Water Contaminants TRIZ Cases

A hydrophilic resin adsorbs radioactive iodine through ion bonding to immobilize the substance within a solid matrix.

N-hydroxycarboxamide compounds inhibit sulfide production by targeting sulfate-reducing bacteria under anaerobic conditions.

Extractive equipment mixes orimulsion wastewater with a solvent to form a distinct oil-rich phase for natural gravity separation.

Surface sulfidation of zero-valent iron eliminates noble metal catalysts while achieving a 60-fold increase in trichloroethene dechlorination rates.

Sulfur-loaded porous adsorbent captures selenium compounds from aqueous streams through direct contact and surface adsorption.

Forward osmosis draws purified water from treated urine using a fortified drink, eliminating the need for heavy storage tanks and overboard dumping fittings.

Composite material combines amyloid fibrils with activated carbon to adsorb metal ions, achieving 95% reduction of impurities in a single step.

Passive wetland treatment reduces energy consumption and operating costs while enabling organic certification for sustainable aquaculture.

Segmented micro-lamellae increase surface area to improve current efficiency while reducing investment costs associated with boron-doped diamond electrodes.

An immersion type rotating packed bed reactor circulates materials through a rotor filler to enhance mass transfer and reaction rates.

A dental waste containment system uses a settling canister to remove solid contaminants from fluid waste before storage.

Alkali waste water flows through copper supply pipes to chemically dissolve accumulated sludges and prevent corrosion.

Excavated surface ponds concentrate contaminated groundwater for direct adsorbent treatment, bypassing complex pump-and-treat systems.

Anaerobic digestion coupled with ion reaction recovers methane, nitrogen, and phosphorus from organic waste.

Layered anion adsorbent material captures toxic ions through electrostatic attraction within a porous framework.

Computer-based system configures emergency response instrumentation using real-time scenario data and performance scores.

Three-chamber electrochemical cell recovers ammonia from wastewater using selective ion exchange membranes, replacing energy-intensive biological aeration.

Methanol-based room-temperature synthesis of UiO-66(Zr) eliminates toxic DMF and complex activation steps.

Ultrafiltration and reverse osmosis remove polymers from drainage, reducing energy consumption and scale formation during solvent recovery.

A polymer platform with thiol groups binds mercury and releases protons to catalyze deprotection reactions for sensitive detection.

Air insufflation strips dissolved gases from pool overflow water while suction holes capture volatiles at the breath zone.

Extracting polyaromatics via liquid-liquid partitioning prevents equipment fouling during steam generation in ethylbenzene dehydrogenation.

Phosphate precipitants remove titanium and iron ions from spent sulfuric acid, avoiding solid waste from neutralization.

A single-stage nitrogen removal system couples partial denitrification and anammox to resolve substrate competition between bacterial populations.

A maze structure with adsorbent agent increases contact time between aqueous solution and activated carbon to extract soluble substances.

Segmented electrolytic cell recovers copper from low-grade ores using ion-conductive membranes to eliminate toxic sludge.

Treating wet-process phosphoric acid with a solid adsorbing material and complex reagent reduces cadmium content while minimizing hazardous waste generation.

Lanthanum hydroxide particles adsorb phosphorus from sewage streams.

Multi-layer boron-doped nanocrystalline diamond electrodes reduce power consumption while effectively mineralizing non-biodegradable water contaminants.

A composite electrode with immobilized inorganic materials selectively adsorbs target ions from wastewater using applied voltage.

Enzymatic fungal composites convert petrochemical contaminants into inert compounds, solving the trade-off between absorption capacity and active remediation.

Forward osmosis and nanofiltration membranes concentrate lithium from brine, reducing land area and energy consumption compared to solar evaporation.

Segmenting absorbent material into a horizontal planar array reduces flow impedance while maintaining selective removal of dissolved species from flowing water.

Parallel inductive paths enable simultaneous charge transfer across multiple capacitors, reducing regeneration time and power dissipation losses.

A heat-integrated distillation process recovers amide compounds from waste liquid using thermal energy circulation.

Alkaline earth metal oxides break down persistent halogenated compounds via chemical reaction, lowering energy consumption compared to thermal decomposition.

Sludge adsorbs phosphonates from membrane filtration waste, lowering coagulant use and enabling sludge reuse.

Halophyte plants remove salts and ions via evapotranspiration, avoiding thermal scaling and high power consumption.

Adjusting sludge pH mobilizes ionizable organic contaminants for extraction, reducing the leachable fraction of pollutants in treated material.

A dual-layer zeolite membrane separates water from mixtures using a pressure gradient across distinct Si/Al ratio layers.

Calcium nitrate and sodium nitrite additions control denitrifying bacteria to minimize hydrogen sulphide formation while protecting methane production.

Alkaline aeration converts organically bound halogens into inorganic forms, reducing absorbable organically bound halogen values below 100 mg/l.

Expanded clay aggregates loaded with palladium and iron catalyze reductive dechlorination of halogenated compounds in water.

Placing a nanofiltration test unit at 500 meters depth quantifies biofouling risks under real hydrostatic pressure, extending operational life.

A polycyclic azide desulfurizer removes hydrogen sulfide from natural gas field sewage using a triazine-based composite system.

Calcium-rich bioactive glass releases ions to precipitate fluorite, resolving the trade-off between capture efficiency and environmental harm.

Chemical precipitation forms copper sulfide electrodes that remove copper ions while preventing secondary pollution and membrane fouling.

Vertical rock columns with high ammonia adsorption capacity enable rapid nitrogen removal while eliminating energy-intensive aeration requirements.

A rotating cored biological treatment device uses detachable packing columns to enhance denitrification efficiency in wastewater systems.