Membranes TRIZ Cases

Replacing sodium hydroxide with an organic structure directing agent prevents equipment corrosion while maintaining synthesis feasibility.

A hybrid liquid filter structure combines a porous supporting layer with lipid bilayers containing membrane proteins to enable selective water transport.

A separation membrane manufacturing method uses an intermediate layer adhesive strength ratio to facilitate release liner removal.

Alternating dense and porous portions balance water permeability with mechanical strength.

UV cross-linking rigid rod polyimides boosts CO2/CH4 selectivity to 35 while maintaining permeability above 20 Barrers.

A multi-channel pump head delivers simultaneously controlled diafiltration fluid flow rates to separate treatment modules.

Flanges with conduits form seals between compartments, resolving leakage and cleaning difficulties in multi-compartment configurations.

A two-stage membrane gas separation process heats the first retentate stream before it enters the second stage to boost permeability and purity.

Electrodialysis combined with activated carbon treatment removes impurities to achieve high purity while reducing production costs.

Ionizing radiation stabilizes polyvinyl pyrrolidone networks to prevent hydrogen peroxide decomposition and elution during hemodialysis.

A graphene oxide membrane concentrates black liquor by removing lignin and pulping chemicals through size-based filtration.

Amine functionalized graphene bonds to anhydride polymers, creating a single-layer composite that resists biofouling and boosts pure water flux.

Vertical reciprocation removes contaminants via inertial forces, reducing energy consumption compared to traditional air refining methods.

A pressure transducer measures intra-membrane pressure decay to assess biofilm thickness in membrane supported reactors.

Liquid-phase operation minimizes Joule-Thomson temperature drops, reducing capital costs while maintaining high selectivity.

Monovalent salt preservation maintains water permeability in high-temperature storage, eliminating refrigeration costs while protecting membrane structure.

A polyamide porous membrane utilizes a specific gamma crystal ratio to achieve high liquid permeability.

Planar ligand-functionalized substrates replace conventional columns to eliminate channeling and boost throughput while maintaining separation efficiency.

Interfacial initiation of polymerization builds a poly(epoxy)ether top layer on porous supports.

Plasma treatment creates internal voids in a cellulose ester membrane, resolving the trade-off between high tensile strength and water permeation.

Cyclodextrin inclusion complexes maintain solubility during tangential flow filtration of antibody-drug conjugates.

Sintered ceramic particles on a porous metal support prevent delamination while enabling high area packing density.

Structured organic films with varying segment ratios create tunable porosity gradients across the membrane thickness.

A liquid composition containing cerium and manganese ions creates a cation-exchange polymer membrane for fuel cell applications.

Heat treating mixed fluorine polymers creates 2.96 to 4.00 nm ion clusters, lowering electric resistance while maintaining mechanical strength.

An ionic liquid draw solution drives water flux through a semi-permeable membrane via high osmotic pressure.

Low oxygen silicon carbide membrane filter increases flow rates and reduces energy consumption by optimizing pore structure.

Mixed cation and anion exchange resins fill widened flow channels, boosting deionization efficiency and water throughput while reducing fouling.

Covalent bonding between graphene oxide and polyethyleneimine on a ceramic substrate resolves mechanical instability in extreme environments.

A bicontinuous intraphase jammed emulsion gel forms via spinodal decomposition of a nanoparticle suspension.

A polyethersulfone hollow fiber membrane incorporates specific molecular weight PVP blends to enhance diffusive permeability.

A method for purifying immunoglobulins from plasma by mixing the sample with medium chain fatty acids to selectively precipitate albumin.

Electrodialysis reduces electrolytes in spent dialysate while forward osmosis concentrates the fluid to recover water for reuse.

An acoustically enhanced membrane system uses vibrating microstructures to generate localized fluid streaming near the separation surface.

Segmenting layers by vinyl concentration resolves the trade-off between shutdown reliability and mechanical strength in battery separators.

Nanoscale injection molding bonds polymeric features to porous membranes, eliminating spacer-induced surface blockage and lamination defects.

Heating coated porous supports in water vaporizes the solvent, preventing pin holes and cracks while maintaining separation accuracy.

Merging parallel membranes into one integrated module reduces apparatus complexity and assembly steps while preventing gas leakage at connection interfaces.

A gas separation membrane module assembly uses an internal permeate collection system to gather gas from parallel tubes within a single housing.

A forward osmosis membrane uses a hydrophilic carbon nanotube support layer to prevent selective layer penetration.

A measurement apparatus calculates membrane net charge density using mechanical pressure difference and volumetric flow rate equilibrium.

Continuous slurry circulation in movable reactors eliminates batch processing, boosting production efficiency while maintaining process simplicity.

A multilayer mixed matrix membrane combines hydrophobic and hydrophilic layers to boost permeate flux in membrane distillation.

A degassing module and gas exchange module connected in series remove toxic gases via permeation, enriching methane content above 98% without high pressure.

Lateral crosslinking resolves the trade-off between reduced thickness and mechanical instability in nanometer-scale membranes.

Non-crystalline nickel-zirconium alloy membrane with aluminum and niobium.

A hydrophobic hollow fiber membrane with isotropic micropores enables high water vapor flux.

Direct deposition of spacer features on the membrane sheet eliminates separate feed spacers, reducing flow restriction and fouling.

PVP-K90 additives reinforce isoporous block copolymer films, reducing flux decline by 70% and maintaining selectivity under high pressure.