Chemical Degradation Methods for Wastes and Pollutants - Chapter 4 docx
Chemical Degradation Methods for Wastes and Pollutants - Chapter 4 docx
... (NAS Pensacola) using Fenton-based in situ chemical oxidation [91]. Trichloroethene (TCE) at 244 0 Ag/L and its degradation products cis-1,2-dichloroethene (40 3 Ag/L) and vinyl chloride (976 Ag/L) ... compound classes in reversed-phase liquid chromatography with h-cyclodextrin as a mo- bile phase modifier. J Chromatogr 1990; 49 9:395 41 0. Fenton and Modified Fenton Methods for...
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Chemical Degradation Methods for Wastes and Pollutants - Chapter 1 pps
... ( 240 –320) e 89 Parathion 0.0016 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 ... 0.13 (2 54 or 296) 102 4- Chlorophenol 1650 (278) 0.25 (2 54 or 296) 102 4- Chlorophenolate 240 0 (296) 0.25 102 Nitrobenzene 55 64 (2 54) 0.007 (2 54) 24...
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Chemical Degradation Methods for Wastes and Pollutants - Chapter 2 pps
... TiO 2 photocatalysis and/ or ultrasound: 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. 126. ... Technol 1999; 4: 47– 54. 48 . Yue PL. Modelling of kinetics and reactor for water purification by photo- oxidation. Chem Eng Sci 1993; 48 :1–11. 49 . Yue PL. Oxi...
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Chemical Degradation Methods for Wastes and Pollutants - Chapter 3 potx
... Parameters for Acetic Acid Oxidation Log AE a (kJ/mol) Conditions Reference 4. 91 106 40 0j–500jC, batch reactor 75 9.73 165 380j 47 0jC, batch reactor 96 18.0 231 40 0 44 5 bar, 338j 44 5jC96 13 .4 205 44 1j–532jC, ... 136 102 105 Reactor temperature (C 638 638 648 648 648 657 658 Reactor pressure (psig) 3250 343 0 343 0 343 0 343 0 343 0 343 0 Cooling water (gpm) 95 91 84 96 95 93 9...
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Chemical Degradation Methods for Wastes and Pollutants - Chapter 5 ppsx
... CCl 4 alone. The sonochemical degradation of many other chloromethanes and chloroethanes was reported by Bhatnagar and Cheung [49 ]. Aqueous so- lutions of CCl 2 H 2 , CCl 3 H, CCl 4 , 1,2-dichloroethane, ... dehaloge- nation and oxidation of 2-, 3-, and 4- chlorophenol in air-equilibrated aqueous media. Similarities with irradiated semiconductor particles. J Phys Chem 19 9...
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Chemical Degradation Methods for Wastes and Pollutants - Chapter 6 potx
... C 6 H 4 O 2 þ 3H þ þ 4e À þ NH 4 þ ð19Þ C 6 H 4 O 2 þ 6H 2 O ! C 4 H 4 O 4 þ 2CO 2 þ 12H þ þ 12e À ð20Þ C 4 H 4 O 4 þ 4H 2 O ! 4CO 2 þ 12H þ þ 12e À ð21Þ The treatment of 40 0 mL of 5.5 mM aniline ... dichlorodifluo- romethane (CFC 12) in aqueous solutions on Pd, Au, Cu, and Ag, chemi- Electrochemical Methods for Degradation 243 TM Copyright © 2003 by Marcel Dekker,...
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Chemical Degradation Methods for Wastes and Pollutants - Chapter 7 pdf
... reaction products. For ex- ample, the production of oxalic acid, formic acid, and formaldehyde are predicted by Eqs. (33), ( 34) , and (40 ), respectively, as chloroform is min- eralized by free ... hydrated electron, hydrogen atom, and hydroxyl radical reactions with benzene, 1,3-cyclohexadiene, 1 , 4- cyclo- hexadiene, and cyclohexene. J Phys Chem 1970; 74: 2878–28 84. 30. Schest...
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Chemical Degradation Methods for Wastes and Pollutants - Chapter 8 pot
... Formula Destruction efficiency (%) CFC-11 CCl 3 F 99.99 CFC-12 CCl 2 F 2 99.99 HCFC-22 CHCIF 2 99.99 HFC-32 CH 2 F 2 99.99 CFC-113 CCl 2 FCCIF 2 99.99 CFC-1 14 CClF 2 CClF 2 99.99 CFC-115 CClF 2 CF 3 99.99 HFC-134a CH 2 FCF 3 99.99 HFC-152a ... dechlorination Substrate No H 2 O 50 mol H 2 O a 4- Chlorotoluene 1.5 2.5 1,2-Dichlorobenzene 1 .4 2.5 1,2,3 , 4- Tetrachlorobenzene 1.3 2.2 2 ,4, 6...
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Chemical Degradation Methods for Wastes and Pollutants - Chapter 9 pot
... RM, Burris DR. Reductive transformation and sorption of cis- and trans-1,2-dichloroethene in a metallic iron–water system. Environ Toxicol Chem 1997; 16 :42 4 42 9. 1 74. Gotpagar JK, Grulke EA, Bhattacharayya ... 30:716–719. 1 14. Gui L, Gillham RW, Odziemkowski MS. Reduction of N-nitrosodimethyl- amine with granular iron and nickel-enhanced iron. 1. Pathways and kinetics. Environ Sc...
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Chemical Degradation Methods for Wastes and Pollutants - Chapter 10 (end) doc
... 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 ... 34: 1251–1260. 3. Fan C-Y, Krishnamurthy S. Enzymes for enhancing bioremediation of petroleum-contaminated soils: A brief review. J Air Waste Manag Assoc 1995; 45 :44 53 44 6...
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