Beryllium Oxide Dissolution Using Dielectric Heating in Acid

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Solution Overview

Problem

Existing methods for dissolving beryllium ore in solvents require high energy inputs, particularly in pre-treatments like sintering and melting, which are energy-intensive and costly.

Innovation Solution

A method involving dielectric heating of acidic solutions containing beryllium oxide to generate a beryllium solution, followed by anhydrization, electrolysis, and neutralization steps to produce beryllium hydroxide and oxide, utilizing microwave heating to enhance energy efficiency.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If sintering treatment or melting treatment is applied to beryllium ore, then the beryllium ore becomes soluble in solvent, but the energy consumption increases significantly

Engineering Contradiction:
Improvesolubility of beryllium oreVSAvoidenergy consumption
Core Design Contradiction:
ReliabilityVSUse of energy by moving object

Solution Approach 1:

The patent changes the physical and chemical parameters of the beryllium oxide by subjecting it to dielectric heating in an acidic solution. This transforms the insoluble beryllium oxide into a soluble form through direct dielectric heating, eliminating the need for high-temperature sintering or melting treatments while achieving complete dissolution.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent replaces the mechanical/thermal processing system (sintering and melting furnaces operating at 770-1650°C) with a dielectric heating system. This substitution uses electromagnetic field energy to directly heat and dissolve the beryllium oxide in acidic solution, dramatically reducing energy consumption from thousands of degrees Celsius to much lower operating temperatures.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

2Ease of manufacture

If conventional dissolution methods are used, then the process is simple, but the dissolution efficiency is low

Engineering Contradiction:
Improveprocess simplicityVSAvoiddissolution efficiency
Core Design Contradiction:
Ease of manufactureVSProductivity

Solution Approach 1:

The patent employs periodic dielectric heating cycles to dissolve beryllium oxide in acidic solution. The alternating electromagnetic fields create periodic heating and cooling cycles that enhance the dissolution rate and efficiency, allowing complete dissolution to occur much faster than conventional continuous heating methods.

Inventive Principle:
Principle #19Periodic action

Solution Approach 2:

The patent utilizes phase transition phenomena during dielectric heating, where the acidic solution and beryllium oxide undergo rapid heating and dissolution phase changes. This enables complete dissolution in a short time period, significantly improving productivity while maintaining process simplicity.

Inventive Principle:
Principle #36Phase transitions

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

The method achieves high energy efficiency in producing beryllium solutions, hydroxide, and oxide, reducing energy consumption and costs while effectively dissolving beryllium ores.

Implementation Method 1

a main heating step of dielectrically heating an acidic solution containing beryllium oxide to generate a beryllium solution

Methodology Applied
Scientific EffectDielectric heating: Dielectric Heating

Implementation Method 2

an anhydrization step of carrying out anhydrization of the beryllium solution so as to generate beryllium salt

Methodology Applied
Scientific EffectAnhydrization:

Implementation Method 3

an electrolyzing step of carrying out molten salt electrolysis of the beryllium salt so as to generate beryllium

Methodology Applied
Scientific EffectElectrolysis: Electrolysis

Implementation Method 4

a neutralizing step of neutralizing, with a base, the beryllium solution so as to generate beryllium hydroxide

Methodology Applied
Scientific EffectNeutralization:

Implementation Method 5

a third heating step of heating the beryllium solution so as to generate beryllium oxide

Methodology Applied
Scientific EffectEvaporation: Evaporation

Data Source

PatentUS12467115B2Method for producing beryllium solution, method for producing beryllium, method for producing beryllium hydroxide, method for producing beryllium oxide, and beryllium oxide
Publication Date: 2025.11.11 SK KAKEN CO LTD
  • US12467115B2 patent drawing
  • US12467115B2 patent drawing
  • US12467115B2 patent drawing

AI summary

This invention has an object to provide a method for producing a beryllium solution by dissolving beryllium oxide, the method being novel and having high energy efficiency. A production method (M10) for producing a beryllium solution includes a main heating step (S13) of dielectrically heating an acidic solution containing beryllium oxide to generate a beryllium solution.