Membranes TRIZ Cases

Segmenting the structure into a porous support and thin functional layer resolves plasticization trade-offs while maintaining mechanical strength.

Blending PTFE with PFSA additive lowers flow resistance while maintaining metal scavenging efficiency in sulfuric peroxide mixtures.

A spiral sheet product manufactured via additive processes arranges into a flat sheet larger than the build chamber.

Segmented steam passages prevent flow speed increases and friction losses in multistage membrane distillation.

A composite membrane with an active layer removes metal ions from water through stable complex formation.

A membrane separation process uses controlled temperature differences to drive water vapor permeation through hydrophobic membranes.

Segmenting coaxial chambers into side-by-side units simplifies assembly while combining co-current and counterflow principles for homogeneous blood treatment.

A facilitated transport membrane uses metal salt carriers to selectively permeate olefins through a hydrophilic polymer layer.

A polyolefin microporous membrane with controlled pore size and porosity enables precise filtration of ionic substances.

Polydimethylsiloxane permeable layers reduce defect flow contributions in composite membranes, resolving mechanical stability versus selectivity trade-offs.

Crosslinked carboxylate-functionalized cellulose nanofibers on a microfiber scaffold resist fouling while maintaining mechanical strength.

Angled support ribs in flip-bonded filters reduce flow constriction, enabling high-density slit patterns without compromising mechanical strength.

UV treatment cross-links polyimide membranes, boosting CO2 permeability without complex heat processes.

A membrane vapor concentrator selectively enriches hydrogen peroxide vapor through counter-flow permeation.

A three-dimensional nanofiber web removes impurities from liquids using air-electrospinning.

A gas separation membrane uses a porous support with less than 10 mg/m2 monovalent metal ions and a thick discriminating layer.

Series membrane units and compressors recycle permeate to boost product gas yield while minimizing energy consumption.

Tubular electrode-supporting gas separation membrane module transports ionized gas via internal electron exchange circuits.

Broad ion fields perforate two-dimensional materials through controlled defect expansion, achieving high hole density with narrow size distribution.

A charge neutral biocide dosing system adjusts feed stream addition rates based on permeate concentration measurements.

Hydraulic flow through a stationary macroporous gel forms covalent bonds rapidly, increasing dynamic binding capacity compared to slow batch methods.

Controlled rotary buffing of annealed layers ensures uniform thickness for high-temperature gas separation.

An internal bypass tube redirects condensate water into the housing interior, preventing freezing and stack damage in cold environments.

Nanosheet pre-coating simplifies fabrication by eliminating expensive engineered supports while maintaining high gas separation performance.

Chemical vapor deposition eliminates solvent evaporation and mechanical stress, improving membrane stability and reducing production costs.

Rigid members segment pleated membrane folds into isolated supply and exhaust regions, preventing gas shortcuts that degrade separation performance.

Forward osmosis and ion exchange remove raw fluid ions, reducing energy consumption compared to reverse osmosis.

Molded ribs space the bladder from tank walls, establishing immediate squeeze water flow passages that eliminate initial dispensing hesitation.

Alternating production and backwash modes reverse water flow across semi-permeable membranes to detach accumulated foulants.

Cyclodextrins form inclusion complexes with plant extract components to increase molecular size during reverse osmosis.

A fluorescent tracer bolus injection technique evaluates osmosis membrane efficiency through fluorometric analysis of feed and permeate streams.

Composite PVDF membrane resolves mechanical strength versus permeability trade-off through heated coagulation curing.

Vacuum operation and regenerative heating reduce compression energy for decentralized oxygen generation.

Block copolymer self-assembly creates periodic pore structures that resolve the flux versus retention trade-off in phase inversion membranes.

A membrane leaf packet uses adhesive cured against a non-stick protective sheet to create a low surface energy bonding interface.

UV oxidation converts dissolved silica into particulate form for efficient filtration and reverse osmosis treatment.

A membrane cleaning method injects solution upstream of a stopped high-pressure pump while recirculating discharge fluid through an energy recovery system.

Movable coaxial connections absorb thermal expansion in tubular filter assemblies, reducing material stresses while maintaining reliable fluid connections.

A control system manages processing reservoir water levels to reduce reverse osmosis pump cycling.

A solid electrolyte membrane production method uses liquid substitution to replace organic solvents before final drying.

Integrating flow openings and sealing into a single unit eliminates external stainless steel connectors, reducing space requirements in membrane plants.

A hydrogen-selective membrane uses an annealed metal leaf to form a continuous alloy layer for improved permeability.

A membrane distillation device integrates preheating using vapor condensation to raise liquid temperature efficiently.

Rare-earth manganese oxides utilize reversible phase transitions to store oxygen at lower temperatures, reducing energy consumption.

A non-porous silicone membrane selectively removes carbon dioxide from dialysate using differential permeability coefficients.

Axially oriented coextruded multilayer film achieves high CO2/O2 selectivity and flux while preventing pinhole defects through segmented polymer design.

A plasma separation device uses hydrophobic membranes and actuators to isolate metered fluid volumes.