AIR POLLUTION CONTROL TECHNOLOGY HANDBOOK - CHAPTER 10 doc

... phases. Contact may be also co-current or cross-flow. Columns for the removal of air contaminants are usually designed for counter-current or cross-flow operation. 10. 1.1 F LUID M ECHANICS ... of hazardous air pollution control equipment was published in 1986. A revised version of the handbook was published in June 1991. 1 Current information is furnished through the C...

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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 ... ever since. As evidence, the large coal-fired power plant at Cumberland City, TN, has two 100 0-ft stacks, and the Kingston and Widows Creek Plants which each have a 100 0-ft stack, topp...

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... 29 37 25 2 . min min . . - - -moles hr-ft 2 H G Ka H lb lb ft OG y OG = == 37 25 40 931 . . . -moles h-ft -moles h-ft 2 3 9588ch11 frame Page 155 Tuesday, September 11, 2001 10: 16 AM © 2002 by CRC ... of packing LLG lb H O lb air G lbs air L lbm Q lbm ft lb H O gal gpm L = ( ) × =×= = × = 2 2 2 1 6759 18 01 30 18 30 18 41 81 832 151 7 min min . min . . . -ft -ft -ft 2 2 2 9588ch...

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... 0.34 310 200 100 0 P 6/8 30 0.0092 0.34 446 200 100 0 P 8 /10 30 0.0064 0.34 645 200 100 0 G 4 /10 30 0.0 110 0.40 460 200 100 0 G 6/16 30 0.0062 0.40 720 200 100 0 G 4 /10 28 0. 0105 0.44 450 200 100 0 Silica ... be air dried and returned to the tower. 12.3.2 C ONTINUOUS C ONTACT , S TEADY -S TATE , M OVING -B ED A DSORBERS Countercurrent, continuous-c...

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... for concentrations in the range of 10, 000 ppmv or greater. With high concentrations of pollutant, condensers are frequently employed as preliminary air- pollution- control devices prior to other devices ... coefficient U o = 100 BTU/h-ft 2 - F, and the gas film heat transfer coefficient h g = 7 BTU/h-ft 2 - F. First calculate the heat exchange area from the log-mean...

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... Mass Mass Fraction 1 100 ,000 0.990000 1 10 5 0.009 10 1000 0.009900 100 0 10 6 0.090 100 10 0.000099 10 6 10 7 0.900 Total 101 , 010 1.0 1.11 × 10 7 1.0 TABLE ... microns, plus 10 particles with a diameter of 100 microns provides a size distribution con- sisting of one, 10, and 100 micron particles. There are 101 , 010 particles, o...

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... per unit time, so the air- to-cloth ratio also is called the superficial velocity. A high air- to-cloth ratio requires a smaller baghouse, which is less expensive. If the air- to-cloth ratio is too ... cleaning. A low air- to-cloth ratio provides a large collection area, so dust cake buildup and pressure drop increase at a lower rate than a high air- to-cloth ratio. When clean- on-demand...

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... engineer from all other engineers. As the field of air- pollution control engineering has evolved over the past several decades, it is obvious that the air- pollution control engineer must adopt the ideas and ... α = 1.0 or Air density at 500 F: Air specific heat: C - Water specific heat C - Air enthalpy at 1: H Air enthalpy at 2: H air P avg P avg 1 2 °= =° =°...

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... additive controls partic- ulates, Power Eng., 101 (06), 44, 1997. 14. Durham, M. D. et al., Full-scale experience with ADA-34 2nd generation flue gas conditioning for hot-side and cold-side ESPs, ... Fly Ash with Sulfur Trioxide and Ammonia, Envi- ronmental Protection Agency, EPA-600/ 2-7 5-0 15, TVA-F75 PRS-5, 1975. 10. Krigmont, H. V. and Coe, Jr., E. L., Experience with dual flue gas c...

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