Membranes TRIZ Cases

Hydrophobic metal-organic frameworks adsorb carbon dioxide from gas streams, enabling selective capture without prior water removal.

Monolithic ceramic membrane filter with 0.5 µm pores separates fermented malt beverage while suppressing rapid transmembrane pressure increase.

Continuous single-step coextrusion creates multilayer sorbent polymeric membranes with high porosity and mechanical strength.

A carbon dioxide separator uses a membrane module to concentrate CO2 before absorption.

An ammonia and carbon dioxide draw solution enables solvent extraction via phase transitions, reducing energy consumption for solute recovery.

Forming the active layer on the inner surface prevents mechanical damage from guide rolls, ensuring uniform thickness and high water permeability.

Segmented peripheral seals with external tabs enable automated manufacturing and reduce leakage risks in biological fluid filtration units.

Corrugated spacer fibers enhance mass transfer coefficients and reduce concentration polarization within hollow fiber membrane modules.

A water filter cartridge uses particulate activated carbon with controlled particle size distribution to maintain stable filtration flow rate.

A selective gas permeable film exhausts internal pressure to prevent pouch swelling without allowing external moisture ingress, extending battery lifespan.

Acidified water extraction removes salt-induced off-flavors from sunflower protein, yielding high-purity isolates for food fortification.

A hollow fiber membrane uses a specific thermoplastic elastomer composition to achieve favorable gas permeation performance.

A composite membrane with a graphene oxide coating layer achieves high carbon dioxide permeability and selectivity.

Hybrid membranes invert hydrophobic oleophilic limitations by embedding nanofillers that enhance tensile strength and water flux while preventing brittleness.

A reverse osmosis system blends filtered and unfiltered water streams using a flow restrictor to achieve consistent total dissolved solids output.

A dialyzer control unit adjusts substituate infusion rates based on real-time transmembrane pressure and flow resistance measurements.

Isothermal heating via ceramic-supported thin film membranes eliminates adhesive failure and temperature gradients in pervaporation.

Discharge channels in the ceramic filter reduce pressure loss while maintaining mechanical strength for efficient separation.

Segmented casting embeds aligned filter membrane pocket corners to allow uniform expansion without mechanical damage.

A submerged plate membrane device concentrates feed streams via diffusion into a draw solution without high-pressure pumping.

Stacked water-vapor-permeable membranes use tapered sealing strips to maintain spacing and enable moisture transfer between air flows.

A piston and rolling diaphragm mechanism controls fluid flow, eliminating solenoid valves to reduce system complexity.

A graphene oxide membrane integrates nanosheets into a crosslinked polymer to enhance mechanical strength and chemical stability.

Oxidant leaching releases tightly bound lithium from sedimentary deposits, reducing physicochemical processing complexity.

Segmented metal ion recovery devices use porous current collectors to maintain stable electrical connections across multiple selective permeable membranes.

Electrospun nanofiber mats resolve low porosity bottlenecks by maintaining 85% porosity while retaining viruses, enabling faster fluid processing.

Sensor nodes measure permeate conductivity and temperature to detect individual element degradation, reducing maintenance downtime.

Variable size nozzles control brine flow without throttle valves, reducing energy consumption and capital costs compared to standard VFD systems.

Enzymatic hydrolysis with mannanase reduces membrane fouling during woody biomass sugar production, lowering costs and enabling valuable substance recovery.

Inside-out hollow fiber filtration concentrates cell suspensions via controlled tangential flow.

A pentaamine-impregnated ultrafiltration support matrix enables rapid fabrication of hyper-cross-linked polyamide membranes via single-step interfacial polymerization.

Sequential neutralization, filtration, and chemical oxidation improve biodegradability while preventing downstream blockages.

Continuous buckypaper filtration maintains tube alignment while increasing production rate through dynamic control.

A binder-free sintered electrolyte membrane selectively migrates alkali metal ions through electrochemical potential differences.

Segmenting the membrane into a removable cartridge resolves the contradiction between maintaining airtightness and reducing manufacturing costs.

A cycling ultra-thin channel filtration system builds and recovers a concentrated boundary layer on the membrane surface.

Nanofiltration removes magnesium while reverse osmosis concentrates permeate before electrodialysis enriches lithium ions for high-purity salt production.

Nesting two filter assemblies reduces occupied space while maintaining multi-stage filtration efficiency.

A biological treatment apparatus with optimized inlet duct length ratios reduces downstream biogrowth and maintains low pressure drop.

Controlling elongation percentage difference between 30 minutes and 24 hours immersion reduces thickness unevenness caused by wrinkles.

Polygon mesh spacer with local mixing elements boosts mass transfer efficiency while maintaining low flow resistance.

Reducing connectors link filtration modules to partition plates, preserving structural integrity while enabling effective backwashing and gas scouring.

Consolidated recycle walls eliminate MLSS gradients and reduce reactor volume by merging air scouring with mixed liquor distribution.

Electric field electroporation destroys biofilms on nanotube composite membranes, resolving clogging trade-offs.

Circular pressure vessel arrangement recycles concentrate to adjacent inlets, reducing pipeline material and energy losses.

Tangential flow depth filtration systems drive non-laminar fluid flow through tubular filters to reduce fouling and sustain high process capacities.

A reciprocating membrane support frame moves horizontally to detach contaminants via inertial force.

A two-liquid method bonds amino-functionalized silane and acrylic acid to polyimide surfaces.

A zwitterionic polysiloxane-polyamide interpenetrating network enhances hydrophilicity to boost water transfer across reverse osmosis membranes.