Use of Biofilter Units to Enhance the Effluent Quality of Anaerobically Pretreated Domestic Wastewater

Dirasat: Engineering Sciences, Vol. 33, No. 2, pp. 117-127, 2006

11 Pages Posted: 12 Dec 2010

See all articles by Abdelhalim Fuqaha

Abdelhalim Fuqaha

affiliation not provided to SSRN

Rashed M.Y. Al-Sa'ed

Birzeit University - Institute of Environmental and Water Studies

Date Written: December 10, 2006

Abstract

This study evaluates the use of a pilot plant biofilter system which is comprised of an Anaerobic Filter (AF) followed by a passive aerated Rapid Filter (RF), as a post-treatment option for Birzeit domestic wastewater. It reports on the biofilters efficacy for the removal of organic matter and nutrient removal during three different run phases. The biofilters were fed continuously with a variable daily flow rate (0.26-0.6 m3) to study the impact of different Organic Loading Rates (OLRs) and Hydraulic Retention Times (HRTs). During the run phases 1,2 and 3, the average removal efficiency of the biofilters (AF RF) for COD was 28, 65 and 30%, respectively. The complete treatment chain achieved a removal efficiency of 54, 51 and 43% for suspended solids at variable OLR and HRT. At higher HRTs, the RF average removal efficiency for NH4 reached only 8%. This research suggested an organic loading rate of 109 COD/ (m2 d) for the AF to achieve an effiuent quality by the RF suitable for restricted agricultural irrigation. Further large-scale studies should be locallv carried out to improve and validate the onsite treatment system used in this research paper.

Keywords: Anaerobic treatment, biofilter, Birzeit, domestic wastewater, nutrient removal, post-posttreatment

Suggested Citation

Fuqaha, Abdelhalim and Al-Sa'ed, Rashed M.Y., Use of Biofilter Units to Enhance the Effluent Quality of Anaerobically Pretreated Domestic Wastewater (December 10, 2006). Dirasat: Engineering Sciences, Vol. 33, No. 2, pp. 117-127, 2006, Available at SSRN: https://ssrn.com/abstract=1723588

Abdelhalim Fuqaha

affiliation not provided to SSRN ( email )

Rashed M.Y. Al-Sa'ed (Contact Author)

Birzeit University - Institute of Environmental and Water Studies ( email )

P.O. Box 14
Birzeit, West Bank PS
Palestine
97222982120 (Phone)
97222982120 (Fax)

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