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Question:

What is called lean magnetite?

What is called lean magnetite?

Answer:

Ultra poor magnetite refers to magnetic iron (mFe) content is lower than the current standard for selection of iron ore iron ore industry index, industrial grade is 8%, in the current economic technology (including environmental conditions) on the development and utilization of iron bearing rocks. The development of super lean magnetite has the characteristics of high market sensitivity, large profit range, big economic risk, less ore dressing ratio (generally 1: 7~1: 10), large amount of tailings discharge and high environmental pressure.
Specific standards at home and abroad, there are 40% domestic mines even good, and the Chinese kuangtong through the foreigner called lean, good foreign iron mines in more than 60%
Iron ore is generally divided into magnetite and hematite ore to iron content is relatively low, magnetite is lean magnetite iron content is low.

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