Membranes TRIZ Cases

Nanofiber filtration media resolves the pressure drop versus retention trade-off by using 10 to 1000 nm fibers to achieve Log Reduction Values above 9.

Thermosetting plastic bonding eliminates shrinkage voids that warp membranes and reduce dynamic binding capacity during bind and elute operations.

A pyrolyzed preceramic polymer ceramic membrane filters dissolved solids from boiler blowdown water.

Fluorinated silane coatings on PVDF membranes repel organic pollutants to prevent fouling and extend service life in desalination.

Positive pressure inversion eliminates solvent evaporation and bubble formation that block filter media during high-throughput screening.

An open annular space eliminates dead spaces that promote biofilm fouling, reducing disinfection needs.

Parallel cross-flow membrane units enable continuous filtration by cleaning one unit via forward flushing while the other removes suspended solids.

A support ring with a circumferential projection anchors hollow fiber membranes to decouple potting mass from the housing.

Stacked membranes in a composite support structure boost separation efficiency while maintaining durability for commercial carbon dioxide reduction.

Segmented pressure exchanger rotors increase treated flow rate without enlarging device weight or material cost.

Segmented dustproof and waterproof membranes prevent clogging and water seepage under negative pressure, extending sensor service life.

A carbon membrane laminated body with a porous underlayer and separation layer enhances selectivity.

Segmented filter units with universal interfaces reduce hose connection complexity and dead volume, preserving yield in biotechnological filtration.

Nanofiltration membrane separates lactic acid from aqueous fermentation broth to recover purified permeate for subsequent processing.

A cross-flow filtration unit separates starch from process water to produce dewatered starch and clear permeate.

Modified polybenzimidazole membranes separate water from acetic acid via pervaporation, reducing energy consumption compared to binary distillation.

Conductivity feedback replaces slow glass electrodes to precisely control alkali dosing in low-buffer decarbonated water.

Periodic heating of a zeolite separation membrane prevents Joule-Thomson condensation and maintains permeance during high-pressure gas processing.

Metal nanoparticles increase thermal mass in microsensors to enable electrical biosensing, replacing bulky optical setups that limit portability.

A hollow fiber membrane module uses a dual-channel connector to route feed liquid independently across multiple elements.

Electrodialysis removes bicarbonate ions from seawater, shifting equilibrium to extract carbon without processing large air volumes.

A silylated zeolite membrane separates piperylene from cyclic hydrocarbons, resolving extraction limits in C5 fractions.

Secondary nanofiltration removes calcium and magnesium ions before electro-chlorination, preventing scaling in subsea hydrocarbon production.

A silk nanofiber interlayer boosts water permeance in composite nanofiltration membranes.

Segmented upper and lower supports enable safe separation of cultured cells without deformation, facilitating direct microscopic analysis.

A charged hollow fiber membrane uses hexagonal voids to enable high throughput fluid filtration.

Forward osmosis purifies water using solar thermal energy, eliminating high-pressure pumps and boosting panel efficiency.

A modular cassette assembly uses a multi-layer membrane stack to enhance filtration capacity and maintain stable elution concentration.

A reverse osmosis dispenser uses a control circuit to split reject water into recycle and drain paths based on sensor readings.

Low-temperature diffusion precipitation produces ethylene chlorotrifluoroethylene membranes without thermal degradation or plasticizer extraction.

Planar membrane humidifier with perpendicular flow channels and diffusion media facilitates water vapor transfer between wet and dry gas streams.

Attrition and jet milling create fine cordierite particles that form a smooth, crack-free membrane on a monolith substrate to maintain vacuum integrity.

Periodic concentrate line flushing with undersaturated solutions prevents mineral scaling and reduces water hammer risks during membrane repositioning.

Segmented ducts equalize solids concentration across membrane units, preventing fouling gradients in membrane bioreactor tanks.

A membrane performance indicator optimizes retention and permeability to lower capital costs for industrial catalyst recovery.

A separation membrane element uses feed-side channel materials to enhance turbulent flow and improve fresh water production performance.

Segmented liner and head assembly reduce manufacturing complexity while composite overwraps maintain pressure resistance.

A crystallisation agent induces salt precipitation in the feed stream before membrane distillation separates pure water.

Rigid structural inserts stabilize membranes and reduce vibration in the potted flat sheet filtration module, resolving stability versus complexity trade-offs.

A hemodialysis membrane removes cell-free plasma hemoglobin using selective permeability.

Composite alloy cladding on sealing surfaces prevents leaks from H2S corrosion while maintaining structural integrity of low alloy steel pressure vessels.

Evaporating solvents from ethylene-vinyl alcohol copolymer solutions below 50°C increases surface energy and mechanical strength while preventing pore clogging.

Segmented delipidating and filtering units simplify the enrichment process, enabling on-site use by non-experts without laboratory expertise.

Temperature swing membrane absorption reduces electricity costs by 30% while maintaining high capture efficiency.

Segmented membrane and thermal units recover rhodium catalysts while reducing energy consumption.

Microporous polyolefin membrane prevents short-circuiting by resisting melting shrinkage at elevated temperatures.

Recycling permeate to the feed line allows precipitant reactions that remove heavy metals, resolving reliability versus complexity trade-offs.

Alkylamine ligands modify ZIF nanoparticle surfaces to enable high concentration dispersion in polymer matrices.