are 12.75 billion tons and the planned production scale is 65 million tons per year in this mining area.Of which, the scale of state-owned large opencast mines is 45 million tons, and the scale of local-owned coal mines is 20 million tons.. The …

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Formation mechanism and dynamic process of open-pit coal mine …

The Xinjing Open-Pit Coal Mine landslide is situated in the southern region of Helan Mountain (Fig. 1a). This region under experienced aulacogen deposition from the middle-late Proterozoic and to early Paleozoic periods, with the reactivation of ancient faults and rift development in the late Paleozoic, and reverse thrusting and folding uplift since …

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Aktogay Copper Mine

As of 31 December 2017, the Aktogay mine is estimated to contain proven and probable sulphide ore reserves of 1.4Mt, as well as 99,910t of oxide reserves. Mining and processing of ore at Aktogay …

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Research on Selection and Matching of Truck-Shovel in Oversized Open

The equipment investment is large and the annual operating cost is high in oversized open-pit mines. The rationality of the truck-shovel selection and matching has a more prominent influence on the economic benefit of mines. Therefore, we set up an optimization method of truck-shovel selection for oversized open-pit mines, and …

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Proposal to ban open-pit mining advances in Mexico's …

Legislation to ban open-pit mining in Mexico was passed out of committee last week and the Chamber of Deputies will take up the bill when Congress is back in …

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Extraction and spatiotemporal changes of open-pit mines …

The limestone mining areas in Qingzhou, Shandong Province, China, was selected as a case study. The annual maximum NDVI was first derived from the Landsat NDVI datasets, and then the Otsu algorithm was used to segment the annual maximum NDVI images to obtain the extent of the mining areas. ... Moreover, the open-pit …

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Multidimensional spatial monitoring of open pit mine dust

This paper takes China Coal Pingshuo Group Limited Anjialing Open Pit Mine (Hereinafter referred to as "the Anjialing open pit mine") as the research object, …

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EXCLUSIVE: Alamos Gold CEO Talks Growth, Possible Open …

Alamos Gold CEO says he thinks Mexican politicians will reconsider proposed open-pit mining ban. As Alamos Gold, a mid-tier producer of the precious metal, …

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Research Progress of Soil and Vegetation Restoration Technology in Open

Open-pit mining has caused extensive land destruction, including land abandonment and reduction in agricultural land, resulting in serious environmental problems. Ecological restoration and mine reclamation have become important components of the sustainable development strategies in Inner Mongolia, China. Therefore, the …

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Minerals | Free Full-Text | Three-Dimensional Simulation …

Open-pit mining is a common mining method. Inevitably, the pits created during the mining process create pit slopes. These slopes can be affected by natural conditions or engineering works and lead to geological hazards [1,2], and these slope-related hazards have a direct impact on people's lives and property, with some common …

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Open-Pit Mining Design | SpringerLink

(5) The stripping and mining equipment is compared and selected, and the number of the main equipment is calculated. (6) Capital construction and production stripping and mining schedule and waste rock disposal plan are prepared. (7) The flood control and drainage schemes and required equipment of the open-pit are compared …

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Aktogay Copper Mine

As of 31 December 2017, the Aktogay mine is estimated to contain proven and probable sulphide ore reserves of 1.4Mt, as well as 99,910t of oxide reserves. Mining and processing of ore at Aktogay mine. Conventional drill and blast methods of mining using trucks and excavators are being used for the Aktogay open-pit mining operation.

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Exploring China's Footprint in the Andes Mountains: Copper Mining …

Mirador mine is the first open pit mine and one of the largest mines in Ecuador. In 2019, it was projected to produce nearly 94,000 tons of copper annually. The Chinese CRCC-Tongguan consortium acquired Mirador mine in May 2010, then two years later in March 2012, signed a contract with the Ecuadorian government to begin …

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Open-Pit Coal Mines: Implications for Green Mining

Abstract: The particulate pollution in the open-pit coal mines of China is particularly severe in winter. The aim of this study is to understand the pollution characteristics of …

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Comprehensive overview: Fleet management drives green …

The mining industry, which emits 4–7% of global greenhouse gas emissions, is regarded as one of the key energy-intensive sectors for carbon reduction [8].As an important method of mineral resource extraction, direct carbon emissions from production activities contribute up to 45–60 % of the total mining lifecycle, and energy consumption …

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Haerwusu (China) | Mining Digital

China's largest open-pit coal mine belongs to Haerwusu. Located in the Inner Mongolia Autonomous Region of China, the mine is spread across the middle of the Zhungeer Coalfield and is estimated to contain 1.7 billion tons of coal reserves. ... Mining excavators are the giants of mining equipment, and among the biggest are the …

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Thiess and RWE form JV for IPCC

The definitive guide to mining operations and excellence. Established in 1909 by Herbert Hoover, Mining Magazine provides comprehensive technical insight into mining operations. It aims to inform and support mine management in decision-making regarding mining techniques, technologies, workforce, logistics, and supply chains.

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The Thin Coal Seam (TCS) Mining Technology for Open Pit Mines in China

Coal seam that is thinner than a certain value is defined as thin coal seams (TCS). It commonly occurs in China as it covers 84.2% of the mining area. This situation is even severe in China's large surface coal mines, in which TCS accounts for 10–50% of the total reserve. Most TCS cannot be feasibly mined due to the working conditions of …

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Failure process and mechanism analysis of rock slope …

Underground mining under the slope can induce strata movement, which in turn can induce landslides and surface subsidence. Previous studies have focused on the damage behavior of the surrounding rock mass caused by underground mining, ignoring the combined effect on the rock mass from open-pit mining to underground mining. In …

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Stripping Peak of Open-Pit Mining | SpringerLink

A peak for the production stripping ratio in a certain period exists with the extension of the open-pit mining projects. For inclined and steeply inclined ore bodies, with the deepening of the mine project, the production stripping ratio changes continuously, from low to high and then from high to low.

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Open Pit Mining

Mining and milling. Markus H.A. Piro, Ksenia Lipkina, in Advances in Nuclear Fuel Chemistry, 2020 8.2.3.1 Open pit mining. Open pit mining refers to mining directly on the ground surface, thereby producing an open pit. This method is practical and cost-effective when the uranium ore is located near the surface (e.g., within 100 m). Underground …

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Open-Pit Coal Mines: Implications for Green Mining

2 High-Tech Research Center for Open Pit Mines, China University of Mining and Technology, Xuzhou 221116, China 3 Haerwusu Open-Pit Coal Mine, China Shenhua Energy Co. Ltd., Ordos 017100, China * Correspondence: [email protected] (W.Z.); imjiskani@hotmail (I.M.J.) Abstract: The particulate pollution in the open-pit coal …

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Multidimensional spatial monitoring of open pit mine dust …

The open pit mining industry is an important basic industry related to China's economic lifeline and energy security, China's open pit coal production has been maintaining good growth momentum.

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Research on Intrinsic Safety Method for Open-pit Mining

Procedia Engineering 43 ( 2012 ) 453 â€" 458 1877-7058 2012 Published by Elsevier Ltd. doi: 10.1016/j.proeng.2012.08.078 International Symposium on Safety Science and Engineering in China, 2012 (ISSSE-2012) Research on Intrinsic Safety Method for Open-pit Mining Zheng Kaihuan a, *, Jiang Fuchuan a a Faculty of Land Resources …

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Asia's largest BWE System in Operation

The system consists of a large-scale Bucket Wheel Excavator SRs 2000 (rated capacity 6,600 m3/h) with loading unit, a 7,750 m long conveyor system consisting of 5 flights as well as a compact ...

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Mining | Free Full-Text | Recent Research Agendas in Mining Equipment

Nowadays, with the advancement of technological innovations and wide implementation of modern mining equipment, research topics on mining equipment management are attracting more and more attention from both academic scholars and industrial practitioners. With this background, this paper comprehensively reviews recent …

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Open Pit Mining | IntechOpen

Open pit mining method is one of the surface mining methods that has a traditional cone-shaped excavation and is usually employed to exploit a near-surface, nonselective and low-grade zones …

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Exploring China's Footprint in the Andes Mountains: Copper …

In this study, we focus on the interplay between China's geopolitical ambitions, industrial supply chains, and copper mining activity in South America. …

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Research on Selection and Matching of Truck …

The equipment investment is large and the annual operating cost is high in oversized open-pit mines. The rationality of the truck-shovel selection and matching has a more prominent influence on …

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