Semi-Permeable Membranes TRIZ Cases

Poly(arylethersulfone) polymers incorporating cycloaliphatic diols replace bisphenol A to maintain mechanical strength and optical clarity.

A zeolite membrane complex uses seed crystals and specific molar ratios to form a dense ETL-type structure.

Carbon molecular sieve membranes separate oxygen from aircraft fuel tank air to reduce flammability.

Optimized storage solvents with reduced buffer and salt concentrations resolve monomer tailing and improve aggregate recovery in size exclusion chromatography.

A ceramic separation membrane with a zeolite base and siliceous outermost layer selectively permeates water.

A pump fills a membrane filter chamber based on measured partial circuit pressures to ensure complete liquid displacement.

Link elements engage filter end caps to transmit twisting and axial forces, breaking polymeric cartridges free from housing friction.

Light-driven copper catalysts produce hydrogen peroxide at ambient temperature, eliminating high-energy thermal requirements.

A method to produce partially freestanding two-dimensional crystal films using a carrier substrate and catalyst layer.

Segmenting extraction and carbonation prevents slag fouling, while hollow fiber membranes enable solvent recirculation for efficient CO2 fixation.

Optimized monolithic membrane filtration structure enhances filtrate flow through tubular geometry.

Optimized amide and amino group content removes cytokines and leukocyte complexes while maintaining carrier strength.

Direct-contact electrical contacts measure impedance shifts in the blood circuit to identify needle dislodgment and prevent significant blood loss.

Adjustable flanges engage quick-connect grooves to accommodate varying distances between dialysate connections.

Capacitor monitoring detects membrane integrity changes in blood treatment heat exchangers to prevent fluid contamination.

Multilayer polyolefin membrane structure with bonded ethylene and propylene polymer layers eliminates external bonding agents to resolve surface stickiness.

A fuel filtration system uses a kidney loop with series-parallel flow distribution to capture contaminants and reduce vibrations.

Computational model for multilayer polymer structures predicts solvent permeation through discretized slices and mass balances.

Alkali metal reduction creates polyelectrolyte salts for individualized carbon nanotube dispersion in polar aprotic solvents.

A thermal inverter gas separator uses a coiled path to guide hydrogen and oxygen molecules toward distinct outlets.

Porous nanocomposite hydrogel beads remove water contaminants through synergistic adsorption and photocatalytic degradation mechanisms.

Incorporating polycarboxybetaine into the spinning center fluid modifies the membrane surface to improve selectivity for middle molecular weight substances.

Hollow fiber membranes extract sulfur compounds via alkali prewash, eliminating complex tray designs required for offshore rocking motions.

Photolytic decomposition breaks down toxic nitrosamines in condensate, preventing atmospheric emission from amine-based CO2 capture.

A dehydration-rehydration synthesis protocol accelerates microporous crystal nucleation and growth.

Semipermeable membrane blocks glycated proteins to resolve interference issues while maintaining glucose detection accuracy.

MA-M2T spinel solid solution reinforcement in magnesium oxide ceramic foam filters prevents reactive dissolution in molten magnesium alloys.

Bent tubular filter elements with 0° to 90° angles optimize cross-flow filtration, removing low-concentration micropollutants that standard units miss.

Aromatic anhydride monomers modify polyamide layers to boost salt rejection and permeability.

Stacked membrane modules in a compact housing deliver redundant sterilization without increasing device complexity.

A thermoplastic fleece filter bonds activated carbon particles using a specialized binder to maintain adsorption capacity during thermal processing.

Plastic deformation creates 3D structures in uncut thermoplastic webs, eliminating cuts to improve attachment quality and reduce material loss.

Segmented snap-fit geometry separates translation from rotation to simplify installation of heavy industrial air filters.

Segmented pyramidal faces deflect large debris and break up ice crystals, preventing complete blockage in aircraft fuel pipes.

A gas scrubber uses a dialkali carbonate buffer to remove carbon dioxide from biogas.

Humidity-responsive hydrogel with suspended spores deposits biological agents onto surfaces, eliminating complex microfluidic equipment requirements.

Shaping sections on fastener stems enable elastic deformation, decoupling head movement to improve adhesion under relative motion.

A heat-resistant seal blocks hot desorption air from reaching an elastic seal in a revolving gas concentrator rotor.

Adjusting fermentation broth pH associates the compound with particulate matter, enabling high-concentration extraction without increasing equipment volume.

Segmented processing converts closed cells into open structures to resolve inconsistent geometry, ensuring uniform fluid retention and structural strength.

Nanotrench systems in composite membranes boost hydrogen transmission rates while maintaining mechanical durability under high pressure differentials.

Encapsulating active particles in a porous membrane prevents crushing and loss while maintaining low pressure drop during species removal.

Adjustable clearances at humidifier housing connections enable precise joint positioning, eliminating expensive post-molding machining costs.

Melt-blown fibers bind pleat ridges to prevent collapse under pressure and improve flow uniformity.

Uniform ceramic particle dispersion within the polymer matrix resolves low ion conductivity and poor thermal stability in lithium-ion battery separators.

Dual-channel electrolytic cell regenerates eluents and removes contaminants to reduce baseline drift in ion chromatography.

Heating coconut water to 50-100°C while filtering through 0.2 micron microfilters removes pathogens without destroying natural flavor or nutritional benefits.

Removing the temporary gelatin support eliminates expensive polysulfone layers, lowering manufacturing costs while maintaining desalination rates.