Magnetic Ore Separation via Multi-Stage Conditioning
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Solution Overview
Problem
Existing methods for separating valuable ores from mixtures are inefficient due to insufficient binding of magnetic particles, requiring excessive surface-active substances and resulting in low yields.
Innovation Solution
A multi-stage process involving surface-active substance treatment, magnetic particle attachment, and magnetic separation, with optional dispersants and hydrophobic conditioning to enhance the stability and separation efficiency of the ore-magnetic particle adducts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If magnetic particles are used to separate valuable ores from mixtures, then separation is achieved, but the binding strength between magnetic particles and ores is insufficient resulting in low yield and effectiveness
Solution Approach 1:
A surface-active substance acts as an intermediary between the magnetic particles and the valuable ores. This substance modifies the surface properties of both components to enhance their interaction, creating stronger and more reliable binding while maintaining effective separation.
Solution Approach 2:
The surface properties of magnetic particles and ores are modified by changing chemical parameters through treatment with surface-active substances. This alters the interfacial characteristics to improve binding strength and separation effectiveness simultaneously.
2Productivity
If excessive surface-active substances are used to improve binding, then separation effectiveness increases, but substance consumption and cost increase
Solution Approach 1:
Instead of using excessive amounts of surface-active substance, the invention applies an optimized partial amount that achieves the required separation effectiveness. The multi-stage process allows each stage to contribute progressively, reducing the total substance consumption while maintaining high productivity.
Solution Approach 2:
The separation process is divided into multiple stages, each using a controlled amount of surface-active substance. This segmentation allows for more efficient utilization of the substance across stages, reducing overall consumption while achieving complete separation.
3Productivity
If a single-stage separation process is used, then process simplicity is maintained, but separation completeness and yield are insufficient
Solution Approach 1:
The separation process is segmented into multiple sequential stages, where each stage performs a portion of the separation task. This multi-stage approach achieves complete separation and high yield while keeping each individual stage relatively simple in design and operation.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This method allows for efficient separation of valuable ores with reduced surface-active substance usage, achieving higher yields and improved separation efficiency compared to prior art.
Implementation Method 1
brought into contact with a surface-active substance to make it hydrophobic
Implementation Method 2
the agglomerate is separated by the application of a magnetic field
Data Source
AI summary
The present invention relates to a method for separating at least one first material from a mixture containing said at least one first material and at least one second material, comprising at least the following steps: (A) bringing the mixture containing at least one first material and at least one second material into contact with at least one surface-active substance, optionally in the presence of at least one dispersant, wherein the surface-active substance bonds to the at least one first material; (B) optionally adding at least one dispersant to the mixture obtained in step (A) in order to obtain a dispersion; (C) treating the dispersion from step (A) or (B) with at least one hydrophobic magnetic particle so that the at least one first material, to which the at least one surface-active substance is bonded, and the at least one magnetic particle attach; (D) separating the attachment product from step (C) from the mixture by applying a magnetic field in order to obtain the attachment product and a mixture M1 depleted of the attachment product, and repeating the steps (A) to (D).