selective catalytic reduction catalyst Articles
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Design of a dual-bed catalyst system with microporous carbons and urea-supported mesoporous carbons for highly effective removal of NOx at room temperature
Abstract A dual-bed catalyst system is designed to remove NOx at room temperature, which consists of a microporous spherical activated carbon (SAC) layer and a urea-supported spherical mesoporous carbon (SMC) layer. The SAC layer, with plenty of narrow micropores acting as a nano-cage for NO adsorption, could improve the oxidation of NO into NO2, while the urea-supported SMC layer with large ...
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Tri-Mer catalytic ceramic filters use glass emissions filter technology with nano-bits of SCR catalyst embedded in the walls - Case study
Filters are placed in housings and operate similarly to a “reverse pulse jet ceramic baghouse.” The filters are 10' long and 6" wide, with a wall thickness of approximately ¾ inch. Learn more information about Tri-Mer&rsquos;s hot gas filtration. The micronized catalyst offers a larger surface area for reaction than conventional SCR, with virtually no diffusion ...
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What are the useful exhaust gas treatment equipment in the factory?
Several types of equipment are used to treat factory exhaust, depending on the specific pollutants that need to be removed. 5 common types of fee processing equipment 1. Wet scrubber: wet scrubber is a type of air pollution control device that uses a liquid (usually water) to remove pollutants from a gas stream. The gas stream is forced through a mist or spray of the liquid, which captures the ...
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The chemical aspect of NOx scrubbing, pollution engineering
With the passage of the 1990 Clean Air Act Amendments, many chemical and metal industries and utility producers will now be required to further limit the amount of NOx (Nitrogen Oxides) produced. NOx is a precursor to ozone in the atmosphere, and is believed to be a major contributor to acidic deposition (acid rain). Formation of ozone: NOx is produced in a variety of different processes, ...
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