AIR POLLUTION CONTROL EQUIPMENT SELECTION GUIDE - CHAPTER 15 docx
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...
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 1-5 871 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...
AIR POLLUTION CONTROL EQUIPMENT SELECTION GUIDE - CHAPTER 2 ppt
... 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...
AIR POLLUTION CONTROL EQUIPMENT SELECTION GUIDE - CHAPTER 3 doc
...
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...
AIR POLLUTION CONTROL EQUIPMENT SELECTION GUIDE - CHAPTER 5 doc
... 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...
AIR POLLUTION CONTROL EQUIPMENT SELECTION GUIDE - CHAPTER 7 pptx
... 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-...
AIR POLLUTION CONTROL EQUIPMENT SELECTION GUIDE - CHAPTER 8 potx
... 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...
AIR POLLUTION CONTROL EQUIPMENT SELECTION GUIDE - CHAPTER 9 doc
... 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...
AIR POLLUTION CONTROL EQUIPMENT SELECTION GUIDE - CHAPTER 10 doc
... 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...
AIR POLLUTION CONTROL EQUIPMENT SELECTION GUIDE - CHAPTER 11 pdf
... 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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