Membranes TRIZ Cases

UV cross-linking creates selective pathways in polybenzoxazole membranes, resolving the selectivity-permeability trade-off.

Integrated centrifugal filtration device separates particulate matter via dedicated pelleting space before fluid passes through the filter medium.

Zeolite nanosheet membranes separate oxygen from nitrogen through selective diffusion, overcoming selectivity permeability trade-offs in gas separation.

Nitrogen doped silicon carbide membranes improve filtration reliability while reducing energy consumption from recirculation pumps.

A porous ceramic support uses an amorphous silica coating layer to suppress alkali metal elution during hydrothermal synthesis.

Tetramine cross-linkers enable precise pore structure control in hyper-cross-linked polyamide membranes, resolving diamine limitations.

Solvent-resistant diafiltration membranes separate defined monomer sequence polymers from reaction by-products in organic solvents.

Adding secondary surfactants forms mixed micelles, enabling ultrafiltration to remove detergents without denaturing proteins.

Porous nanofibre mats impregnated with ion-conducting polymers maintain proton conductivity while resisting mechanical degradation during wet-dry cycling.

Composite biocidal membranes maintain sterility during valveless dispensing by preventing bacterial contamination through ionic oxidation.

Additive manufactured porous matrix increases interfacial surface area for species extraction, reducing equipment volume and energy consumption.

Solid polymeric substrates feature covalently attached polymeric chains formed via thiocarbonylthio iniferter polymerization.

Ion exchange connectors transport specific ions while blocking liquid flow, reducing system complexity and gas generation in chromatography.

A subsea membrane separator compresses and cools permeate gas to high density for reservoir reinjection.

Modulating vacuum pump drive element speed during intake and exhaust phases reduces pressure fluctuations that cause baseline noise in analytical detection.

Focused laser beams reduce stochastic breakdown timing by controlling membrane dielectric strength at specific locations.

A single pipe supplies air to a diffuser for membrane cleaning in an immersion type separator.

Adjustable tensioning rod assemblies with distinct diameter nuts enable precise preload and operating tension control in fluid treatment units.

Lower molecular weight polyalkoxy fatty acyl surfactants pass through ultrafiltration membranes, reducing protein aggregation while maintaining stability.

Segmented composite filtration platform overcomes permeability-retention trade-off by using a prefilter and retentive nanofiber layer.

Matting unsintered ePTFE membranes before sintering resolves the trade-off between reduced thickness and decreased tensile strength.

Integrating an oxygen sensor into the air separation module outlet header monitors gas purity without requiring a separate slip stream.

Crimped fibers disrupt laminar flow boundary layers in a polysulfone hollow fiber bundle, expanding uremic solute clearance while retaining albumin.

A rotating impeller in an air gap membrane distillation apparatus reduces air resistance to increase permeate flux by up to 147 percent.

Axial groove-like recesses on the inner dense layer of a cellulose acetate hollow fiber membrane restrict protein clogging during high-flow hemodiafiltration.

A selectively-permeable membrane facilitates oxygen transport through a polymer matrix with binding carriers.

Monitoring transmembrane pressure after stopping fluid flows detects small leaks and solute transport, ensuring dialysis fluid quality.

Segmenting large fiber bundles into parallel stages reduces pressure drop and phase separation while maintaining high mass transfer surface area.

A nanofiltration membrane with a specialized coating selectively rejects divalent ions to isolate monovalent lithium in aqueous solutions.

Embedding warp and wrap filaments in polymer dope creates a reinforced hollow fiber membrane that resists kinking and cracking under mechanical stress.

Gradient porosity structure in hollow fiber membranes balances tensile strength and water permeability through layered design.

Urethane crosslinks in poly(ether-b-amide) membranes resist plasticization and physical aging while maintaining high CO2 permeability.

A pocket-shaped filter element with a saddle head and support struts creates a large effective surface area.

Low-temperature ozone oxidation removes organic templates from zeolite membranes, preventing crack formation caused by high-temperature calcination.

Velocity PID control adjusts pump frequency to maintain target permeate flow, suppressing deviations caused by temperature changes or membrane degradation.

Graded silica layers resolve performance limits in conventional membranes by increasing CO2/CH4 selectivity.

A hollow fiber membrane with a zebra stripe inner surface pattern and controlled outer pore size enhances water permeability.

Integrating tangential flow filtration and virus filtration into a continuous circuit boosts manufacturing efficiency while managing device complexity.

Sinking a reverse osmosis container utilizes natural depth pressure to reduce energy consumption for desalination.

A hydrophobic resin prefilter removes multimers from high-concentration protein liquids before virus removal membrane filtration.

Dynamic distribution mechanisms prevent blood stagnation and clot formation in oxygenators by ensuring uniform flow across hollow fiber bundles.

Variable cross-section geometry creates pressure gradients that enhance convective transport and middle molecule removal without complex equipment.

An immunoisolation membrane with a porosity gradient promotes angiogenesis around transplanted cells while preventing immune cell permeation.

Segmenting filtration into distinct layers improves particle retention without increasing pressure drop across the composite structure.

Crosslinked polymers fill microporous substrates to lower electrical resistance and boost permselectivity for seawater desalination.

A PTFE fibrous filtering layer bonded to a non-woven substrate enhances membrane permeability in wastewater treatment systems.

A porous ultra-thin polymer film forms through selective solvent extraction of a sacrificial polymer phase from a sea-island blend.

Functionalized MoS2 membranes prevent irreversible restacking to sustain permeability after drying, reducing energy consumption in desalination.

Selective laser sintering forms shaped canisters that increase air separating membrane capacity within constrained aircraft installation envelopes.

A functional polymer membrane incorporates a mercapto group chain transfer agent to reduce the product of water permeability and electrical resistance.