The pH as a key parameter in the choice between coagulation and electrocoagulation for the treatment of wastewaters

Journal of Hazardous Materials

Volumn 163, Issue 1, 2009, Pages 158-164

  Cañizares, Pablo ^a   Jiménez, Carlos ^a   Martínez, Fabiola ^a   Rodrigo, Manuel A ^a   Sáez, Cristina ^a  

^a UNIVERSITY OF CASTILLA LA MANCHA   (Spain)

Author keywords

Aluminum; Coagulation; Door manufacturing wastes; Electrocoagulation; O W emulsions

Indexed keywords

COAGULATION PROCESSES; DOSING TECHNOLOGIES; ELECTROCOAGULATION; KEY PARAMETERS; MANUFACTURING FACTORIES; O/W EMULSIONS; SYNTHETIC OILS; WATER EMULSIONS;

ALUMINA; ALUMINUM; CHEMICAL WATER TREATMENT; DOORS; EFFLUENTS; EMULSIFICATION; EMULSIONS; LIGHT METALS; WASTE TREATMENT; WASTEWATER; WASTEWATER TREATMENT;

COAGULATION;

ALUMINUM; COAGULATION; EMULSION; PH; SPECIATION (CHEMISTRY); WASTEWATER;

ALUMINUM; EMULSIONS; HYDROGEN-ION CONCENTRATION; OILS; WASTE DISPOSAL, FLUID; WATER;

EID: 58249144005     PISSN: 03043894     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jhazmat.2008.06.073     Document Type: Article

References (23)

1. Masion A., Vilgé-Ritter A., Rose J., Stone W.E.E., Teppen B.J., Rybacki D., and Bottero J.Y. Coagulation-flocculation of natural organic matter with Al salts: speciation and structure of the aggregates. Environ. Sci. Technol. 34 (2000) 3242-3246
2. Vilgé-Ritter A., Masion A., Boulangé T., Rybacki D., and Bottero J.Y. Removal of natural organic matter by coagulation-flocculation: a pyrolysis-GC-MS study. Environ. Sci. Technol. 33 (1999) 3027-3032
3. Franceschi M., Girou A., Carro-Diaz A.M., Maurette M.T., and Puech-Costes E. Optimisation of the coagulation-flocculation process of raw water by optimal design method. Water Res. 36 (2002) 3561-3572
4. Georgiou D., Aivazidis A., Hatiras J., and Gimouhopoulos K. Treatment of cotton textile wastewater using lime and ferrous sulfate. Water Res. 37 (2003) 2248-2250
5. Al-Malack M.H., Abuzaid N.S., and El-Mubarak A.H. Coagulation of polymeric wastewater discharged by a chemical factory. Water Res. 33 (1999) 521-529
6. Torres L.G., Jaimes J., Mijaylova P., Ramírez E., and Jiménez B. Coagulation-flocculation pretreatment of high-load chemical-pharmaceutical industry wastewater: mixing aspects. Water Sci. Technol. 36 (1997) 255-262
7. P. Cañizares, F. Martínez, C. Sáez, M.A. Rodrigo, Treatment of actual metalworking wastewaters by coagulation combined with electrochemical oxidation, Int. J. Environ. Pollut., in press.
8. Hafiz A.A., El-Din H.M., and Badawi A.M. Chemical destabilization of oil-in-water emulsion by novel polymerized diethanolamines. J. Colloid Interf. Sci. 284 (2005) 167-175
9. Cañizares P., Jiménez C., Martínez F., Sáez C., and Rodrigo M.A. Study of the electrocoagulation process using aluminum and iron electrodes. Ind. Eng. Chem. Res. 46 (2007) 6189-6195
10. Chen G., Chen X., and Yue P.L. Electrocoagulation and electroflotation of restaurant wastewater. J. Environ. Eng. 126 9 (2000) 858-863
11. Cañizares P., Martínez F., Jiménez C., Lobato J., and Rodrigo M.A. Coagulation and electrocoagulation of wastes polluted with colloids. Sep. Sci. Technol. 42 (2007) 1-19
12. Cañizares P., Martínez F., Jiménez C., Sáez C., and Rodrigo M.A. Coagulation and electrocoagulation of oil-in-water emulsions. J. Hazard. Mater. 151 (2008) 44-51
13. Cañizares P., Martínez F., Jiménez C., Lobato J., and Rodrigo M.A. Coagulation and electrocoagulation of wastes polluted with dyes. Environ. Sci. Technol. 40 (2006) 6418-6424
14. Bayramoglu M., Eyvaz M., and Kobya M. Treatment of the textile wastewater by electrocoagulation. Economical evaluation. Chem. Eng. J. 128 (2007) 155-161
15. Kobya M., Bayramoglu M., and Eyvaz M. Techno-economical evaluation of electrocoagulation for the textile wastewater using different electrode connections. J. Hazard. Mater. 148 (2007) 311-318
16. Gregory J., and Duan J. Hydrolyzing metal salts as coagulants. Pure Appl. Chem. 73 (2001) 2017-2026
17. Duan J., and Gregory J. Coagulation by hydrolysing metal salts. Adv. Colloid Interf. Sci. 100 (2003) 475-502
18. Cañizares P., Martínez F., Jiménez C., Lobato J., and Rodrigo M.A. Comparison of the aluminum speciation in chemical and electrochemical dosing processes. Ind. Eng. Chem. Res. 45 (2006) 8749-8756
19. Bottero J.Y., Cases J.M., Fiessinger F., and Poirier J.E. Studies of hydrolyzed aluminum chloride solutions. 1. Nature of aluminum species and composition of aqueous solutions. J. Phys. Chem. 84 (1980) 2933-2939
20. Bottero J.Y., Tchoubar D., Caw J.M., and Fiessinger F. Investigation of the hydrolysis of aqueous solutions of aluminum chloride. 2. Nature and structure by small-angle X-ray scattering. J. Phys. Chem. 86 (1982) 3667-3673
21. APHA-AWWA-WPCF. In: Clesceri L.S., et al. (Ed). Standard Methods for the Examination of Water and Wastewater. 17th ed. (1989), American Public Health Association, Washington, DC
22. Solomentseva I.M., Barany S., and Gregory J. Surface properties and aggregation of basic aluminium sulphate hydrolysis products. 1. Electrokinetic potential and hydration of BAS hydrolysis product particles. Colloids Surf. A 230 (2004) 117-129
23. Cañizares P., Carmona M., Lobato J., Martínez F., and Rodrigo M.A. Electrodissolution of aluminium electrodes in electrocoagulation processes. Ind. Eng. Chem. Res. 44 (2005) 4178-4185