Reactor Trap To Remove Hydrocarbons from Engine Exhaust during Cold Start

• Published in: Environmental science & technology Vol. 28; no. 8; pp. 1561 - 1564
• Main Authors: Yang, Barry L, Kung, Harold H
• Format: Journal Article
• Language: English
• Published: Washington, DC American Chemical Society 01.08.1994
• Subjects: 330704 - Emission Control- Hydrocarbons; 400201 - Chemical & Physicochemical Properties; ADSORPTION; ADVANCED PROPULSION SYSTEMS; AIR POLLUTION CONTROL; ALKANES; ALKENES; ALKYLATED AROMATICS; ALUMINIUM COMPOUNDS; ALUMINIUM OXIDES; Applied sciences; AROMATICS; Atmospheric pollution; AUTOMOBILES; CARBON COMPOUNDS; CARBON DIOXIDE; CARBON MONOXIDE; CARBON OXIDES; CATALYSTS; CATALYTIC CONVERTERS; CHALCOGENIDES; CHEMICAL REACTIONS; CHROMIUM COMPOUNDS; CHROMIUM OXIDES; COBALT COMPOUNDS; COBALT OXIDES; CONTROL; ELEMENTS; Emissions; Exact sciences and technology; EXHAUST GASES; FLUIDS; GASEOUS WASTES; GASES; HELIUM; HYDROCARBONS; INORGANIC ION EXCHANGERS; INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; ION EXCHANGE MATERIALS; IRON COMPOUNDS; IRON OXIDES; MATERIALS; MINERALS; NONMETALS; ORGANIC COMPOUNDS; OXIDATION; OXIDES; OXYGEN; OXYGEN COMPOUNDS; Pollution; POLLUTION CONTROL; POLLUTION CONTROL EQUIPMENT; Prevention and purification methods; PROPANE; PROPYLENE; RARE GASES; REMOVAL; SILICATE MINERALS; SORPTION; TOLUENE; TRANSITION ELEMENT COMPOUNDS; Transports and other; VAPORS; VEHICLES; WASTES; WATER VAPOR; ZEOLITES; Performance evaluation; Propene; Hydrocarbon; Toluene; Starting; Exhaust gas; Oxidation; Motor vehicle; Metal Oxides; Zeolite; Flue gas purification; Propane
• ISSN: 0013-936X; 1520-5851
• DOI: 10.1021/es00057a028

The concept and the performance of a device to remove hydrocarbons from engine exhaust during cold start were described. The efficiency of the device was found to be suppressed by the presence of water vapor.