AIR POLLUTION CONTROL TECHNOLOGY HANDBOOK - CHAPTER 22 pps

... with 0.012-in-dia. Fiber - any depth. (Experimental data and mathe- matical model.) 3b. Same as 3a except 0.004-in dia. fibers. 3c. Same as 3a except 0.002-in dia. Fibers. 4. Gas-atomized spray. ... spray towers. Figure 22. 18 Cross-current flow spray towers. Figure 22. 19 Sieve plate column. Figure 22. 20 Impingement plate column. Figure 22. 21 Packed columns. Figure 22. 22 Hydroph...

Ngày tải lên: 11/08/2014, 06:22

... 1970 amendments established a program of technology- based NSPS so that any new source of air pollution would be required to apply effective air pollution controls. New Source Performance Standards ... were not required to retrofit pollution controls. Existing sources that are modified are considered new sources, so old plants have to upgrade their air- pollution control equipme...

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... general continuous air- quality mon- itor. The device contains: 1. Primary air- moving device, usually a vacuum pump, to pull the air sample through the instrument 2. Flow -control and -monitoring device, ... for which concentrations are desired, i.e., 15-min, 1-h, 3-h, 8-h, 12-h, or 24-h time intervals. It should be consistent with the averaging times specified by air quality standards...

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... THER C OST -E STIMATING R ESOURCES The OAQPS Control Cost Manual does not discuss all air- pollution control devices, nor does it cover large, complex air- pollution control systems ... Exam- ples include the Marshall & Swift Equipment Cost Index and the Chemical Engi- neering Plant Cost Index. Specific to the air- pollution control industry is the Vatavuk...

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... Technologies for Haz- ardous Air Pollutants , EPA-62 5-6 -9 1-0 14, Research Triangle Park, NC, 1991. 5. Pitts, D. M., Regenerative thermal oxidizers: structured packing improves perfor- mance, Chem. Eng. ... Pressure-Relieving and Depressuring Sys- tems, API Recommended Practice 521 , 4th ed., Washington, D.C., 1997. 4. U.S. Environmental Protection Agency, Handbook — Con...

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... achieve early election compliance on a 372-MWe coal-fired tangential boiler, presented at EPRI-DOE-EPA Combined Utility Air Pollutant Control Symp., Wash- ington, D.C., August 25–29, 1997. 8. Wendt, ... and performance issues of neural network control applications for coal-fired electric utility boilers, presented at EPRI-DOE-EPA Combined Utility Air Pollutant Control Symp., Washingto...

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... very important part of air- pollution control. Hoods and the air exhausted must be adequate to prevent escape of con- taminants to the atmosphere. On the other hand, the air exhausted through a ... ductwork ends in an air- pollution- control apparatus. The pressure is 20 in. of H 2 O at this end of the ductwork due to the pressure drop through the control apparatus. The air is...

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... Technologies Handbook Chang Ho Oh The MEMS Handbook Mohamed Gad-el-Hak Air Pollution Control Technology Handbook Karl B. Schnelle, Jr. and Charles A. Brown Forthcoming Titles Biomedical Technology ... in air pollution effects and control. The following brief summary leads up to the 1970 Amendments to the Clean Air Act, beginning with: The Air Pollution Control A...

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... of air pollution. Often the selection of control technology does not depend on whether a PSD review is triggered because the same control technology will be required in any case. BACT is a technology- based ... sources of hazardous air pollutants may be regulated by the Maximum Achievable Control Technology (MACT) standards for hazardous air pollutants as discussed in the...

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... Control- technology evaluation • New-source review A current frequent use for atmospheric-diffusion models is in air- quality impact analysis. The models serve as the heart of the plan for new-source ... dispersion. AERMOD, along with AERMET, a meteorological data pre- processor, and AERMAP, a terrain data preprocessor, are state-of-the-art air quality models destined to become EPA’s re...

Ngày tải lên: 11/08/2014, 06:22