Title: Method for improving recovery of hematite and limonite
Application Number: 200610017607 Application Date: 2006.04.04
Publication Number: 1827800 Publication Date: 2006.09.06
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: C22B1/14,B03C1/02
Applicant(s) Name: Zhang Zhifa Address: 471003
Inventor(s) Name:
Attorney & Agent: nie mengmin
Abstract:
     The invention relates the method for Improving the red hematite and brown hematite recovery ratio. The method of solving low recovery ratio of red hematite and brown hematite comprises the following steps: treating the non-magnetic iron ore to magnetic ore, and then dressing ore with magnetic method. The invention method comprises the following step: disintegrating the ore with crusher, high-temperature roasting, making it form magnetic ore, adding water, and then dressing ore with magnetic method. The method has the advantages of simple operation, high Fe2O3 ore recovery ratio and great economic benefit.
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