Chemical Degradation Methods for Wastes and Pollutants - Chapter 6 potx

... (Fig. 16) . Several cells were employed with Pt-coated Ti anodes to produce CO 2 and CO. In the case of benzene, one has: C 6 H 6 þ 12H 2 O ! 6CO 2 þ 30H þ þ 30e À ð34Þ C 6 H 6 þ 6H 2 O ! 6CO þ ... outlet for gases. (From Ref. 57.) Electrochemical Methods for Degradation 261 TM Copyright © 2003 by Marcel Dekker, Inc. All Rights Reserved. The electrochemical methods descri...

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... Fluorochlorocarbon Chlorinated solvent Motor oil Gray water Paint waste Lube oil Photographic solution Steady-state time (hr) 30 30 30 30 27 30 30 Waste feed rate (lb/hr) 102 107 101 1 36 1 36 102 105 Reactor temperature (C 63 8 63 8 64 8 64 8 64 8 65 7 65 8 Reactor pressure (psig) ... 441j–532jC, 269 –2 76 bar 11 9.9 168 2 46 bar, 425j 60 0jC 96 Source: Ref. 96 and references...

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... 0.00 16 f 89 a CEAT=2-chloro-4-ethylamine-1,3,5-s-triazine; b CIAT=2-chloro-4-isopropylamine-1,3,5-s-triazine; c CAAT=2-chloro-4 , 6- diamine-1,3,5-s-triazine. d In the presence of scavengers. e At pH 9 .6. f At ... 2 96) 102 4-Chlorophenol 165 0 (278) 0.25 (254 or 2 96) 102 4-Chlorophenolate 2400 (2 96) 0.25 102 Nitrobenzene 5 564 (254) 0.007 (254) 24 2 , 6- Dinitrotoluene 66 43 (254) 0.0...

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... degradation of phenyltrifluoromethylke- tone, a trifluoroacetic acid-forming pollutant, and octan-1-ol, a very hydro- phobic pollutant. Water Sci Technol 2001; 44: 263 –270. 1 26. Purifics Environment Technologies ... oxidation methods has been carried out for the removal of 2,4 , 6- trinitrotoluene and 1,3,5-trinitrobenzene from groundwater (1 26) . The methods used were powdered Ti...

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... dissolved metals, and en- zymes (e.g., peroxidase and catalase). Some of these peroxide decay pathways involve nonhydroxyl radical-forming mechanisms, and therefore are espe- cially detrimental ... conjunction Fenton and Modified Fenton Methods for Pollutant Degradation 179 TM Copyright © 2003 by Marcel Dekker, Inc. All Rights Reserved. 4 Fenton and Modified Fenton Methods...

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... was ap- plied to the destruction of MTBE [14,55], aromatic compounds [62 ], azo dyes [63 ], and natural organic matter [61 ]. A threefold increase in the pseudo-first-order rate constant for the degradation ... induced dehaloge- nation and oxidation of 2-, 3-, and 4-chlorophenol in air-equilibrated aqueous media. Similarities with irradiated semiconductor particles. J Phys Chem 1...

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... Trichloraethylen- und Perchloraethylenspuren in Trinkwasser. Z Wasser-Abwasser-Forsch 19 86; 19:1 86 203. 16. Gehringer P, Proksch E, Szinovatz W, Eschweiler H. Decomposition of tri- chlorethylene and tetrachloroethylene ... reaction products. For ex- ample, the production of oxalic acid, formic acid, and formaldehyde are predicted by Eqs. (33), (34), and (40), respectively, as chlor...

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... 166 204 193 100 86. 7 188 4 06 Post (ppm) <12.5 1370 66 .5 172 99.5 <12.5 26 64.5 150 Percent extracted 93.1 25.2 59.5 15.7 48.4 87.5 70 65 .7 63 2nd extracation (ppm) <12.5 2 86 14.9 38 .6 ... Energy, Office of Science and Technology, August 19 96 (Report No. DOE/EM-02 96, NTIS Order No. DOE/EM-02 96; available through EM Helpline: Tel.: + 1-8 0 0-7 3 6- 3 282). 2. Den...

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... Chemical Society 2000; 42(2) :66 6 66 8. 200. Schultz CA, Grundl TJ. pH dependence on r eduction rate of 4-Cl- nitrobenzene by Fe(II)/montorillonate systems. Environ Sci Technol 2000; 34: 364 1– 364 8. 201. ... Civil Engineers, 1995: 160 8– 162 1. 2 06. Hatfield K, Burris DR, Wolfe NL. Analytical model for heterogeneous reactions in mixed porous media. J Environ Eng 19 96; 122 :67 6 68 4....

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... investigate the effect of cellulolytic enzymes on MSW degradation [73]. Econase consists mainly of endo-1,4-h- D-glucanase, cell obiohydrolase, and exo-1,4-h-D-glucosidase in addition to a number of other ... For example, as shown in Fig. 8, solutions of 3- chlorophenol, 4-chlorophenol, 2 , 6- dichlorophenol, 3-methylphenol, and 4- methylphenol were substantially detoxified during...

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