Membranes TRIZ Cases

A membrane filter uses a one-piece extruded pipe to envelop hollow fiber membranes.

Electrochemical cell assembly removes ions without chemical regeneration, eliminating environmental pollution.

A membrane distillation module uses porous membranes and non-porous conduits to condense water vapor from hot feed streams.

A reverse osmosis membrane element uses a water division structure to segment flow channels and increase contact area.

A nanofiltration membrane with a nanoring-like polyamide structure increases specific surface area and free volume.

A nanoporous membrane uses alternating hydrophilic and amphiphilic polymer layers to create a microphase-separated structure for precise molecular filtration.

Bidirectional flow switching in spiral-wound membrane elements prevents front-end fouling while maintaining uniform channel distribution.

Thermoplastic resin melt seals hollow fiber ends and housing mouths in one step.

Dispersed clay particles in the glass seal reduce thermal expansion mismatch with the porous substrate, preventing cracks at high temperatures.

A filter module integrates a centrifugal pump rotor with hollow fibre filtration to streamline biotechnological liquid processing.

Crosslinking dissolvable polyimide with specific agents creates membranes that maintain solvent resistance while enabling ultrafiltration processability.

Microfilters replace chemical bleaching in a modular breeding system, separating nematode life stages while maintaining high viability and yield.

Quorum sensing regulation by immobilized microorganisms prevents biofilm formation, extending cleaning cycles and reducing energy consumption.

Porous PVDF film with controlled crystallinity and specific surface area enables high water permeability through optimized phase separation.

A boron carbide ceramic and polymer binder composite membrane enables ion conduction for water electrolysis.

Uniformly distributing two different hollow fiber membrane types resolves the contradiction between device complexity and separation versatility.

Acidulate soapstock soaps using carbonic acid derived from CO2 to achieve full fatty acid yield without mineral acids.

A membrane evaporative condenser integrates heat transfer and mass transfer using a moisture transfer membrane.

A mass exchanger uses a two-phase treatment agent to transfer heat and gas species through a permeable membrane in a single channel.

A sulfonated polyarylene ether copolymer forms a separation layer on a porous support membrane to resolve adhesion and chlorine resistance trade-offs.

Silver nanoparticles generate localized heat during interfacial polymerization to create nanofoamed polyamide layers.

A compliant mitral valve expander uses radial springs to enlarge the annulus and stimulate ventricular growth.

Intermittent alkaline water contact prevents membrane fouling, reduces cleaning chemical costs, and maintains ammonia removal efficiency.

Aligning feed water inlet parallel to longitudinal membrane direction reduces cleaning time without risking membrane damage.

Porous silicone membranes reinforced with metallic meshes prevent plasma leakage while maintaining high gas exchange efficiency in compact oxygenators.

A hybrid adsorbent-membrane reactor couples catalytic reforming with selective hydrogen permeation to boost methane conversion rates.

Vitreous polymer membranes incorporating bis-phenyl-9,9-fluorene groups resolve the trade-off between permeability and selectivity in olefin purification.

A styrene-tert-butylstyrene cation-exchange membrane incorporates an olefin additive and plasticizer to modify polymer structure.

Adjusting spinning parameters raises membrane water content to 70-73%, improving removal of higher molecular weight toxins in dialysis.

Tubular side ports penetrate pressure vessel walls to enable central feed entry and parallel cartridge alignment.

Segmented reverse osmosis units with heat exchangers concentrate saltwater above 200,000 mg/L while reducing energy consumption.

A water purifier filter cartridge integrates pre-filtering and RO membranes around a central tube to simplify the internal structure.

Sequential deposition on a sacrificial template creates stable microporous organic membranes, resolving the trade-off between chemical stability and permeance.

Amphiphilic block copolymers anchor hydrophilic segments to polyphenylene ether matrices, preventing extraction while reducing fouling.

A subsea desalination system uses density differences between salt and fresh water to drive reverse osmosis flow without mechanical pumps.

A flow guide mesh uses a comb structure to redirect raw water from axial to radial paths, lengthening filtration channels.

Vapor-assisted electrostatic spray narrows pore size distribution in polyamide composite membranes, resolving wide separation accuracy gaps.

A carbon dioxide separation membrane retains ionic liquid within a porous layer to enhance gas permeability.

Catalytic reactor generates inert gas from fuel and oxygen-depleted air, reducing onboard payload while maintaining non-reactive fuel tank environments.

Ventilation branches in the plate distribute air evenly to modules, eliminating complex lower chambers and reducing manufacturing costs.

Dynamic pressure reduction prevents membrane clogging while concentrating maple sap above 50 Brix.

Segmented heating stages remove adsorbates while preventing caulking and oxidation, resolving the trade-off between treatment speed and membrane integrity.

RAFT polymerization constrains PAA chain length inside nanoporous PVDF membranes, preventing pore blockage and enhancing ion adsorption efficiency.

A solvent reservoir filter uses two parallel screens to mechanically separate particulates from liquid chromatography solvents.

Mechanical fasteners assemble detachable stages in a multi-stage membrane distillation module.

Microporous membranes with 5 to 250 nm pores use localized cooling to resolve the trade-off between selectivity and permeability in hydrocarbon mixtures.

A micro flow filtration system uses a large external reservoir connected via a unidirectional conduit to maintain controlled fluid flow.

A dairy filtration pump adjusts power output based on feed pressure thresholds to maintain consistent permeate flow rates.

A discontinuous organic polymer deposit on an inorganic ultrafiltration membrane reduces fouling susceptibility while maintaining high water flux.