Membranes TRIZ Cases

A filtration apparatus uses a flow-through layer with support members to define liquid channels that guide fluid along the membrane surface.

Nano-ZnO arrays grown on anodic aluminum oxide membranes inhibit bacterial reproduction, preventing filter blockage and maintaining air permeability.

Ring opening polymerization of glycidol on aromatic polymers creates block copolymers that impart stable hydrophilicity without pore clogging.

Interrupting purification to flush with a drain liquid mixture destroys polarizing contamination layers, reducing raw water consumption.

A hybrid humidification-dehumidification and pressure-retarded osmosis system recovers exergy from concentrated brine streams.

Rising gas bubbles scrub fiber membranes inside an elongated tubular enclosure, lifting debris to prevent clogging and reduce maintenance downtime.

Controlling drying air dew point and velocity eliminates silica membrane defects while maintaining high permeation flux.

Compression molding fuses electrodialysis membranes with liquid compound to eliminate time-consuming manual gluing steps.

Replacing polysulfone with polyvinylidene fluoride prevents delamination and deterioration in oil-containing liquid desalination systems.

Guide rails align pluggable filter modules to eliminate manual pipe connection, cutting assembly time while maintaining precise alignment.

Pore-filling polymer in porous substrate separates alcohol from gasoline while preventing mechanical swelling.

Amphiphilic block copolymer additive creates a stable hydrophilic surface on polyphenylene ether membranes via phase inversion.

A rigid wall framework holds pleats in a wedge-shaped region, resolving flow restriction issues caused by high-density configurations.

Embedding active layers inside a porous support structure resolves the trade-off between membrane flux and mechanical reliability during thermal cycling.

Replacing air bubbles with tacky solid beads resolves the contradiction between separation efficiency and control complexity.

Patsnap Eureka TRIZ case analyzes how a frit-supported membrane prevents clogging during nanogram molecular weight separation.

An amplitude mask controls heavy ion exposure to produce ordered nanopores, resolving the trade-off between pore aspect ratio and spatial arrangement precision.

Sol-gel crosslinking creates rubbery segments that double propane over methane selectivity while resisting free volume collapse during aging.

An electrodialytic device generates modified buffer solutions by transporting ions across membranes under applied current.

A rotating membrane filtration device uses a suction strip to generate negative pressure for cleaning.

Fluid transfer assembly isolates filtration modules for in situ pin repair using pressurized gas to drain liquids and detect damaged membranes.

A CuO/Cu2O nanorod array photocathode drives photoelectrochemical conversion of carbon dioxide into alcohols using solar energy.

Ladder-type Tröger's base polymers resolve synthesis difficulty by combining W-shaped CANAL and V-shaped building blocks to enhance gas separation performance.

Asymmetric composite membranes resolve the trade-off between protein rejection and flux by using a dense poly(ethenol) skin on a grafted polyolefin support.

Integrated electrodes within a membrane structure generate electric fields to control fluid movement through pores.

Mixotrophic fermentation consumes sugar and fixes CO2 to produce acetone and isopropanol, overcoming low mass yield limits of batch processes.

A multiple tangential flow filtration apparatus uses a single controller to manage parallel stations, reducing experimental variance and development time.

A filtration device connects membrane modules in series and parallel flow channels to reduce cross-flow rates.

Bidirectional gas flow through segmented conduits ensures uniform oxygen distribution, reducing priming volume and shear stress.

A polyimide membrane incorporating a 2-hydroxy-1,1,1,3,3,3-hexafluoroisopropyl group enhances organic solvent solubility for improved formability.

Hydrophilized PVDF hollow fiber membrane uses a controlled porosity gradient to capture viruses while maintaining high filtration flux.

Atomic layer deposition creates ultra-thin porous metal oxide films, resolving the contradiction between manufacturing precision and ease of manufacture.

Quaternary ammonium salt integration into polymeric membranes creates durable antibacterial surfaces through electrostatic bacterial inhibition.

In situ sol-gel synthesis creates functionalized ion exchange particles within a polymeric matrix for fuel cell membranes.

A composite separation membrane integrates graphene oxide, an ionic liquid, and a polymer to form a functional layer for selective gas permeation.

Phase separation creates a thermally stable porous layer on the polyolefin film, resolving production complexity while maintaining high permeability.

Periodic flow reversal of pressurized internal circulation manages concentration gradients to minimize fouling and scaling on the membrane surface.

A catalytic membrane reactor extracts carbon dioxide from seawater using selective permeation and enzymatic conversion.

Crosslinked polyphenylsulfone hollow fiber membranes maintain linear humidity response and prevent polymer segregation at high temperatures.

Ligand vapor-induced in-situ conversion disperses MOF nanoparticles in a polymer matrix to create mixed matrix membranes.

Acidic glucose crosslinks ultra-filtration base membranes into a three-dimensional structure, resolving biofilm formation issues while maintaining high flux.

Osmotic conveyance eliminates pumps by moving seawater into a high-concentration brine reservoir, enabling efficient solar distillation without external power.

A crosslinked copolymer film combines styrene and ammonium heterocyclic monomers to create a robust ionic exchange membrane.

An oleophobic membrane in a filter element allows air to bypass the media, preventing inlet accumulation and maintaining filtration efficiency.

Thermal graft copolymerization creates biocompatible separating materials without toxic organic solvents, enabling safe blood toxin removal.

A disposable valve part and reusable actuator segment the sterile fluid path from mechanical closure forces.

Heated pipes and downward routing in a zeolite membrane dehydration system stop condensed water backflow that damages membrane elements.

Dynamic doctor knife adjustment compensates for 3D textile roughness and tapering, ensuring uniform membrane porosity while reducing raw material waste.