Membranes TRIZ Cases

Ethylene recovery membrane assembly paired with refined tower side-draws isolates vinyl acetate from non-condensable gases.

Optimized equivalent weight and short side chain structure reduce size variations below 25 percent in orthogonal directions during hydration cycles.

Electrodialysis separates transition metals and organic polymers from underground brine to enable efficient co-production of high-purity iodine and salt.

Porous semipermeable membranes block immune components while allowing glucose and insulin transport to protect transplanted islets.

Calculating accumulated solids via raw water TDS measurements triggers regeneration voltage, preventing water wastage during desorption cycles.

Graphene oxide membranes in the separator prevent water re-entrainment by allowing only water to pass through, enhancing separation efficiency.

A flow distributor minimizes dead space between membranes and window frames, reducing elution volume and tailing in bind-and-elute chromatography.

Replacing thermal distillation, reactive chromatography removes heteroatom species via adsorption to separate hydrocarbons by molecular class.

A cellulose ester membrane with substituted benzoyl groups resists chemical degradation during water treatment.

Fusing thermoplastic particles onto an expanded fluoropolymer membrane balances structural integrity and breathability without compromising permeability.

Variable height feed and permeate spacers optimize flow velocity to reduce back pressure and membrane fouling in spiral-wound filtration systems.

A PVDF and UHMWPE blend microporous membrane uses a micro-prism array structure to enhance hydrophobicity.

Incorporating bulky diamine into monoesterified polyimide inhibits segmental motion, reducing permeance loss below 10% during transesterification.

Segmented folded plates generate vortex flow to mitigate concentration polarization and improve permeate flux.

A polyamide reverse osmosis membrane features a fouling resistant layer cross-linked to a protective coating for enhanced durability.

A forward osmosis unit uses nitrogen and carbon dioxide to separate fresh water from produced water.

Self-assembled hydrophilic star polymers modify pore surfaces to reduce internal concentration polarization while maintaining mechanical stability.

A zeolite membrane complex uses a low-density grain boundary phase to enhance permeability and separating performance.

A silicon carbide porous film on a filter substrate controls pore diameter distribution to manage particulate matter.

Multiple separators in one vacuum chamber handle varying fluid demand, eliminating the need for separate degasser units and reducing floor space.

A dioxole-based polymer layer protects hydrophilic membranes from swelling in high-water streams, maintaining stability during biofuel dehydration.

An adjustable resistance regulator compensates for membrane fouling, maintaining measurement precision and preventing foulant redistribution during backwashing.

A composite thin film binds nanostructured materials within a porous polymer matrix to enhance surface area and chemical selectivity.

Segmenting production and concentration phases via ATF filtration simplifies clarification while maintaining batch integrity.

Replacing complex sol-gel processes, a pencil lead coating repairs substrate defects and smooths surfaces to improve hydrogen separation performance.

Segmented planar channels eliminate uneven flow distribution in hollow fiber designs, reducing dialysate volume and equipment size for home use.

A hydrophobic microporous membrane separates ammonia and carbon dioxide from aqueous solutions via selective permeation.

A hollow cylindrical depth filter made of thermoplastic resin fibers with bonded intersection points and multi-layer porosity.

Ultrathin graphene oxide membranes resolve energy consumption trade-offs by enabling high selectivity in ion separation via controlled pore sizes.

Laminating a nanometer-thin photosensitive film onto a micrometer-scale porous support film provides mechanical strength for scalable filtration.

Flexible end member portions conform to membrane wound body outer surfaces to support uniform reinforcing fiber winding.

Ultrathin nanofibers enhance capture efficiency for particles ≤400 nm while minimizing pressure drop and energy consumption.

Polymer-coated membranes retain viruses via steric hindrance while resisting fouling from cell culture media components.

Suction rollers support the electrolyte membrane during coating and drying, preventing creases and pinholes caused by solvent-induced swelling.

Reentrant pore structures in perfluorocarbon-free membranes eliminate fragile hydrophobic coatings while maintaining robust salt rejection.

A continuous method for preparing acid-resistant nanofiltration membranes using sequential alkaline and acidic chemical treatments.

Higher molecular weight monomers enable high deposition rates and stable CO2/O2 selectivity in gas separation membranes.

A Venturi nozzle generates vacuum for membrane pervaporation using an immiscible working fluid.

Turbochargers recycle brine hydraulic energy to boost feed pressure, reducing polarization and maintaining consistent permeate production.

Vertical alignment of boron-nitride nanotubes via electric fields resolves the trade-off between high selectivity and manufacturing complexity.

Separating yarn and dope passages in a spinning nozzle reduces tension on reinforcing fibers, preventing leakage and distortion during production.

Apparatus detects pinholes in electrolyte membranes using gas flow measurement through a membrane-electrode assembly.

Cross-linking sulfonated styrenic block copolymers resolves the trade-off between high ion exchange capacity and mechanical stability in wet conditions.

A centrifugal filtration device uses titanium liquid contact parts to maintain a clean surface during operation.