Membranes TRIZ Cases

Calcium or magnesium precipitate particles form a removable protective layer that traps foulants and maintains membrane permeability.

An outer support keeps swollen hollow fibers off the housing wall, preserving flow channels and preventing abrupt pressure drop during liquid degassing.

Controlled cartridge surface area selectively sequesters activated leukocytes and platelets to reduce inflammation without causing cell deficiencies.

Grafted hydrophilic chains and coagulation-bath crosslinking keep ultrafiltration membranes durably hydrophilic while improving pore uniformity and flux.

A resin-permeation primer helps silica-filled functional films bond to acetyl cellulose substrates without sacrificing transparency or layer function.

Aspect-ratio particles in the separation layer improve heat resistance and suppress membrane breakage during long-term gas separation.

A filtration, precipitation, and UF/DF workflow removes chromatography bottlenecks in antibody purification while cutting cost and processing time.

Nanofiltration splits saccharified corn starch into a high-purity glucose stream for erythritol and a concentrate for liquid sorbitol.

A piston pressurizing module and one-way valves let a portable micro water purifier run with one hand while maintaining filtration efficiency.

A macroporous solid sorbent membrane captures CO2 from air with minimal pressure drop and lower-energy stripping gas regeneration.

Curved circumferential inlet and outlet paths improve blood distribution across hollow fiber assemblies while reducing gaps and supporting consistent manufacture.

Controls trace gases by adsorption equilibrium constants to prevent zeolite membrane permeability loss and simplify gas pretreatment.

Reverse osmosis and electrodeionization cut ionic and organic impurities in hydrogen peroxide to below 1 ppm for semiconductor cleaning.

Low-concentration interfacial polymerization forms porous separation membranes that balance solute rejection, water permeance, and lower pressure demand.

Sunlight-heated TiN-PVDF membranes boost membrane distillation flux while cutting COD and surfactants in laundry wastewater.

A modular chamber-and-membrane model simulates blood and lymph uptake to improve prediction of subcutaneous drug absorption and release.

Membrane pre-filtration lowers grape mash sugar before fermentation, cutting alcohol to 0-4% while preserving aroma and flavor.

Segmented sensor modules track flow, pressure, and conductivity between membrane filters to pinpoint fouling causes and cut downtime.

Bottom liquid drainage removes accumulated water from the vacuum housing, preserving degassing and limiting bacterial growth during continuous use.

Controlled pore size and surface charge let this nanofiltration membrane reject micropollutants while passing nutrient ions at neutral pH.

A crosslinked polyamide layer with a controlled amino density gradient helps raise water permeability without sacrificing solute removal.

A modular holder uses a replaceable membrane and seal assembly to handle high-pressure filtration while reducing clogging and replacement cost.

Magnetic confinement forms ZVI microwires in a hollow fiber membrane reactor to remove dissolved pollutants while limiting catalyst passivation and flux loss.

Periodic heating and vacuum degassing remove dissolved gas, prevent water buildup and bacterial growth, and keep analyzer accuracy stable.

A highly branched polyimide aerogel limits crosslinking to improve manufacturability and recyclability while retaining mechanical integrity and thermal stability.

Plant cells co-express caseins and kinases to assemble phosphorylated micelles in vivo, avoiding harsh chemistry and dairy farming impacts.

A hydrophilic-hydrophobic copolymer coating limits protein and platelet adhesion while preserving albumin sieving and moisture removal over time.

Ionic bonding fixes heparin to hollow fiber membrane surfaces to reduce thrombogenicity without systemic anticoagulation or leaching.

Atmospheric overpressure removes liquid before final drying, raising hollow fiber membrane line speed while cutting heat load and fiber damage.

Using CPVC and pore-forming additives, this membrane resists bleach and heat while maintaining controlled porosity for filtration.

Heated polar and non-polar gas feed reveals membrane leaks, defects, or fractures by tracking non-polar permeation flow changes.

A gripped single-use tube changes cross-section with flow velocity to suppress tube-pump pulsation while avoiding contamination and dead volume.

Amorphous fluorinated copolymer membranes improve gas selectivity and resist plasticization, lowering energy use in separations such as R410a.

Aldehyde-modified cellulose interlayers and crosslinking keep graphene oxide membranes permeable to water vapor while resisting swelling and delamination.

A bowl-through vent removes trapped gas while conductive housing materials drain charge, improving liquid filtration and protecting sensitive equipment.

Reverse osmosis and vacuum evaporation raise maple sap to 60-70 Brix while limiting microbial load and preserving nutritional quality.

Negative-pressure inner silicone coating helps hollow fiber oxygenators resist plasma leakage without complex plasma equipment.

Visible-light g-C3N4/polypyrrole photocatalysis helps this nanofiltration membrane resist organic fouling while maintaining flux and salt rejection.

A water-soluble or permeable textile wrap protects hollow fibers during insertion, avoids removal damage, and enables denser dialyzer packing.

A composite membrane reinforces weak functional-layer sites to prevent breakage or detachment while preserving gas permeability and selectivity.

A g-C3N4/polypyrrole nanocomposite membrane uses visible light to degrade organic foulants while maintaining flux and salt rejection.

A vacuum-driven wig membrane enriches oxygen and carbon dioxide from air without high-pressure compression, cutting energy use and risk.

Cross-flow ultrafiltration isolates solids for pasteurization while the liquid is microfiltered, extending juice shelf life without major flavor loss.

Polymeric membranes remove H2S and CO2 from humid natural gas without extensive dehydration, simplifying sweetening under high acid gas conditions.

Transient ozone pulses create narrow graphene nanopores for high CO2 permeance and selective CO2/N2 and O2/N2 separation.

Real-time prediction and control of VCF and throughput helps continuous ultrafiltration handle variable feed concentration and reduce fouling.

Sequential microfiltration and ultrafiltration recover pea proteins from soluble fractions, improving concentration yield while reducing evaporator fouling.

Curved inlet geometry and centrifuged potting create a circular flow path that improves blood distribution and simplifies fiber assembly.

A one-pot trans-etherification route reuses off-spec PAES in new chains, preserving virgin-like structure for original applications.

Electrostatic polyelectrolyte pore coatings let silicon membranes keep small, selective pores while resisting fouling in blood or water filtration.