Membranes TRIZ Cases

See how a laminated air-permeable sheet with polymer film and corrugation pattern increases vap

See how atomic layer deposition stabilizes nanocarbon ink on porous substrates to improve adhes

See how restriction portions and strategic spaces stabilize hollow fiber membranes, preventing

See how a monofilament braid on a scalloped dissolvable core eliminates whiskering, improves po

See how crosslinking cellulose with multi-functional carboxylic acids reduces wet swelling, mai

See how integrated sealing beads in single-layer metal flow plates reduce humidifier manufactur

A split gas stream balances reheated and unheated portions before permeation, easing membrane stress during low-temperature CO2 separation.

See how a porous inorganic membrane removes air contaminants from chiller refrigerant without l

Brief high-pressure extraction followed by cooling helps preserve heat-sensitive compounds while reducing equipment complexity and cost.

See how optimized feed channel geometry enables spiral-wound filters to achieve 70% of cassette

See how an integrated ozone generator with periodic treatment sanitizes pitcher surfaces to pre

See how an intermediary sealing member absorbs thermal deformation between potting and housing

See how vacuum deposition and self-assembly replace wet chemistry to functionalize porous subst

See how directing pressurized solvent flow creates self-regulating pressure gradients in extrac

See how purging oxygen and pressurizing with inert gas enables thin, breathable polymer coating

See how low-power plasma polymerization of fluorinated acrylate monomers achieves uniform hydro

See how optimized feed channel height and turbulence promoters enable spiral-wound filters to m

See how controlled heat treatment during weaving densifies braid inner surfaces, expands inner

See how a coiled-duct centrifugal separator removes CO₂ by molecular weight without chemical re

Temperature, pH, voltage, light, or pressure switches grafted polymer surfaces between oil-loving and oil-repelling states in aqueous media.

See how a poly-grain grind matrix with interlocking particle sizes prevents solvent channeling

An ultrafiltration bypass treats circulating sanitary water only when needed, limiting heating energy while controlling microorganisms.

See how vapor-permeable membranes and countercurrent flow enable compact gas drying with hygros

See how monofilament braid embedding eliminates whiskering and fuzz damage in hollow fiber memb

A bonded polar protic solvent helps PEO copolymer membranes maintain water-vapor permeability across temperatures for ERV use.

See how integrating heat pipes within membrane distillation modules recovers latent heat intern

See how staged compression, membrane separation, and turbo expansion recover N2 and hydrocarbon

See how a selective layer blending sulfonated polyaryletherketone and cellulose acetate achieve

See how radiation-initiated grafting of 4-acryloylmorpholine onto fluoroplastic surfaces improv

See how segmented plate design with rigid peripheral sealing and flexible flow field portions r

See how a porous carbon support with high carbonization degree (Rs ≤ 1.0) minimizes hygroscopic

A coiled duct uses centrifugal force to separate enclosure air by molecular weight, replacing consumable chemicals for continuous CO₂ removal.

See how paired hollow fiber membrane contactors with ionic liquid absorbents remove CO2 in clos

See how nitrene insertion into C-H bonds achieves permanent polyolefin surface modification wit

See how a laminated air-permeable sheet with vapor-selective film and corrugation pattern impro

See how multi-functional carboxylic acid crosslinking reduces cellulose swelling, stabilizes po

See how hyperbaric curing in oxygen-deficient gas enables thin, uniform polymer coatings with w

See how a water-soluble intermediary coating enables uniform polymer infiltration through tubul

See how a flow governor assembly with perforated discs transforms turbulent solvent surges into

See how a copolymer-grafted nonwoven substrate removes host cell proteins and DNA fragments at

See how low-power plasma polymerization of short-chain fluorinated acrylates achieves uniform,

See how graduated channel cross-sections and barrier walls reduce pressure deviation and achiev

See how cap projections convert laminar to turbulent flow, distributing moisture uniformly acro

See how a cross-linked hydrophilic coating on nanofiber membranes maintains high water flux and

See how a composite membrane using porous carbon fiber substrate with organic polymer coating a

See how a heating core with temperature sensor and heat shield tube maintains uniform braid tem

See how a dense layer with sub-0.1 µm voids and a graded support layer resolve the trade-off be

See how atmospheric plasma creates concavo-convex grooves and nanoscale protrusions on polymer

Thermal diffusion creates concentrated and dilute saline streams for controlled mixing, enabling power or hydrogen generation without natural salinity gradients.

Aprotic-solvent dissolution enables ion exchange membranes to be recast at lower temperatures, cutting energy use, defects, and safety risks.

A hybrid inorganic-organic membrane enables room-temperature lithium electrodeposition with lower energy use and reduced dendrite growth.

A porous support filled with uniformly crosslinked anion-exchange polymer lowers sheet resistance while maintaining ion capacity and acid-alkali resistance.

A two-stage sulfonated polyarylenesulfone route raises membrane conductivity while shortening reaction time and easing polymer isolation.

A LiOH-activated extractant and electrodialysis recover Mn, Co, Ni, and Li from spent battery salt solution while cutting salt waste.

A self-precipitating sulfonated polyarylenesulfone membrane process improves proton conductivity, limits swelling, and cuts solvent use.

A low-hygroscopicity inner case material helps fuel cell humidifiers resist heat and hydrolysis while maintaining dimensional stability.

Branched polyphenylene membranes with quinuclidinium side chains avoid ether-backbone hydroxide attack while improving conductivity and durability.

Blending two UHMWPE resins with different molecular weights enables thinner wet-process battery separators with stronger puncture resistance and porosity.

Ion-exchange membranes move salt from seawater to treated wastewater, cutting desalination energy use and avoiding brine discharge.

A staged purification route combines distillation, resin, or reverse osmosis with electrodeionization to deliver high-purity hydrogen peroxide for semiconductor cleaning.

Adhesive-filled recesses in segmented sealing frames cut humidifier membrane stack assembly time while maintaining airtight air separation.

Multiple filters, bypass lines, and sensors reroute electrochemical feed fluid to remove ions and contaminants while extending filter life.

A porous membrane gas-liquid separator removes bubbles before nebulization, cutting ICPMS and ICPOES signal noise and pressure loss.

Electromembrane conversion regenerates lithium hydroxide from sulfate byproduct streams, cutting chemical use and production cost in metal hydroxide processing.

Cross-linked PEG and quaternized polymer phases raise anion conductivity while limiting swelling and alkaline degradation in AEMs.

An electric-field nanoporous membrane separates battery metals from mixed solutions with less contamination, lower cost, and acid recycling.

Diluted fuel is stored for safer handling, then concentrated on board to deliver high energy density for vehicle propulsion.

Acid-base crosslinked polyelectrolytes create ion pathways that keep proton conductivity high while blocking vanadium crossover in flow batteries.

Uniform ceramic pores and a chemical-resistant coating improve particle capture and allow acid or alkali cleaning in semiconductor filtration.

An enclosure creates a sealing gap that protects the humidifier membrane from compression damage while maintaining water exchange and seal integrity.

Multi-stage filtration and low-Fe/Ca treatment suppress trace metals and particles, helping produce ultra-pure semiconductor chemicals.

Controlled biaxial stretching with machine-direction relax turns slit pores into round pores and improves transverse tensile strength.

Alternating spacer heights in a stacked membrane humidifier improve moisture transfer, drain condensate, and cut pressure loss.

Metal-compound grafting expands fluoropolymer choice beyond hydroxyl groups while producing hybrid membranes with better strength and flexibility.

Variable-width cartridge openings spread gas flow more evenly across hollow fibers, reducing breakage while improving humidification and durability.

A bicontinuous PP graft copolymer membrane enables sterilizable nanopores with higher aqueous flux and tunable pore size than polyolefin membranes.

An electric-field nanoporous membrane separates lithium and other battery metals from leachate while reducing contamination, cost, and solvent use.

Selective hydrogen membranes vent gas from aging cells and enable sensor-based early warning of anomalies before thermal runaway.

Radial protrusions lock semipermeable layers into profile recesses, replacing glue or foam sealing to simplify humidifier stack assembly.

A catalytic polymer layer between anion- and cation-exchange layers speeds water dissociation at low bias, cutting overpotential under moderate pH conditions.

A circumferential membrane seal forms flow channels by compression, avoiding weak frame joints under thermal and mechanical loads.

A silica-based ceramic coating with covalently bound quaternary ammonium groups cuts membrane swelling while preserving chloride conductivity.

A biaxially oriented UHMWPE separator closes pores within seconds to curb thermal runaway while retaining mechanical strength in lithium-ion batteries.

Detachable adapters and a separate bypass pipe improve humidifier airtightness while simplifying hollow fiber cartridge assembly and replacement.

Mechanical end-cap sealing with a bracket, packing member, and primer layer prevents fuel cell humidifier leaks without sealant curing.

Magnetically aligned 1D composites create ion paths through membrane thickness, boosting conductivity and electrochemical device power.

A microporous polymer scaffold cuts hydrogen permeance while preserving proton conductance, enabling thinner, stronger fuel-cell membranes.

Integrated filter media inside a fuel-cell membrane humidifier captures NOx, SOx, and NH3 during humidification to protect stack performance.

A temporary winding core is removed after helix formation, cutting humidifier bundle weight while preserving fiber pattern and flow uniformity.

An elastic compression element absorbs thermal length changes in a fuel cell membrane stack to protect adhesive seals and prevent air mixing.

A longitudinally inserted membrane stack and integrated sealing layout simplify humidifier assembly while reducing pressure loss between cathode air streams.

Controlled biaxial dry stretching forms round pores and improves transverse tensile strength in microporous membranes.

A closed-loop halogen-free solvent process extracts plasticizer from polyolefin membranes while reducing chlorinated solvent exposure and waste.

A hydrophilic active layer with superhydrophilic agents improves water separation while reducing fouling, scaling, and maintenance costs.

A dual-UHMWPE blend and wet oil-extraction process enables thinner battery separator membranes with controlled porosity and higher puncture strength.

Sequential UHMWPE membrane and resin-layer filtration removes impurities and particles to improve chemical liquid purity for semiconductor processing.

A molecular imprinting TiO2 coating on a ceramic micro-filtration membrane enables selective adsorption and electrochemical degradation of refractory organics.

Offset gap interfaces from radial edge misalignment lower pressure drop and prevent clogging during fine particulate filtration.

Projecting portions on a filtration plate deflect high-pressure cleaning liquid, preventing direct impact and membrane peeling during maintenance.

A hollow fiber membrane module separates water vapor from heated feed solutions under partial vacuum conditions.

Recycling retentate through milling and membrane filtration reduces particle size distribution span below 2.0, resolving batch-to-batch reproducibility issues.

An electric field controls ionic current through a bipolar membrane to adjust drug release amounts and periods based on patient conditions.

Acrylate monomer mixtures resolve low resolution and long cure times in 3D-printed anion exchange membranes for fuel cells.

Titania bonds aggregate particles in an intermediate layer, maintaining internal pressure breaking strength under high temperature alkali conditions.

A porous asymmetric membrane uses a water-miscible polar aprotic solvent to selectively deposit polymer additives on the selective surface.

Porous membrane structures replace resin beds to reduce pressure drop while maintaining high flow rates and binding capacity.

Asymmetric polyimide hollow fiber membranes resolve the selectivity-permeance trade-off through a composite structure with a porous support layer.

Intermingled carbon nanotubes reinforce thin fluoropolymer films, maintaining permeance while preventing strength loss from reduced thickness.

Direct quaternary amination eliminates carcinogenic chloromethyl ether while maintaining high current efficiency.

A hollow fiber filter retains an adsorbent to bind target blood components during continuous plasma recirculation.

Controlled interlayer spacing prevents membrane swelling in water, maintaining high ion selectivity and mechanical stability during desalination.

Ionic liquid processing forms thin dense layers that boost flux to 700 L/m²h while maintaining 99.7% oil rejection.

Graphene oxide disrupts polymer packing to boost CO2 solubility while ionic liquid carriers facilitate transport for high flux.

A hollow fiber membrane with a dense sponge surface and finger-like internal structure enhances water permeability.

A polydimethylsiloxane membrane with a thickness of 1 µm or less selectively permeates minor gas components from mixed gases.

Two-way circulation separates fresh water from strong brine, enabling efficient salt crystallization and bromine extraction while eliminating pollution.

Discontinuous porous MABR media supports AOB and anammox bacteria while suppressing NOB competition in municipal wastewater treatment.

Embedding sensors in the air separation module shell improves measurement accuracy by eliminating downstream drift while maintaining device complexity.

Mixed solvents with different solubility parameters adjust pore structure in the polysulfone layer, improving permeation flux while maintaining salt rejection.

Recessed flat portions distribute pressure evenly across the tube sheet, preventing deformation and breakage under high operating pressures.

A platelet filtration membrane uses a thermal-responsive copolymer layer to capture and release blood components at specific temperatures.

Two-stage drying system removes residual heavy oil from spent slurry catalyst particles for metal recovery.

Polysilsesquioxane copolymer achieves rapid self-healing via intrachain Diels-Alder reactions, resolving nanoscale uniformity issues from blended components.

UV irradiation breaks down extractable polyvinylpyrrolidone chains to reduce leaching and maintain membrane stability during steam sterilization.

Adjustable filtration assembly performs on-site water quality testing using controlled pressure regulation and integrated filter membranes.

Hollow fiber membrane separates oxygen from bleed air to produce nitrogen enriched gas, reducing combustion risk in aircraft fuel tanks.

Branched aryl-ether-free polyaromatic polymers resolve the trade-off between ion exchange capacity and excessive water uptake in anion exchange membranes.

Thermal crosslinking of PIMs under controlled oxygen yields membranes that overcome the trade-off between gas permeability and mechanical stability.

An insulated elongate conduit enables direct ice crystal formation from saline water, eliminating scraped surface heat exchangers and reducing capital costs.

A membrane module filters microbial culture solutions using cross-flow separation to maintain stable permeate quality.

Glass seals containing dispersed ceramic particles match thermal expansion coefficients to prevent cracking in high temperature conditions.

Aramid-derived carbon molecular sieve membranes separate hydrogen from carbon dioxide mixtures.

Retaining structure directing agents within zeolite Y membranes resolves the trade-off between membrane purity and CO2/N2 separation selectivity.

Fluorosilicone membrane disks extract dissolved gases from transformer oil through selective permeation.

Parallel ATF filters prevent cell loss during malfunction by redirecting media flow to operable units.

A conductive polymer and carbon nanotube composite membrane enhances surface charge density through electrical assistance.

Nitrogen and phosphorus doped carbon supports anchor platinum nanoparticles, preventing agglomeration and corrosion to improve PEMFC durability.

Self-organized chemical etching creates ultrathin porous membranes that reduce flow resistance while maintaining mechanical stability.

Segmented threaded connections reduce manufacturing time while a spring-loaded pressing plate maintains sealing integrity under reverse pressure.

A facilitated transport membrane uses silver nitrate complexing agents within a polyvinyl alcohol and sodium alginate matrix to selectively bind aromatics.

Counterflow membrane modules equalize partial pressure gradients to capture low-concentration hydrocarbons during diurnal breathing loss.