Emission Prevention TRIZ Cases

See how a catalytic converter and algae bioreactor convert harmful CO to CO2, capture thermal e

Captured flue-gas CO2 is compressed and injected from an offshore power platform into a nearby subsea reservoir, avoiding transport and liquefaction.

Series CO oxidation and SCR catalysts extend gas turbine operation down to 40% load while keeping stack emissions compliant.

Catalytic oxidation converts NO to NO2 at moderate oxygen levels, enabling faster oxidative scrubbing of NOx with lower cost and retrofit fit.

Tracks how long a heater runs above a power threshold, then lowers output to keep room carbon monoxide within safe limits.

Calcium carbonate particles cool the lime kiln flame and filter thermal radiation, cutting NOx while protecting refractory tiles.

Fluidized bed mixing accelerates CO2 absorption in heavy slag, reducing pH and ecotoxicity for safe non-dangerous waste disposal.

Integrating a low velocity aerosol filter with an absorption tower eliminates the need for separate mist filters while achieving high SO2 removal efficiency.

A heat exchanger between desulphurization and carbonation units recovers thermal energy from flue gas.

Segmenting absorbing solutions across distinct temperature zones in the absorber improves CO2 capture efficiency while managing energy consumption.

A heavy fuel boiler system adjusts air feed rates to maintain a specific unburned carbon to sulfur ratio in fly ash.

Segmenting the boiler into modules lowers the flue gas recycle ratio from 70% to 30%, boosting plant efficiency by over 3 percentage points.

Segmenting the economizer into main and sub units allows heat recovery after NOx removal without compromising catalyst performance.

A variable exhaust regulator bypasses a heat exchanger to supply high temperature exhaust gas directly to an SCR device.

Heating fumes to 150°C enables ammonia reduction over a catalytic filter, lowering NOx emissions while controlling ammonia slip.

Adjustable combustion nozzles modulate fuel and oxidant ratios to destroy semiconductor exhaust gases efficiently.

Segmented primary and secondary processing chambers remove inorganic, organic, and particulate contaminants from product gas streams to drive a steam turbine.

Bromine-containing sorbents with restricted alkali content capture mercury and sulfur oxides while preventing furnace fouling.

Continuous feeding and rapid quenching below 200°C prevent dioxin reformation while recovering thermal energy for comprehensive utilization.

An air-cooled injection lance with oblong injectors atomizes reducing agents into flue gas streams.

Thermal extraction burns native metals in ash samples, eliminating false positive detection of harmless elemental particles during analysis.

Plasma combustion and ultrasonic mist generation destroy dioxins and particulate matter in flue gases.

Preheated primary combustion gas enables staged air supply to oxidize sulfur compounds in odor gas while minimizing nitrogen oxide emissions.

A combustion system recycles dehumidified fumes with oxygen to produce a controlled oxidizing gas mixture.

Injecting sulphate sludge with coal dust precipitates barium as insoluble sulfate within the combustion chamber.

Parallel thermal connections between the air separation unit and condensate heaters maximize net energy transfer across varying plant loads.

Angled lance injects reagents through a protective end plate, reducing nozzle caking in high-dust cement kilns.

Real-time PLC control adjusts magnesium nitrate dosage to reduce SO3 concentrations and prevent slagging in industrial boilers.

Segmented pyrolysis reduces solid residues from 30% to 15% while increasing energy yield through fraction-specific drying and gasification.

Merging capture and injection on one marine platform eliminates transport energy consumption while reducing the overall carbon footprint of power generation.

Vertical exhaust redirection via insulated tube prevents fatal carbon monoxide buildup near generators.

Hot exhaust gas slip streams decompose aqueous urea to ammonia in a continuous duct, preventing solid byproduct fouling and heat enthalpy loss.

Merges flue gas recovery units with the steam cycle condensate lines to eliminate energy wastage and improve plant thermal efficiency.

An NOx emissions controller adjusts exhaust temperature to maintain an optimal nitrogen dioxide ratio for selective catalyst reduction.

Heat recovery systems transfer thermal energy from solvent streams to feedwater, reducing waste heat and increasing electricity generation.

An oxyfuel boiler oxygen supply pipe mixes combustion exhaust gas with pure oxygen to prevent backfires caused by high oxygen concentrations during startup.

A boiler cools flue gases with an upstream heat exchanger to enable nitrogen oxide reduction.

In-situ limestone injection converts harmful sulfur dioxide into gypsum, eliminating expensive downstream desulfurization costs.

Recirculating cooled radiant tube exhaust gases into directly fired furnaces lowers peak combustion temperatures.

A heating device adjusts flue gas temperature to regenerate the oxidation catalyst, solving fouling and low-temperature NOx reduction limits.

Staged pressurized boilers eliminate flue gas recycling to protect heat exchangers, boosting power plant efficiency while capturing CO2.

A flue gas reheat system channels working fluid through electrostatic precipitators to mix with exhaust streams.

Radial gas flow in a rotating monolith reactor minimizes leakage and abrasion, ensuring reliable CO2 separation without pulsed streams.

Integrating SOFC/GT, CO2, and ORC cycles to utilize LNG cold energy.

Preheating humidified gas with low-temperature waste heat reduces NOx emissions while maintaining fuel efficiency in industrial furnaces.

A reaction chamber heats paint deposits to gasify them while a catalytic after-burner converts the resulting fumes into harmless compounds.

A flue gas cooler maintains temperature between 90 and 140 C to condense SO3 for removal by a dust remover.

Porous mineral foam sequesters up to 20% of CO2 by weight via post-formation carbonation, resolving industrial scalability constraints in cement manufacturing.

A dry particulate fuel feed system adjusts moisture and grinds coal to enable high pressure pneumatic conveyance directly into a gasifier.

A thermal installation uses a condenser and heat exchanger to recover energy from combustion gases.

Removes sulfur trioxide upstream of the air preheater using chemical reagents, preventing fouling and enabling higher heat recovery.