Membranes TRIZ Cases

Patterned membrane features increase fluid shearing to reduce hydraulic resistance and biofouling caused by feed channel spacers.

Internal flow distributors in a hollow fibre membrane module improve fluid distribution uniformity while maintaining acceptable pressure drops.

A supercritical carbon dioxide extraction system processes industrial hemp biomass to yield purified organic streams.

Segmented manifold channels transport blood at varying wall shear rates to maintain fluid health.

Ion beam deposition seals pores without mechanical damage, resolving contamination trade-offs while maintaining manufacturing simplicity.

DNA mediates boron nitride nanotube purification and alignment, resolving the trade-off between scalable production and high purity.

A single-pass tangential flow filtration system uses staged channels to achieve high reliable flux and conversion rates.

Iodide ions convert harmful chlorine oxidants into safer iodine species, protecting reverse osmosis membranes from degradation while controlling biofouling.

A vacuum filter device uses a compression sealing element to retain the filter and maintain liquid-tight seals between holders.

Hierarchical pore structures separate viruses from fluid streams, resolving the trade-off between filtration precision and pressure drop.

A perforated plate snap-fits into an air separation module canister to provide radial support for the internal separator structure.

Nanofiltration membranes remove dissolved salts and organics from seawater, protecting catalyst beds from fouling and extending operational life.

A pre-filtration station with a vibrating sieve removes large solid particles before tangential filtration, reducing blockages and maintenance time.

ALD applies thin metal coatings to polymer membranes, resolving the trade-off between mechanical stability and filtration porosity.

Chlorinated polyolefin strengthens the membrane interface to prevent peeling during high-temperature electrodialysis without increasing bipolar voltage.

A statistical copolymer solution coats a porous support layer to form a thin film composite membrane.

Channelled intermediate layers replace spacers to reduce ohmic resistance and pressure drop in electrodialysis devices.

Composite silica-filled membranes separate oil and water without large settling tanks or heating, reducing offshore space requirements.

One-step hydrothermal synthesis of mesoporous pentasil zeolites using tetra(n-butyl)phosphonium cations as structure-directing agents.

Concentrate compartment pressurization prevents osmotic water transfer in electrodialysis desalination systems.

Epoxy amine polymeric membrane maintains high selectivity and flux in ethanol environments, resolving stability issues.

A longitudinal zeolite membrane complex uses hydrothermal synthesis rotation to form a uniform crystalline layer on the support structure.

Cellulose nanofibers in the polyamide matrix reduce environmental load and maintain stable water flux during reverse osmosis desalination.

Segmented feed spacers with variable heights reduce water wastage by optimizing pressure drop and residence time in reverse osmosis systems.

Electrostatic nanoparticle binding reduces water-swelling in graphene oxide membranes, maintaining hydrogen permeance under humid conditions.

Crosslinked siloxane hybrid membranes separate C3+ hydrocarbons from natural gas streams using polyhedral oligomeric silsesquioxane nanofillers.

A dialyser integrity monitoring method uses pressure decay analysis to detect membrane defects before blood treatment begins.

Inclined channel surfaces direct foulants away from the membrane, lowering energy consumption while increasing critical flux.

Gas flow evaporation on the permeate side of a porous membrane achieves protein concentrations exceeding 260 grams per liter, bypassing gel-point constraints.

A gas diffusion membrane apparatus facilitates acid gas diffusion to convert non-polar switchable polarity materials into polar forms.

Seamless membrane bags integrate permeate channels directly into the filtration structure.

Variable flow resistance in the segmented feed spacer prevents salt scaling during high recovery operation.

A polyurethane-modified membrane supports adherent cell attachment and expansion without pre-treatment.

Sacrificial nanopillars template precise pore size and density in graphene membranes, resolving random distribution from etching.

Heat removal of amorphous carbon and alkylphosphonic acid densification resolve fouling bottlenecks in carbon nanotube filtration membranes.

A staged electrochemical separation system uses ion exchange membranes with distinct performance characteristics in each module to treat water.

Ultrafiltration and nanofiltration concentrate lactose in whey permeate, enabling scalable enzymatic synthesis of high-yield galacto-oligosaccharides.

A reverse osmosis membrane cleaning method uses super-saline solution to create backward permeate flow.

A palladium separation membrane integrates a columnar ceramic buffer layer to secure structural adhesion between the porous support and the metal film.

Sealed compartments in a dialysis filter simplify priming by eliminating internal walls, while hollow fibers generate substitution fluid.

Asymmetric hollow fiber membrane achieves high gas flux and selectivity by separating mechanical support from selective permeability.

Alkyl amine-directed beta-zeolite synthesis maintains structural integrity during hydrothermal treatment to preserve low-temperature NOx reduction.

Depressurizing liquid triggers gas outgassing that detaches unfiltrate residues, restoring permeability and eliminating lengthy regeneration downtime.

Inverting flow direction during priming removes over 95% of air behind the membrane, resolving fouling risks caused by incomplete initial wetting.

Long-fiber nonwoven fabric supports eliminate fuzz and nonuniformity from short fibers, ensuring stable operation under high reverse osmotic pressure.

Diafiltration removes phenolic compounds from potato fruit juice, preventing membrane fouling and preserving fiber content.

Non-uniform electric fields generate dielectrophoretic forces to separate ammonia from hydrogen without pressure differences, reducing energy consumption.

Hydrophilic polymer creates a hydration layer that prevents foulant adhesion and maintains permeation rates.

A cellulose hydrate membrane features micropores and ultrapores to boost binding capacity and hydraulic permeability.