Biological removal of EDTA in conventional activated-sludge plants operated under alkaline conditions

Bioresource Technology

Volumn 59, Issue 2-3, 1997, Pages 151-155

  Van Ginkel, C G ^a   Vandenbroucke, K L ^a   Stroo, C A ^a  

^a AKZO NOBEL CENTRAL RESEARCH   (Netherlands)

Author keywords

Activated sludge; Biological oxidation; Closed bottle test; EDTA; Full scale plant; Nitrate formation; SCAS test

Indexed keywords

EDETIC ACID;

ACTIVATED SLUDGE; ARTICLE; BIOCHEMICAL OXYGEN DEMAND; BIODEGRADATION; PH; PRIORITY JOURNAL; TIME; WASTE WATER MANAGEMENT;

EFFLUENT TREATMENT; SEWAGE TREATMENT; WASTE WATER;

ACTIVATED SLUDGE PROCESS; BIOCHEMICAL OXYGEN DEMAND; BIODEGRADATION; BIOLOGICAL WATER TREATMENT; NITRATES; ORGANIC CHEMICALS; OXIDATION; WASTEWATER;

BIOLOGICAL OXIDATION; CLOSED BOTTLE TEST; ETHYLENEDIAMINETETRAACETIC ACID; FULL SCALE PLANT; NITRATE FORMATION; SEMICONTINUOUS ACTIVATED SLUDGE;

CHEMICALS REMOVAL (WATER TREATMENT);

EID: 0030616064     PISSN: 09608524     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0960-8524(96)00158-7     Document Type: Article

References (15)

1. Alder, A. G., Siegrist, H., Gujer, W. & Giger, W. (1990). Behaviour of NTA and EDTA in biological wastewater treatment. Water Res., 24, 733-742.
2. Gardiner, J. (1992). Complexation of trace metals by EDTA in natural waters. Water Res., 10, 507-514.
3. Ginkel, C. G. van & Stroo, C. A. (1992). Simple method to prolong the closed-bottle test for the determination of the inherent biodegradability. Ecotoxicol Environ. Saf., 24, 319-327.
4. Gschwind, N. (1992). Biologischer Abbau von EDTA in einem Modellabwasser. Wasser Abwasser, 10 (133), 546-549.
5. Hartley, A. M. & Asai, R. J. (1963). Spectrophotometric determination of nitrate with 2,6-xylenol reagent. Analyt. Chem., 35, 1207-1213.
6. Henneken, L., Nörtemann, B. & Hempel, D. C. (1995). Influence of physiological conditions on EDTA degradation. Appl. Microbiol Biotechnol., 44, 190-197.
7. Jirka, A. M. & Carter, M. J. (1975). Micro semi-automated analysis of surface and wastewaters for chemical oxygen demand. Anal. Chem., 47, 1397-1402.
8. Kari, F. G. & Giger, W. (1996). Specification and fate of ethylenediamine tetraacetate (EDTA) in municipal wastewater treatment. Water Res., 30, 122-134.
9. Madsen, E. L. & Alexander, M. (1985). Effects of chemical speciation on the mineralization of organic compounds by microorganisms. Appl. Environ. Microbiol., 50, 342-349.
10. Nörtemann, B. (1992). Total degradation of EDTA by mixed cultures and a bacterial isolate. Appl. Environ. Microbiol., 58, 671-676.
11. Organization for Economic Co-operation and Development (1992). Guidelines for testing of chemicals, degradation and accumulation, ready biodegradability, Guideline 301. Organization for Economic Co-operation and Development, Paris, France.
12. Organization for Economic Co-operation and Development (1981). Guidelines for testing chemicals, degradation and accumulation, inherent biodegradability; modified SCAS test Guideline 302 A. Organization for Economic Co-operation and Development, Paris, France.
13. Pavlostatis, S. A. & Morrison, D. (1994). Aerobic biodegradation potential of photoprocessing wastewaters. Water Environ. Res., 66, 211-219.
14. Saunamäki, R. (1995). Treatability of wastewaters from totally chlorine-free bleaching. Tappi J., 78, 185-192.
15. Wolf, K. & Gilbert, P. A. (1992). EDTA-ethylenediaminetetraacetic acid. In The Handbook of Environmental Chemistry, Volume 3, Part E Anthropogenic Compounds, Detergents, ed. N. de Oude. Springer, Berlin, pp. 243-259.