Membranes TRIZ Cases

A liquid filtration structure uses aquaporin proteins fixed within a porous support to achieve selective water permeability.

Interference fit seals compressible PTFE membranes using a hollow mandrel and tube sheet, eliminating adhesive contamination.

A non-woven support film protects fragile active layers from mechanical stress, eliminating surface defects while maintaining production capacity.

A hydrophilic hollow-fiber membrane uses an asymmetric pore structure to achieve high water permeability.

Liquid-based heat dissipation replaces forced air convection in beverage dispensers, eliminating fan noise and filter maintenance.

Hydrophilic polymer anchors metal cations in asymmetric skin layer to resolve chemical stability deterioration during olefin separation.

A forward osmosis draw solution uses specific cation and anion sources to maintain high water permeation rates through a semi-permeable membrane.

Layered fiber webs use fibrillated synthetic fibers and glass layers to increase dust holding capacity while reducing pressure drop.

Segmented distribution pipes in a sheet-shaped hollow fiber membrane module reduce pressure loss while maintaining high separation efficiency.

Prefiltration removes surfactant aggregates, reducing carbonyl impurities and extending shelf-life.

A co-polymer membrane links polyaryl ether sulfone and polyvinyl pyrrolidone segments via a specific chemical group to ensure high molecular weight.

A self-supporting composite nanofiltration membrane uses amino graphene quantum dots and in-situ polyamide encapsulation for high permeation flux.

ABA molecules self-assemble into robust membranes that withstand large potential differences and resist degradation from detergents.

Pressure sensors and a variable speed pump balance flow rates to prevent membrane damage from pressure differences.

A ceramic membrane module uses a drive plate assembly to compress sealing pads against capillary ends.

A method creates microporous semicrystalline polymer films through phase separation and controlled stretching.

A drainless reverse osmosis system recycles retentate into a hot water circuit to conserve water.

An aqueous two-phase nanofilter separates nanoparticles by size using interfacial tension and diffusion mechanisms.

Shield plates in the end member create radial flow to prevent suspended solid deposition and maintain constant pressure loss.

A composite semipermeable membrane uses a substrate with varying bulk density to control porous support infiltration.

Submerged gamma irradiation inactivates seawater microorganisms without chemical residues, eliminating equipment deterioration and maintenance burdens.

Series filters remove microgel and inorganic particles to resolve insufficient defect inhibition performance in semiconductor lithography.

A porous filter perturbs cell membranes to deliver payloads, maintaining viability during high-throughput processing.

A hollow fiber carbon molecular sieve membrane achieves selective separation of olefins from paraffins through controlled porous structures.

Internal channels in end plates eliminate exposed conduits, preventing leaks and damage while enabling modular maintenance access.

Segmented stacking units with moisture-permeable membranes transfer humidity to prevent membrane drying at high operating temperatures.

A bipolar electrodialysis device with three cells converts sour whey into sweet whey while concentrating lactic acid in a rinsing solution.

A dividing wall column paired with a facilitated transport membrane unit produces polymer grade propylene from liquefied petroleum gas streams.

Multi-layer co-polyimide membranes separate CO2 and H2S from natural gas streams while resisting plasticization under high pressure.

A crossflow beer filtration module uses a valve arrangement to reverse unfiltrate flow direction through membrane modules.

Phase-separable glass particles distribute copper antimicrobial agents within a polysulfone matrix to create durable composite surfaces.

Slanted partition membranes create diagonal cross-flow paths that discharge concentrated raw water efficiently, reducing maintenance costs.

A pistonless energy exchange chamber pressurizes intake seawater using concentrated brine pressure through partitioned fluid passages.

A pseudo-batch ultrafiltration system recirculates retentate to maintain constant volume ratios during protein concentration.

A carbon membrane formed by carbonizing a phenol resin with controlled atomic groups maintains high selectivity during industrial separation.

A biomolecule filter uses a matrix structure with window cells containing micro-holes to separate target substances from fluid samples.

A variable displacement pump adjusts feed stream speed to control reverse osmosis yield without bypass valves.

A porous polymeric membrane features a tear-resistant boundary region surrounding the pore area to prevent structural damage during handling.

A lithium hydroxide production method using pH-regulated precipitation to remove impurities before selective ion recovery through a Li-selective membrane.

Interfacial polymerization with carbon nitride modifies the polyamide layer, boosting water flux and boron rejection for seawater desalination.

A nanoporous membrane structure integrates stabilized enzymes within a liquid transport medium to accelerate gas permeation rates.

A crosslinked polysaccharide membrane structure enables high gas permeability through controlled free volume.

A CHA-DDR zeolite membrane separates carbon dioxide through a two-layer structure.

Hydrolyzed alkoxysilyl groups form siloxane bonds in the crown ether structure, maintaining ion selectivity during repeated use.

Gas diffusers discharge bubbles to scour excess biofilm from hollow fiber membranes, preventing clogging and maintaining membrane efficiency.

Segmented nanoporous and microporous layers boost flux fourfold while maintaining selectivity for trace water removal from sub-micron oil droplets.

Segmented ion-conducting membranes distribute water flow across parallel streams to enhance desalination efficiency in high salinity applications.

Ladder-structured polysilsesquioxane prevents polymer chain relaxation and pore collapse during pyrolysis, ensuring high gas flux and selectivity.