Phsicochemical Treatment of Hazardous Wastes - Chapter 4 docx

... 60 –55.5 20 -1 4. 6 61 –56.1 a 30 -2 5.7 65 49 35 33 70 40 .3 40 41 .4 80 – 24. 8 45 51.7 90 –11.5 45 .2 52.2 a 100 –0 .43 48 .6 52 b —— a Eutectic. b Compound, H 2 O 2 •2H 2 O45 (1966) 42 56. Source: ... 60°C 0 20 40 60 80 100 582.1 5 34. 5 503.1 46 0 .4 4 14. 1 362.7 563.2 526 .4 487 .4 446 .0 40 1.3 351.3 Source: Othmer, D.F., Hydrogen peroxide, in Encyclopedia of...

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... Theory 14. 3 Process Description 14. 4 Degradation of Organic Pollutants 14. 4.1 Phenol 14. 4.1.1 Comparison of Pseudo First-Order Kinetic Constant 14. 4.1.2 Cost Estimation 14. 4.2 para -Hydroxybenzoic ... Summary References Chapter 2 Environmental Hazardous Wastes 2.1 Introduction 2.2 Classification of Hazardous Pollutants 2.3 Sources of Hazardous Waste 2...

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... 1.70 1 .47 –2.00 Di-n-octyl phthalate 9. 54 9.20–9.87 Hexachlorocyclopentadiene 4. 52 4. 00–5. 04 Phenol 1 .47 1 .46 –1 .48 2 ,4, 6-Trichlorophenol 3. 24 Explosives Picric acid 1.69 1. 34 2.03 2 ,4, 6-Trinitrotoluene ... Br 2. 34 0 .4 0.2 0 .44 –0.17 NH 2 0. 04 –0.2 –0.7 0.02 –0.68 Cl 2.35 0 .4 0.2 0 .41 –0.15 OH 0.59 0.12 –0 .4 0.29 –0. 64 F 1.62 0.3 0.1 0 .43 –0. 34 OCH...

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... H 3 2- Me-SR Me-OOCR Me-lipids Me-humic-acid polymers “Lakes” “Gelhstoffe” Me-polysaccharides FeOOH Fe(OH) 3 Mn(IV) oxides Mn 2 O 13 ◊ 5H 2 O Na 2 Mn 14 O ... 1995. Charles, A.W., Ed., Hazardous Waste Management, McGraw-Hill, New York, 1989. Cheremisinoff, P.C., Ed., Encyclopedia of Environmental Control Technology, Vol. 1: Ther- mal Treatment...

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... pH = 3.5; ionic strength = 0.05 M as N 2 SO 4 . 4 4.1 4. 2 4. 3 4. 4 4. 5 4. 6 4. 7 4. 8 4. 9 5 2 2.5 3 3.5 4 -log (CP) -log(r 0 (M/S)) 2-MCP 2 , 4- DCP 2 ,4, 6-TCP average r o r= k * k k + k (S) s observed n i tt ( H O )( Fe ) ( Fe )( H O ) 2 2 2+ 2 2+ 3 2 2       observed pf bp k ... 10 4 M, respectively, the relative rate constants of 2-chlorophenol (2-CP) and 2...

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... E HOMO + 0. 344 1.008 [O 3 ] = 37 ppmv 0.972 k = 1.1 84 E HOMO + 0 .40 26 1.1 84 [O 3 ] = 37 ppmv 0.9 74 k = 1. 144 E HOMO + 0.388 1. 144 [O 3 ] = 37 ppmv 0.9726 Dataset: Benzene, toluene, o-xylene. E HOMO Kinetic ... Coefficient k = 2.5 644 E HOMO + 1.1988 2.5 644 48 0.916 k = 2.5921 E HOMO + 1.2 243 2.5921 60 0.89 04 k = 2.6153 E HOMO + 1.256 2.6153 100 0.9119 k = –0.0213s * + 0...

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... 1.6 4- Chlorophenol 2.39 0.227 2.6 2 .4 2 , 4- Dichlorophenol 3.16 0 .45 4 4. 4 4. 0 2,5-Dichlorophenol 3 .42 0.600 4. 3 4. 1 2,6-Dichlorophenol 2.8 0 .45 4 2.5 2.7 3 , 4- Dichlorophenol 3 .47 0.600 4. 5 4. 2 3,5-Dichlorophenol ... major by-product was found to be 2,3,5-trichloro-1 , 4- hydro- quinone. After 60 min of reaction, the toxicity of the intermediates was less than that...

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... existence of SCW around the TX69272_C11.fm Page 44 3 Tuesday, November 11, 2003 12: 24 PM © 20 04 by CRC Press LLC 44 0 Physicochemical Treatment of Hazardous Wastes because it belongs to the class of aromatic ... Ultrasonic-induced dehalo- genation and oxidation of 2-, 3-, and 4- chlorophenols in air-equilibrated aque- ous media: similarities with irradiated semiconduc...

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... ′′′ () × 1123 100Σ ′ [] kR 1 e aq – e aq – e aq – TX69272_C12.fm Page 47 7 Friday, November 14, 2003 2:10 PM © 20 04 by CRC Press LLC 47 4 Physicochemical Treatment of Hazardous Wastes TABLE 12 .4 Hydroxylated Reaction By-Products Detection Dose limit ... Page 47 4 Friday, November 14, 2003 2:10 PM © 20 04 by CRC Press LLC 46 6 Physicochemical Treatment of Hazardous Wast...

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... 4 pH 5 pH 6 pH 4 pH 5 pH 6 0 360 2 34 2 34 322 225 2 24 0 0 0 5 175 178 181 .4 448 263 266 51 24 22.5 10 79 152 128 5 14 282 298 78 35 45 15 35 102 93.6 544 3 14 322 90 56 60 20 15 58.5 64. 4 556 343 ... Chlorobenzene 69 .44 1 –9.388 –1.61 –1.57 ±0.03 –0. 04 2 1,2-Dichlorobenzene 46 .269 –9.295 –1 .43 –1 .43 ±0.03 0.00 3 1,3-Dichlorobenzene 42 .337 –9 .42 1 –1.36 –1 .42 ±0.03...

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