AIR POLLUTION CONTROL EQUIPMENT SELECTION GUIDE - CHAPTER 15 docx

... An elec- tron from the surface is required to balance the reaction. X-NH 4 + + Y-NO 2 + e – = X-Y + N 2 + 2 H 2 O (15. 13) Operating/application suggestions A properly designed NO x control ... 1800°F, ammo- nia dissociates to form NH 2 . NH 3 = NH 2 + H (15. 9) NH 2 is a short-lived and very reactive species that reduces NO to nitro- gen and water. NH 2 + NO = N 2 + H 2 O. (15. 1...

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... Schifftner, Kenneth C. Air pollution control equipment selection guide / Kenneth Schifftner. p. cm. Includes index. ISBN 1-5 871 6-0 6 9-2 (alk. paper) 1. Air Purification Equipment and supplies. ... Welcome to the Air Pollution Control Equipment Selection Guide . The selection of air pollution control hardware can be a daunting task. There are li...

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... Sutcliffe Corp.). STRIPPED AIR EXHAUST STRIPPED AIR EXHAUST STRIPPED AIR EXHAUST STEAM KEY SOLVENT LADEN AIR SOLVENT FREE AIR STEAM DRYING & COOLING AIR RECOVERED SOLVENT WATER MIXTURE ADSORBER ... carbon types (peanut shell-based, coconut shell-based, mineral carbon-based, etc.), each exemplifying specific pore size and area characteristics. The adsorption iso- therms are used...

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... Biofilters are often used to control the emissions of water-soluble or condens- able hydrocarbons (such as alcohols), phenols, aldehydes such as formalde- hyde, odorous mercaptans, organic ... the biofilter adhere to is called biomass . This biomass may be cellulose or similar wood-based mate- rial, peat, carbon (or charcoal), straw, waste organic material, or plastic material (li...

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... air load test can be plotted creating a volts vs. amps (V-I) chart. The airload V-I chart can then be compared to that achieved during operation. Most modern voltage controls contain an auto- matic ... Inside the cabinet is a voltage control and silicon control rectifier. The voltage control flow of current through the silicon control rectifier. Current from the silicon control recti...

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... CRC Press LLC Air- to-cloth ratios are only guidelines. Many other factors affect perfor- mance. For example, the aspect ratio evaluates air- to-cloth ratio as it relates to dirty air velocities ... compartmentalized off-line cleaning system, air- to-cloth ratio is a much less important factor as no process air is flowing into the filters. Cleaning off line is very easy at any air- to-...

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... are economically controlled by fiber- beds. This application is similar to lube oil reservoir vents. Figure 8.5 30,000 ACFM system on tenter frame (Advanced Environmental Sys- tems, Inc.). ... using three basic mechanisms: impaction, intercep- tion, and Brownian diffusion. Impaction and interception are popular mech- anisms used in various gas-cleaning devices. Brownian diffusion, however...

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... pad is run at a higher speed so some of its liquid agglom- erates and entrains from the lee side of the pad, thereby wetting the down- stream pad without overloading it with liquid. The first ... CRC Press LLC chapter 9 Filament (mesh pad) scrubbers Device type Filament or mesh pad type absorbers have proven themselves very effective in the absorption of water-soluble gases. ... Thi...

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... electrostatic pre- cipitators) 7. Fluorine abatement (scrubbing with pond water in the fertilizer in- dustry) 8. Stripping volatiles from dirty water 9. Acid gas control 10. Ammonia absorption 11. Bio-slurry ... size, low-to-moderate cost, and the ability to absorb gases while resisting plugging. Common applications include: 1. Pulp mill bleach plant chlorine and chlorine dioxide control...

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... or contam- inant gas removal. Mechanically aided scrubbers are generally used for dust control involv- ing particulate larger than approximately 10 µ m diameter and at low load- ings (below ... focus to low- to medium-energy Venturi scrubbers on many applications that had been dominated by mechanically aided designs. Typical applications and uses These designs are used to control...

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