Semi-Permeable Membranes TRIZ Cases

A multi-well vacuum filtration plate uses piercing members to draw samples through a membrane.

A zeolite membrane complex incorporates carbon to stabilize the crystal structure and enhance permeation flux.

A polyarylene ether sulfone copolymer combines biobased diols with sulfonated monomers to form high molecular weight chains.

Electrochemical synthesis drives ligand exchange to create continuous fcu-MOF membranes, eliminating pinholes common in solvothermal fabrication.

Dip coating porous polymer hollow fibers with MOF seed particles enables low-temperature crystal growth.

A gas separation system uses a permeate discard line to adjust supply flow between membrane units.

Controlled dielectric breakdown in buffered hypochlorite solutions produces clog-resistant nanopores that maintain consistent measurements and reduce downtime.

Zirconium crosslinking minimizes surface convex portions that scratch photoreceptors, maintaining electrical resistance for reliable image quality.

Radially expanding retainers guide centrifugal expulsion of oil droplets, preventing filter media blockage and extending breather vent lifespan.

Chemical etching creates ultrafine recesses on the aluminum alloy, enabling direct injection molding of polyamide resin without adhesive layers.

Additive manufacturing creates porous sintered metal bodies with 50-80% porosity, reducing waste from manual forming.

Purging gas displaces residual air in filter cartridges, accelerating solvent wetting and reducing photoresist waste.

Soluble aromatic polyimide hollow-fiber membrane achieves high hydrogen permeation rates through specific monomer composition.

Raman spectroscopy detects membrane fouling chemistry via CARS or SRS signals, replacing mechanical sensors that lack chemical specificity.

A set of circumferential home position marks identifies microfluidic disc identity and orientation through segmented detection patterns.

A selective sonication-assisted deposition method positions plate-like Si-CHA particles on substrates to form uniform seed layers.

Funnel-shaped outlet container guides waste water along an inclined wall to minimize noise and prevent back-contamination in dialysis systems.

Applying a partial vacuum draws high-viscosity epoxy toward the source, forming a precise tubesheet while preventing excessive wicking along the fibers.

Controlled hypochlorite cleaning removes protein fouling from polyvinylpyrrolidone membranes without degrading the material, restoring clearance efficiency.

A portable gas exchange device integrates a pumping system with a mixing chamber inside a compact housing.

Compressing a carbon nanotube slurry eliminates filtration steps, resolving size limits and chemical degradation in industrial-scale production.

Periodic pressure monitoring detects heat exchanger leaks in hemodialysis devices, preventing disinfectant backflow contamination.

Sequential crystallization and reverse osmosis remove oxalic acid impurities, eliminating high-energy vacuum distillation.

Automated filtering device removes ceramic debris from slurry tanks, extending lifespan by three to six weeks.

Nested semi-rigid frame captures sediment in inlet throat, preventing traffic hazards and flooding.

Segmenting filtration into a fleece pre-filter and main element removes impurities while preventing moisture damage to the core filter.

A hollow fiber membrane layer uses a modified polyolefin adhesion layer to bond securely with a polyurethane fixing portion.

Hybrid nanoporous polymer membranes overcome the flux-selectivity trade-off by providing selective pathways that enhance gas separation performance.

Visible-light porphyrin photocatalysts degrade yperite into non-toxic sulfoxides without complex UV reactors or pure oxygen systems.

A multivariate bracketing approach using principal component analysis models sterile filtration parameters to predict validation outcomes.

A conductive channel member production method using hot melt bonding to join layered carbon-resin sheets.

Optical sensors measure filtrate turbidity to detect damaged filter cloths, eliminating manual inspection time and reducing unnecessary maintenance.

A Group 5 element alloy with iron and aluminum forms a body-centered cubic lattice for hydrogen separation.

Alternating flow paths prevent catalyst adhesion on tubular membranes, maintaining continuous heterogeneous reaction operation.

Crosslinked copolymer and inorganic particles suppress electrolyte swelling while maintaining ionic conductivity.

Segmented fluid balance calculation resolves measurement precision conflicts by predicting permitted drinking volume and clearance accurately.

Benzodiazole-tagged copolymers enable direct optical detection of treatment polymer concentrations, eliminating indirect tracer methods and calibration curves.

Self-assembling resist generates precise apertures to resolve graphene conductivity contradictions and enable reliable DNA sequencing.

A filtration device uses microstructures to separate chambers and enable fluid circulation for cell culture.

Porous carbon electrodes with anionic conductive polymers enable efficient cation movement, resolving ion mobility bottlenecks in low electrolyte solutions.

Hydrophobic surface modification of MXene particles prevents oxidation and improves dispersion in organic solvents.

Selective permeation extracts ethylene from the atmosphere surrounding produce, extending shelf life while lowering energy costs compared to refrigeration.

Pre-peeling sludge via water backwash reduces chemical usage and protects microorganisms in biological treatment tanks.

Bacteriophage connector protein channels insert into copolymeric membranes to form nanopores for biomolecule sensing.

A laminated porous polytetrafluoroethylene membrane integrates uniaxially and biaxially stretched layers to achieve controlled porosity.

Acid-sintered silica nanoparticle coatings on a microporous substrate create a hierarchical pore structure that improves selectivity and permeability.

A microfluidic filtering chamber attached to an optical fiber probe separates particles from liquid samples for spectroscopic analysis.