Grey water treatment in a series anaerobic – Aerobic system for irrigation

L.N.A.H. Abu-Ghunmi, G. Zeeman, M. Fayyad, J.B. van Lier

Research output: Contribution to journalArticleAcademicpeer-review

44 Citations (Scopus)


This study aims at treatment of grey water for irrigation, focusing on a treatment technology that is robust, simple to operate and with minimum energy consumption. The result is an optimized system consisting of an anaerobic unit operated in upflow mode, with a 1 day operational cycle, a constant effluent flow rate and varying liquid volume. Subsequent aerobic step is equipped with mechanical aeration and the system is insulated for sustaining winter conditions. The COD removal achieved by the anaerobic and aerobic units in summer and winter are 45%, 39% and 53%, 64%, respectively. Sludge in the anaerobic and aerobic reactor has a concentration of 168 and 8 mg VS L-1, respectively. Stability of sludge in the anaerobic and aerobic reactors is 80% and 93%, respectively, based on COD. Aerobic effluent quality, except for pathogens, agrees with the proposed irrigation water quality guidelines for reclaimed water in Jordan.
Original languageEnglish
Pages (from-to)41-50
JournalBioresource Technology
Issue number1
Publication statusPublished - 2010


  • greywater treatment
  • reuse
  • reactor
  • technologies
  • quality


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