Contaminated Soil Reclamation TRIZ Cases

Calcium sulfide and trisodium phosphate convert mercury into insoluble sulfides, eliminating toxic vapor generation from thermal methods.

Heterocondensate binder with metal alkoxides prevents rapid decomposition in high-pressure environments.

A rotary drum reactor circulates heated thermal medium through internal pipe bundles to enhance heat transfer in contaminated soil.

A single power supply activates cascaded electron tube stages by propagating voltage through series connections, eliminating complex multi-supply systems.

Distributed heating elements and dynamic water injection maintain uniform soil temperature, reducing energy waste from large temperature differences.

Electric heating tips vaporize soil pollutants in situ, eliminating mechanical excavation costs and environmental nuisances.

Hydrogen peroxide oxidizes soil contaminants without additives or pH adjustments.

Segmented oxidant candles with integrated pneumatic circulators prevent rapid chemical migration in low permeable zones via controlled diffusion.

Warmed cleaning liquid separates contaminants from soil particles, reducing toxicity and enabling effective microbial decomposition.

A countercurrent washing tank separates sand from mud using opposing water flows to clean contaminated soil.

Integrated crushing and electrode system separates copper and nickel ions from contaminated soil.

Directional boring installs permeable reactive barriers in subsurface boreholes to treat groundwater contaminants.

Insoluble uric acid releases nitrogen slowly to overcome rapid leaching losses, lowering operational costs while maintaining biodegradation rates.

Segmenting the sensor and nozzle along the rod prevents decontamination agents from damaging sensors, ensuring accurate measurement and precise dosing.

High conductivity well fills create flow-focusing to treat contaminants in low hydraulic conductivity aquifers without high injection pressures.

A heat pipe-enhanced thermal desorption reactor transfers heat to contaminated soil via direct air contact and indirect conduction.

A soluble calcium composition stabilizes soil aggregates and enhances water infiltration through ion exchange mechanisms.

Dual floats position a suction tube between sensors to recover supernatant while preventing air or water aspiration into the pump.

Heating activator liquid lowers its density relative to groundwater, allowing buoyant upward migration to reach low-density contaminants above the water table.

Segmented fluorescence markers enable accurate concentration estimation of mixed purification agents in groundwater without increasing device complexity.

Self-sustaining smouldering combustion destroys non-aqueous phase liquids in situ, eliminating continuous external energy input and reducing operational costs.

Cross-linked hydrogel encapsulation stabilizes fungal ligninolytic enzymes for controlled release and effective breakdown of recalcitrant environmental pollutants.

Liquid carbon dioxide desorbs organic contaminants from fine-grained soils, eliminating dust and high energy consumption associated with thermal methods.

Segmented heaters in a movable soil chamber ensure uniform heating, resolving installation complexity and uneven contaminant removal.

Adjusts oxidant flow rates to propagate a mobile combustion front, eliminating multiple ignition points and lowering energy costs.

Conveyors and sprayers saturate contaminated soil with hydrogen peroxide, reducing fuel consumption from truck transport.

Composite green sorption media removes nutrients from wastewater via adsorption and ion exchange, addressing nitrate mobility in soil.

A smoldering combustion method manipulates fuel and oxidant rates to remove recalcitrant compounds from porous media.

A polyol-based cleaning process removes contaminants from recyclable materials at moderate temperatures without corrosive solvents.

A direct contact condenser recirculates an oil-water emulsion to capture fine solids from vapor streams.

A remediation system generates and delivers five distinct gas products through a centralized distribution manifold to contaminated soil zones.

Chemical flushing extracts contaminants from soil matrix while pyrolysis decomposes gas-phase fractions, eliminating mechanical excavation.

Twisting expands segments to boost anchorage in wet sand while allowing easy withdrawal by collapsing the cups.

Targeted injection of humus suspension with specific bacterial strains decomposes soil contaminants, eliminating energy-intensive heating requirements.

Agitation unit mixes ozone with contaminated soil to oxidize hydrocarbons, resolving the trade-off between treatment effectiveness and time.

Field tests determine diffusion radii to partition contamination zones, optimizing oxidant dosing ratios and reducing costs.

Alkaline ultrasonic washing desorbs arsenic from soil while magnetic separation removes iron oxides, preventing re-adsorption.

Flash Joule heating decomposes organic pollutants and volatilizes heavy metals in contaminated soil, eliminating multi-step chemical processes.

A radiative polarity conversion apparatus mobilizes perfluoroalkyl substances from porous media using controlled thermal energy transfer.

Horizontal electrode arrays mobilize soil contaminants via electromigration and Joule heating, addressing low permeability limitations.

Periodic drip cycles prevent soil dry-out while minimizing water usage, avoiding steam quenching that reduces heating efficiency.

Dielectric carbon nanomaterials absorb microwave radiation to heat contaminated soil and volatilize hydrocarbons.

Disposable plastic membrane discs replace pneumatic packers to isolate modular filter units, eliminating complex underground pump installations.

Catalysts construct a biological energy matrix that drives hydrosynthesis and humus formation, reversing soil nutrient depletion and desiccation.

Alkaline reagent chelates subsurface metals to catalyze peroxide decomposition, converting halogenated contaminants in clayey ground media.

Zero-valent metal and biochar composition decomposes ammonium nitrate non-explosively, eliminating hazardous byproducts while maintaining rapid reaction speed.

Induction heating in a solids heat exchanger vaporizes hydrocarbons from drill cuttings, reducing oil content below 0.5% for on-site disposal.

Vertical filter units separated by a watertight swelling material layer to prevent hydraulic short circuits in groundwater purification shafts.

A biological restoration process uses indigenous bacteria to precipitate uranium and selenium from groundwater.

Zero-valent iron immobilizes toxic chelates in soil slurry, reducing emissions of metals and EDTA into subsoil.