Membranes TRIZ Cases

Two-stage ultrafiltration replaces chemical extraction to purify biological dust suppressant while reducing toxic waste and operational complexity.

Incorporating an illite glass phase into the spinning mass increases bending strength and reduces scrap rates while maintaining porosity.

Room temperature processing with water-soluble solvents enables high isopropanol permeability and 100% particle rejection for sub-100 nm contaminants.

A polymer with cationic and non-ionic groups enhances electrical conductivity and solubility.

A dense silicone hollow fiber membrane separates volatile compounds from emulsions using a sweep medium.

Rapid decantation exceeding 15 m/h followed by direct membrane filtration resolves equipment size constraints while sustaining silt density index below four.

Adjustable traverse speed prevents air bubbles and excessive blood loading in hollow fiber laminates.

Curved channels in a one-piece porous support increase filtrate flow rate while maintaining mechanical resistance against traditional straight channel designs.

A filtration membrane with an electrically conductive layer uses electrochemical processes to cleave and regraft a protective surface.

Synthesizing a zeolitic imidazolate framework membrane inside a hierarchically structured alumina support using counter diffusion.

A spiral wound filtration assembly integrates a bioreactor within its pressure vessel to treat feed liquid before membrane contact.

Benzimidazolium polymers with ortho-substituted phenyl groups maintain ionic conductivity in alkaline environments.

Zwitterion-functionalized multicomponent copolymers resolve protein fouling and leaching issues while maintaining chemical resistance.

Magnetic sealing enables reuse of wrapping films around hollow fiber membrane bundles, eliminating single-use material waste.

Rotatable reel carrier automates fiber bundle reeling and film wrapping, reducing manual handling losses in dialysis filter manufacturing.

A cellulose acetate hollow fiber membrane features dense inner surface groove-like recesses oriented lengthwise to enhance yield strength and filtration stability.

A composite filter cartridge integrates pretreating, fine, and mouthfeel-improving sections to reduce system diameter.

A self-humidifying ion-exchange composite membrane uses a nanocracked hydrophobic coating to retain water molecules within the polymer structure.

Biguanide additives convert hydrolyzed acyl halides into crosslinks, boosting salt rejection to 99.8 percent without reducing water permeability.

Thinner border edges on a spiral wound membrane permeate carrier contain adhesive spread, preserving active area and preventing channel blockage.

Vibration Induced Dynamics decouples shear production from feed transport, preventing membrane fouling without increasing trans-membrane pressure.

Diselenide polyimide membranes resolve the trade-off between structural stability and gas separation efficiency through composite material integration.

Coated PTFE microporous membrane increases basis weight by 0.5% to improve tensile strength without degrading insertion loss across 300 Hz to 4000 Hz.

Oxygen-rich calcination decomposes structure-directing agents in zeolite membranes, reducing defects on complex substrates.

A tangential flow filtration module uses a washing tank connected to its permeate zone for backflow cleaning of clogging filter material.

Unidirectional freezing aligns micropores through the thickness direction, reducing tortuosity and boosting permeability for microfiltration.

A nanofiltration process purifies aqueous salt solutions using retention-enhancing additives to separate polyvalent ions from sodium chloride.

A polyphenylene polymer membrane maintains structural integrity under high pressure.

Dynamic interval positioning resolves manual labor bottlenecks when installing heavy hollow fiber membrane modules into rigid frames.

Segmented microchannels in a thin membrane improve gas exchange efficiency while maintaining structural integrity.

A hollow fiber membrane module uses a breaking strength of 25 MPa or more to enable high surface linear velocities.

A two-stage fuel filter combines particulate and hydrophobic elements to remove contaminants and water.

A pseudo-diamondoid metal complex selectively adsorbs 1,3-butadiene from mixed C4 hydrocarbon gases.

Continuous conductivity and flow monitoring calculates RO membrane retention efficiency, preventing catastrophic patient contamination risks from undetected filter failures.

Amine solvent extracts additives from PVC polymer matrices, preventing thermal degradation during processing.

Dynamic rotation control manages Taylor vortices to limit membrane fouling without sacrificing separation efficiency or increasing energy consumption.

Composite ultra-high molecular weight and high-density polyethylene membranes suppress curling for smooth winding in lithium ion battery separators.