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Saving phosphorus removal at the Henderson NV plant.
- Source :
-
Water science and technology : a journal of the International Association on Water Pollution Research [Water Sci Technol] 2012; Vol. 65 (7), pp. 1318-22. - Publication Year :
- 2012
-
Abstract
- While the mechanism of biological phosphorus removal (BPR) and the need for volatile fatty acids (VFA) have been well researched and documented to the point where it is now possible to design a plant with a very reliable phosphorus removal process using formal flow sheets, BPR is still observed in a number of plants that have no designated anaerobic zone, which was considered essential for phosphorus removal. Some examples are given in this paper. A theory is proposed and then applied to solve problems with a shortage of VFA in the influent of the Henderson NV plant. Mixed liquor was fermented in the anaerobic zone, which resulted in phosphorus removal to very low levels. This paper will discuss some of the background, and some case histories and applications, and present a simple postulation as to the mechanism and efforts at modelling the results.
- Subjects :
- Fermentation
Nevada
Phosphorus isolation & purification
Water Purification
Subjects
Details
- Language :
- English
- ISSN :
- 0273-1223
- Volume :
- 65
- Issue :
- 7
- Database :
- MEDLINE
- Journal :
- Water science and technology : a journal of the International Association on Water Pollution Research
- Publication Type :
- Academic Journal
- Accession number :
- 22437032
- Full Text :
- https://doi.org/10.2166/wst.2012.022