exhaust emissions catalyst Articles
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Environmental exposure to platinum group elements released by automotive catalytic converters: the risk for children
The increasing use of Platinum Group Elements (PGEs) in vehicle exhaust catalysts causes their anthropogenic emission and spread all over the environment. The PGEs contamination initially occurs in airborne particulate matter, roadside dust, soil, sludge and water, and afterwards results in bioaccumulation in living organisms through diverse pathways. Several studies have reported enhanced PGE ...
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Catalytic Exhaust Emission Control of Small Internal Combustion Engines
ABSTRACT Gaseous emissions present in the engine exhaust of on-road motor vehicles are subject to stringent exhaust emission 2ontrol standards for carbon monoxide (CO), hydrocarbons, and oxides of nitrogen (NOx). All major automobile manufacturers utilize three-way catalytic converters to meet these standards. There are millions of small engines in on-road and off-road applications whose ...
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Controlling Pharmaceutical Coating & Drying Process Emissions
Capturing and destroying harmful emissions from pharmaceutical processes can be challenging. It’s not because the volatile organic compounds (VOCs) are difficult to destroy using catalytic or thermal techniques. It’s because their concentrations can be so high. These process streams raise safety concerns, both when they’re collected in vents and when they reach the final ...
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