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本文介绍汉纳(Hanna)采矿公司在加拿大和美国所经营的非磁性铁矿石浮选法的研究和生产状况。汉纳公司经营铁矿石浮选事业系开始于1940年代末并延续至今。现在汉纳采矿公司拥有700万吨铁精矿的浮选及团球设备能力。本文讨论了实验室的小型探索和研究、半工业试验,以及两家经营铁矿的公司所属选厂的生产情况。这两家公司是美国密执安州铁山的格罗夫兰(Groveland)矿山和加拿大魁北克省赛普特伊利斯(Sept Iles)市加拿大铁矿公司的赛普特伊利斯选矿联合企业。也讨论了美国密苏里州铁山奥查克(Ozark)矿石公司的选厂过去的铁浮选部分。
This article describes the research and production of the non-magnetic iron ore flotation method operated by Hanna Mining Corporation in Canada and the United States. Hanna company operating iron ore flotation department began in the late 1940 and continues today. Hanna Mining now owns 7 million tonnes of flotation and pelletizing equipment for iron concentrates. This article discusses the lab’s small-scale exploration and research, the semi-industrial tests, and the production of the two plants that operate iron ore companies. The companies are the Cooperstown mineral conglomerate of the Groveland mine in Tieshan, Michigan, and the Canadian iron ore mine in Sept Iles, Quebec, Canada. Also discussed was the past iron flotation of Ozark Ore’s mills in Missouri.