Gas Treatment TRIZ Cases

ORP meter feedback controls sodium thiosulfate dosing in wet flue gas desulfurization to prevent peroxide generation and gypsum quality deterioration.

Alternating adsorption and desorption cycles recover sulfur dioxide from tail gas, reducing emissions below 10 ppmv without additional polishing equipment.

A glycol dehydration composition uses borate compounds and alkali metal carboxylates to maintain pH levels.

Liquid-liquid extraction using a carbon-based organic solvent separates pure CO2 from water without thermal desorption, reducing energy consumption.

Heating lignite coke with sulfur in an oxygen atmosphere enables reversible mercury binding, avoiding irreversible chemisorption and costly landfill disposal.

Pore-forming particles generate controlled macro porosity in manganese and copper desulfurization agents to remove sulfur species from process streams.

Segmented inert and molecular sieve layers protect zeolites from hydrothermal damage during cryogenic natural gas dehydration.

Staged solution composition control suppresses ammonia escape and aerosol production during ammonia desulfurization by optimizing pH and temperature.

Concentric ring-shaped filter layers with fluid-tight connections clean exhaust gas while managing high temperature and pressure conditions.

A sealing frame merges a silica gel drying layer with a sintered glass supporting structure to absorb moisture and block oxygen in OLED devices.

Triethylene glycol composite solvent minimizes steam vaporization and lowers total heat rate by 10-15% during CO2 absorption.

Cordierite ceramic filters balance high porosity and mechanical strength by controlling median pore diameters and thermal expansion coefficients.

A nested center pipe design enables independent replacement of dual filter stages while eliminating separate component waste.

A radial seal air filter uses asymmetric alignment portions to ensure proper engagement between the filter element and housing.

A composite sorbent removes hydrogen halides from hydrocarbon streams using a reaction product of solid alkali metal carbonate and rehydratable alumina.

A waterless smoking apparatus uses a mechanical pump to create vacuum pressure for smoke accumulation within a sealed chamber.

Transverse check valve placement protects against mechanical loads while nested desiccant housing minimizes cartridge diameter for commercial vehicles.

Segmenting filtration into upstream and downstream modules increases operating temperature, enabling passive soot oxidation while lowering exhaust backpressure.

High-pressure vacuum source extracts waste through a manifold and material collector.

A sulfur recovery process uses sequential hydrogenation and direct oxidation steps to convert H2S into elemental sulfur.

Heating cement kiln dust volatilizes mercury, which alkaline-earth metal polysulfide treating fluid removes to prevent atmospheric release during recycling.

An absorber-heat exchanger assembly exchanges thermal energy between mixed and lean solvent streams to cool the process.

Segmented membranes with oxygen blocking layers remove carbon dioxide while controlling water permeation to maintain system reliability.

Multi-stage ammonia decarbonization controls temperature across four absorption stages to increase CO2 loading while reducing ammonia escape.

A coupling bioreactor uses suspended polyethylene carriers to degrade pollutants via microbubble aeration.

Segmented autonomous units with piezoelectric pumps reduce energy consumption while maintaining high productivity.

Alternating organic-inorganic layers enable high gravimetric capacity for halogen capture without relying on porous void space.

A spiral tube reactor uses Joule heating to drive hydrocarbon pyrolysis, separating solid carbon particles from the resulting gas stream.

Heating ammonium sulfate solution dissolves potassium chloride to precipitate large filterable crystals, reducing ammonia losses and equipment size.

A method producing NOx removal catalysts using a calcined ZrO2 and TiO2 composite support with supported tungsten oxide.

Plasma reactor catalyst reduces ozone and NOx levels while inactivating biological organisms.

A three-way conversion catalyst coats a particulate trap to capture soot and treat exhaust gases in gasoline direct injection engines.

Nitrogen-doped titanium dioxide enhances photocatalytic activity to oxidize airborne contaminants like benzene and formaldehyde in aircraft cabins.

A conversion method transforms calcium-based flue gas desulfurization systems into ammonia-based operations using modified reagent and absorber subsystems.

Decomposing nitrate feedstock avoids chloride contamination in metal oxides while cooling furnace gas recovers nitric acid.

Heating reduced platinum to 650°C stabilizes NO2 generation, resolving variability that complicates downstream emissions control calibration.

Spherical guard bed material with deposited silver removes alkyl iodide impurities from recycle gas streams.

A plugged honeycomb structure uses partial cell plugging to maintain filtration area.

An integrated transalkylation reactor combines C9 dealkylation with xylene isomerization to maximize benzene and para-xylene production.

A hydrocarbon reclamator uses a magnetic suspension to drive a catalytic Tesla turbine for fuel synthesis.

Iron-doped manganese oxide filtration media removes ammonia and sulfur dioxide by maintaining high surface area and porosity.

Blind flange drainage members bridge concrete walls and linings to detect leaks without interfering with casting.

Segmenting the gas stream allows partial oxidation of nitrogen oxides with ozone, reducing chemical usage while minimizing secondary emissions.

Ion exchange creates atomically dispersed transition metals in zeolite micropores, preventing aggregation and enabling high-capacity passive NOx adsorption.

Plasma source regenerates VOC adsorbers using hydroxyl radicals from desorbed water, eliminating thermal heating energy.

Persulfate oxidation stabilizes mercury removal under fluctuating loads while reducing additive consumption.

Small pore molecular sieve supported copper catalyst resists thermal durability loss during lean rich cycling.

A catalytic membrane reactor oxidizes gas phase contaminants through tubular inorganic membranes.

Integrating the sieve bed as a load-bearing chassis element reduces device complexity and manufacturing cost.

A filter cleaning apparatus directs pressurized fluid through nozzles to dislodge contaminants from the filtering medium.