Selective nitrate removal by coupling electrodialysis and a bioreactor

Studies have been conducted on a groundwater containing 850–1100 mg/l of total dissolved solids (TDS) and 80 mg/l of nitrate to remove nitrate by coupling electrodialysis and bioreactor. The performances of the pilot plant during the period of the tests (more than one year) were proved. The optimisa...

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Bibliographic Details
Published in:Desalination 2003-02, Vol.153 (1), p.389-397
Main Authors: Elmidaoui, A., Menkouchi Sahli, M.A., Tahaikt, M., Chay, L., Taky, M., Elmghari, M., Hafsi, M.
Format: Article
Language:English
Subjects:
Applied sciences
Biological and medical sciences
Biological treatment of waters
Bioreactor
Bioreactors
Biotechnology
Diffusion
Drinking water and swimming-pool water. Desalination
electrodialysis
Electrodialysis performances
Environment and pollution
Exact sciences and technology
Fundamental and applied biological sciences. Psychology
Industrial applications and implications. Economical aspects
Pollution
Recovery rates
Scale
Water treatment and pollution
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Summary:Studies have been conducted on a groundwater containing 850–1100 mg/l of total dissolved solids (TDS) and 80 mg/l of nitrate to remove nitrate by coupling electrodialysis and bioreactor. The performances of the pilot plant during the period of the tests (more than one year) were proved. The optimisation of recovery rates was carried out by the study of the influence on the water recoveries of the addition of acid and antiscalant to the brine stream. The moderated performances of the bioreactor were shown.
ISSN:0011-9164
1873-4464
DOI:10.1016/S0011-9164(02)01133-5