Other Chemical Processes TRIZ Cases

Quaternary amine and mercapto coated attapulgite or sepiolite remove PFAS from water at lower cost than resins or membranes.

A phosphazene-based COF captures Pb2+ rapidly and selectively while changing from yellow to brown for simple visual monitoring.

Free-radical molecular weight enlargement tunes silane-crosslinkable polyethylene for softer seals, lower compression set, and extrudable melt viscosity.

Alkali-modified zeolite selectively adsorbs and heat-desorbs 1-butene from C4 raffinate to deliver cleaner, higher-purity feed.

A super-hydrophilic doped substrate evaporates absorbed water to cool enclosed spaces below ambient without electrical power.

Melted polymer fills resin pores to separate viruses and protein conjugates from smaller impurities at higher flow rates without losing selectivity.

Metal-doped activated carbon boosts ion exchange and adsorption to remove nitrate, phosphate, and PFAS from water at lower cost.

A wood-particle granulate with 0.1-0.5% soluble salt melts snow and ice at very low temperatures while limiting pollution and road damage.

Layered core-shell chromatographic materials control pore geometry to improve column efficiency, mechanical stability, and high-pH compatibility.

An LDH surface layer gives bentonite strong anion exchange, improving iodine and other radionuclide capture in deep geological disposal.

Reversible N-terminal peptide capture on solid support cuts purification loss while enabling on-support modification and traceless release for MS analysis.

Anchoring diethyldithiocarbamic acid in a surface-crosslinked layer sustains antibacterial and deodorizing performance without sacrificing absorption.

Milder deprotection and amine-convertible monomers enable primary amine aerogels with high CO2 uptake, better oxidative stability, and lower cost.

Oxidized activated carbon impregnated with metal-triazine complexes and calcined boosts chloramine removal while lowering cost and footprint.

Controlled abrasive particle tilt, rotation, and make coat properties improve material removal while limiting swarf generation and distribution.

A microcrystalline cellulose shell helps superabsorbent polymer resist gel blocking while improving absorption rate and permeability.

Pattern-coated abrasive zones and aligned laminate voids preserve airflow for dust extraction while improving cut rate and abrasive life.

A sulfonic-acid polymer and controlled silica zeta potential enable CMP to remove silicon carbide while protecting silicon nitride and oxide.

Covalently bonded amines on porous supports raise CO2 uptake while resisting water interference and improving hydrothermal cycling stability.

Molecular sieves with a cured rubber binder capture organic vapors in HDDs while preserving oxygen needed for stable head performance.

Amine grafting on porous supports maintains CO2 uptake under water interference while improving hydrothermal and cycling stability.

Porous silicon carbide abrasive with a ceramic bond improves titanium grinding by lowering heat, limiting oxidation, and preserving wheel integrity.

A microcrystalline cellulose shell helps superabsorbent polymer prevent gel blocking while improving absorption rate and permeability.

A PP-based single-copolymer sealing insert replaces PVC while preserving elasticity, heat resistance, and tight sealing for sterilizable closures.

Polymer-modified Li/Al-LDH improves selective lithium adsorption from low-concentration water sources while simplifying purification and enabling recyclable use.

Copper-based MOFs selectively adsorb nitrate from water with high aqueous stability, broad pH tolerance, and repeatable regeneration.

Specific micropore and 3.0-3.5 nm pore volumes let activated carbon filters remove PFAS effectively even at high water superficial velocity.

Specific fluoropolyether structures and a fluorine-containing oil improve cured-layer friction durability while preserving water, oil, and fouling resistance.

Sequentially adding amino silane after polymer and catalyst mixing improves cure speed, adhesion, storage stability, and reduces bleeding.

Heat discoloration is used to judge when an antistatic resin container should be replaced, avoiding carbon leakage, fiber damage, and bleed-out.

A reducing agent added before drying drives redox polymerization during chopping, cutting residual monomers and extractables in super absorbent polymer.

Semipermeable sorbent microcapsules selectively remove oxidized PTH from serum or plasma, enabling more accurate non-oxidized PTH measurement.

Amine-forming guanidine on bimetallic MOF-74 boosts CO2 uptake and selectivity while improving stability under humid conditions.

Zeolite and cerium getter paste captures nitrogen, methane, and carbon dioxide in vacuum glass panels to maintain insulation at low pressure.

Carboxylic acid stabilization keeps cerium oxide particle suspensions stable at basic pH, preserving size control for catalyst preparation.

Multi-step chromatography with resin treatment removes oxygenates to ppm levels, yielding isoprenoids pure enough for polymerization.

Controlled slip strain keeps swelling permeability and absorption rate stable while reducing fine powder in polyacrylic acid superabsorbent polymer.

Natural polysaccharide cross-linking replaces synthetic SAPs to hold soil moisture longer while cutting water and fertilizer use.

Additive manufacturing with controlled sol-gel rheology forms shaped abrasive particles with precise geometry and broader application versatility.

Aprotic zwitterions dissolve hydrophobic drugs without triggering cell differentiation and protect frozen cells without DMSO, glycerol, or serum.

A foamed non-hexavalent conversion coating stays on complex aluminum surfaces long enough for single-application corrosion protection.

Elongated colloidal silica and mixed silane derivatives help antifogging films adhere to plastic while preventing water trickling and fogging.

A liquid-infused surface treatment cuts gel block tackiness, improving cable closure handling, re-entry force, and sealing retention.

Two absorbent layers with different resin lockup heights balance fast saline uptake with low re-wet in absorbent articles.

A bio-based SAP uses sodium alginate and modified cellulose to achieve strong absorption and biodegradability without high-temperature crosslinking.

Atmospheric-pressure reflux and ultrasonic mixing simplify HoMOF synthesis while improving pore uniformity for faster, higher-capacity methylene blue adsorption.

Controlled O-C=O surface chemistry enables fast water uptake and high absorbency without foaming agents or excess fine powder.