Membranes TRIZ Cases

Annular portions and depressions anchor the outer shell to prevent rotation, protecting the membrane from structural collapse.

Thermally conductive material in the gap reduces transport resistance and sensible heat loss, improving water flux and energy efficiency.

Ultrathin parylene C membranes resolve nutrient permeability versus mechanical strength trade-offs through spatially interspersed thickness variations.

Segmented casing construction resolves impact resistance trade-offs while dynamic lid orientation enables stable transverse refrigerator storage.

Centrifugal potting dispersion creates a circular flow path through fiber assemblies, eliminating gaps that reduce extracorporeal blood conditioning efficiency.

Inductively coupled antennas replace complex cabling to maintain signal integrity for real-time monitoring of fluid conditions and filter elements.

Polyaniline filtration membranes separate micrometer particles via selective permeability, resolving reliability and manufacturing complexity trade-offs.

An asymmetrical dense layer in a cellulose triacetate hollow fiber membrane boosts water permeability while maintaining salt rejection.

Mixed conducting ceramic membranes separate oxygen while thermal compression generates superatmospheric pressure without mechanical equipment.

Segmented pore structure in hydrophobic membranes maintains mechanical stability while preventing liquid water breakthrough under pressure.

A layer-by-layer approach deposits charged polymer and nanosheet layers to create precise pore structures.

Dual coagulation bath phase separation creates hydrophobic MWCNTs/PVDF membranes that resist fouling and scaling while maintaining high salt rejection.

A microporous polymer separator with Gurley air permeability under 4 seconds per mL.

A tubular separation membrane module uses a backpressure chamber to balance fluid pressure across the housing.

Outer surface pores enable anesthetic gas permeation while the dense inner structure maintains long plasma duration, reducing surgical costs and health risks.

Chemical bonding between amphoteric ionic copolymer and polyamide active layer prevents fouling material adsorption while maintaining permeation flux.

A semipermeable membrane module uses a second feed stream to lower hydrostatic pressure requirements for water purification.

A gas separation membrane uses a fluororesin thin film on a porous support to achieve high oxygen permeation rates.

Open pores in a metallic separator remove dissolved oxygen from fuel, preventing coke formation and eliminating the need for additional structural support.

Ultrasonic spray deposition of palladium colloids onto porous substrates forms dense thin films, replacing costly sputtering processes.

Gradient pore distribution resolves compression resistance and absorption trade-offs, improving battery cycle properties.

A feed spacer uses variable strand crossing angles to expand flow path cross-sectional area and improve water permeation efficiency.

Secondary reaction detects breakthrough ions from non-particulate adsorbents, resolving low sensitivity in defect identification.

Stacked bonded filtration units with dual permeate pathways reduce pressure drop and eliminate separate housings.

Selective pore deposition of catalyst particles resolves the trade-off between pressure loss and collection efficiency in gasoline filters.

A pivotable top cover with a retaining portion and spiral protrusion simplifies filter assembly removal.

End-mounted permeate outlets on subsea filter-boxes allow compact longitudinal vessel stacking, reducing space requirements and costs for desalination modules.

A microporous polyolefin membrane uses controlled polypropylene molecular weight to achieve high meltdown temperatures.

Segmented fiber bundles in a single housing enable midsize molecule clearance without extra equipment.

A filtration treatment system uses a bromine-based oxidizing agent to inhibit slime generation on reverse osmosis membranes.

Optimized spiral membrane modules reduce fouling in high organic streams by adjusting feed channel height and wrap angle to maintain operational efficiency.

Partially cascading cross-current reverse osmosis stages reduce osmotic pressure differentials to enable efficient liquid purification.

A membrane filtration system purifies human milk oligosaccharides from fermentation broth using ultrafiltration and nanofiltration.

Sterile filtration and forward osmosis stages separate microorganisms and water from liquid manure, reducing transport volume and greenhouse gas emissions.

A porous membrane assembly uses a non-continuous gas-affinity material layer to separate gases at room temperature.

A monolithic ceramic membrane filter with a slit and specific pore size separates fermented liquid.

Sulfur crosslinks polyphenylene oxide dope to prevent melting during infusibilization, preserving hollow fiber shape and gas separation performance.

Airfoil-shaped micro-mixers increase fluid scouring on membrane surfaces, reducing organic and inorganic fouling while maintaining low pressure drop.

Vibrations increase packing density while movable molds adapt to varying diameters, reducing mechanical stress on individual threads.

Interwoven nanofiber membranes resolve low porosity trade-offs in gravity-driven filtration, enabling high throughput and disinfection without electricity.

A reverse osmosis tank with two adjacent variable volume chambers stores treated water without pressurized air.

Segmenting separation stages reduces bio-fouling while maintaining high efficiency in underwater drilling operations.

A polycationic and zwitterionic mixture coats the blood-facing surface of an acrylonitrile-based semipermeable membrane.

Removing the hydraulic drive prevents fluid expansion during autoclaving while springs maintain clamping pressure.

A reverse osmosis membrane concentrates water-soluble organic peroxides through pressure-driven filtration.

Permeate recirculation loops sustain low impurity concentrations, eliminating regular bleeds and increasing phosphate yield.

A filter medium uses a nanofiber web and buffer layer to secure flow paths during water treatment.

Amphoteric and cationic polymers reduce membrane fouling by coagulating colloidal material, maintaining higher flux rates.