Membranes TRIZ Cases

Selective permeation through a pore-free silicone membrane transports pure chlorine dioxide while blocking acidic reagents and byproducts.

A gravity-based filter module produces clean water using plate-shaped filtration members and a support frame without electrical infrastructure.

Decreasing flow channel area in a tapered spiral-wound filter maintains retentate velocity, preventing fouling and extending operational life.

Tubular membrane filters with internal cores regulate permeate flow to maintain consistent transmembrane pressure across the separation surface.

A reactor uses a pulsated magnetic field to accelerate methanol synthesis from captured carbon dioxide and hydrogen.

A membrane filtration assembly uses a tube manifold to direct gas for scrubbing hollow fiber surfaces during cleaning cycles.

A porous membrane template guides atomic layer deposition to form calcite channels with 50 to 100 nanometer widths.

A vacuum housing removes excess solution from hollow fibers without mechanical contact, preventing fiber damage and defects in thin film composite membranes.

Anionic polyvinyl alcohol coating protects the skin layer during element winding to prevent physical damage.

A two-stage tangential flow filtration process separates immunogenic bacterial vesicles from intact cells and soluble proteins.

PPTA hollow fiber membrane uses homogeneous braid reinforcement to withstand high pressures and harsh chemical environments.

A gas removal unit uses permeable membrane tubes to extract oxygen from aircraft fuel via a tortuous flow path.

A plasmapheresis control system adjusts transmembrane pressure to maintain optimal filtrate flow rates through dynamic feedback mechanisms.

Metal oxide nanoparticles facilitate eutectic sintering of non-oxide ceramics, reducing energy consumption while maintaining chemical stability.

A membrane monitoring system estimates remaining useful lifetime using real-time performance data and physical evolution models.

A PLC-controlled membrane bioreactor uses a rotating hood to wash membranes via gas or water jets.

Replacing sand with immersed membranes and using low-dose oxidants maintains biofilm porosity, reducing cleaning frequency while sustaining stable flux.

Segmented polyamide protrusions maintain salt removability and water permeability under frequent pressure fluctuations during reverse osmosis operations.

Segmenting the dialyzer into disposable blood-contacting parts and a reusable housing eliminates plastic waste while maintaining patient safety.

Filtration assembly enriches tumor cell fraction in urine to resolve low diagnostic sensitivity of non-invasive bladder cancer tests.

Segmented parallel circuits handle varying turbidity levels, resolving the contradiction between high clarification quality and versatile dreg processing.

Pre-rating individual membranes enables selective layering to reduce capacity and flux variability in virus filtration devices.

Flexible bag housing integrates hollow fiber filtration with permeate collection to simplify manufacturing and reduce material costs.

A membrane-based gas separator extracts dissolved carbon dioxide from fuel to prevent cavitation and vapor lock during flight temperature variations.

Centrifugal inversion drives liposomes through porous membranes, resolving polydispersity trade-offs in manufacturing precision.

An integrated membrane module separates water vapor and adsorbs oil vapors to protect downstream gas-separation equipment from humidity degradation.

Ultrathin carbon molecular sieve membranes separate gases via pyrolyzed polymer precursors on porous supports.

A high collecting tube vents air from header tubes, ensuring uniform back washing pressure across all filters.

Cooling mother liquor precipitates organics for membrane separation, recovering water and metals while reducing effluent volume.

An electrochemical cell uses ion-exchange and agarose gel membranes to drive stable electro-osmotic flow for biological sample treatment.

A layered porous membrane resolves mechanical strength versus permeability trade-offs by distributing stress across distinct pore sizes.

A compact filtration system uses reverse osmosis and microfiltration membranes to split liquid feed within a single vessel.

Combines air stripping with membrane distillation via a knockout chamber to increase water removal rates while reducing temperature polarization.

Segmented filter components and a retainer seal reduce device complexity while maintaining bioequivalence assessment reliability.

An asymmetric bellows design enables bidirectional insertion and removal of tubular filter assemblies while eliminating lubricant contamination.

Cross-linked polyvinylidene fluoride membranes enable stable nanofiltration using dehydrofluorination and diamine cross-linking.

Polysulfone hollow fibers use additives to sharpen sieving curves, resolving dialysis fiber bottlenecks in middle molecule removal and formulation consistency.

Replacing hazardous solvents with water-soluble diesters and diamides, this method produces membranes with improved mechanical strength and water flux.

A monolithic separation membrane structure featuring a porous support body with variable partition wall thickness to distribute pressure loads.

Nitrogen additives in hybrid TFC membranes form halamine layers that recharge with chlorine, preventing polyamide degradation and fouling.

Stretched porous polytetrafluoroethylene membrane balances high water resistance and air permeability in single-layer structures.

A forward osmosis system circulates a draw solution through subsurface tubular membranes to distribute purified water into soil.

A porous substrate coated with a comb polymer featuring Lewis acid and base lateral chains creates independent ion transport pathways.

Adhering zeolite seed crystals to stainless steel using a low contact angle solvent eliminates acid treatment steps and reduces operation complexity.

A monolithic reverse osmosis element integrates a scavenging duct between adjacent containers to streamline fluid pathways.

A membrane-based water treatment system customizes seawater to produce injection water with specific tolerances.

Aromatic co-polyimide membranes separate CO2 and H2S from natural gas using selective permeability, resisting plasticization at high pressures.

Partial surfactant coating on hollow fibers improves selectivity while uncoated feed ends maintain high product flow and low pressure drop.

A membrane filtration system dynamically adjusts salinity and ion concentration within a microfluidic cell to enable real-time wettability determination.