Process Efficiency Improvement TRIZ Cases
- Arsenical Copper Sulfide Leaching with Scorodite Seed Precipitation
Introducing scorodite seed into the leach slurry precipitates dissolved arsenic as stable scorodite, enabling solvent extraction and raffinate recycling.
- Rare Earth Recovery from Scrap Magnets via Acid Leaching
A system recovers rare earth elements from scrap magnets using acid leaching and liquid-liquid extraction.
- Lithium Extraction from Spodumene via In Situ HF Generation
Heating spodumene with fluoride and sulphuric acid generates hydrofluoric acid in situ, reducing energy consumption compared to high-temperature roasting.
- Rare Earth Recovery from Coal Ash via Acid Extraction
Acid extraction and solvent separation recover rare earth elements from coal ash, cutting energy use by 75% compared to mining.
- Carbide Refining in High-Carbon High-Alloy Steel via Spray Forming
Spray forming refines carbides in high-carbon high-alloy steel, resolving segregation issues that limit mechanical properties.
- Laser Cavitation Ultrasonic Cleaning for Connecting Rod Bolt Holes
A laser cavitation composite ultrasonic cleaning device targets connecting rod bolt holes and bushing gaps with focused energy.
- Aromatic Hydroxyoxime Nickel Cobalt Separation
Aromatic hydroxyoxime extracts nickel and cobalt from acidic leach solutions, preventing reagent decomposition that reduces yields.
- Molten Salt Metal Recovery via Lewis Acid Halogen Salts
Lewis acid halogen salts in a molten bath enable selective metal separation at lower temperatures, reducing gas formation and halogen volatility.
- Lithium Extraction from Sedimentary Clay via Acid Leaching
Acid leaching extracts lithium from sedimentary clay, reducing costs compared to pyrometallurgical methods.