Closed-loop feedback control of ionic mercury and ORP levels reduces re-emissions while lowering operating costs.
Aqueous sulfurous acid absorbs nitrogenous compounds from gas streams to produce ammonium ions for fertilizer synthesis.
Amine absorbents use halogen-free surfactants to suppress volatile compound release, preventing atmospheric contamination during CO2 recovery.
Segmented hydrogen sulfide removal and acid gas enrichment systems reduce equipment size and operational costs while maintaining high separation effectiveness.
Acid treatment converts non-reactive amide groups back to active amino forms, restoring gas adsorption activity lost during large crystal synthesis.
A burner assembly uses a catalytic washcoat on the connecting tube to reduce NOx, CO, and hydrocarbon emissions generated during SCR catalyst pre-heating.
A diesel particulate filter system adjusts regeneration temperature based on differential pressure and flow rate to prevent cell melting.
A gold-plated filter removes mercury from high-purity gases using amalgamation.
External bleed element shells capture fuel vapors from vapor canister sidewalls.
Nitrogen-modified divinylbenzene sorbents remove formaldehyde vapors without complex mechanical structures.
A combination catalytic converter integrates SCR, ammonia slip, and oxidation layers to treat diesel exhaust gases.
Agglomerating SO3 mist particles captures entrained amine absorbent, suppressing substance loss and reducing replenishment needs.
Composite material combines recycled concrete aggregates with porous carbon to enhance gas absorption capacity.
Porous concrete sequesters carbon dioxide and coal ash through physical adsorption, ensuring stable long-term storage without high pressure maintenance.
Coaxial support tubes create a gap space for thin gas spreading, reducing mechanical stress and minimizing palladium usage.
A movable emissions control system captures and treats diesel engine exhaust via a telescoping duct.
Integrated reaction condensing heat exchanger captures water vapor from combustion flue gas through phase change.
A filter module with a bypass channel prevents thermal overload by maintaining airflow when the primary filter layer becomes clogged.
A gas capture system circulates a liquid sorbent between reactors to absorb and release target gases while reducing regeneration energy costs.
A vanadium-based selective catalytic reduction catalyst uses a titania-supported coating mixed with iron, erbium, bismuth, and antimony oxides.
Burn hydrogen sulfide exhaust gases in a steam generator to produce steam and drive a turbine for electricity generation.
A carbon dioxide separation apparatus recovers thermal energy from hot solvent streams using integrated heat exchangers.
Replacing expensive zeolite Y with disposable amorphous silica-alumina reduces synthesis costs while maintaining CHA crystal purity.
Optical detection using a shape-changing hygromorphic element monitors humidity without expensive sensors, enabling timely desiccant replacement.
Core-shell sorbents resolve the trade-off between attrition resistance and mercury capture efficiency by concentrating copper in a protective coating layer.
Upstream coalescing filter protects desiccant from liquid contaminants, extending service life while simplifying structural complexity.
A controller determines ammonia storage surface coverage on an SCR catalyst to generate reductant dosing commands.
Variable pitch expanded metal sheets prevent nesting when rolled, maintaining filtering efficiency and low backpressure in automotive airbag inflators.
A pressure boosting unit pressurizes product gas using purge gas energy.
Serrated weir distribution overcomes non-uniform gas-liquid contact in bleaching towers, reducing stripping gas usage.
Simultaneous crystallization of carbonate and amino acid salts reduces device complexity and clogging risks.
A multistage gas-liquid separation system uses sequential cooling and vapor-liquid separators to isolate hydrocarbon fractions from Fischer-Tropsch reactor streams.
Centrifugal separation reduces pollutant carryover and equipment scaling while minimizing waste volume in exhaust gas cleaning systems.
Integrating scrubbing, dust removal, and cooling into one compartment reduces ductwork length and energy losses in aluminum production exhaust.
A laser source ablates the outer periphery of a wet green ceramic extrudate to form precise cuts without mechanical contact.
Segmented pore regions in a wall flow filter absorb catalysts in small pores, suppressing pressure loss rise during exhaust purification.
A graphene-ceramic nano-composite filter adsorbs toxic compounds from cigarette smoke.
Reusing partially consumed triazine scavenger reduces processing costs while managing trithiazine precipitate build-up in natural gas systems.
A closure plate engages the downstream side of a gas turbine filter frame to block fluid flow during maintenance.
Chemical reaction of oxalic acid and permanganate with high-molecular flux components reduces condensation temperatures to prevent wall depositions.
Metal-promoted zeolites with silica-alumina washcoats maintain nitrogen oxide conversion efficiency and hydrothermal stability across wide temperature ranges.
High-temperature rotary kiln treatment removes heavy metals from contaminated spent carbon, reducing waste mass by 50% for compliant landfill disposal.
Gradient porosity in bonding layers provides stress relaxation, preventing cracks during thermal shock.
An ammonia injection grid integrates sound adsorption material to suppress noise during selective catalytic reduction.
Porous calcium hydroxide composition captures atmospheric carbon dioxide through spontaneous chemical transformation into calcium carbonate.
Different washcoat formulations in SCR catalysts improve NOx conversion across operating conditions.
A single adsorption bed combines catalytic ozonation with in-situ regeneration to treat waste gases containing low-concentration volatile organic compounds.
Cavitation accelerates CO2 reaction with alkaline earth metals, eliminating energy-intensive mining and transport steps.