1.Raw ore preparation：

• The raw iron ore undergoes coarse and fine crushing to a certain particle size for subsequent processing.
• The ore is dried to remove moisture and improve flotation efficiency.

2.Water quality adjustment：

• Water is a crucial factor in the flotation process. It is usually necessary to adjust the water quality to ensure the activity of flotation agents and improve flotation efficiency.

3.Medication addition：

• Flotation agents are key factors in the flotation process, including collectors, foaming agents, adjusters, etc. The type and dosage of reagents need to be adjusted according to the properties of the ore to achieve the best flotation effect.

4.Positive flotation：

• Positive flotation is the use of selective adsorption of flotation agents to separate valuable minerals from ores.
• In the flotation machine, pulp is injected and stirred, and air is introduced to produce foam. Under the action of flotation agent, valuable mineral particles attach to foam and float to the pulp surface.
• The flotation foam is collected and pressed to obtain a concentrate containing valuable minerals.

5.Reverse flotation  (optional):

• In some cases, reverse flotation steps may be necessary to further separate and purify the concentrate.
• Reverse flotation is the use of selective adsorption of flotation agents to separate unwanted minerals from the concentrate that has already been flotation.

6.Concentrate collection and tailings treatment：

• The concentrate after flotation is collected, dehydrated and dried to obtain high-grade iron ore concentrate.
• Tailings are gangue minerals that are discarded during the flotation process and minerals that have not been flotation extracted. The treatment of tailings usually includes steps such as concentration and drying to reduce its impact on the environment.