Forms, patterns and extractability of phosphorus retained in alum sludge used as substrate in laboratory-scale constructed wetland systems

Chemical Engineering Journal

Volumn 152, Issue 1, 2009, Pages 8-13

  Babatunde, A O ^a   Zhao, Y Q ^a  

^a UNIVERSITY COLLEGE DUBLIN   (Ireland)

Author keywords

Alum sludge; Constructed wetlands; Labile phosphorus; Phosphorus; Phosphorus extraction; Sequential fractionation

Indexed keywords

ALUM SLUDGE; AVAILABLE P; CONCENTRATION OF; CONSTRUCTED WETLANDS; DEPTH RANGE; DRINKING-WATER TREATMENT RESIDUALS; EXTRACTABILITY; INORGANIC FRACTIONS; LABILE PHOSPHORUS; LABORATORY SCALE; SEQUENTIAL FRACTIONATION; VERTICAL FLOW CONSTRUCTED WETLANDS;

ALUMINUM; CALCIUM; CHEMICAL WATER TREATMENT; CHEMICALS REMOVAL (WATER TREATMENT); PHOSPHORUS; POTABLE WATER; SULFATE MINERALS; WASTEWATER; WASTEWATER RECLAMATION; WASTEWATER TREATMENT;

WETLANDS;

EID: 67649509481     PISSN: 13858947     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.cej.2009.03.020     Document Type: Article

References (17)

1. Sakadevan K., and Bavor H.J. Phosphate adsorption characteristics of soils, slags and zeolite to be used as substrates in constructed wetland systems. Water Res. 32 2 (1998) 391-399
2. Johansson L. Blast furnace slag as phosphorus sorbents-column studies. Sci. Total Environ. 229 1 (1999) 89-97
3. Hylander L.D., and Siman G. Plant availability of phosphorus sorbed to potential wastewater treatment materials. Biol. Fertil. Soils 34 (2001) 42-48
4. Qualls R.G., and Richardson C.J. Forms of soil phosphorus along a nutrient enrichment gradient in the northern everglades. Soil Sci. 3 160 (1995) 183-198
5. Reddy K.R., Wang Y., DeBusk W.F., Fisher M.M., and Newman S. Forms of soil phosphorus in selected hydrologic units of the Florida everglades. Soil Sci. Soc. Am. J. 62 4 (1998) 1134-1147
6. Zhao Y.Q., Razali M., Babatunde A.O., Yang Y., and Bruen M. Reuse of aluminum-based water treatment sludge to immobilize a wide range of phosphorus contamination: equilibrium study with different isotherm models. Sep. Sci. Tech. 42 12 (2007) 2705-2721
7. A.O. Babatunde, The development of an alum sludge based tidal flow constructed wetland for optimizing phosphorus and organic matter removal from wastewaters, Ph.D. dissertation, University College Dublin, Ireland, 2007.
8. Zhao Y.Q., Babatunde A.O., Razali M., and Harty F. Use of dewatered alum sludge as a substrate in reed bed treatment systems for wastewater treatment. J. Environ. Sci. Health, Part A: Toxic/Hazard. Subst. Environ. Eng. 43 1 (2008) 105-110
9. Zhao Y.Q., Zhao X.H., and Babatunde A.O. Use of dewatered alum sludge as main substrate in treatment reed bed receiving agricultural wastewater: long-term trial. Bioresour. Technol. 100 (2009) 644-648
10. Yang Y., Zhao Y.Q., Babatunde A.O., Wang L., Ren Y.X., and Han Y. Characteristics and mechanisms of phosphate adsorption on dewatered alum sludge. Sep. Purif. Technol. 51 (2006) 193-200
11. Lee B.-H., and Scholz M. Application of the self-organizing map (SOM) to assess the heavy metal removal performance in experimental constructed wetlands. Water Res. 40 18 (2006) 3367-3374
12. Forbes M.G., Dickson K.R., Golden T.D., Hudak P., and Doyle R.D. Dissolved phosphorus retention of light-weight expanded shale and masonry sand used in subsurface flow treatment wetlands. Environ. Sci. Tech. 38 3 (2005) 892-898
13. Makris K.C., and O'Connor G.A. Beneficial utilization of drinking-water treatment residuals as contaminant-mitigating agents. Dev. Environ. Sci. 5 (2007) 609-655
14. APHA-AWWA-WEF, Standard Methods for the Examination of Water and Wastewater, 20th ed., American Public Health Association, Washington DC, 1998.
15. Ivanoff D.B., Reddy K.R., and Robinson S. Chemical fractionation of organic phosphorus in selected histosols. Soil Sci. 163 1 (1998) 36-45
16. Elliot H.A., O'Connor G.A., Lu P., and Brinton S. Influence of water treatment residuals on phosphorus solubility and leaching. Environ. Qual. 31 4 (2002) 1362-1369
17. Craft B.C., and Richardson C.J. Peat accretion and N, P and organic C accumulation in nutrient-enriched and unenriched everglades peatland. Ecol. Appl. 3 3 (1993) 446-458