ENVIRONMENTAL ENGINEER’S MATHEMATICS HANDBOOK - CHAPTER 2 docx

... quantity, then multiply by 100: (2. 1) For example, 22 percent (or 22 %) means 22 out of 100, or 22 /100. Dividing 22 by 100 results in the decimal 0 .22 : = 0 .22 • When using percentage in calculations ... psi ft 1 28 8 7×=. Pressure (psi) 0.433 5 ft=× = 2. 17 psi Head (ft) 2. 31 12. 2 psi=× 28 .2 ft 528 0 ft/mile 4 21 , 120 ft×= 21 , 120 ft 2. 31 ft/psi 9143 psi= L...

Ngày tải lên: 11/08/2014, 17:20

... 25 2 10 .2. 5 Calculation of Venturi Scrubber Efficiency 25 3 10 .2. 5.1 Johnstone Equation 25 3 10 .2. 5 .2 Infinite Throat Model 25 4 10 .2. 5.3 Cut Power Method 26 0 10 .2. 5.4 Contact Power Theory 26 1 10 .2. 5.5 ... Introduction 24 9 10.1.1 Wet Scrubbers 24 9 10 .2 Wet Scrubber Collection Mechanisms and Efficiency (Particulates) 25 0 10 .2. 1 Collection Efficiency 25 1 10 .2. 2 I...

Ngày tải lên: 11/08/2014, 17:20

... Course 427 , EPA Air Pollution Training Institute (APTI), EPA45 0 -2 -8 0-0 63, February 1980. %EA %O 0.5 %CO 0 .26 4 %N (%O 0.5 2 – 2 – 2 – = %%CO) ()100 L1681_book.fm Page 1 62 Tuesday, October 5, 20 04 ... 2 0.0314 314 Neon Ne 0.001818 18.18 Helium He 0.000 524 5 .24 Methane CH 4 0.00 02 2 Sulfur dioxide SO 2 0–0.0001 0–1 Hydrogen H 2 0.00005 0.5 Krypton Kr 0.0...

Ngày tải lên: 11/08/2014, 17:20

... diameter/4 2. 0/4 0.5 ft ppp pp − == =2. 75( 62. 4) 171.6 lb/ft 3 L1681_book.fm Page 22 7 Tuesday, October 5, 20 04 10:51 AM © 20 05 by CRC Press LLC 23 2 ENVIRONMENTAL ENGINEER’S MATHEMATICS HANDBOOK Calculate ... gr/ft 3 = η = 1exp(–wA/Q) A (2) (24 ) (20 ) 960 ft 2 == L1681_book.fm Page 23 1 Tuesday, October 5, 20 04 10:51 AM © 20 05 by CRC Press LLC 23 0 ENVIRONMENTAL...

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... ) i=0 n ii1 i i1 =++×++1/3[(510 460 510 460) (460 420 ++× +++ × + 460 420 ) ( 420 3 32 420 3 32) ((3 32 274 3 32 274) (27 4 20 1 27 4 ++ × +++ ××+++ × ++ 20 1) (20 1 140 20 1 140) (140 1110 140 110) (110 75 110 75)+ ... × = = 1/3[6 823 ] 22 74 acre-ft D L A) L = 2 π D 8.60 miles 0.7969 sq. mi L = 23 14. 8.60 mi 3.16 = 2. 72 D V A = 22 74 acre-ft 510 acres = 4.46 ft L1681_boo...

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... = 189 .2 b 10 = 22 .1 Q(0.59) (2. 38) (25 ) i2 = Q 35.1 cfs i2 = VQT QT qT qT id ic od oc 22 2 22 22 42 3 4 60=+−−       V 2 35 1 36 2 35 1 21 4 17 36 2 2 31 =+−−(.)(.) (.)()()( . ) ( 7 721 4 60 )( ... )       V 52, 764 ft 1 .21 acre-ft 2 3 == T 2( .59) (25 .0)(189 .2) (22 .1 21 /4) 2 d10 = − − 24 22 .1 T 3918.6 22 .1 d10 = − T 40.5 min. d10 = L1681_book.f...

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... is the 2H (g) O (g) 2 H O(g) 22 2 += K[HO]/[H][O] 2 2 2 2 2 = L1681_book.fm Page 79 Tuesday, October 5, 20 04 10:51 AM © 20 05 by CRC Press LLC 76 ENVIRONMENTAL ENGINEER’S MATHEMATICS HANDBOOK ... perfectly 1.15 10 (0.500) /[H ] ( 10 2 2 2 ×= 3 750.) [H O] 2. 000 0.500 2. 500 atm 2 =+= 1.15 10 2. 500 / (2[ O ]) [O ] 10 2 2 2 2 ×= [O ] 5.14 10 atm and [H ]...

Ngày tải lên: 11/08/2014, 17:20

... CTDMPLUS model. L1681_book.fm Page 91 Tuesday, October 5, 20 04 10:51 AM © 20 05 by CRC Press LLC 88 ENVIRONMENTAL ENGINEER’S MATHEMATICS HANDBOOK The problem — that of finding the greatest common ... them (e.g., L1681_book.fm Page 89 Tuesday, October 5, 20 04 10:51 AM © 20 05 by CRC Press LLC 90 ENVIRONMENTAL ENGINEER’S MATHEMATICS HANDBOOK traveling salesman pro...

Ngày tải lên: 11/08/2014, 17:20

... CO 32 2 4 4 2 3 + ↔↔+ HS Cl 2HCl S 22 + ↔ +°↓ HS 4Cl 4HO HSO 8HCl 22 224 ++ → + SO H O HSO 22 23 + → HOCl H SO H SO HCl 23 24 + → + NH Cl H SO H O NH HSO HCl 22 32 44 ++→ + Na SO Cl H O Na SO 2HCl 24 ... HCl HOCl 22 + ↔ + NH HOCl NH Cl H O 322 + ↔ + NH Cl HOCl NHCl H O 22 2 + ↔ + NHCl HOCl NCl H O 23 2 + ↔ + Ca(OCl) Na CO 2NaOC1 CaCO 22 3 3 + ↔ + Al (SO ) 3CaCO 3H O Al...

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... 26 40 = ++ 22 755 28 60 26 50 23 40 23 50 7 ++++ = 27 08 mg/L 7-Day Moving Ave. for Day 9 26 40 27 55 = ++ 22 860 26 50 23 40 23 50 28 88 7 ++++ = 26 40 mg/L 7-Day Moving Ave. for Day 10 27 55 28 60 = + +26 50 23 40 23 50 ... 1 23 30 2 3360 3 26 40 4 27 55 5 28 60 6 26 50 7 23 40 8 23 50 9 28 88 10 23 30 7-Day Moving Ave. for Day 7 23 30 3360 = + +22 640 27 55...

Ngày tải lên: 11/08/2014, 17:20