Semi-Permeable Membranes TRIZ Cases

Inorganic coagulants combined with organic polymers enhance phosphorus precipitation while increasing permeate flux by 112% to reduce membrane fouling.

Ion exchange resin treatment removes metal ions from lithium sulphate solutions to yield high purity intermediates.

Low-temperature calcination below 800°C preserves catalytic phase efficiency while ensuring structural stability of the membrane filter.

Opposing liquid flows collide on the separation membrane to accumulate target components, reducing processing time and concentrated solution volume.

Differentiated winding density in wound hollow-fiber membranes reduces pressure loss while maintaining fouling resistance.

A seawater desalination filter cleaning method uses a two-step chemical process to remove deposits and maintain long-term efficiency.

Extruding a one-piece tubular mat eliminates assembly seams, reducing contamination risks in medical applications.

Laminated microfluidic paper device uses capillary flow to transport whole blood samples through integrated sensing layers for biomarker analysis.

A multilayer microporous membrane structure combines distinct polymer compositions to enhance mechanical strength and electrolyte affinity.

Automated lapping opens flared pores in sintered ceramic filters, resolving manufacturing complexity while ensuring precise pore size consistency.

A thin film composite membrane uses a crosslinked quaternary ammonium polymer selective layer to enhance ion conductivity.

Silica nanoparticles deposit onto patterned masks to create enclosed nanochannels, resolving fabrication complexity and cost issues.

Deep vacuum operation on the shell side of a membrane dryer prevents condensation while reducing system weight and thermal insulation requirements.

Ultraviolet curable silicone composition with photoactive catalyst allows selective curing to reduce manufacturing time compared to thermal systems.

A honeycomb ceramic membrane uses inorganic bonding to join aggregate particles, achieving an internal pressure fracture strength of 7 MPa or more.

Multi-compartment electrodialysis bipolar membrane system recovers nitrogen from liquid waste streams.

A filter integrity test device maintains specific pressure using controlled fluid replenishment to determine the integrity characteristic variable.

Combining elastomeric and sulfonated block copolymers creates porous films that sustain vapor transmission during repeated stretching cycles.

Orienting the pellicle scattering axis minimizes captured scattered light, restoring pattern fidelity without redesigning the EUV illumination system.

Interconnected 3D flow circuits in a rigid substrate increase filter surface area, overcoming the low compactness of conventional rectilinear tubular designs.

A polyolefin microporous membrane blends specific molecular weight polyethylene with localized polypropylene domains to enhance oxidation resistance.

A plug-based microfluidic device segments chemical signals into discrete fluid plugs for precise mass transport and analysis.

A disposable concentrating pipette tip integrates fluidic lines and a filter membrane to capture suspended biological particles from liquid samples.

A blended aluminate and cationic coagulant formulation precipitates inorganic impurities from wastewater.

A porous hollow fiber membrane with grafted anion-exchange groups filters protein mixtures to remove impurities.

A bipolar membrane electrodialysis system regenerates organic amines from carbon-rich solutions using ion-exchange membranes under an electric field.

Arranging adjacent pixel electrodes in different layers eliminates pitch disruptions to maintain electric field continuity for accurate droplet separation.

Conjugate fibers with controlled melting points bond during thermocompression to prevent polymer solution permeation defects.

Hydrophilic membrane incorporates superabsorbent polymer to increase water absorption capacity and dew point reduction for sub-dew point cooling towers.

A porous membrane functionalized with a polyacid layer adsorbs proteins rapidly through high-density free acid groups on pore surfaces.

Concave diaphragm steps improve insulating film coatability, preventing cracks from stress while maintaining circuit reliability on the same substrate.

Switching converters between indirect and direct voltage modes improves energy recovery during discharge cycles in capacitive deionization.

Segmentation and intermediary restrictors decouple column effluent from detector flow, stabilizing detection against gas rate fluctuations.

A multi-layer gas permeable membrane enables rapid diffusion of gaseous and ionic carbon dioxide through composite layers at elevated pressures.

A MEMS device with serpentine arms and a sharp member mechanically inserts genetic materials into cells.

Dissolving cellulose in ionic liquids prevents polymer degradation while incorporating effervescing agents that generate gas to inflate the fiber structure.

Cooling the permeation surface of a zeolite membrane by 10°C or more overcomes low CO2 partial pressure in combustion exhaust gases.

Focused acoustic energy disassociates protein complexes to recover low-abundance proteins and metabolites while depleting high-abundance species.

Sequential porous PTFE membranes separate dust and oil mist to reduce structural pressure drop and extend service life.

Countersunk base plate accepts flared tube ends to resolve thermal stress and seal consistency issues in hydrogen processing cells.

Solvent treatment creates mesoporous poly(aryl ether ketone) articles with uniform nanometer pores.

Amphiphilic core-shell nanoparticles adsorb refractory organics from landfill leachate, resolving biological treatment limitations.

A two-step decontamination process removes residual nucleic acids from laboratory consumables using ethylene oxide and hydrogen peroxide treatments.

Graded porous depth filters remove 0.5 to 200 μm particulates from flocculated feeds, eliminating centrifugation steps and reducing cross-contamination risks.

Polyethylene glycol adsorbs impurities to prevent thermal denaturation, enabling single-step extraction of functional proteins without chromatography.

Resin impregnation prevents potting material penetration and clogging while maintaining structural integrity during filtration.

Dual-phase membranes use molten salt phases to separate carbon dioxide from feed gases at lower temperatures.

Dual-chamber separators divide ink carrier oil and water from printer condensate via density stratification, eliminating pumps to reduce device complexity.

Automated valve control eliminates manual handling errors and contamination risks during sterile filter integrity testing.