Membranes TRIZ Cases

A polymeric hollow fiber membrane filter medium separates blood plasma from whole blood via size-based filtration.

A lithium hydroxide preparation method using coprecipitation to form lithium aluminum hydrotalcite followed by bipolar membrane electrodialysis.

A gradient porous polysulfone hollow fiber membrane uses controlled fibril thickness to enhance mechanical strength and fractionation performance.

A spiral reverse osmosis membrane element uses a porous non-woven fabric layer to absorb sealing resin up to the skin layer for uniform impregnation.

Flow-straightening and flow-disturbing projections on the case inner wall prevent fluid concentration near inlets, increasing effective membrane area.

Adding monomeric plasticizers and molecular sieves to a polyolefin base increases gas permeability for bacterial growth without excessive water evaporation.

Gravity fills spaces between membranes with liquid resin to create a sealed header, eliminating fugitive laminas and hot thermoplastic injection steps.

A bipolar ion-conductive spacer uses composite coatings to enhance ion exchange rates in electrodialysis systems.

A block-shaped activated carbon filter sintered with basic salt absorbs alkaline salts to increase magnesium concentration in drinking water.

A degasification system uses hollow fiber membrane bundles to remove gas from liquids.

A composite membrane with a crosslinked polyimide resin layer enhances gas permeability and separation selectivity.

A multi-layered particulate filter system reduces water turbidity and silt density index through mechanical separation.

A hydrophobic microporous hollow fiber membrane contactor separates oil from water in mixed liquid streams.

A multistage membrane distillation system integrates a photovoltaic panel and thermoelectric generator to produce clean water.

Segmenting filtration into porous pre-filtration and membrane stages prevents clogging by large solids while capturing submicron contaminants.

Segmented hollow fibers with a spacer-controlled narrow passage block sludge entry, ensuring continuous filtration when individual sheets sustain damage.

Ultrafiltration replaces centrifugation to process larger volumes of OMV-containing supernatant, eliminating time-consuming separation steps.

A coaxial inner tube creates an annular collecting channel within the permeate collection tube to redirect fluid flow.

Segmented supports and releasable connections organize filtration assemblies to reduce handling errors in microbiological testing.

A hemodiafiltration membrane coupled to a vibration element enhances solute clearance through mechanical oscillation.

A pressurizable reservoir diverts feed water upstream of a hyperfiltration membrane module to enable additive injection.

Optimizing pore diameter between 0.5 and 20 μm resolves the trade-off between dust resistance and acoustic permeability in electronic device protection.

A hollow fiber membrane contactor removes dissolved gases from liquids using radial flow through a modular cartridge.

Reed switch coupling detection automates disinfection sequences, preventing biofilm formation in reverse osmosis systems.

Optimized hollow-fiber membranes balance high aeration performance with module compactness while maintaining chemical resistance.

Air amplifier moves hollow fiber membranes onto rotating reels, eliminating manual handling safety risks.

Covalent bonding of hydrophilic compounds to polyamide layers prevents solute adsorption, maintaining flux and reducing cleaning frequency.

Monolithic rigid porous support with helical channels generates internal turbulence to maintain high flow rates in filtration systems.

Concentric fiber bundles combine dehydration and separation stages in a single cylindrical housing to reduce system volume.

A hydrogen permeable tube inside a coaxial support creates a micro-channel that induces turbulent gas flow for efficient separation.

Porous membrane with photothermal particles reduces heat loss and boosts evaporation capacity in seawater desalination.

Segmented block copolymers assemble polymer particles into precise pore structures, reducing solvent consumption during membrane manufacturing.

Concentrating fat-soluble vitamins in specific membrane sections improves antioxidant performance without degrading water permeability or blood compatibility.

Vertical membrane orientation and underdrain design boost recovery rates above 90% while reducing protein binding losses.

A multi-device electrodialysis system routes brine outlet streams to upstream product inlets.

Polyamide nanofiltration membrane with phase transfer catalysts breaks the flux-rejection trade-off in printing dyeing wastewater treatment.

A method fabricates organic polymer thin membranes by irradiating a solution-formed film with plasma or electron beams to induce surface polymerization.

Phosphate stabilizers protect stainless steel reverse osmosis membranes from iron leaching, delivering ultra-pure hydrogen peroxide with low TOC and TN levels.

Covalent bonding of the polyamide layer to the cellulose support eliminates macrovoids, maintaining high flux and rejection performance.

A feed stream separation system splits flow into primary and secondary streams to enable precise biocide dosing control.

Curable ionic membranes with structure modifiers lower electrical resistance to multivalent ions, boosting reverse electrodialysis power output.

Multichannel ceramic hollow fiber membranes employ a skeleton structure to boost mechanical strength while maintaining high flux.

A hollow fiber membrane module uses a protective mesh to distribute water flow pressure and support the membrane structure.

A floating membrane distillation module uses a porous solar heat collector to uniformly warm raw water before it reaches the separation membrane.

Dynamic sweep control via a brake controller reduces air waste and reservoir pressure depletion during locomotive idle periods.

Reforming polymer binder in filled microporous membranes via heat or solvent treatment strengthens the structure while maintaining porosity.

A modular gas separation system uses switchable valve arrangements to reconfigure polymeric membrane modules between series and parallel layouts.

Internal filtration pressure presses a lid press section against a lock abutment, eliminating heavy housing materials and enabling versatile cartridge swaps.

Initiated chemical vapor deposition creates solventless zwitterionic copolymer films on reverse osmosis membranes.