Organic Anion Exchangers TRIZ Cases

A weakly basic styrene-based anion resin removes hydrogen fluoride from non-aqueous battery electrolyte without non-selective adsorption.

Tertiary amino resin removes fluorinated ionic degradation compounds from acidic treatment solutions, cutting contamination to 100 ppt or below.

Macroporous anion exchange resin and regenerant recovery remove short- and long-chain PFAS while cutting toxic waste and disposal cost.

Converting iodate to iodide with thiol compounds enables sorption, ion exchange, or precipitation for effective radioactive iodine removal.

A protonated polyamine network on porous silica captures sulfate, nitrate, arsenate, and fluoride with high capacity and NaCl regeneration.

Replacing costly silver adsorbents, tertiary amine ion exchange captures iodides from organic media at lower temperatures and protects downstream copper catalysts.

Covalently bound oligomeric chains on silica grains remove NOM and PFAS by ion exchange and support acid, base, or salt regeneration.

Ion-exchange resin captures PFAS, then electro-oxidation mineralizes concentrated regeneration fluid for resin reuse.

A Type II strong anion resin and cation resin reduce hydrolysis products to meet pharmacopoeial purity limits.

Ion exchange resin or activated carbon adsorbs multiple fluorine-containing compounds from polymer-production wastewater.

Adsorbents remove short chain fatty acids from heated hydrocarbon streams to lower acid numbers below 0.1.

Surfactants reduce interfacial tension during jetting to prevent mass transfer, yielding uniform acrylic polymeric beads with narrow size distributions.

Porous polymer beads incorporate solid particulate fillers to boost DOC removal rates and mechanical wear resistance in water purification.

Increasing salt concentrations separate chromate and nitrate ions, reducing waste volume during ion exchange column regeneration.

Porous ion exchange resins extract water from hypersaline brines, bypassing high osmotic pressure limits of reverse osmosis.

Interpenetrating polymer network resins remove perchlorate from water using quaternary ammonium functionality.

Impregnating anion exchange resins with polyphenol improves uranium removal efficiency while preventing leaching in high salinity water.

Composite aromatic resins withstand 80°C operation, preventing degradation and component release in industrial desalination.

Polycarbonyl polymer attached to a primary amine functional ion exchange resin reacts with sulfites.

Amine-functionalized polymer bodies adsorb halogenated organic compounds and radionuclides, overcoming the low capacity of traditional ion exchange resins.

A diatomaceous earth precoat layer separates solid components from aqueous fluoropolymer production fluid.

Tin(II) oxide doping on polymeric beads enhances selectivity for hexavalent chromium, resolving low removal efficiency in conventional ion exchangers.

Amine functionalized anion exchange resin binds carbon disulphide into a solid adduct, reducing levels below 2 ppm to prevent downstream catalyst poisoning.

Cross-linked polyamine beads resolve the trade-off between nitrogen content and mechanical strength, enabling high-capacity anion exchange without deformation.

Macroporous polystyrene copolymer ion exchangers laden with cobalt hexacyanoferrate complexes adsorb cesium ions from aqueous solutions.

Cationic porous materials capture nucleic acids in aqueous two-phase systems, eliminating hazardous solvents while boosting concentration up to 1000-fold.

A dual functional-group anion exchange resin combines weak and strong base groups to enhance adsorption capacity.

Macroporous resin removes colloidal particulates and silica, reducing SDI values by 75% to prevent membrane fouling.

Replacing chlorinated swelling agents with non-chlorinated alternatives eliminates toxic waste while maintaining high reaction yields.

Partial resin regeneration reduces capacity by 20% to eliminate complex recovery infrastructure and lower operational costs.

Selective binding sites remove targeted inorganic ions without energy-intensive equipment, reducing operational costs.

Composite IPN ion exchange resins eliminate costly pH adjustment steps while maintaining high chromium removal capacity in complex water matrices.

Composite functional groups on vinyl aromatic resin particles maintain osmotic stability during regeneration cycles while removing color.

Reducing Fe(III) to Fe(II) enables anion exchange chromatography to separate iron from 68Ga, resolving contamination that lowers specific radioactivity.

Covalent alkylamine segments on cross-linked polymers increase ion adsorption capacity while maintaining mechanical durability for rare earth separation.

Pyrolyzing sugars yields glycolaldehyde for reductive amination, eliminating hazardous ethylene oxide feedstocks.

Solid anion exchanger binds polyphosphate to prevent calcification while maintaining storage stability against humidity and deposit formation.

A modified ion exchange resin catalyst converts sulfur compounds in olefinic LPG streams into heavier sulfides through reactive desulfurization.

Cyclic polarity reversal regenerates boron-selective resin in situ, reducing concentrations from 4.6 ppm to below 0.5 ppm without chemical additives.

Weakly acidic cation exchange resin paired with a neutralization tank maintains domestic pH levels while electrolyzed water restores ion exchange capacity.