Membranes TRIZ Cases

Pyrolyzing ethylenically unsaturated polyester coatings creates carbon membranes that overcome brittleness and chemical resistance limits.

Longitudinal indentation compresses microporous coating to prevent lateral feed water migration through glue bonds under high pressure.

Recycles permeate from final reverse osmosis stages back to preceding units, reducing pressure gradients across membranes and lowering power consumption.

A thermo-induced stimuli-responsive membrane captures leukocytes via temperature-dependent copolymer conformational changes.

Solvent extraction removes contaminants from tobacco raw material while backfilling preserves original structure.

A multistage membrane cascade recycles permeate counter-currently to reduce specific energy consumption in reverse osmosis desalination.

Crosslinked ion exchange resin prevents membrane swelling and deformation in electrodialysis systems, maintaining desalination efficiency.

Brominated DPPPO membranes resolve crystallinity limits by adding silica nanoparticles to boost CO2 permeability while maintaining selectivity.

A blood flow filter uses a pressure adjustment device to regulate dynamic pressure within hollow fiber bundles for plasma separation.

Zeolite-filled hydrophilic barrier on nanofibrous scaffold boosts separation factor and flux, lowering energy consumption in ethanol dehydration.

A redox flow electrochemical system separates solvents from solutes using ion exchange membranes and reversible redox reactions.

Reverse osmosis concentrates low-silica geothermal fluid, enabling precipitation that prevents scaling while producing marketable silica.

A composite membrane integrates a macroporous gel into a support structure to capture biomolecules from fluid streams.

Cross-linking a polymer to graphene oxide resolves mechanical instability and low selectivity in thin membranes.

Heteroatoms at graphene nanowindow rims induce electrostatic fields to enable selective molecular permeation.

Segmented palladium alloy membrane unit allows rapid capillary replacement without compromising device airtightness during hydrogen purification maintenance.

Segmented tubesheets with compliance joints absorb thermal stress to prevent cracking in gas separation modules, extending service life.

Localized asymmetries in the microporous membrane structure prevent fouling accumulation, maintaining stable flux where symmetric designs fail.

Common permeate pump delivers microfiltration or ultrafiltration flux directly to reverse osmosis inlet pressure.

Fluoropolymer hybrid composites form covalent bonds between organic and inorganic phases via hydroxyl group reactions with metal compounds.

Patterned inorganic hierarchical porous membranes reduce fouling and maintain filtration efficiency by combining size exclusion with controlled flow paths.

A microfluidic dialysis device uses stacked semi-permeable membranes to enable efficient mass transfer and heat exchange.

An asymmetric porous structure with varying pore diameters balances water-proofness and air-permeability while maintaining sound transmittance.

A filter cartridge container uses a dynamic drain valve to accommodate ion exchange and reverse osmosis cartridges within a single housing structure.

Replacing solar photocatalysis with electric current, the electrocatalytic membrane oxidizes organics to maintain flux without secondary pollution.

Single-pass tangential flow filtration in a microfluidic device concentrates polynucleotides while exchanging buffers to reduce contamination risks.

Replacing complex nanotube structures with scalable 2D material membranes increases power density while reducing manufacturing costs.

Intermediary polymer foil seals welding seams on flexible containers, resolving leakage risks while maintaining lightweight portability for gravity filtration.

A reverse osmosis membrane uses a dynamic carbon film to separate sodium chloride from aqueous solutions under high pressure.

Porous graphitic foam with superhydrophobic coating boosts water production rates while maintaining high salt rejection.

Adding macromolecules to protein solutions enhances nanofilter sieving for infective particle retention.

A flexible electrocatalytic membrane combines aramid nanofibers and MXene nanosheets to remove nitrate from water.

Hybrid ion-exchange and size-selective membranes remove salts from fluid streams while retaining larger molecules.

Sub-ambient reaction with a solid acid shifts equilibrium toward products, while pervaporation removes water to simplify purification and cut CO2 emissions.

Header groove averages suction pressure across membrane cartridge to balance permeated liquid amounts when one surface is blocked.

Radial flow through a segmented fiber bundle reduces pressure drop while removing oxygen from fuel, preventing carbonaceous deposits in gas turbines.

Reticulated surface porosity on the tight side prevents premature clogging in serum and plasma streams while maintaining high flux rates.

Cationic coagulants coagulate and flocculate contaminants in water before microfiltration, reducing fouling and extending cleaning intervals.

Concentric bypass pipe reduces differential pressure across the membrane to improve fluid flow rate into the separation unit.

Bonding a planar spacer to a multi-well plate compensates for molding imperfections, ensuring filter planarity and reducing sample contamination.

A cermet protective layer coats hydrogen separation membranes to block particulate contaminants while maintaining high permeability.

A graphene and ceramic membrane system separates hydrogen isotopes using electrochemical driving forces at elevated temperatures.

A micro-structured surface traps a wetting liquid phase in its pores to maintain tailored wetting properties across varying conditions.

An annular air cushion mediates pressure application in a filter plunger, preventing red blood cell bursting and ensuring reproducible plasma purity.

Segmented membrane trains allow isolated maintenance without halting production, resolving the trade-off between throughput and operational flexibility.

A support device acquires water quality data to output optimized permeation flux values for membrane filtration systems.

Embedded polymer optical fibers detect membrane deposits through refractive index shifts, reducing cleaning solution consumption and downtime.

Series-connected membrane distillation modules with intermediary heating maintain high temperature gradients, increasing water recovery by up to 95.2%.

Porous supports allow high-tension winding and delamination, removing resistance in forward osmosis while boosting throughput.