Crystallization Separation TRIZ Cases

Lower alcohol dissolution separates fluoride from crude lithium hydroxide, enabling high-purity lithium recovery from battery waste.

Non-reactive gas injection and selective precipitation separate lithium from transition metals, improving recovery yield and precursor purity.

An acidic sulphidation route converts uncrystallized nickel and cobalt sulphates into high-purity sulphides with lower energy and material use.

A DMSO-TBAF-TBAOH solvent system separates cellulose from starch in corn samples for more precise and reproducible quantification.

Plasma and microwave treatment rearrange earth materials before leaching, improving lithium and other metal ion recovery from dilute solutions.

Hydrogen sulphide precipitates nickel and cobalt sulphides in acidic liquor, improving recovery from impure waste streams.

A heated ionic-liquid extraction, cooling, washing, and precipitation sequence improves recovery of metals such as molybdenum and vanadium.

Redox mediators facilitate room-temperature relithiation of end-of-life cathodes while Soxhlet extraction removes PVDF binders without toxic decomposition.

Hybrid para-xylene production uses toluene as both desorbent and washing solvent across adsorption and crystallization stages.

Mobile vacuum filter assembly replaces batch pressure vessels with continuous operation, reducing capital costs and wash liquor consumption.

Polyethylene glycol and tartrate salt form an aqueous two-phase system that separates resveratrol from biomass without organic solvent degradation.

Single-stage polyester crystallization prevents agglomeration during production while reducing acetaldehyde content via inert atmosphere processing.

Limiting specific impurities in sebacic acid reduces yellow index while maintaining dimensional stability.

A thermal treatment process for metal surfaces in an oxidative atmosphere creates a stable oxide layer that prevents fluorescent particle formation.

Sequential dissolution, solvent extraction, and activated carbon adsorption remove silver impurities from copper sulfate for semiconductor electroplating.

Countercurrent gas flow above fluidization rate achieves homogeneous crystallization in polycondensate pellets while maintaining narrow dwell time spectrum.

Quenches molten PET particles into solid form using cooling liquid to enable direct crystallization without re-heating.

Thermal concentration of dissolved copper sulfate precipitates impurities for filtration, eliminating complex acid treatments.

Freezing crystallization eliminates evaporative scaling and brine purification steps, reducing energy consumption while maintaining production capacity.

Alkaline extraction converts radioactive carbon-14 into stable carbonate salts, preventing gaseous emissions during resin volume reduction.

A laser crystallization mask uses radial bar alignment patterns to orient the beam precisely.

Replacing thermal evaporation with selective membrane separation concentrates N-(phosphonomethyl)glycine and reduces energy consumption.

Two-phase fluid system separates exosomes using polymeric precipitation, removing 98% protein contaminants while maintaining structural integrity.

Pressurized heated ethanol dissolves curcumin to high concentrations, resolving facility size constraints while ensuring particle stability.

Electro-coagulation neutralizes colloidal particles to form filterable floc, preventing filter plugging and reducing chemical waste volume.

Alum treatment with pH control at 6.5 reduces magnesium impurities in solar salt, achieving the required Ca2+ to Mg2+ ratio for industrial applications.

A low zeta potential crystal generator alters mineral crystalline structures to enhance water quality and microbial reduction capabilities.

Chloride ions penetrate phosphogypsum crystal lattices to form soluble complexes with radium and heavy metals.

Weakly basic adsorbent removes phosphorous acid from organophosphite solution, ensuring long-term storage stability.

Selective dissolution of cellulose acetate using dichloromethane avoids chemical property alteration and complex pre-treatments.

Atomizer disperses polyphenylene ether solution into fine droplets, enabling precise bulk density control while avoiding thread formation.

A simulated moving bed adsorptive separation process integrates a crystallizer to enhance p-xylene purity.

Iodine separation unit removes harmful compounds from produced saltwater before evaporation recovers usable salt.

Hydrocarbon solvent recrystallization separates undissolved phosphorous acid from organophosphite, achieving low acid content for stable storage.

Draft tubes segment the vessel to distribute mechanical energy uniformly, resolving homogeneity issues in large-volume mixed carbonate precipitation.

Replacing expensive calcium chloride with cheaper calcium hydroxide resolves the contradiction between complete sulfate removal and process cost.

Wall-mounted ozone generator purifies indoor air and surfaces through controlled oxidation, eliminating odors without chemical additives.

Process minimizes caustic consumption by maintaining bicarbonate levels below the invariant point, eliminating purge waste.

A hydrometallurgical recovery method uses calcium hydroxide to precipitate iron from leachate.

Determines mass flows using pressure differences to stabilize the crystal bed transport and improve purification efficiency.

Discrete crystal group tracking simplifies population balance equations, reducing computational complexity while maintaining model accuracy.