Magnetic Agglomeration Energy Input for Ore Separation
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Solution Overview
Problem
Current magnetic separation processes for valuable particles from ores suffer from low yield and grade of the obtained valuable material, necessitating improvements to enhance the efficiency of the valuable matter recovery process.
Innovation Solution
A method involving the contact of first type particles and second type particles with magnet type particles in a dispersion medium, applying mechanical shear energy to achieve improved agglomeration, followed by magnetic separation using a magnetic field, with specific energy inputs and shear rates optimized for effective agglomeration and separation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If magnetic particles are added to ore mixtures for separation, then magnetic separation can be performed, but the bond strength between magnetic particles and ore is insufficient resulting in low yield and effectiveness
Solution Approach 1:
The patent introduces a surface-active substance as an intermediary between the magnetic particles and ore particles. This substance adsorbs onto both surfaces, creating a chemical bridge that significantly strengthens the bond between magnetic particles and ore, thereby improving separation effectiveness and yield
Solution Approach 2:
The patent modifies the chemical parameters of the particle surfaces by treating them with surface-active substances. This changes the surface chemistry to enable stronger interactions, transforming the weak physical adhesion into strong chemical bonding, which resolves the insufficient bond strength issue
2Reliability
If high energy input is applied during agglomeration, then better mixing and contact is achieved, but excessive energy consumption occurs
Solution Approach 1:
The patent replaces high-energy mechanical mixing with a chemical mechanism. Surface-active substances enable spontaneous agglomeration through chemical attraction between particles, eliminating the need for intensive mechanical energy input while achieving effective agglomeration
Solution Approach 2:
The system enables self-agglomeration of particles through chemical interactions facilitated by surface-active substances. particles automatically bind to magnetic carriers without requiring external mechanical energy input, making the process energy-efficient
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 enhances the agglomeration and subsequent separation of valuable particles, leading to higher recovery rates and improved efficiency in the valuable matter recovery process, potentially reducing the amount of material needing treatment in subsequent steps and energy consumption.
Implementation Method 1
the ore mineral present in the gangue is treated with magnetic particles, as a result of which agglomerates are formed due to hydrophobic interactions
Implementation Method 2
a magnetic field is applied so that the agglomerates are separated from the mixture
Data Source
AI summary
Method for separating first type particles from a mixture of at least first type particles and second type particles, the method comprising contacting in a dispersion medium first type particles and second type particles with magnet type particles, so that in the dispersion medium first type particles agglomerate to magnet type particles to obtain magnetic agglomerates, separating magnetic agglomerates from second type particles by applying a magnetic field; wherein during step an amount of energy is transferred into a mixture of the dispersion medium, first type particles, second type particles and magnet type particles.