AIR POLLUTION CONTROL EQUIPMENT SELECTION GUIDE - CHAPTER 1 doc

... Schifftner, Kenneth C. Air pollution control equipment selection guide / Kenneth Schifftner. p. cm. Includes index. ISBN 1- 5 8 71 6-0 6 9-2 (alk. paper) 1. Air Purification Equipment and supplies. ... CRC Press LLC chapter 1 Air pollution control 10 1 Having spent more than 30 years in the air pollution control industry, I am still amazed by how t...

Ngày tải lên: 11/08/2014, 09:21

... 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 ... shows the basic components of an above-ground biofilter. It consists of a preconditioning and humidification chamber to raise the gas relative humidity to 10 0%, a gas distribution system or head...

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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...

Ngày tải lên: 11/08/2014, 09:21

... 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. ... cap...

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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 ... Figure 10 .1 diagrammatically shows the action of the media. Figure 10 .1 Nutating fluidized media (Euro-matic Ltd.). SCAULDING LIQUID POLLUTED GAS © 2002 by CRC Press...

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... protonates the ammonia to NH 4 . The essential chemistry is NH 3 + -X → (with moisture) X-NH 4 + (15 .11 ) NO 2 + –Y → X-NO 2 (15 .12 ) The adjacent sites hold the ammonia and NO 2 in proximity, where ... following form. (15 .8) For example, 10 0 ppm NO x measured at 5.3% O 2 works out to be about 11 5 ppm corrected to 3% O 2 , for example, 10 0 × (20.9 – 3)/(20.9...

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... Figure 18 .1 Mikrovane scrubber (Hokosawa Mikropul). Clean Gas Outlet Scrubbing Liquid Inlet Dirty Gas Inlet Slurry Outlet Scrubbing Vanes Spray Wetted Fan Wheel © 2002 by CRC Press LLC chapter ... producing relatively large particulate. At higher pressure drops (above 10 15 inches water column), cage type units have been used on non-ferrous metals remelt furnaces to remove residu...

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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 ... 40 35 30 25 20 15 10 5 WT % PPM bv 5,000 10 ,000 at 75° F TOLUENE ETHYL ALCOHOL ACETONE TOLUENE AT 200°F © 2002 by CRC Press LLC These designs are often used for tank vent...

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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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... Figure 8 .10 shows a Brinks fiberbed mist eliminator. Figure 8 .10 Brinks mist eliminator (Monsanto Enviro-Chem Systems, Inc.). © 2002 by CRC Press LLC Figure 8.6 10 00 ACFM on five-station ... 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.)....

Ngày tải lên: 11/08/2014, 09:21