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     · The four arbitrations filed with the International Chamber of Commerce (ICC) against Congo by operators unhappy with having their iron ore permits annulled (AI, 22/07/21) have been taken down to 15 October, the ICC chose to merge the complaints filed by Australian miner Sundance and its Congolese subsidiary Congo two entities each filed a .

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    The American steel industry is the cleanest and most energy efficient of the leading steel industries in the world. This is due to the high percentage of steel made from recycling scrap to make new steel, and the use of domesticallysourced iron ore pellets, as well as the increasing use of natural gas in place of coal and coke to make iron and steel with lower emissions. .

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    access to an ore deposit, it is often more costly and entails greater safety risks than strip mining, including openpit mining. While most largescale mining projects involve openpit mining, many large underground mines are in operation around the world. Reworking of inactive or abandoned mines and tailings Some mining projects involve the reworking of waste piles .

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  • Development of an expert system for iron ore ...

     · The accurate classifiion of iron ores is one of the challenging tasks in the mining industry, and at the same time, it is essential for the future destination of the ores. The present study attempts to develop a machinevisionbased system, combining feature extraction, feature selection, and image classifiion, in order to predict the class of the iron ores. A .

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     · Unearthing corruption risks in mining approvals. 05 December 2017. From resourcerich West Africans nations, to the mining giants of the Pacific and North America, every time a government signs a deal to allow mining of its natural resources there are corruption risks – no matter where that country is. These risks in mining approvals ...

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     · Nordic Iron Ore and ABB will continue the development of the project and have recently signed a Memorandum of Understanding (MoU) for further collaboration at Blötberget. ABB has built indepth sector knowledge, leadingedge technology and global and local project management, engineering and digital transformation expertise from 130 years of working with .

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     · Two German industrialists are set to acquire an iron ore project in Namibia to supply Germany's decarbonised steelmakers. 27/10/2021. On 22 October, the Australian mining junior Deep Yellow, mostly known for its uranium activities, announced it had an agreement to sell its Namibian iron ore project Sheyela. The sale of this noncore asset will ...

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  • Development of an expert system for iron ore ...

     · The accurate classifiion of iron ores is one of the challenging tasks in the mining industry, and at the same time, it is essential for the future destination of the ores. The present study attempts to develop a machinevisionbased system, combining feature extraction, feature selection, and image classifiion, in order to predict the class of the iron ores. A total of 280 image features ...

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     · Furthermore, our work on developing automated mining operations has identified opportunities to reduce the number of people working in areas considered most dangerous by more than 50 percent (see sidebar "Mining the unmineable: How digitization is paving the way for a mining company to move far beyond historical frontiers").

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    Preliminary work was carried out by using a laboratory ball mill to investigate the grindability of the steel slag and OPC clinker when ground separately and interground for periods of 30 and 60 min. OPC clinker having particle sizes in the range of – mm and steel slag having particle sizes in the range of – mm and – mm were used in the test. Comparative tests were ...

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  • Raw Material Mining and Quality Control for Steel ...

     · The majority of iron ore is mined in Brazil, Australia, China, India, the US and Russia. Australia and Brazil together dominate the world's iron ore exports, each having about onethird of total exports . As iron occurs only as iron oxides in the earth's crust, the ores must be converted, or 'reduced', using carbon. The primary source of this carbon is coking coal. Coal is .

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