Effect of reaction environments on the reactivity of PCB (2-chlorobiphenyl) over activated carbon impregnated with palladized iron

Journal of Hazardous Materials

Volumn 179, Issue 1-3, 2010, Pages 869-874

  Choi, Hyeok ^a   Al Abed, Souhail R ^b  

^a The University of Texas at Arlington   (United States)

^b U S ENVIRONMENTAL PROTECTION AGENCY   (United States)

Author keywords

Implementation issue; Palladized iron; Polychlorinated biphenyls; Reaction environments; Reactive activated carbon

Indexed keywords

2 CHLOROBIPHENYL; BASIC CONDITIONS; CARBONATE SPECIES; CONTAMINATED SITES; DECHLORINATION REACTION; DETRIMENTAL EFFECTS; IMPLEMENTATION ISSUE; INHIBITORY EFFECT; IRON NANOPARTICLES; LIQUID PHASE; MASS RATIO; METAL LEACHING; NATURAL ORGANIC MATTERS; NEUTRAL PH; PALLADIZED IRON; SITE-SPECIFIC; SUPERNATANTS;

ADSORPTION; BIOLOGICAL MATERIALS; CONTAMINATION; DECHLORINATION; LEACHING; POLYCHLORINATED BIPHENYLS; REACTION RATES;

ACTIVATED CARBON;

2 CHLOROBIPHENYL; ACTIVATED CARBON; ANION; IRON; ORGANIC MATTER; POLYCHLORINATED BIPHENYL; SULFITE; UNCLASSIFIED DRUG;

ACTIVATED CARBON; ADSORPTION; DECHLORINATION; IRON; ORGANIC MATTER; PARTITIONING; PCB; REACTION KINETICS; REACTION RATE;

ADSORPTION; ANALYTIC METHOD; ARTICLE; DECHLORINATION; ENVIRONMENT; LIQUID; PH; SEDIMENT; SYNTHESIS;

ANIONS; BIPHENYL COMPOUNDS; CHARCOAL; FRESH WATER; HYDROGEN-ION CONCENTRATION; IRON; KINETICS; ORGANIC CHEMICALS; PALLADIUM; SEAWATER; SOLUTIONS; SULFATES; WATER POLLUTANTS, CHEMICAL;

EID: 77952890019     PISSN: 03043894     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jhazmat.2010.03.085     Document Type: Article

References (26)

1. Dimou K.N., Su T.-L., Hires R.I., Miskewitz R. Distribution of polychlorinated biphenyls in the Newark Bay Estuary. J. Hazard. Mater. 2006, 136:103-110.
2. Kornel R.C. PCB destruction-a novel dehalogenation reagent. J. Hazard. Mater. 1985, 12:161-176.
3. Agarwal S., Al-Abed S.R., Dionysiou D.D. In situ technologies for reclamation of PCB-contaminated sediments: current challenges and research thrust areas. J. Environ. Eng. 2007, 133:1075-1078.
4. Choi H., Al-Abed S.R., Agarwal S., Dionysiou D.D. Synthesis of reactive nano Fe/Pd bimetallic system-impregnated activated carbon for the simultaneous adsorption and dechlorination of PCBs. Chem. Mater. 2008, 20:3649-3655.
5. Choi H., Agarwal S., Al-Abed S.R. Adsorption and simultaneous dechlorination of PCBs on GAC/Fe/Pd: mechanistic aspects and reactive capping barrier concept. Environ. Sci. Technol. 2009, 43:488-493.
6. Choi H., Al-Abed S.R., Agarwal S. Effects of ageing and oxidation of palladized iron embedded in activated carbon on the dechlorination of 2-chlorobiphenyl. Environ. Sci. Technol. 2009, 43:4137-4142.
7. Lien H.L., Zhang W.X. Nanoscale Pd/Fe bimetallic particles: catalytic effects of palladium on hydrodechlorination. Appl. Catal. B 2007, 77:110-116.
8. Agarwal S., Al-Abed S.R., Dionysiou D.D. Enhanced corrosion-based Pd/Mg bimetallic systems for dechlorination of PCBs. Environ. Sci. Technol. 2007, 41:3722-3727.
9. Choi H., Al-Abed S.R., Agarwal S. Catalytic role of palladium and relative reactivity of substituted chlorines during trapping and treatment of PCBs on reactive activated carbon. Environ. Sci. Technol. 2009, 43:7510-7515.
10. Lubick N. Cap and degrade: a reactive nanomaterial barrier also serves as a cleanup tool. Environ. Sci. Technol. 2009, 43:235.
11. 2 evolution and TCE dechlorination. Environ. Sci. Technol. 2006, 40:6085-6090.
12. 2O systems revisited. The importance of co-precipitation. Open Environ. J. 2007, 1:9-13.
13. Ma H., Cheng X., Li G., Chen S., Quan Z., Zhao S., Niu L. The influence of hydrogen sulfide on corrosion of iron under different conditions. Corros. Sci. 2000, 42:1669-1683.
14. Fang Y., Al-Abed S.R. Dechlorination kinetics of monochlorophenyls by Fe/Pd: effects of solvent, temperature, and PCB concentration. Appl. Catal. B 2008, 78:371-380.
15. Furukawa Y., Kim J.-W., Watkins J., Wilkin R.T. Formation of ferrihydrite and associated iron corrosion products in permeable reactive barriers of zero-valent iron. Environ. Sci. Technol. 2002, 36:5469-5475.
16. Lackovic J.A., Nikolaidis N.P., Dobbs G.M. Inorganic arsenic removal by zero-valent iron. Environ. Eng. Sci. 2000, 17:29-39.
17. Choi H., Al-Abed S.R. PCB congener sorption to carbonaceous sediment components: macroscopic comparison and characterization of sorption kinetics and mechanism. J. Hazard. Mater. 2009, 165:860-866.
18. Dunnivant F.M., Schwarzenbach R.P., Macalady D.L. Reduction of substituted nitrobenzenes in aqueous-solutions containing natural organic-matter. Environ. Sci. Technol. 1992, 26:2133-2141.
19. Dong R.-A., Lai Y.-J. Dechlorination of tetrachloroethylene by palladized iron in the presence of humic acid. Water Res. 2005, 39:2309-2318.
20. Lowry G.V., Reinhard M. Pd-catalyzed TCE dechlorination in groundwater: solute effects, biological control, and oxidative catalyst regeneration. Environ. Sci. Technol. 2000, 34:3217-3223.
21. Piazza S., Sperandeo M., Sunseri C., Quarto D. Photoelectrochemcial investigation of passive layers formed on Fe in different electrolytic solutions. Corros. Sci. 2004, 46:831-851.
22. Kramer H., Levy M., Warshawsky A. Hydrogen storage by the bicarbonate/formate reaction: studies on the activity of Pd catalysts. Int. J. Hydrogen Energy 1995, 20:229-233.
23. Fanning J. The chemical reduction of nitrate in aqueous solution. Coord. Chem. Rev. 2000, 199:159-179.
24. 2 in the presence of carbonate ions: structure of carbonate green rust. Hyperfine Interact. 2005, 90:395-400.
25. Schuth C., Disser S., Schuth F., Reinhard M. Tailoring catalysts for hydrodechlorinating chlorinated hydrocarbon contaminants in groundwater. Appl. Catal. B 2000, 28:147-152.
26. Fang Y., Al-Abed S.R. Correlation of 2-chlorophenyl dechlorination by Fe/Pd with iron corrosion at different pH. Environ. Sci. Technol. 2008, 42:6942-6948.