Water Contaminants TRIZ Cases

A nickel-based anode and copper cathode electrolysis device converts ammonia nitrogen into nitrogen gas through electrochemical oxidation.

An integrated two-compartment cell generates acid at the anode to mobilize contaminants, achieving 96% phosphorus release and 99% heavy metal removal.

Recycle solids from final liming stages to raise clarified liquid pH, reducing lime consumption and sludge impoundment while recovering phosphate values.

Basalt fiber carrier media in a baffled reactor create stable anaerobic bio-nests, reducing energy consumption and excess sludge production.

A titanium anode and Ti4O7 cathode separated by an electroactive gap reduce nitrate and PFAS while minimizing oxidant formation.

Lead acetate precipitates heavy metal anions in wastewater, achieving 99% removal and regulatory compliance.

Sequential manganese precipitation removes cyanide and oxalate from wastewater while recovering valuable metal resources.

Organic acid treatment agglomerates microplastics in liquid samples, preventing water pollution from inorganic acid residues.

A segmented water treatment process uses ion exchange loading followed by electrochemical destruction to remove target ions from source water.

Polymer coagulants form flocks with organic nitrogen and phosphorus compounds, replacing biological methods that struggle with low removal efficiency.

A controlled release adjunct delivers chelating agents and catalysts to enhance in situ bioremediation processes.

Composite flocculants coagulate fumed silica particles, resolving vessel adhesion and turbidity reduction challenges.

Electrodialysis with bipolar membranes transfers ammonium ions while vacuum membrane stripping separates gases, reducing energy consumption and chemical usage.

Anionic polymeric microparticles agglomerate suspended solids in phosphoric acid slurry to accelerate filtration speed.

Underpotential deposited copper on gold electrodes catalyzes selenate reduction to copper selenide, resolving inert species detection challenges.

Down pipes discharge aerated water into a flotation cell, eliminating orifice choking and reducing energy consumption during phosphate recovery.

Induction reagents convert residual chromium complexes into cationic forms for precipitation.

A water treatment agent combines potassium permanganate with a chelating agent to stabilize intermediate manganese species.

Microbial chain elongation generates hydrogen gas to sustain reductive dehalogenation of chlorinated pollutants while maintaining favorable pH conditions.

Ultrasonic-microwave heating reduces heavy metal sludge treatment time to 20 minutes, replacing slow water bath methods.

Surface-imprinted core-shell microspheres enable selective heavy metal ion separation, resolving particle size uniformity and surfactant requirements.

Electrocoagulation and neutralization convert aqueous carbon dioxide into stable carbonates, reducing energy consumption for wastewater reuse.

A modular electrocoagulation system uses micro bubbles to coagulate and separate industrial contaminants from wastewater streams.

Magnetic fields deflect nitrate and phosphate ions, preventing groundwater contamination from leaching.

Metal powder acts as a consumable electrode in an electrochemical reactor to generate coagulants for wastewater treatment.

A ME biocatalyst retains microorganisms within a solid polymer structure to achieve high bioactivity density in aerobic wastewater treatment.

A flexible liner with hydrophobic absorbent layers presses against borehole walls to capture non-aqueous phase liquids directly from the formation.

A water treatment apparatus uses an air-permeable layer to separate precipitated phosphorus compounds from untreated water.

Semi-batch aerobic granule formation stabilizes microbial aggregates through controlled feast and famine cycles.

Synthesizing ferrous phosphate from waste streams using pH adjustment to precipitate a stable vivianite compound.

A redox-mediated electrodialysis system separates ions from whey using reversible electrochemical reactions across exchange membranes.

Sulfur dioxide reacts with hydrogen sulfide in aqueous ammonia to form ammonium thiosulfate, eliminating contamination that reduces product value.

A mobile phosphorus recovery plant segments chemical treatment into independent modules for efficient extraction from sewage sludge.

A process recycles aqueous organic effluent as quench medium or dilution steam in ethylene dehydration.

A rapid leaching and dewatering system partitions PFAS contaminants from soil into a liquid phase for removal.

Calcium hydrate binds oil to separate it from water, preventing emulsion formation and shoreline contamination.

An electrokinetic filtration apparatus uses an electric field to block charged particles via ion depletion.

Turning flow paths force waste liquid contact with a catalyst to decompose hydrogen peroxide, eliminating sulfuric acid salt production and heat generation.

Layered metal hydroxy salts remove hexavalent chromium from water through anion exchange, reducing sludge generation and operational costs.

Deactivated Cunninghamella elegans biomass adsorbs up to 500 mg dye per gram, eliminating chemical treatment costs and environmental harm.

A boron-doped diamond anode drives electrochemical oxidation of aromatic nitro compounds in wastewater treatment cells.

Iron promoted activated alumina removes copper from water by exceeding ninety percent reduction, meeting regulatory limits where conventional sorbents fail.

A fluidized bed reactor uses zero valent iron and magnetite to remove selenate from aqueous fluids.

Anammox wastewater treatment system combines partial nitritation with anaerobic ammonium oxidation for nutrient removal.

A hydrophobic polyvinyl alcohol microbial carrier with foam cells enhances bacterial adhesion.

A sulfur-supported porous carbon catalyst converts selenocyanate to selenite in aqueous streams.

Molten alkali metal reductants destroy halocarbons via reduction, eliminating high-pressure hydrotreating costs and secondary waste streams.

Gravity-aligned filter element removes hydrocarbons from separated water, extending activated carbon service life.