Semi-Permeable Membranes TRIZ Cases

A CO2 separation device uses a membrane recycling system to reintroduce permeable gas into the source stream.

Cold gas spraying creates a porous component with defined porosity, resolving fluctuations in long-term gas permeability stability.

A fuel filter monitor employs an expanded polytetrafluoroethylene membrane to separate water from hydrocarbon streams without superabsorbing polymers.

Non-metallic fiber strands in hybrid fabric structured packing enhance capillary action, increasing phase interface area at low liquid loads.

Gas flow scours the filter medium surface to dislodge accumulated solids, maintaining permeability in high solids content mixtures.

Fluorine mineralizing agents synthesize defect-free zeolite crystals under 1.5 micrometers for high-performance catalysts.

Segmented centrifuges and filtration remove fines from spent abrasive slurry, avoiding scaling risks while enabling on-site regeneration.

Automated peritoneal dialysis effluent detection uses cellular-scale light scattering to distinguish white blood cells in real time.

A multilayer air filter medium uses a hydrophobic porous PTFE membrane to capture oil particles and maintain permeability.

Segmented porous ceramic layers with specific pore diameter ratios minimize pressure loss while maintaining separation precision.

Single-step electroplating forms high-purity Pd-Au layers on vanadium membranes, eliminating complexing agents that reduce hydrogen permeability.

Replacing pneumatic testing with hydraulic pressure reduces costs while preserving permeation characteristics through low-affinity fluid selection.

Copolymer membranes balance crystallinity and amorphous phases to resolve the trade-off between chemical resistance and selectivity in gas mixtures.

A blood purification apparatus calculates recirculation rates using hematocrit sensors to determine ideal extracorporeal circulation flow.

A filter element mounting structure uses a driving mechanism to move a limiting member through locking positions for secure assembly.

A honeycomb ceramic separation membrane structure with matched thermal expansion layers.

Silane-modified polyurethane resin hardens to encase hollow fiber membranes, maintaining mechanical strength and adhesion at elevated temperatures.

Specifying alumina-silica ratios and layer dimensions reduces strength loss during zeolite membrane formation.

Permanganate and ferrate VI oxidize extracellular polymeric substances to dissolve biofouling deposits on filtration substrates.

Graphene oxide and clay form a composite film that blocks oxygen via tortuous channels, maintaining transparency while lowering production costs.

Coupled tube segments enable sequential centrifugation within a sealed assembly, preventing supernatant contamination during secondary processing.

Weigh scale feedback combined with calculated fluid flow rate stops pumping to prevent air entry and hemolysis during whole blood separation.

A gas separation membrane system purifies natural gas by removing C3+ hydrocarbons and CO2 using selective permeation layers.

Fluorescent probes enable direct detection of concentration polarization, eliminating theoretical model dependency and reducing measurement uncertainty.

Basic aluminum chloride binds zeolite particles into dense portions, maintaining purification performance while preventing vibration damage.

Distilling eluted plasticizers from cleaning solvents to recover resources and reduce waste during microporous film manufacturing.

Forward osmosis membranes recover water from salt streams to replenish lean absorbent, reducing energy and freshwater needs in carbon capture.

Segmented glassfiber filtration isolates vesicles to improve biomarker detection sensitivity without ultracentrifugation.

Aromatic perfluoroalkane monomer creates stable polymer membranes that resist water absorption while maintaining proton conductivity.

A filtration device uses electrodes to drive electrophoresis and electroosmosis for solid-liquid separation.

Automatic purge valves remove air pockets from filters via pressure feedback, preventing biofilm formation and maintaining ultra-pure water quality.

A combed spacer configuration directs polar fluids into an EWOD channel, preventing air bubbles and oil displacement during side loading.

Deep cleaning and solvent degassing prepare porous filler cylinders for high purity acetylene storage.

Self-assembled silica nanoparticle arrays form enclosed nanochannels, bypassing costly thermal oxidation and nanoimprint lithography.

A nanofluidic flow cell uses substrates with nanoscale grooves to confine biological molecules within physical constraints.

Liquid platform delaminates patterned thin films by controlling surface wettability for precise transfer.

Varying truss member diameters across the sheet achieves region-specific stiffness and fluid flow resistance for cushioning applications.

Hydrogen-bonded organic frameworks combine proton conductivity with semi-conductive properties through specific functional group networks.

Plasma spray ion conductive membrane deposition uses controlled oxygen flow to maintain chemical composition.

A MEMS osmometer measures plant water potential using a selective barrier and hydrogel osmoticum, preserving the soil-plant-atmosphere continuum.

A palladium-gold alloy film selectively releases hydrogen gas while maintaining structural integrity at low temperatures.

Vinyl-containing polysiloxane blocks in polycarbonate provide drip prevention without halogens, maintaining impact resistance.

Optical sensing of peritoneal effluent resolves scattered light at a cellular scale, enabling immediate peritonitis diagnosis without laboratory delays.

Segmenting the structure into surface layers and a central macrovoid layer resolves the trade-off between high porosity and mechanical strength.

Polymerized organosilicon nanoparticles line porous void cells to treat fluid mixtures, enabling thermal regeneration that restores treatment effectiveness.

Self-propagating high-temperature synthesis reduces energy consumption while forming inorganic hollow yarns with high strength and porosity.

A fluorescence-based extracellular enzyme activity assay detects bacterial colonization in membrane filtration systems.

A sterile-grade membrane separates non-sterile sensors from fluid paths.